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174
vendor/github.com/spf13/afero/LICENSE.txt generated vendored Normal file
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
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including but not limited to software source code, documentation
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not limited to compiled object code, generated documentation,
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
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incidental, or consequential damages of any character arising as a
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defend, and hold each Contributor harmless for any liability
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vendor/github.com/spf13/afero/afero.go generated vendored Normal file
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// Copyright © 2014 Steve Francia <spf@spf13.com>.
// Copyright 2013 tsuru authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package afero provides types and methods for interacting with the filesystem,
// as an abstraction layer.
// Afero also provides a few implementations that are mostly interoperable. One that
// uses the operating system filesystem, one that uses memory to store files
// (cross platform) and an interface that should be implemented if you want to
// provide your own filesystem.
package afero
import (
"errors"
"io"
"os"
"time"
)
type Afero struct {
Fs
}
// File represents a file in the filesystem.
type File interface {
io.Closer
io.Reader
io.ReaderAt
io.Seeker
io.Writer
io.WriterAt
Name() string
Readdir(count int) ([]os.FileInfo, error)
Readdirnames(n int) ([]string, error)
Stat() (os.FileInfo, error)
Sync() error
Truncate(size int64) error
WriteString(s string) (ret int, err error)
}
// Fs is the filesystem interface.
//
// Any simulated or real filesystem should implement this interface.
type Fs interface {
// Create creates a file in the filesystem, returning the file and an
// error, if any happens.
Create(name string) (File, error)
// Mkdir creates a directory in the filesystem, return an error if any
// happens.
Mkdir(name string, perm os.FileMode) error
// MkdirAll creates a directory path and all parents that does not exist
// yet.
MkdirAll(path string, perm os.FileMode) error
// Open opens a file, returning it or an error, if any happens.
Open(name string) (File, error)
// OpenFile opens a file using the given flags and the given mode.
OpenFile(name string, flag int, perm os.FileMode) (File, error)
// Remove removes a file identified by name, returning an error, if any
// happens.
Remove(name string) error
// RemoveAll removes a directory path and any children it contains. It
// does not fail if the path does not exist (return nil).
RemoveAll(path string) error
// Rename renames a file.
Rename(oldname, newname string) error
// Stat returns a FileInfo describing the named file, or an error, if any
// happens.
Stat(name string) (os.FileInfo, error)
// The name of this FileSystem
Name() string
//Chmod changes the mode of the named file to mode.
Chmod(name string, mode os.FileMode) error
//Chtimes changes the access and modification times of the named file
Chtimes(name string, atime time.Time, mtime time.Time) error
}
var (
ErrFileClosed = errors.New("File is closed")
ErrOutOfRange = errors.New("Out of range")
ErrTooLarge = errors.New("Too large")
ErrFileNotFound = os.ErrNotExist
ErrFileExists = os.ErrExist
ErrDestinationExists = os.ErrExist
)

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package afero
import (
"errors"
"os"
"path/filepath"
"runtime"
"strings"
"time"
)
// The BasePathFs restricts all operations to a given path within an Fs.
// The given file name to the operations on this Fs will be prepended with
// the base path before calling the base Fs.
// Any file name (after filepath.Clean()) outside this base path will be
// treated as non existing file.
//
// Note that it does not clean the error messages on return, so you may
// reveal the real path on errors.
type BasePathFs struct {
source Fs
path string
}
func NewBasePathFs(source Fs, path string) Fs {
return &BasePathFs{source: source, path: path}
}
// on a file outside the base path it returns the given file name and an error,
// else the given file with the base path prepended
func (b *BasePathFs) RealPath(name string) (path string, err error) {
if err := validateBasePathName(name); err != nil {
return "", err
}
bpath := filepath.Clean(b.path)
path = filepath.Clean(filepath.Join(bpath, name))
if !strings.HasPrefix(path, bpath) {
return name, os.ErrNotExist
}
return path, nil
}
func validateBasePathName(name string) error {
if runtime.GOOS != "windows" {
// Not much to do here;
// the virtual file paths all look absolute on *nix.
return nil
}
// On Windows a common mistake would be to provide an absolute OS path
// We could strip out the base part, but that would not be very portable.
if filepath.IsAbs(name) {
return &os.PathError{Op: "realPath", Path: name, Err: errors.New("got a real OS path instead of a virtual")}
}
return nil
}
func (b *BasePathFs) Chtimes(name string, atime, mtime time.Time) (err error) {
if name, err = b.RealPath(name); err != nil {
return &os.PathError{Op: "chtimes", Path: name, Err: err}
}
return b.source.Chtimes(name, atime, mtime)
}
func (b *BasePathFs) Chmod(name string, mode os.FileMode) (err error) {
if name, err = b.RealPath(name); err != nil {
return &os.PathError{Op: "chmod", Path: name, Err: err}
}
return b.source.Chmod(name, mode)
}
func (b *BasePathFs) Name() string {
return "BasePathFs"
}
func (b *BasePathFs) Stat(name string) (fi os.FileInfo, err error) {
if name, err = b.RealPath(name); err != nil {
return nil, &os.PathError{Op: "stat", Path: name, Err: err}
}
return b.source.Stat(name)
}
func (b *BasePathFs) Rename(oldname, newname string) (err error) {
if oldname, err = b.RealPath(oldname); err != nil {
return &os.PathError{Op: "rename", Path: oldname, Err: err}
}
if newname, err = b.RealPath(newname); err != nil {
return &os.PathError{Op: "rename", Path: newname, Err: err}
}
return b.source.Rename(oldname, newname)
}
func (b *BasePathFs) RemoveAll(name string) (err error) {
if name, err = b.RealPath(name); err != nil {
return &os.PathError{Op: "remove_all", Path: name, Err: err}
}
return b.source.RemoveAll(name)
}
func (b *BasePathFs) Remove(name string) (err error) {
if name, err = b.RealPath(name); err != nil {
return &os.PathError{Op: "remove", Path: name, Err: err}
}
return b.source.Remove(name)
}
func (b *BasePathFs) OpenFile(name string, flag int, mode os.FileMode) (f File, err error) {
if name, err = b.RealPath(name); err != nil {
return nil, &os.PathError{Op: "openfile", Path: name, Err: err}
}
return b.source.OpenFile(name, flag, mode)
}
func (b *BasePathFs) Open(name string) (f File, err error) {
if name, err = b.RealPath(name); err != nil {
return nil, &os.PathError{Op: "open", Path: name, Err: err}
}
return b.source.Open(name)
}
func (b *BasePathFs) Mkdir(name string, mode os.FileMode) (err error) {
if name, err = b.RealPath(name); err != nil {
return &os.PathError{Op: "mkdir", Path: name, Err: err}
}
return b.source.Mkdir(name, mode)
}
func (b *BasePathFs) MkdirAll(name string, mode os.FileMode) (err error) {
if name, err = b.RealPath(name); err != nil {
return &os.PathError{Op: "mkdir", Path: name, Err: err}
}
return b.source.MkdirAll(name, mode)
}
func (b *BasePathFs) Create(name string) (f File, err error) {
if name, err = b.RealPath(name); err != nil {
return nil, &os.PathError{Op: "create", Path: name, Err: err}
}
return b.source.Create(name)
}
// vim: ts=4 sw=4 noexpandtab nolist syn=go

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vendor/github.com/spf13/afero/cacheOnReadFs.go generated vendored Normal file
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package afero
import (
"os"
"syscall"
"time"
)
// If the cache duration is 0, cache time will be unlimited, i.e. once
// a file is in the layer, the base will never be read again for this file.
//
// For cache times greater than 0, the modification time of a file is
// checked. Note that a lot of file system implementations only allow a
// resolution of a second for timestamps... or as the godoc for os.Chtimes()
// states: "The underlying filesystem may truncate or round the values to a
// less precise time unit."
//
// This caching union will forward all write calls also to the base file
// system first. To prevent writing to the base Fs, wrap it in a read-only
// filter - Note: this will also make the overlay read-only, for writing files
// in the overlay, use the overlay Fs directly, not via the union Fs.
type CacheOnReadFs struct {
base Fs
layer Fs
cacheTime time.Duration
}
func NewCacheOnReadFs(base Fs, layer Fs, cacheTime time.Duration) Fs {
return &CacheOnReadFs{base: base, layer: layer, cacheTime: cacheTime}
}
type cacheState int
const (
// not present in the overlay, unknown if it exists in the base:
cacheMiss cacheState = iota
// present in the overlay and in base, base file is newer:
cacheStale
// present in the overlay - with cache time == 0 it may exist in the base,
// with cacheTime > 0 it exists in the base and is same age or newer in the
// overlay
cacheHit
// happens if someone writes directly to the overlay without
// going through this union
cacheLocal
)
func (u *CacheOnReadFs) cacheStatus(name string) (state cacheState, fi os.FileInfo, err error) {
var lfi, bfi os.FileInfo
lfi, err = u.layer.Stat(name)
if err == nil {
if u.cacheTime == 0 {
return cacheHit, lfi, nil
}
if lfi.ModTime().Add(u.cacheTime).Before(time.Now()) {
bfi, err = u.base.Stat(name)
if err != nil {
return cacheLocal, lfi, nil
}
if bfi.ModTime().After(lfi.ModTime()) {
return cacheStale, bfi, nil
}
}
return cacheHit, lfi, nil
}
if err == syscall.ENOENT || os.IsNotExist(err) {
return cacheMiss, nil, nil
}
return cacheMiss, nil, err
}
func (u *CacheOnReadFs) copyToLayer(name string) error {
return copyToLayer(u.base, u.layer, name)
}
func (u *CacheOnReadFs) Chtimes(name string, atime, mtime time.Time) error {
st, _, err := u.cacheStatus(name)
if err != nil {
return err
}
switch st {
case cacheLocal:
case cacheHit:
err = u.base.Chtimes(name, atime, mtime)
case cacheStale, cacheMiss:
if err := u.copyToLayer(name); err != nil {
return err
}
err = u.base.Chtimes(name, atime, mtime)
}
if err != nil {
return err
}
return u.layer.Chtimes(name, atime, mtime)
}
func (u *CacheOnReadFs) Chmod(name string, mode os.FileMode) error {
st, _, err := u.cacheStatus(name)
if err != nil {
return err
}
switch st {
case cacheLocal:
case cacheHit:
err = u.base.Chmod(name, mode)
case cacheStale, cacheMiss:
if err := u.copyToLayer(name); err != nil {
return err
}
err = u.base.Chmod(name, mode)
}
if err != nil {
return err
}
return u.layer.Chmod(name, mode)
}
func (u *CacheOnReadFs) Stat(name string) (os.FileInfo, error) {
st, fi, err := u.cacheStatus(name)
if err != nil {
return nil, err
}
switch st {
case cacheMiss:
return u.base.Stat(name)
default: // cacheStale has base, cacheHit and cacheLocal the layer os.FileInfo
return fi, nil
}
}
func (u *CacheOnReadFs) Rename(oldname, newname string) error {
st, _, err := u.cacheStatus(oldname)
if err != nil {
return err
}
switch st {
case cacheLocal:
case cacheHit:
err = u.base.Rename(oldname, newname)
case cacheStale, cacheMiss:
if err := u.copyToLayer(oldname); err != nil {
return err
}
err = u.base.Rename(oldname, newname)
}
if err != nil {
return err
}
return u.layer.Rename(oldname, newname)
}
func (u *CacheOnReadFs) Remove(name string) error {
st, _, err := u.cacheStatus(name)
if err != nil {
return err
}
switch st {
case cacheLocal:
case cacheHit, cacheStale, cacheMiss:
err = u.base.Remove(name)
}
if err != nil {
return err
}
return u.layer.Remove(name)
}
func (u *CacheOnReadFs) RemoveAll(name string) error {
st, _, err := u.cacheStatus(name)
if err != nil {
return err
}
switch st {
case cacheLocal:
case cacheHit, cacheStale, cacheMiss:
err = u.base.RemoveAll(name)
}
if err != nil {
return err
}
return u.layer.RemoveAll(name)
}
func (u *CacheOnReadFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
st, _, err := u.cacheStatus(name)
if err != nil {
return nil, err
}
switch st {
case cacheLocal, cacheHit:
default:
if err := u.copyToLayer(name); err != nil {
return nil, err
}
}
if flag&(os.O_WRONLY|syscall.O_RDWR|os.O_APPEND|os.O_CREATE|os.O_TRUNC) != 0 {
bfi, err := u.base.OpenFile(name, flag, perm)
if err != nil {
return nil, err
}
lfi, err := u.layer.OpenFile(name, flag, perm)
if err != nil {
bfi.Close() // oops, what if O_TRUNC was set and file opening in the layer failed...?
return nil, err
}
return &UnionFile{base: bfi, layer: lfi}, nil
}
return u.layer.OpenFile(name, flag, perm)
}
func (u *CacheOnReadFs) Open(name string) (File, error) {
st, fi, err := u.cacheStatus(name)
if err != nil {
return nil, err
}
switch st {
case cacheLocal:
return u.layer.Open(name)
case cacheMiss:
bfi, err := u.base.Stat(name)
if err != nil {
return nil, err
}
if bfi.IsDir() {
return u.base.Open(name)
}
if err := u.copyToLayer(name); err != nil {
return nil, err
}
return u.layer.Open(name)
case cacheStale:
if !fi.IsDir() {
if err := u.copyToLayer(name); err != nil {
return nil, err
}
return u.layer.Open(name)
}
case cacheHit:
if !fi.IsDir() {
return u.layer.Open(name)
}
}
// the dirs from cacheHit, cacheStale fall down here:
bfile, _ := u.base.Open(name)
lfile, err := u.layer.Open(name)
if err != nil && bfile == nil {
return nil, err
}
return &UnionFile{base: bfile, layer: lfile}, nil
}
func (u *CacheOnReadFs) Mkdir(name string, perm os.FileMode) error {
err := u.base.Mkdir(name, perm)
if err != nil {
return err
}
return u.layer.MkdirAll(name, perm) // yes, MkdirAll... we cannot assume it exists in the cache
}
func (u *CacheOnReadFs) Name() string {
return "CacheOnReadFs"
}
func (u *CacheOnReadFs) MkdirAll(name string, perm os.FileMode) error {
err := u.base.MkdirAll(name, perm)
if err != nil {
return err
}
return u.layer.MkdirAll(name, perm)
}
func (u *CacheOnReadFs) Create(name string) (File, error) {
bfh, err := u.base.Create(name)
if err != nil {
return nil, err
}
lfh, err := u.layer.Create(name)
if err != nil {
// oops, see comment about OS_TRUNC above, should we remove? then we have to
// remember if the file did not exist before
bfh.Close()
return nil, err
}
return &UnionFile{base: bfh, layer: lfh}, nil
}

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vendor/github.com/spf13/afero/const_bsds.go generated vendored Normal file
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// Copyright © 2016 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build darwin openbsd freebsd netbsd dragonfly
package afero
import (
"syscall"
)
const BADFD = syscall.EBADF

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vendor/github.com/spf13/afero/const_win_unix.go generated vendored Normal file
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// Copyright © 2016 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !darwin
// +build !openbsd
// +build !freebsd
// +build !dragonfly
// +build !netbsd
package afero
import (
"syscall"
)
const BADFD = syscall.EBADFD

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vendor/github.com/spf13/afero/copyOnWriteFs.go generated vendored Normal file
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package afero
import (
"fmt"
"os"
"path/filepath"
"syscall"
"time"
)
// The CopyOnWriteFs is a union filesystem: a read only base file system with
// a possibly writeable layer on top. Changes to the file system will only
// be made in the overlay: Changing an existing file in the base layer which
// is not present in the overlay will copy the file to the overlay ("changing"
// includes also calls to e.g. Chtimes() and Chmod()).
//
// Reading directories is currently only supported via Open(), not OpenFile().
type CopyOnWriteFs struct {
base Fs
layer Fs
}
func NewCopyOnWriteFs(base Fs, layer Fs) Fs {
return &CopyOnWriteFs{base: base, layer: layer}
}
// Returns true if the file is not in the overlay
func (u *CopyOnWriteFs) isBaseFile(name string) (bool, error) {
if _, err := u.layer.Stat(name); err == nil {
return false, nil
}
_, err := u.base.Stat(name)
if err != nil {
if oerr, ok := err.(*os.PathError); ok {
if oerr.Err == os.ErrNotExist || oerr.Err == syscall.ENOENT || oerr.Err == syscall.ENOTDIR {
return false, nil
}
}
if err == syscall.ENOENT {
return false, nil
}
}
return true, err
}
func (u *CopyOnWriteFs) copyToLayer(name string) error {
return copyToLayer(u.base, u.layer, name)
}
func (u *CopyOnWriteFs) Chtimes(name string, atime, mtime time.Time) error {
b, err := u.isBaseFile(name)
if err != nil {
return err
}
if b {
if err := u.copyToLayer(name); err != nil {
return err
}
}
return u.layer.Chtimes(name, atime, mtime)
}
func (u *CopyOnWriteFs) Chmod(name string, mode os.FileMode) error {
b, err := u.isBaseFile(name)
if err != nil {
return err
}
if b {
if err := u.copyToLayer(name); err != nil {
return err
}
}
return u.layer.Chmod(name, mode)
}
func (u *CopyOnWriteFs) Stat(name string) (os.FileInfo, error) {
fi, err := u.layer.Stat(name)
if err != nil {
origErr := err
if e, ok := err.(*os.PathError); ok {
err = e.Err
}
if err == os.ErrNotExist || err == syscall.ENOENT || err == syscall.ENOTDIR {
return u.base.Stat(name)
}
return nil, origErr
}
return fi, nil
}
// Renaming files present only in the base layer is not permitted
func (u *CopyOnWriteFs) Rename(oldname, newname string) error {
b, err := u.isBaseFile(oldname)
if err != nil {
return err
}
if b {
return syscall.EPERM
}
return u.layer.Rename(oldname, newname)
}
// Removing files present only in the base layer is not permitted. If
// a file is present in the base layer and the overlay, only the overlay
// will be removed.
func (u *CopyOnWriteFs) Remove(name string) error {
err := u.layer.Remove(name)
switch err {
case syscall.ENOENT:
_, err = u.base.Stat(name)
if err == nil {
return syscall.EPERM
}
return syscall.ENOENT
default:
return err
}
}
func (u *CopyOnWriteFs) RemoveAll(name string) error {
err := u.layer.RemoveAll(name)
switch err {
case syscall.ENOENT:
_, err = u.base.Stat(name)
if err == nil {
return syscall.EPERM
}
return syscall.ENOENT
default:
return err
}
}
func (u *CopyOnWriteFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
b, err := u.isBaseFile(name)
if err != nil {
return nil, err
}
if flag&(os.O_WRONLY|os.O_RDWR|os.O_APPEND|os.O_CREATE|os.O_TRUNC) != 0 {
if b {
if err = u.copyToLayer(name); err != nil {
return nil, err
}
return u.layer.OpenFile(name, flag, perm)
}
dir := filepath.Dir(name)
isaDir, err := IsDir(u.base, dir)
if err != nil && !os.IsNotExist(err) {
return nil, err
}
if isaDir {
if err = u.layer.MkdirAll(dir, 0777); err != nil {
return nil, err
}
return u.layer.OpenFile(name, flag, perm)
}
isaDir, err = IsDir(u.layer, dir)
if err != nil {
return nil, err
}
if isaDir {
return u.layer.OpenFile(name, flag, perm)
}
return nil, &os.PathError{Op: "open", Path: name, Err: syscall.ENOTDIR} // ...or os.ErrNotExist?
}
if b {
return u.base.OpenFile(name, flag, perm)
}
return u.layer.OpenFile(name, flag, perm)
}
// This function handles the 9 different possibilities caused
// by the union which are the intersection of the following...
// layer: doesn't exist, exists as a file, and exists as a directory
// base: doesn't exist, exists as a file, and exists as a directory
func (u *CopyOnWriteFs) Open(name string) (File, error) {
// Since the overlay overrides the base we check that first
b, err := u.isBaseFile(name)
if err != nil {
return nil, err
}
// If overlay doesn't exist, return the base (base state irrelevant)
if b {
return u.base.Open(name)
}
// If overlay is a file, return it (base state irrelevant)
dir, err := IsDir(u.layer, name)
if err != nil {
return nil, err
}
if !dir {
return u.layer.Open(name)
}
// Overlay is a directory, base state now matters.
// Base state has 3 states to check but 2 outcomes:
// A. It's a file or non-readable in the base (return just the overlay)
// B. It's an accessible directory in the base (return a UnionFile)
// If base is file or nonreadable, return overlay
dir, err = IsDir(u.base, name)
if !dir || err != nil {
return u.layer.Open(name)
}
// Both base & layer are directories
// Return union file (if opens are without error)
bfile, bErr := u.base.Open(name)
lfile, lErr := u.layer.Open(name)
// If either have errors at this point something is very wrong. Return nil and the errors
if bErr != nil || lErr != nil {
return nil, fmt.Errorf("BaseErr: %v\nOverlayErr: %v", bErr, lErr)
}
return &UnionFile{base: bfile, layer: lfile}, nil
}
func (u *CopyOnWriteFs) Mkdir(name string, perm os.FileMode) error {
dir, err := IsDir(u.base, name)
if err != nil {
return u.layer.MkdirAll(name, perm)
}
if dir {
return syscall.EEXIST
}
return u.layer.MkdirAll(name, perm)
}
func (u *CopyOnWriteFs) Name() string {
return "CopyOnWriteFs"
}
func (u *CopyOnWriteFs) MkdirAll(name string, perm os.FileMode) error {
dir, err := IsDir(u.base, name)
if err != nil {
return u.layer.MkdirAll(name, perm)
}
if dir {
return syscall.EEXIST
}
return u.layer.MkdirAll(name, perm)
}
func (u *CopyOnWriteFs) Create(name string) (File, error) {
return u.OpenFile(name, os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0666)
}

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// Copyright © 2014 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package afero
import (
"errors"
"net/http"
"os"
"path"
"path/filepath"
"strings"
"time"
)
type httpDir struct {
basePath string
fs HttpFs
}
func (d httpDir) Open(name string) (http.File, error) {
if filepath.Separator != '/' && strings.IndexRune(name, filepath.Separator) >= 0 ||
strings.Contains(name, "\x00") {
return nil, errors.New("http: invalid character in file path")
}
dir := string(d.basePath)
if dir == "" {
dir = "."
}
f, err := d.fs.Open(filepath.Join(dir, filepath.FromSlash(path.Clean("/"+name))))
if err != nil {
return nil, err
}
return f, nil
}
type HttpFs struct {
source Fs
}
func NewHttpFs(source Fs) *HttpFs {
return &HttpFs{source: source}
}
func (h HttpFs) Dir(s string) *httpDir {
return &httpDir{basePath: s, fs: h}
}
func (h HttpFs) Name() string { return "h HttpFs" }
func (h HttpFs) Create(name string) (File, error) {
return h.source.Create(name)
}
func (h HttpFs) Chmod(name string, mode os.FileMode) error {
return h.source.Chmod(name, mode)
}
func (h HttpFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
return h.source.Chtimes(name, atime, mtime)
}
func (h HttpFs) Mkdir(name string, perm os.FileMode) error {
return h.source.Mkdir(name, perm)
}
func (h HttpFs) MkdirAll(path string, perm os.FileMode) error {
return h.source.MkdirAll(path, perm)
}
func (h HttpFs) Open(name string) (http.File, error) {
f, err := h.source.Open(name)
if err == nil {
if httpfile, ok := f.(http.File); ok {
return httpfile, nil
}
}
return nil, err
}
func (h HttpFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
return h.source.OpenFile(name, flag, perm)
}
func (h HttpFs) Remove(name string) error {
return h.source.Remove(name)
}
func (h HttpFs) RemoveAll(path string) error {
return h.source.RemoveAll(path)
}
func (h HttpFs) Rename(oldname, newname string) error {
return h.source.Rename(oldname, newname)
}
func (h HttpFs) Stat(name string) (os.FileInfo, error) {
return h.source.Stat(name)
}

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// Copyright ©2015 The Go Authors
// Copyright ©2015 Steve Francia <spf@spf13.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package afero
import (
"bytes"
"io"
"os"
"path/filepath"
"sort"
"strconv"
"sync"
"time"
)
// byName implements sort.Interface.
type byName []os.FileInfo
func (f byName) Len() int { return len(f) }
func (f byName) Less(i, j int) bool { return f[i].Name() < f[j].Name() }
func (f byName) Swap(i, j int) { f[i], f[j] = f[j], f[i] }
// ReadDir reads the directory named by dirname and returns
// a list of sorted directory entries.
func (a Afero) ReadDir(dirname string) ([]os.FileInfo, error) {
return ReadDir(a.Fs, dirname)
}
func ReadDir(fs Fs, dirname string) ([]os.FileInfo, error) {
f, err := fs.Open(dirname)
if err != nil {
return nil, err
}
list, err := f.Readdir(-1)
f.Close()
if err != nil {
return nil, err
}
sort.Sort(byName(list))
return list, nil
}
// ReadFile reads the file named by filename and returns the contents.
// A successful call returns err == nil, not err == EOF. Because ReadFile
// reads the whole file, it does not treat an EOF from Read as an error
// to be reported.
func (a Afero) ReadFile(filename string) ([]byte, error) {
return ReadFile(a.Fs, filename)
}
func ReadFile(fs Fs, filename string) ([]byte, error) {
f, err := fs.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
// It's a good but not certain bet that FileInfo will tell us exactly how much to
// read, so let's try it but be prepared for the answer to be wrong.
var n int64
if fi, err := f.Stat(); err == nil {
// Don't preallocate a huge buffer, just in case.
if size := fi.Size(); size < 1e9 {
n = size
}
}
// As initial capacity for readAll, use n + a little extra in case Size is zero,
// and to avoid another allocation after Read has filled the buffer. The readAll
// call will read into its allocated internal buffer cheaply. If the size was
// wrong, we'll either waste some space off the end or reallocate as needed, but
// in the overwhelmingly common case we'll get it just right.
return readAll(f, n+bytes.MinRead)
}
// readAll reads from r until an error or EOF and returns the data it read
// from the internal buffer allocated with a specified capacity.
func readAll(r io.Reader, capacity int64) (b []byte, err error) {
buf := bytes.NewBuffer(make([]byte, 0, capacity))
// If the buffer overflows, we will get bytes.ErrTooLarge.
// Return that as an error. Any other panic remains.
defer func() {
e := recover()
if e == nil {
return
}
if panicErr, ok := e.(error); ok && panicErr == bytes.ErrTooLarge {
err = panicErr
} else {
panic(e)
}
}()
_, err = buf.ReadFrom(r)
return buf.Bytes(), err
}
// ReadAll reads from r until an error or EOF and returns the data it read.
// A successful call returns err == nil, not err == EOF. Because ReadAll is
// defined to read from src until EOF, it does not treat an EOF from Read
// as an error to be reported.
func ReadAll(r io.Reader) ([]byte, error) {
return readAll(r, bytes.MinRead)
}
// WriteFile writes data to a file named by filename.
// If the file does not exist, WriteFile creates it with permissions perm;
// otherwise WriteFile truncates it before writing.
func (a Afero) WriteFile(filename string, data []byte, perm os.FileMode) error {
return WriteFile(a.Fs, filename, data, perm)
}
func WriteFile(fs Fs, filename string, data []byte, perm os.FileMode) error {
f, err := fs.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm)
if err != nil {
return err
}
n, err := f.Write(data)
if err == nil && n < len(data) {
err = io.ErrShortWrite
}
if err1 := f.Close(); err == nil {
err = err1
}
return err
}
// Random number state.
// We generate random temporary file names so that there's a good
// chance the file doesn't exist yet - keeps the number of tries in
// TempFile to a minimum.
var rand uint32
var randmu sync.Mutex
func reseed() uint32 {
return uint32(time.Now().UnixNano() + int64(os.Getpid()))
}
func nextSuffix() string {
randmu.Lock()
r := rand
if r == 0 {
r = reseed()
}
r = r*1664525 + 1013904223 // constants from Numerical Recipes
rand = r
randmu.Unlock()
return strconv.Itoa(int(1e9 + r%1e9))[1:]
}
// TempFile creates a new temporary file in the directory dir
// with a name beginning with prefix, opens the file for reading
// and writing, and returns the resulting *File.
// If dir is the empty string, TempFile uses the default directory
// for temporary files (see os.TempDir).
// Multiple programs calling TempFile simultaneously
// will not choose the same file. The caller can use f.Name()
// to find the pathname of the file. It is the caller's responsibility
// to remove the file when no longer needed.
func (a Afero) TempFile(dir, prefix string) (f File, err error) {
return TempFile(a.Fs, dir, prefix)
}
func TempFile(fs Fs, dir, prefix string) (f File, err error) {
if dir == "" {
dir = os.TempDir()
}
nconflict := 0
for i := 0; i < 10000; i++ {
name := filepath.Join(dir, prefix+nextSuffix())
f, err = fs.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
if os.IsExist(err) {
if nconflict++; nconflict > 10 {
randmu.Lock()
rand = reseed()
randmu.Unlock()
}
continue
}
break
}
return
}
// TempDir creates a new temporary directory in the directory dir
// with a name beginning with prefix and returns the path of the
// new directory. If dir is the empty string, TempDir uses the
// default directory for temporary files (see os.TempDir).
// Multiple programs calling TempDir simultaneously
// will not choose the same directory. It is the caller's responsibility
// to remove the directory when no longer needed.
func (a Afero) TempDir(dir, prefix string) (name string, err error) {
return TempDir(a.Fs, dir, prefix)
}
func TempDir(fs Fs, dir, prefix string) (name string, err error) {
if dir == "" {
dir = os.TempDir()
}
nconflict := 0
for i := 0; i < 10000; i++ {
try := filepath.Join(dir, prefix+nextSuffix())
err = fs.Mkdir(try, 0700)
if os.IsExist(err) {
if nconflict++; nconflict > 10 {
randmu.Lock()
rand = reseed()
randmu.Unlock()
}
continue
}
if err == nil {
name = try
}
break
}
return
}

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vendor/github.com/spf13/afero/match.go generated vendored Normal file
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// Copyright © 2014 Steve Francia <spf@spf13.com>.
// Copyright 2009 The Go Authors. All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package afero
import (
"path/filepath"
"sort"
"strings"
)
// Glob returns the names of all files matching pattern or nil
// if there is no matching file. The syntax of patterns is the same
// as in Match. The pattern may describe hierarchical names such as
// /usr/*/bin/ed (assuming the Separator is '/').
//
// Glob ignores file system errors such as I/O errors reading directories.
// The only possible returned error is ErrBadPattern, when pattern
// is malformed.
//
// This was adapted from (http://golang.org/pkg/path/filepath) and uses several
// built-ins from that package.
func Glob(fs Fs, pattern string) (matches []string, err error) {
if !hasMeta(pattern) {
// afero does not support Lstat directly.
if _, err = lstatIfOs(fs, pattern); err != nil {
return nil, nil
}
return []string{pattern}, nil
}
dir, file := filepath.Split(pattern)
switch dir {
case "":
dir = "."
case string(filepath.Separator):
// nothing
default:
dir = dir[0 : len(dir)-1] // chop off trailing separator
}
if !hasMeta(dir) {
return glob(fs, dir, file, nil)
}
var m []string
m, err = Glob(fs, dir)
if err != nil {
return
}
for _, d := range m {
matches, err = glob(fs, d, file, matches)
if err != nil {
return
}
}
return
}
// glob searches for files matching pattern in the directory dir
// and appends them to matches. If the directory cannot be
// opened, it returns the existing matches. New matches are
// added in lexicographical order.
func glob(fs Fs, dir, pattern string, matches []string) (m []string, e error) {
m = matches
fi, err := fs.Stat(dir)
if err != nil {
return
}
if !fi.IsDir() {
return
}
d, err := fs.Open(dir)
if err != nil {
return
}
defer d.Close()
names, _ := d.Readdirnames(-1)
sort.Strings(names)
for _, n := range names {
matched, err := filepath.Match(pattern, n)
if err != nil {
return m, err
}
if matched {
m = append(m, filepath.Join(dir, n))
}
}
return
}
// hasMeta reports whether path contains any of the magic characters
// recognized by Match.
func hasMeta(path string) bool {
// TODO(niemeyer): Should other magic characters be added here?
return strings.IndexAny(path, "*?[") >= 0
}

37
vendor/github.com/spf13/afero/mem/dir.go generated vendored Normal file
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// Copyright © 2014 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mem
type Dir interface {
Len() int
Names() []string
Files() []*FileData
Add(*FileData)
Remove(*FileData)
}
func RemoveFromMemDir(dir *FileData, f *FileData) {
dir.memDir.Remove(f)
}
func AddToMemDir(dir *FileData, f *FileData) {
dir.memDir.Add(f)
}
func InitializeDir(d *FileData) {
if d.memDir == nil {
d.dir = true
d.memDir = &DirMap{}
}
}

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vendor/github.com/spf13/afero/mem/dirmap.go generated vendored Normal file
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// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mem
import "sort"
type DirMap map[string]*FileData
func (m DirMap) Len() int { return len(m) }
func (m DirMap) Add(f *FileData) { m[f.name] = f }
func (m DirMap) Remove(f *FileData) { delete(m, f.name) }
func (m DirMap) Files() (files []*FileData) {
for _, f := range m {
files = append(files, f)
}
sort.Sort(filesSorter(files))
return files
}
// implement sort.Interface for []*FileData
type filesSorter []*FileData
func (s filesSorter) Len() int { return len(s) }
func (s filesSorter) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s filesSorter) Less(i, j int) bool { return s[i].name < s[j].name }
func (m DirMap) Names() (names []string) {
for x := range m {
names = append(names, x)
}
return names
}

314
vendor/github.com/spf13/afero/mem/file.go generated vendored Normal file
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// Copyright © 2015 Steve Francia <spf@spf13.com>.
// Copyright 2013 tsuru authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mem
import (
"bytes"
"errors"
"io"
"os"
"path/filepath"
"sync"
"sync/atomic"
)
import "time"
const FilePathSeparator = string(filepath.Separator)
type File struct {
// atomic requires 64-bit alignment for struct field access
at int64
readDirCount int64
closed bool
readOnly bool
fileData *FileData
}
func NewFileHandle(data *FileData) *File {
return &File{fileData: data}
}
func NewReadOnlyFileHandle(data *FileData) *File {
return &File{fileData: data, readOnly: true}
}
func (f File) Data() *FileData {
return f.fileData
}
type FileData struct {
sync.Mutex
name string
data []byte
memDir Dir
dir bool
mode os.FileMode
modtime time.Time
}
func (d *FileData) Name() string {
d.Lock()
defer d.Unlock()
return d.name
}
func CreateFile(name string) *FileData {
return &FileData{name: name, mode: os.ModeTemporary, modtime: time.Now()}
}
func CreateDir(name string) *FileData {
return &FileData{name: name, memDir: &DirMap{}, dir: true}
}
func ChangeFileName(f *FileData, newname string) {
f.Lock()
f.name = newname
f.Unlock()
}
func SetMode(f *FileData, mode os.FileMode) {
f.Lock()
f.mode = mode
f.Unlock()
}
func SetModTime(f *FileData, mtime time.Time) {
f.Lock()
setModTime(f, mtime)
f.Unlock()
}
func setModTime(f *FileData, mtime time.Time) {
f.modtime = mtime
}
func GetFileInfo(f *FileData) *FileInfo {
return &FileInfo{f}
}
func (f *File) Open() error {
atomic.StoreInt64(&f.at, 0)
atomic.StoreInt64(&f.readDirCount, 0)
f.fileData.Lock()
f.closed = false
f.fileData.Unlock()
return nil
}
func (f *File) Close() error {
f.fileData.Lock()
f.closed = true
if !f.readOnly {
setModTime(f.fileData, time.Now())
}
f.fileData.Unlock()
return nil
}
func (f *File) Name() string {
return f.fileData.Name()
}
func (f *File) Stat() (os.FileInfo, error) {
return &FileInfo{f.fileData}, nil
}
func (f *File) Sync() error {
return nil
}
func (f *File) Readdir(count int) (res []os.FileInfo, err error) {
var outLength int64
f.fileData.Lock()
files := f.fileData.memDir.Files()[f.readDirCount:]
if count > 0 {
if len(files) < count {
outLength = int64(len(files))
} else {
outLength = int64(count)
}
if len(files) == 0 {
err = io.EOF
}
} else {
outLength = int64(len(files))
}
f.readDirCount += outLength
f.fileData.Unlock()
res = make([]os.FileInfo, outLength)
for i := range res {
res[i] = &FileInfo{files[i]}
}
return res, err
}
func (f *File) Readdirnames(n int) (names []string, err error) {
fi, err := f.Readdir(n)
names = make([]string, len(fi))
for i, f := range fi {
_, names[i] = filepath.Split(f.Name())
}
return names, err
}
func (f *File) Read(b []byte) (n int, err error) {
f.fileData.Lock()
defer f.fileData.Unlock()
if f.closed == true {
return 0, ErrFileClosed
}
if len(b) > 0 && int(f.at) == len(f.fileData.data) {
return 0, io.EOF
}
if int(f.at) > len(f.fileData.data) {
return 0, io.ErrUnexpectedEOF
}
if len(f.fileData.data)-int(f.at) >= len(b) {
n = len(b)
} else {
n = len(f.fileData.data) - int(f.at)
}
copy(b, f.fileData.data[f.at:f.at+int64(n)])
atomic.AddInt64(&f.at, int64(n))
return
}
func (f *File) ReadAt(b []byte, off int64) (n int, err error) {
atomic.StoreInt64(&f.at, off)
return f.Read(b)
}
func (f *File) Truncate(size int64) error {
if f.closed == true {
return ErrFileClosed
}
if f.readOnly {
return &os.PathError{Op: "truncate", Path: f.fileData.name, Err: errors.New("file handle is read only")}
}
if size < 0 {
return ErrOutOfRange
}
if size > int64(len(f.fileData.data)) {
diff := size - int64(len(f.fileData.data))
f.fileData.data = append(f.fileData.data, bytes.Repeat([]byte{00}, int(diff))...)
} else {
f.fileData.data = f.fileData.data[0:size]
}
setModTime(f.fileData, time.Now())
return nil
}
func (f *File) Seek(offset int64, whence int) (int64, error) {
if f.closed == true {
return 0, ErrFileClosed
}
switch whence {
case 0:
atomic.StoreInt64(&f.at, offset)
case 1:
atomic.AddInt64(&f.at, int64(offset))
case 2:
atomic.StoreInt64(&f.at, int64(len(f.fileData.data))+offset)
}
return f.at, nil
}
func (f *File) Write(b []byte) (n int, err error) {
if f.readOnly {
return 0, &os.PathError{Op: "write", Path: f.fileData.name, Err: errors.New("file handle is read only")}
}
n = len(b)
cur := atomic.LoadInt64(&f.at)
f.fileData.Lock()
defer f.fileData.Unlock()
diff := cur - int64(len(f.fileData.data))
var tail []byte
if n+int(cur) < len(f.fileData.data) {
tail = f.fileData.data[n+int(cur):]
}
if diff > 0 {
f.fileData.data = append(bytes.Repeat([]byte{00}, int(diff)), b...)
f.fileData.data = append(f.fileData.data, tail...)
} else {
f.fileData.data = append(f.fileData.data[:cur], b...)
f.fileData.data = append(f.fileData.data, tail...)
}
setModTime(f.fileData, time.Now())
atomic.StoreInt64(&f.at, int64(len(f.fileData.data)))
return
}
func (f *File) WriteAt(b []byte, off int64) (n int, err error) {
atomic.StoreInt64(&f.at, off)
return f.Write(b)
}
func (f *File) WriteString(s string) (ret int, err error) {
return f.Write([]byte(s))
}
func (f *File) Info() *FileInfo {
return &FileInfo{f.fileData}
}
type FileInfo struct {
*FileData
}
// Implements os.FileInfo
func (s *FileInfo) Name() string {
s.Lock()
_, name := filepath.Split(s.name)
s.Unlock()
return name
}
func (s *FileInfo) Mode() os.FileMode {
s.Lock()
defer s.Unlock()
return s.mode
}
func (s *FileInfo) ModTime() time.Time {
s.Lock()
defer s.Unlock()
return s.modtime
}
func (s *FileInfo) IsDir() bool {
s.Lock()
defer s.Unlock()
return s.dir
}
func (s *FileInfo) Sys() interface{} { return nil }
func (s *FileInfo) Size() int64 {
if s.IsDir() {
return int64(42)
}
s.Lock()
defer s.Unlock()
return int64(len(s.data))
}
var (
ErrFileClosed = errors.New("File is closed")
ErrOutOfRange = errors.New("Out of range")
ErrTooLarge = errors.New("Too large")
ErrFileNotFound = os.ErrNotExist
ErrFileExists = os.ErrExist
ErrDestinationExists = os.ErrExist
)

365
vendor/github.com/spf13/afero/memmap.go generated vendored Normal file
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@ -0,0 +1,365 @@
// Copyright © 2014 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package afero
import (
"fmt"
"log"
"os"
"path/filepath"
"strings"
"sync"
"time"
"github.com/spf13/afero/mem"
)
type MemMapFs struct {
mu sync.RWMutex
data map[string]*mem.FileData
init sync.Once
}
func NewMemMapFs() Fs {
return &MemMapFs{}
}
func (m *MemMapFs) getData() map[string]*mem.FileData {
m.init.Do(func() {
m.data = make(map[string]*mem.FileData)
// Root should always exist, right?
// TODO: what about windows?
m.data[FilePathSeparator] = mem.CreateDir(FilePathSeparator)
})
return m.data
}
func (*MemMapFs) Name() string { return "MemMapFS" }
func (m *MemMapFs) Create(name string) (File, error) {
name = normalizePath(name)
m.mu.Lock()
file := mem.CreateFile(name)
m.getData()[name] = file
m.registerWithParent(file)
m.mu.Unlock()
return mem.NewFileHandle(file), nil
}
func (m *MemMapFs) unRegisterWithParent(fileName string) error {
f, err := m.lockfreeOpen(fileName)
if err != nil {
return err
}
parent := m.findParent(f)
if parent == nil {
log.Panic("parent of ", f.Name(), " is nil")
}
parent.Lock()
mem.RemoveFromMemDir(parent, f)
parent.Unlock()
return nil
}
func (m *MemMapFs) findParent(f *mem.FileData) *mem.FileData {
pdir, _ := filepath.Split(f.Name())
pdir = filepath.Clean(pdir)
pfile, err := m.lockfreeOpen(pdir)
if err != nil {
return nil
}
return pfile
}
func (m *MemMapFs) registerWithParent(f *mem.FileData) {
if f == nil {
return
}
parent := m.findParent(f)
if parent == nil {
pdir := filepath.Dir(filepath.Clean(f.Name()))
err := m.lockfreeMkdir(pdir, 0777)
if err != nil {
//log.Println("Mkdir error:", err)
return
}
parent, err = m.lockfreeOpen(pdir)
if err != nil {
//log.Println("Open after Mkdir error:", err)
return
}
}
parent.Lock()
mem.InitializeDir(parent)
mem.AddToMemDir(parent, f)
parent.Unlock()
}
func (m *MemMapFs) lockfreeMkdir(name string, perm os.FileMode) error {
name = normalizePath(name)
x, ok := m.getData()[name]
if ok {
// Only return ErrFileExists if it's a file, not a directory.
i := mem.FileInfo{FileData: x}
if !i.IsDir() {
return ErrFileExists
}
} else {
item := mem.CreateDir(name)
m.getData()[name] = item
m.registerWithParent(item)
}
return nil
}
func (m *MemMapFs) Mkdir(name string, perm os.FileMode) error {
name = normalizePath(name)
m.mu.RLock()
_, ok := m.getData()[name]
m.mu.RUnlock()
if ok {
return &os.PathError{Op: "mkdir", Path: name, Err: ErrFileExists}
}
m.mu.Lock()
item := mem.CreateDir(name)
m.getData()[name] = item
m.registerWithParent(item)
m.mu.Unlock()
m.Chmod(name, perm|os.ModeDir)
return nil
}
func (m *MemMapFs) MkdirAll(path string, perm os.FileMode) error {
err := m.Mkdir(path, perm)
if err != nil {
if err.(*os.PathError).Err == ErrFileExists {
return nil
}
return err
}
return nil
}
// Handle some relative paths
func normalizePath(path string) string {
path = filepath.Clean(path)
switch path {
case ".":
return FilePathSeparator
case "..":
return FilePathSeparator
default:
return path
}
}
func (m *MemMapFs) Open(name string) (File, error) {
f, err := m.open(name)
if f != nil {
return mem.NewReadOnlyFileHandle(f), err
}
return nil, err
}
func (m *MemMapFs) openWrite(name string) (File, error) {
f, err := m.open(name)
if f != nil {
return mem.NewFileHandle(f), err
}
return nil, err
}
func (m *MemMapFs) open(name string) (*mem.FileData, error) {
name = normalizePath(name)
m.mu.RLock()
f, ok := m.getData()[name]
m.mu.RUnlock()
if !ok {
return nil, &os.PathError{Op: "open", Path: name, Err: ErrFileNotFound}
}
return f, nil
}
func (m *MemMapFs) lockfreeOpen(name string) (*mem.FileData, error) {
name = normalizePath(name)
f, ok := m.getData()[name]
if ok {
return f, nil
} else {
return nil, ErrFileNotFound
}
}
func (m *MemMapFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
chmod := false
file, err := m.openWrite(name)
if os.IsNotExist(err) && (flag&os.O_CREATE > 0) {
file, err = m.Create(name)
chmod = true
}
if err != nil {
return nil, err
}
if flag == os.O_RDONLY {
file = mem.NewReadOnlyFileHandle(file.(*mem.File).Data())
}
if flag&os.O_APPEND > 0 {
_, err = file.Seek(0, os.SEEK_END)
if err != nil {
file.Close()
return nil, err
}
}
if flag&os.O_TRUNC > 0 && flag&(os.O_RDWR|os.O_WRONLY) > 0 {
err = file.Truncate(0)
if err != nil {
file.Close()
return nil, err
}
}
if chmod {
m.Chmod(name, perm)
}
return file, nil
}
func (m *MemMapFs) Remove(name string) error {
name = normalizePath(name)
m.mu.Lock()
defer m.mu.Unlock()
if _, ok := m.getData()[name]; ok {
err := m.unRegisterWithParent(name)
if err != nil {
return &os.PathError{Op: "remove", Path: name, Err: err}
}
delete(m.getData(), name)
} else {
return &os.PathError{Op: "remove", Path: name, Err: os.ErrNotExist}
}
return nil
}
func (m *MemMapFs) RemoveAll(path string) error {
path = normalizePath(path)
m.mu.Lock()
m.unRegisterWithParent(path)
m.mu.Unlock()
m.mu.RLock()
defer m.mu.RUnlock()
for p, _ := range m.getData() {
if strings.HasPrefix(p, path) {
m.mu.RUnlock()
m.mu.Lock()
delete(m.getData(), p)
m.mu.Unlock()
m.mu.RLock()
}
}
return nil
}
func (m *MemMapFs) Rename(oldname, newname string) error {
oldname = normalizePath(oldname)
newname = normalizePath(newname)
if oldname == newname {
return nil
}
m.mu.RLock()
defer m.mu.RUnlock()
if _, ok := m.getData()[oldname]; ok {
m.mu.RUnlock()
m.mu.Lock()
m.unRegisterWithParent(oldname)
fileData := m.getData()[oldname]
delete(m.getData(), oldname)
mem.ChangeFileName(fileData, newname)
m.getData()[newname] = fileData
m.registerWithParent(fileData)
m.mu.Unlock()
m.mu.RLock()
} else {
return &os.PathError{Op: "rename", Path: oldname, Err: ErrFileNotFound}
}
return nil
}
func (m *MemMapFs) Stat(name string) (os.FileInfo, error) {
f, err := m.Open(name)
if err != nil {
return nil, err
}
fi := mem.GetFileInfo(f.(*mem.File).Data())
return fi, nil
}
func (m *MemMapFs) Chmod(name string, mode os.FileMode) error {
name = normalizePath(name)
m.mu.RLock()
f, ok := m.getData()[name]
m.mu.RUnlock()
if !ok {
return &os.PathError{Op: "chmod", Path: name, Err: ErrFileNotFound}
}
m.mu.Lock()
mem.SetMode(f, mode)
m.mu.Unlock()
return nil
}
func (m *MemMapFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
name = normalizePath(name)
m.mu.RLock()
f, ok := m.getData()[name]
m.mu.RUnlock()
if !ok {
return &os.PathError{Op: "chtimes", Path: name, Err: ErrFileNotFound}
}
m.mu.Lock()
mem.SetModTime(f, mtime)
m.mu.Unlock()
return nil
}
func (m *MemMapFs) List() {
for _, x := range m.data {
y := mem.FileInfo{FileData: x}
fmt.Println(x.Name(), y.Size())
}
}
// func debugMemMapList(fs Fs) {
// if x, ok := fs.(*MemMapFs); ok {
// x.List()
// }
// }

94
vendor/github.com/spf13/afero/os.go generated vendored Normal file
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// Copyright © 2014 Steve Francia <spf@spf13.com>.
// Copyright 2013 tsuru authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package afero
import (
"os"
"time"
)
// OsFs is a Fs implementation that uses functions provided by the os package.
//
// For details in any method, check the documentation of the os package
// (http://golang.org/pkg/os/).
type OsFs struct{}
func NewOsFs() Fs {
return &OsFs{}
}
func (OsFs) Name() string { return "OsFs" }
func (OsFs) Create(name string) (File, error) {
f, e := os.Create(name)
if f == nil {
// while this looks strange, we need to return a bare nil (of type nil) not
// a nil value of type *os.File or nil won't be nil
return nil, e
}
return f, e
}
func (OsFs) Mkdir(name string, perm os.FileMode) error {
return os.Mkdir(name, perm)
}
func (OsFs) MkdirAll(path string, perm os.FileMode) error {
return os.MkdirAll(path, perm)
}
func (OsFs) Open(name string) (File, error) {
f, e := os.Open(name)
if f == nil {
// while this looks strange, we need to return a bare nil (of type nil) not
// a nil value of type *os.File or nil won't be nil
return nil, e
}
return f, e
}
func (OsFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
f, e := os.OpenFile(name, flag, perm)
if f == nil {
// while this looks strange, we need to return a bare nil (of type nil) not
// a nil value of type *os.File or nil won't be nil
return nil, e
}
return f, e
}
func (OsFs) Remove(name string) error {
return os.Remove(name)
}
func (OsFs) RemoveAll(path string) error {
return os.RemoveAll(path)
}
func (OsFs) Rename(oldname, newname string) error {
return os.Rename(oldname, newname)
}
func (OsFs) Stat(name string) (os.FileInfo, error) {
return os.Stat(name)
}
func (OsFs) Chmod(name string, mode os.FileMode) error {
return os.Chmod(name, mode)
}
func (OsFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
return os.Chtimes(name, atime, mtime)
}

108
vendor/github.com/spf13/afero/path.go generated vendored Normal file
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// Copyright ©2015 The Go Authors
// Copyright ©2015 Steve Francia <spf@spf13.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package afero
import (
"os"
"path/filepath"
"sort"
)
// readDirNames reads the directory named by dirname and returns
// a sorted list of directory entries.
// adapted from https://golang.org/src/path/filepath/path.go
func readDirNames(fs Fs, dirname string) ([]string, error) {
f, err := fs.Open(dirname)
if err != nil {
return nil, err
}
names, err := f.Readdirnames(-1)
f.Close()
if err != nil {
return nil, err
}
sort.Strings(names)
return names, nil
}
// walk recursively descends path, calling walkFn
// adapted from https://golang.org/src/path/filepath/path.go
func walk(fs Fs, path string, info os.FileInfo, walkFn filepath.WalkFunc) error {
err := walkFn(path, info, nil)
if err != nil {
if info.IsDir() && err == filepath.SkipDir {
return nil
}
return err
}
if !info.IsDir() {
return nil
}
names, err := readDirNames(fs, path)
if err != nil {
return walkFn(path, info, err)
}
for _, name := range names {
filename := filepath.Join(path, name)
fileInfo, err := lstatIfOs(fs, filename)
if err != nil {
if err := walkFn(filename, fileInfo, err); err != nil && err != filepath.SkipDir {
return err
}
} else {
err = walk(fs, filename, fileInfo, walkFn)
if err != nil {
if !fileInfo.IsDir() || err != filepath.SkipDir {
return err
}
}
}
}
return nil
}
// if the filesystem is OsFs use Lstat, else use fs.Stat
func lstatIfOs(fs Fs, path string) (info os.FileInfo, err error) {
_, ok := fs.(*OsFs)
if ok {
info, err = os.Lstat(path)
} else {
info, err = fs.Stat(path)
}
return
}
// Walk walks the file tree rooted at root, calling walkFn for each file or
// directory in the tree, including root. All errors that arise visiting files
// and directories are filtered by walkFn. The files are walked in lexical
// order, which makes the output deterministic but means that for very
// large directories Walk can be inefficient.
// Walk does not follow symbolic links.
func (a Afero) Walk(root string, walkFn filepath.WalkFunc) error {
return Walk(a.Fs, root, walkFn)
}
func Walk(fs Fs, root string, walkFn filepath.WalkFunc) error {
info, err := lstatIfOs(fs, root)
if err != nil {
return walkFn(root, nil, err)
}
return walk(fs, root, info, walkFn)
}

70
vendor/github.com/spf13/afero/readonlyfs.go generated vendored Normal file
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package afero
import (
"os"
"syscall"
"time"
)
type ReadOnlyFs struct {
source Fs
}
func NewReadOnlyFs(source Fs) Fs {
return &ReadOnlyFs{source: source}
}
func (r *ReadOnlyFs) ReadDir(name string) ([]os.FileInfo, error) {
return ReadDir(r.source, name)
}
func (r *ReadOnlyFs) Chtimes(n string, a, m time.Time) error {
return syscall.EPERM
}
func (r *ReadOnlyFs) Chmod(n string, m os.FileMode) error {
return syscall.EPERM
}
func (r *ReadOnlyFs) Name() string {
return "ReadOnlyFilter"
}
func (r *ReadOnlyFs) Stat(name string) (os.FileInfo, error) {
return r.source.Stat(name)
}
func (r *ReadOnlyFs) Rename(o, n string) error {
return syscall.EPERM
}
func (r *ReadOnlyFs) RemoveAll(p string) error {
return syscall.EPERM
}
func (r *ReadOnlyFs) Remove(n string) error {
return syscall.EPERM
}
func (r *ReadOnlyFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
if flag&(os.O_WRONLY|syscall.O_RDWR|os.O_APPEND|os.O_CREATE|os.O_TRUNC) != 0 {
return nil, syscall.EPERM
}
return r.source.OpenFile(name, flag, perm)
}
func (r *ReadOnlyFs) Open(n string) (File, error) {
return r.source.Open(n)
}
func (r *ReadOnlyFs) Mkdir(n string, p os.FileMode) error {
return syscall.EPERM
}
func (r *ReadOnlyFs) MkdirAll(n string, p os.FileMode) error {
return syscall.EPERM
}
func (r *ReadOnlyFs) Create(n string) (File, error) {
return nil, syscall.EPERM
}

214
vendor/github.com/spf13/afero/regexpfs.go generated vendored Normal file
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package afero
import (
"os"
"regexp"
"syscall"
"time"
)
// The RegexpFs filters files (not directories) by regular expression. Only
// files matching the given regexp will be allowed, all others get a ENOENT error (
// "No such file or directory").
//
type RegexpFs struct {
re *regexp.Regexp
source Fs
}
func NewRegexpFs(source Fs, re *regexp.Regexp) Fs {
return &RegexpFs{source: source, re: re}
}
type RegexpFile struct {
f File
re *regexp.Regexp
}
func (r *RegexpFs) matchesName(name string) error {
if r.re == nil {
return nil
}
if r.re.MatchString(name) {
return nil
}
return syscall.ENOENT
}
func (r *RegexpFs) dirOrMatches(name string) error {
dir, err := IsDir(r.source, name)
if err != nil {
return err
}
if dir {
return nil
}
return r.matchesName(name)
}
func (r *RegexpFs) Chtimes(name string, a, m time.Time) error {
if err := r.dirOrMatches(name); err != nil {
return err
}
return r.source.Chtimes(name, a, m)
}
func (r *RegexpFs) Chmod(name string, mode os.FileMode) error {
if err := r.dirOrMatches(name); err != nil {
return err
}
return r.source.Chmod(name, mode)
}
func (r *RegexpFs) Name() string {
return "RegexpFs"
}
func (r *RegexpFs) Stat(name string) (os.FileInfo, error) {
if err := r.dirOrMatches(name); err != nil {
return nil, err
}
return r.source.Stat(name)
}
func (r *RegexpFs) Rename(oldname, newname string) error {
dir, err := IsDir(r.source, oldname)
if err != nil {
return err
}
if dir {
return nil
}
if err := r.matchesName(oldname); err != nil {
return err
}
if err := r.matchesName(newname); err != nil {
return err
}
return r.source.Rename(oldname, newname)
}
func (r *RegexpFs) RemoveAll(p string) error {
dir, err := IsDir(r.source, p)
if err != nil {
return err
}
if !dir {
if err := r.matchesName(p); err != nil {
return err
}
}
return r.source.RemoveAll(p)
}
func (r *RegexpFs) Remove(name string) error {
if err := r.dirOrMatches(name); err != nil {
return err
}
return r.source.Remove(name)
}
func (r *RegexpFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
if err := r.dirOrMatches(name); err != nil {
return nil, err
}
return r.source.OpenFile(name, flag, perm)
}
func (r *RegexpFs) Open(name string) (File, error) {
dir, err := IsDir(r.source, name)
if err != nil {
return nil, err
}
if !dir {
if err := r.matchesName(name); err != nil {
return nil, err
}
}
f, err := r.source.Open(name)
return &RegexpFile{f: f, re: r.re}, nil
}
func (r *RegexpFs) Mkdir(n string, p os.FileMode) error {
return r.source.Mkdir(n, p)
}
func (r *RegexpFs) MkdirAll(n string, p os.FileMode) error {
return r.source.MkdirAll(n, p)
}
func (r *RegexpFs) Create(name string) (File, error) {
if err := r.matchesName(name); err != nil {
return nil, err
}
return r.source.Create(name)
}
func (f *RegexpFile) Close() error {
return f.f.Close()
}
func (f *RegexpFile) Read(s []byte) (int, error) {
return f.f.Read(s)
}
func (f *RegexpFile) ReadAt(s []byte, o int64) (int, error) {
return f.f.ReadAt(s, o)
}
func (f *RegexpFile) Seek(o int64, w int) (int64, error) {
return f.f.Seek(o, w)
}
func (f *RegexpFile) Write(s []byte) (int, error) {
return f.f.Write(s)
}
func (f *RegexpFile) WriteAt(s []byte, o int64) (int, error) {
return f.f.WriteAt(s, o)
}
func (f *RegexpFile) Name() string {
return f.f.Name()
}
func (f *RegexpFile) Readdir(c int) (fi []os.FileInfo, err error) {
var rfi []os.FileInfo
rfi, err = f.f.Readdir(c)
if err != nil {
return nil, err
}
for _, i := range rfi {
if i.IsDir() || f.re.MatchString(i.Name()) {
fi = append(fi, i)
}
}
return fi, nil
}
func (f *RegexpFile) Readdirnames(c int) (n []string, err error) {
fi, err := f.Readdir(c)
if err != nil {
return nil, err
}
for _, s := range fi {
n = append(n, s.Name())
}
return n, nil
}
func (f *RegexpFile) Stat() (os.FileInfo, error) {
return f.f.Stat()
}
func (f *RegexpFile) Sync() error {
return f.f.Sync()
}
func (f *RegexpFile) Truncate(s int64) error {
return f.f.Truncate(s)
}
func (f *RegexpFile) WriteString(s string) (int, error) {
return f.f.WriteString(s)
}

95
vendor/github.com/spf13/afero/sftpfs/file.go generated vendored Normal file
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// Copyright © 2015 Jerry Jacobs <jerry.jacobs@xor-gate.org>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sftpfs
import (
"github.com/pkg/sftp"
"os"
)
type File struct {
fd *sftp.File
}
func FileOpen(s *sftp.Client, name string) (*File, error) {
fd, err := s.Open(name)
if err != nil {
return &File{}, err
}
return &File{fd: fd}, nil
}
func FileCreate(s *sftp.Client, name string) (*File, error) {
fd, err := s.Create(name)
if err != nil {
return &File{}, err
}
return &File{fd: fd}, nil
}
func (f *File) Close() error {
return f.fd.Close()
}
func (f *File) Name() string {
return f.fd.Name()
}
func (f *File) Stat() (os.FileInfo, error) {
return f.fd.Stat()
}
func (f *File) Sync() error {
return nil
}
func (f *File) Truncate(size int64) error {
return f.fd.Truncate(size)
}
func (f *File) Read(b []byte) (n int, err error) {
return f.fd.Read(b)
}
// TODO
func (f *File) ReadAt(b []byte, off int64) (n int, err error) {
return 0, nil
}
// TODO
func (f *File) Readdir(count int) (res []os.FileInfo, err error) {
return nil, nil
}
// TODO
func (f *File) Readdirnames(n int) (names []string, err error) {
return nil, nil
}
func (f *File) Seek(offset int64, whence int) (int64, error) {
return f.fd.Seek(offset, whence)
}
func (f *File) Write(b []byte) (n int, err error) {
return f.fd.Write(b)
}
// TODO
func (f *File) WriteAt(b []byte, off int64) (n int, err error) {
return 0, nil
}
func (f *File) WriteString(s string) (ret int, err error) {
return f.fd.Write([]byte(s))
}

129
vendor/github.com/spf13/afero/sftpfs/sftp.go generated vendored Normal file
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// Copyright © 2015 Jerry Jacobs <jerry.jacobs@xor-gate.org>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sftpfs
import (
"os"
"time"
"github.com/pkg/sftp"
"github.com/spf13/afero"
)
// Fs is a afero.Fs implementation that uses functions provided by the sftp package.
//
// For details in any method, check the documentation of the sftp package
// (github.com/pkg/sftp).
type Fs struct {
client *sftp.Client
}
func New(client *sftp.Client) afero.Fs {
return &Fs{client: client}
}
func (s Fs) Name() string { return "sftpfs" }
func (s Fs) Create(name string) (afero.File, error) {
return FileCreate(s.client, name)
}
func (s Fs) Mkdir(name string, perm os.FileMode) error {
err := s.client.Mkdir(name)
if err != nil {
return err
}
return s.client.Chmod(name, perm)
}
func (s Fs) MkdirAll(path string, perm os.FileMode) error {
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := s.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return err
}
// Slow path: make sure parent exists and then call Mkdir for path.
i := len(path)
for i > 0 && os.IsPathSeparator(path[i-1]) { // Skip trailing path separator.
i--
}
j := i
for j > 0 && !os.IsPathSeparator(path[j-1]) { // Scan backward over element.
j--
}
if j > 1 {
// Create parent
err = s.MkdirAll(path[0:j-1], perm)
if err != nil {
return err
}
}
// Parent now exists; invoke Mkdir and use its result.
err = s.Mkdir(path, perm)
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := s.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
return nil
}
func (s Fs) Open(name string) (afero.File, error) {
return FileOpen(s.client, name)
}
func (s Fs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error) {
return nil, nil
}
func (s Fs) Remove(name string) error {
return s.client.Remove(name)
}
func (s Fs) RemoveAll(path string) error {
// TODO have a look at os.RemoveAll
// https://github.com/golang/go/blob/master/src/os/path.go#L66
return nil
}
func (s Fs) Rename(oldname, newname string) error {
return s.client.Rename(oldname, newname)
}
func (s Fs) Stat(name string) (os.FileInfo, error) {
return s.client.Stat(name)
}
func (s Fs) Lstat(p string) (os.FileInfo, error) {
return s.client.Lstat(p)
}
func (s Fs) Chmod(name string, mode os.FileMode) error {
return s.client.Chmod(name, mode)
}
func (s Fs) Chtimes(name string, atime time.Time, mtime time.Time) error {
return s.client.Chtimes(name, atime, mtime)
}

274
vendor/github.com/spf13/afero/unionFile.go generated vendored Normal file
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package afero
import (
"io"
"os"
"path/filepath"
"syscall"
)
// The UnionFile implements the afero.File interface and will be returned
// when reading a directory present at least in the overlay or opening a file
// for writing.
//
// The calls to
// Readdir() and Readdirnames() merge the file os.FileInfo / names from the
// base and the overlay - for files present in both layers, only those
// from the overlay will be used.
//
// When opening files for writing (Create() / OpenFile() with the right flags)
// the operations will be done in both layers, starting with the overlay. A
// successful read in the overlay will move the cursor position in the base layer
// by the number of bytes read.
type UnionFile struct {
base File
layer File
off int
files []os.FileInfo
}
func (f *UnionFile) Close() error {
// first close base, so we have a newer timestamp in the overlay. If we'd close
// the overlay first, we'd get a cacheStale the next time we access this file
// -> cache would be useless ;-)
if f.base != nil {
f.base.Close()
}
if f.layer != nil {
return f.layer.Close()
}
return BADFD
}
func (f *UnionFile) Read(s []byte) (int, error) {
if f.layer != nil {
n, err := f.layer.Read(s)
if (err == nil || err == io.EOF) && f.base != nil {
// advance the file position also in the base file, the next
// call may be a write at this position (or a seek with SEEK_CUR)
if _, seekErr := f.base.Seek(int64(n), os.SEEK_CUR); seekErr != nil {
// only overwrite err in case the seek fails: we need to
// report an eventual io.EOF to the caller
err = seekErr
}
}
return n, err
}
if f.base != nil {
return f.base.Read(s)
}
return 0, BADFD
}
func (f *UnionFile) ReadAt(s []byte, o int64) (int, error) {
if f.layer != nil {
n, err := f.layer.ReadAt(s, o)
if (err == nil || err == io.EOF) && f.base != nil {
_, err = f.base.Seek(o+int64(n), os.SEEK_SET)
}
return n, err
}
if f.base != nil {
return f.base.ReadAt(s, o)
}
return 0, BADFD
}
func (f *UnionFile) Seek(o int64, w int) (pos int64, err error) {
if f.layer != nil {
pos, err = f.layer.Seek(o, w)
if (err == nil || err == io.EOF) && f.base != nil {
_, err = f.base.Seek(o, w)
}
return pos, err
}
if f.base != nil {
return f.base.Seek(o, w)
}
return 0, BADFD
}
func (f *UnionFile) Write(s []byte) (n int, err error) {
if f.layer != nil {
n, err = f.layer.Write(s)
if err == nil && f.base != nil { // hmm, do we have fixed size files where a write may hit the EOF mark?
_, err = f.base.Write(s)
}
return n, err
}
if f.base != nil {
return f.base.Write(s)
}
return 0, BADFD
}
func (f *UnionFile) WriteAt(s []byte, o int64) (n int, err error) {
if f.layer != nil {
n, err = f.layer.WriteAt(s, o)
if err == nil && f.base != nil {
_, err = f.base.WriteAt(s, o)
}
return n, err
}
if f.base != nil {
return f.base.WriteAt(s, o)
}
return 0, BADFD
}
func (f *UnionFile) Name() string {
if f.layer != nil {
return f.layer.Name()
}
return f.base.Name()
}
// Readdir will weave the two directories together and
// return a single view of the overlayed directories
func (f *UnionFile) Readdir(c int) (ofi []os.FileInfo, err error) {
if f.off == 0 {
var files = make(map[string]os.FileInfo)
var rfi []os.FileInfo
if f.layer != nil {
rfi, err = f.layer.Readdir(-1)
if err != nil {
return nil, err
}
for _, fi := range rfi {
files[fi.Name()] = fi
}
}
if f.base != nil {
rfi, err = f.base.Readdir(-1)
if err != nil {
return nil, err
}
for _, fi := range rfi {
if _, exists := files[fi.Name()]; !exists {
files[fi.Name()] = fi
}
}
}
for _, fi := range files {
f.files = append(f.files, fi)
}
}
if c == -1 {
return f.files[f.off:], nil
}
defer func() { f.off += c }()
return f.files[f.off:c], nil
}
func (f *UnionFile) Readdirnames(c int) ([]string, error) {
rfi, err := f.Readdir(c)
if err != nil {
return nil, err
}
var names []string
for _, fi := range rfi {
names = append(names, fi.Name())
}
return names, nil
}
func (f *UnionFile) Stat() (os.FileInfo, error) {
if f.layer != nil {
return f.layer.Stat()
}
if f.base != nil {
return f.base.Stat()
}
return nil, BADFD
}
func (f *UnionFile) Sync() (err error) {
if f.layer != nil {
err = f.layer.Sync()
if err == nil && f.base != nil {
err = f.base.Sync()
}
return err
}
if f.base != nil {
return f.base.Sync()
}
return BADFD
}
func (f *UnionFile) Truncate(s int64) (err error) {
if f.layer != nil {
err = f.layer.Truncate(s)
if err == nil && f.base != nil {
err = f.base.Truncate(s)
}
return err
}
if f.base != nil {
return f.base.Truncate(s)
}
return BADFD
}
func (f *UnionFile) WriteString(s string) (n int, err error) {
if f.layer != nil {
n, err = f.layer.WriteString(s)
if err == nil && f.base != nil {
_, err = f.base.WriteString(s)
}
return n, err
}
if f.base != nil {
return f.base.WriteString(s)
}
return 0, BADFD
}
func copyToLayer(base Fs, layer Fs, name string) error {
bfh, err := base.Open(name)
if err != nil {
return err
}
defer bfh.Close()
// First make sure the directory exists
exists, err := Exists(layer, filepath.Dir(name))
if err != nil {
return err
}
if !exists {
err = layer.MkdirAll(filepath.Dir(name), 0777) // FIXME?
if err != nil {
return err
}
}
// Create the file on the overlay
lfh, err := layer.Create(name)
if err != nil {
return err
}
n, err := io.Copy(lfh, bfh)
if err != nil {
// If anything fails, clean up the file
layer.Remove(name)
lfh.Close()
return err
}
bfi, err := bfh.Stat()
if err != nil || bfi.Size() != n {
layer.Remove(name)
lfh.Close()
return syscall.EIO
}
err = lfh.Close()
if err != nil {
layer.Remove(name)
lfh.Close()
return err
}
return layer.Chtimes(name, bfi.ModTime(), bfi.ModTime())
}

330
vendor/github.com/spf13/afero/util.go generated vendored Normal file
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// Copyright ©2015 Steve Francia <spf@spf13.com>
// Portions Copyright ©2015 The Hugo Authors
// Portions Copyright 2016-present Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package afero
import (
"bytes"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"unicode"
"golang.org/x/text/transform"
"golang.org/x/text/unicode/norm"
)
// Filepath separator defined by os.Separator.
const FilePathSeparator = string(filepath.Separator)
// Takes a reader and a path and writes the content
func (a Afero) WriteReader(path string, r io.Reader) (err error) {
return WriteReader(a.Fs, path, r)
}
func WriteReader(fs Fs, path string, r io.Reader) (err error) {
dir, _ := filepath.Split(path)
ospath := filepath.FromSlash(dir)
if ospath != "" {
err = fs.MkdirAll(ospath, 0777) // rwx, rw, r
if err != nil {
if err != os.ErrExist {
return err
}
}
}
file, err := fs.Create(path)
if err != nil {
return
}
defer file.Close()
_, err = io.Copy(file, r)
return
}
// Same as WriteReader but checks to see if file/directory already exists.
func (a Afero) SafeWriteReader(path string, r io.Reader) (err error) {
return SafeWriteReader(a.Fs, path, r)
}
func SafeWriteReader(fs Fs, path string, r io.Reader) (err error) {
dir, _ := filepath.Split(path)
ospath := filepath.FromSlash(dir)
if ospath != "" {
err = fs.MkdirAll(ospath, 0777) // rwx, rw, r
if err != nil {
return
}
}
exists, err := Exists(fs, path)
if err != nil {
return
}
if exists {
return fmt.Errorf("%v already exists", path)
}
file, err := fs.Create(path)
if err != nil {
return
}
defer file.Close()
_, err = io.Copy(file, r)
return
}
func (a Afero) GetTempDir(subPath string) string {
return GetTempDir(a.Fs, subPath)
}
// GetTempDir returns the default temp directory with trailing slash
// if subPath is not empty then it will be created recursively with mode 777 rwx rwx rwx
func GetTempDir(fs Fs, subPath string) string {
addSlash := func(p string) string {
if FilePathSeparator != p[len(p)-1:] {
p = p + FilePathSeparator
}
return p
}
dir := addSlash(os.TempDir())
if subPath != "" {
// preserve windows backslash :-(
if FilePathSeparator == "\\" {
subPath = strings.Replace(subPath, "\\", "____", -1)
}
dir = dir + UnicodeSanitize((subPath))
if FilePathSeparator == "\\" {
dir = strings.Replace(dir, "____", "\\", -1)
}
if exists, _ := Exists(fs, dir); exists {
return addSlash(dir)
}
err := fs.MkdirAll(dir, 0777)
if err != nil {
panic(err)
}
dir = addSlash(dir)
}
return dir
}
// Rewrite string to remove non-standard path characters
func UnicodeSanitize(s string) string {
source := []rune(s)
target := make([]rune, 0, len(source))
for _, r := range source {
if unicode.IsLetter(r) ||
unicode.IsDigit(r) ||
unicode.IsMark(r) ||
r == '.' ||
r == '/' ||
r == '\\' ||
r == '_' ||
r == '-' ||
r == '%' ||
r == ' ' ||
r == '#' {
target = append(target, r)
}
}
return string(target)
}
// Transform characters with accents into plain forms.
func NeuterAccents(s string) string {
t := transform.Chain(norm.NFD, transform.RemoveFunc(isMn), norm.NFC)
result, _, _ := transform.String(t, string(s))
return result
}
func isMn(r rune) bool {
return unicode.Is(unicode.Mn, r) // Mn: nonspacing marks
}
func (a Afero) FileContainsBytes(filename string, subslice []byte) (bool, error) {
return FileContainsBytes(a.Fs, filename, subslice)
}
// Check if a file contains a specified byte slice.
func FileContainsBytes(fs Fs, filename string, subslice []byte) (bool, error) {
f, err := fs.Open(filename)
if err != nil {
return false, err
}
defer f.Close()
return readerContainsAny(f, subslice), nil
}
func (a Afero) FileContainsAnyBytes(filename string, subslices [][]byte) (bool, error) {
return FileContainsAnyBytes(a.Fs, filename, subslices)
}
// Check if a file contains any of the specified byte slices.
func FileContainsAnyBytes(fs Fs, filename string, subslices [][]byte) (bool, error) {
f, err := fs.Open(filename)
if err != nil {
return false, err
}
defer f.Close()
return readerContainsAny(f, subslices...), nil
}
// readerContains reports whether any of the subslices is within r.
func readerContainsAny(r io.Reader, subslices ...[]byte) bool {
if r == nil || len(subslices) == 0 {
return false
}
largestSlice := 0
for _, sl := range subslices {
if len(sl) > largestSlice {
largestSlice = len(sl)
}
}
if largestSlice == 0 {
return false
}
bufflen := largestSlice * 4
halflen := bufflen / 2
buff := make([]byte, bufflen)
var err error
var n, i int
for {
i++
if i == 1 {
n, err = io.ReadAtLeast(r, buff[:halflen], halflen)
} else {
if i != 2 {
// shift left to catch overlapping matches
copy(buff[:], buff[halflen:])
}
n, err = io.ReadAtLeast(r, buff[halflen:], halflen)
}
if n > 0 {
for _, sl := range subslices {
if bytes.Contains(buff, sl) {
return true
}
}
}
if err != nil {
break
}
}
return false
}
func (a Afero) DirExists(path string) (bool, error) {
return DirExists(a.Fs, path)
}
// DirExists checks if a path exists and is a directory.
func DirExists(fs Fs, path string) (bool, error) {
fi, err := fs.Stat(path)
if err == nil && fi.IsDir() {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
func (a Afero) IsDir(path string) (bool, error) {
return IsDir(a.Fs, path)
}
// IsDir checks if a given path is a directory.
func IsDir(fs Fs, path string) (bool, error) {
fi, err := fs.Stat(path)
if err != nil {
return false, err
}
return fi.IsDir(), nil
}
func (a Afero) IsEmpty(path string) (bool, error) {
return IsEmpty(a.Fs, path)
}
// IsEmpty checks if a given file or directory is empty.
func IsEmpty(fs Fs, path string) (bool, error) {
if b, _ := Exists(fs, path); !b {
return false, fmt.Errorf("%q path does not exist", path)
}
fi, err := fs.Stat(path)
if err != nil {
return false, err
}
if fi.IsDir() {
f, err := fs.Open(path)
if err != nil {
return false, err
}
defer f.Close()
list, err := f.Readdir(-1)
return len(list) == 0, nil
}
return fi.Size() == 0, nil
}
func (a Afero) Exists(path string) (bool, error) {
return Exists(a.Fs, path)
}
// Check if a file or directory exists.
func Exists(fs Fs, path string) (bool, error) {
_, err := fs.Stat(path)
if err == nil {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
func FullBaseFsPath(basePathFs *BasePathFs, relativePath string) string {
combinedPath := filepath.Join(basePathFs.path, relativePath)
if parent, ok := basePathFs.source.(*BasePathFs); ok {
return FullBaseFsPath(parent, combinedPath)
}
return combinedPath
}

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vendor/github.com/spf13/cast/LICENSE generated vendored Normal file
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The MIT License (MIT)
Copyright (c) 2014 Steve Francia
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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// Copyright © 2014 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// Package cast provides easy and safe casting in Go.
package cast
import "time"
// ToBool casts an interface to a bool type.
func ToBool(i interface{}) bool {
v, _ := ToBoolE(i)
return v
}
// ToTime casts an interface to a time.Time type.
func ToTime(i interface{}) time.Time {
v, _ := ToTimeE(i)
return v
}
// ToDuration casts an interface to a time.Duration type.
func ToDuration(i interface{}) time.Duration {
v, _ := ToDurationE(i)
return v
}
// ToFloat64 casts an interface to a float64 type.
func ToFloat64(i interface{}) float64 {
v, _ := ToFloat64E(i)
return v
}
// ToFloat32 casts an interface to a float32 type.
func ToFloat32(i interface{}) float32 {
v, _ := ToFloat32E(i)
return v
}
// ToInt64 casts an interface to an int64 type.
func ToInt64(i interface{}) int64 {
v, _ := ToInt64E(i)
return v
}
// ToInt32 casts an interface to an int32 type.
func ToInt32(i interface{}) int32 {
v, _ := ToInt32E(i)
return v
}
// ToInt16 casts an interface to an int16 type.
func ToInt16(i interface{}) int16 {
v, _ := ToInt16E(i)
return v
}
// ToInt8 casts an interface to an int8 type.
func ToInt8(i interface{}) int8 {
v, _ := ToInt8E(i)
return v
}
// ToInt casts an interface to an int type.
func ToInt(i interface{}) int {
v, _ := ToIntE(i)
return v
}
// ToUint casts an interface to a uint type.
func ToUint(i interface{}) uint {
v, _ := ToUintE(i)
return v
}
// ToUint64 casts an interface to a uint64 type.
func ToUint64(i interface{}) uint64 {
v, _ := ToUint64E(i)
return v
}
// ToUint32 casts an interface to a uint32 type.
func ToUint32(i interface{}) uint32 {
v, _ := ToUint32E(i)
return v
}
// ToUint16 casts an interface to a uint16 type.
func ToUint16(i interface{}) uint16 {
v, _ := ToUint16E(i)
return v
}
// ToUint8 casts an interface to a uint8 type.
func ToUint8(i interface{}) uint8 {
v, _ := ToUint8E(i)
return v
}
// ToString casts an interface to a string type.
func ToString(i interface{}) string {
v, _ := ToStringE(i)
return v
}
// ToStringMapString casts an interface to a map[string]string type.
func ToStringMapString(i interface{}) map[string]string {
v, _ := ToStringMapStringE(i)
return v
}
// ToStringMapStringSlice casts an interface to a map[string][]string type.
func ToStringMapStringSlice(i interface{}) map[string][]string {
v, _ := ToStringMapStringSliceE(i)
return v
}
// ToStringMapBool casts an interface to a map[string]bool type.
func ToStringMapBool(i interface{}) map[string]bool {
v, _ := ToStringMapBoolE(i)
return v
}
// ToStringMap casts an interface to a map[string]interface{} type.
func ToStringMap(i interface{}) map[string]interface{} {
v, _ := ToStringMapE(i)
return v
}
// ToSlice casts an interface to a []interface{} type.
func ToSlice(i interface{}) []interface{} {
v, _ := ToSliceE(i)
return v
}
// ToBoolSlice casts an interface to a []bool type.
func ToBoolSlice(i interface{}) []bool {
v, _ := ToBoolSliceE(i)
return v
}
// ToStringSlice casts an interface to a []string type.
func ToStringSlice(i interface{}) []string {
v, _ := ToStringSliceE(i)
return v
}
// ToIntSlice casts an interface to a []int type.
func ToIntSlice(i interface{}) []int {
v, _ := ToIntSliceE(i)
return v
}
// ToDurationSlice casts an interface to a []time.Duration type.
func ToDurationSlice(i interface{}) []time.Duration {
v, _ := ToDurationSliceE(i)
return v
}

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vendor/github.com/spf13/cast/caste.go generated vendored Normal file
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21
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The MIT License (MIT)
Copyright (c) 2014 Steve Francia
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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vendor/github.com/spf13/jwalterweatherman/default_notepad.go generated vendored Normal file
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// Copyright © 2016 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package jwalterweatherman
import (
"io"
"io/ioutil"
"log"
"os"
)
var (
TRACE *log.Logger
DEBUG *log.Logger
INFO *log.Logger
WARN *log.Logger
ERROR *log.Logger
CRITICAL *log.Logger
FATAL *log.Logger
LOG *log.Logger
FEEDBACK *Feedback
defaultNotepad *Notepad
)
func reloadDefaultNotepad() {
TRACE = defaultNotepad.TRACE
DEBUG = defaultNotepad.DEBUG
INFO = defaultNotepad.INFO
WARN = defaultNotepad.WARN
ERROR = defaultNotepad.ERROR
CRITICAL = defaultNotepad.CRITICAL
FATAL = defaultNotepad.FATAL
LOG = defaultNotepad.LOG
FEEDBACK = defaultNotepad.FEEDBACK
}
func init() {
defaultNotepad = NewNotepad(LevelError, LevelWarn, os.Stdout, ioutil.Discard, "", log.Ldate|log.Ltime)
reloadDefaultNotepad()
}
// SetLogThreshold set the log threshold for the default notepad. Trace by default.
func SetLogThreshold(threshold Threshold) {
defaultNotepad.SetLogThreshold(threshold)
reloadDefaultNotepad()
}
// SetLogOutput set the log output for the default notepad. Discarded by default.
func SetLogOutput(handle io.Writer) {
defaultNotepad.SetLogOutput(handle)
reloadDefaultNotepad()
}
// SetStdoutThreshold set the standard output threshold for the default notepad.
// Info by default.
func SetStdoutThreshold(threshold Threshold) {
defaultNotepad.SetStdoutThreshold(threshold)
reloadDefaultNotepad()
}
// SetPrefix set the prefix for the default logger. Empty by default.
func SetPrefix(prefix string) {
defaultNotepad.SetPrefix(prefix)
reloadDefaultNotepad()
}
// SetFlags set the flags for the default logger. "log.Ldate | log.Ltime" by default.
func SetFlags(flags int) {
defaultNotepad.SetFlags(flags)
reloadDefaultNotepad()
}
// Level returns the current global log threshold.
func LogThreshold() Threshold {
return defaultNotepad.logThreshold
}
// Level returns the current global output threshold.
func StdoutThreshold() Threshold {
return defaultNotepad.stdoutThreshold
}
// GetStdoutThreshold returns the defined Treshold for the log logger.
func GetLogThreshold() Threshold {
return defaultNotepad.GetLogThreshold()
}
// GetStdoutThreshold returns the Treshold for the stdout logger.
func GetStdoutThreshold() Threshold {
return defaultNotepad.GetStdoutThreshold()
}
// LogCountForLevel returns the number of log invocations for a given threshold.
func LogCountForLevel(l Threshold) uint64 {
return defaultNotepad.LogCountForLevel(l)
}
// LogCountForLevelsGreaterThanorEqualTo returns the number of log invocations
// greater than or equal to a given threshold.
func LogCountForLevelsGreaterThanorEqualTo(threshold Threshold) uint64 {
return defaultNotepad.LogCountForLevelsGreaterThanorEqualTo(threshold)
}
// ResetLogCounters resets the invocation counters for all levels.
func ResetLogCounters() {
defaultNotepad.ResetLogCounters()
}

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// Copyright © 2016 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package jwalterweatherman
import (
"sync/atomic"
)
type logCounter struct {
counter uint64
}
func (c *logCounter) incr() {
atomic.AddUint64(&c.counter, 1)
}
func (c *logCounter) resetCounter() {
atomic.StoreUint64(&c.counter, 0)
}
func (c *logCounter) getCount() uint64 {
return atomic.LoadUint64(&c.counter)
}
func (c *logCounter) Write(p []byte) (n int, err error) {
c.incr()
return len(p), nil
}
// LogCountForLevel returns the number of log invocations for a given threshold.
func (n *Notepad) LogCountForLevel(l Threshold) uint64 {
return n.logCounters[l].getCount()
}
// LogCountForLevelsGreaterThanorEqualTo returns the number of log invocations
// greater than or equal to a given threshold.
func (n *Notepad) LogCountForLevelsGreaterThanorEqualTo(threshold Threshold) uint64 {
var cnt uint64
for i := int(threshold); i < len(n.logCounters); i++ {
cnt += n.LogCountForLevel(Threshold(i))
}
return cnt
}
// ResetLogCounters resets the invocation counters for all levels.
func (n *Notepad) ResetLogCounters() {
for _, np := range n.logCounters {
np.resetCounter()
}
}

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// Copyright © 2016 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package jwalterweatherman
import (
"fmt"
"io"
"log"
)
type Threshold int
func (t Threshold) String() string {
return prefixes[t]
}
const (
LevelTrace Threshold = iota
LevelDebug
LevelInfo
LevelWarn
LevelError
LevelCritical
LevelFatal
)
var prefixes map[Threshold]string = map[Threshold]string{
LevelTrace: "TRACE",
LevelDebug: "DEBUG",
LevelInfo: "INFO",
LevelWarn: "WARN",
LevelError: "ERROR",
LevelCritical: "CRITICAL",
LevelFatal: "FATAL",
}
// Notepad is where you leave a note!
type Notepad struct {
TRACE *log.Logger
DEBUG *log.Logger
INFO *log.Logger
WARN *log.Logger
ERROR *log.Logger
CRITICAL *log.Logger
FATAL *log.Logger
LOG *log.Logger
FEEDBACK *Feedback
loggers [7]**log.Logger
logHandle io.Writer
outHandle io.Writer
logThreshold Threshold
stdoutThreshold Threshold
prefix string
flags int
// One per Threshold
logCounters [7]*logCounter
}
// NewNotepad create a new notepad.
func NewNotepad(outThreshold Threshold, logThreshold Threshold, outHandle, logHandle io.Writer, prefix string, flags int) *Notepad {
n := &Notepad{}
n.loggers = [7]**log.Logger{&n.TRACE, &n.DEBUG, &n.INFO, &n.WARN, &n.ERROR, &n.CRITICAL, &n.FATAL}
n.outHandle = outHandle
n.logHandle = logHandle
n.stdoutThreshold = outThreshold
n.logThreshold = logThreshold
if len(prefix) != 0 {
n.prefix = "[" + prefix + "] "
} else {
n.prefix = ""
}
n.flags = flags
n.LOG = log.New(n.logHandle,
"LOG: ",
n.flags)
n.FEEDBACK = &Feedback{out: log.New(outHandle, "", 0), log: n.LOG}
n.init()
return n
}
// init creates the loggers for each level depending on the notepad thresholds.
func (n *Notepad) init() {
logAndOut := io.MultiWriter(n.outHandle, n.logHandle)
for t, logger := range n.loggers {
threshold := Threshold(t)
counter := &logCounter{}
n.logCounters[t] = counter
prefix := n.prefix + threshold.String() + " "
switch {
case threshold >= n.logThreshold && threshold >= n.stdoutThreshold:
*logger = log.New(io.MultiWriter(counter, logAndOut), prefix, n.flags)
case threshold >= n.logThreshold:
*logger = log.New(io.MultiWriter(counter, n.logHandle), prefix, n.flags)
case threshold >= n.stdoutThreshold:
*logger = log.New(io.MultiWriter(counter, n.outHandle), prefix, n.flags)
default:
// counter doesn't care about prefix and flags, so don't use them
// for performance.
*logger = log.New(counter, "", 0)
}
}
}
// SetLogThreshold changes the threshold above which messages are written to the
// log file.
func (n *Notepad) SetLogThreshold(threshold Threshold) {
n.logThreshold = threshold
n.init()
}
// SetLogOutput changes the file where log messages are written.
func (n *Notepad) SetLogOutput(handle io.Writer) {
n.logHandle = handle
n.init()
}
// GetStdoutThreshold returns the defined Treshold for the log logger.
func (n *Notepad) GetLogThreshold() Threshold {
return n.logThreshold
}
// SetStdoutThreshold changes the threshold above which messages are written to the
// standard output.
func (n *Notepad) SetStdoutThreshold(threshold Threshold) {
n.stdoutThreshold = threshold
n.init()
}
// GetStdoutThreshold returns the Treshold for the stdout logger.
func (n *Notepad) GetStdoutThreshold() Threshold {
return n.stdoutThreshold
}
// SetPrefix changes the prefix used by the notepad. Prefixes are displayed between
// brackets at the beginning of the line. An empty prefix won't be displayed at all.
func (n *Notepad) SetPrefix(prefix string) {
if len(prefix) != 0 {
n.prefix = "[" + prefix + "] "
} else {
n.prefix = ""
}
n.init()
}
// SetFlags choose which flags the logger will display (after prefix and message
// level). See the package log for more informations on this.
func (n *Notepad) SetFlags(flags int) {
n.flags = flags
n.init()
}
// Feedback writes plainly to the outHandle while
// logging with the standard extra information (date, file, etc).
type Feedback struct {
out *log.Logger
log *log.Logger
}
func (fb *Feedback) Println(v ...interface{}) {
fb.output(fmt.Sprintln(v...))
}
func (fb *Feedback) Printf(format string, v ...interface{}) {
fb.output(fmt.Sprintf(format, v...))
}
func (fb *Feedback) Print(v ...interface{}) {
fb.output(fmt.Sprint(v...))
}
func (fb *Feedback) output(s string) {
if fb.out != nil {
fb.out.Output(2, s)
}
if fb.log != nil {
fb.log.Output(2, s)
}
}

28
vendor/github.com/spf13/pflag/LICENSE generated vendored Normal file
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Copyright (c) 2012 Alex Ogier. All rights reserved.
Copyright (c) 2012 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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vendor/github.com/spf13/pflag/bool.go generated vendored Normal file
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package pflag
import "strconv"
// optional interface to indicate boolean flags that can be
// supplied without "=value" text
type boolFlag interface {
Value
IsBoolFlag() bool
}
// -- bool Value
type boolValue bool
func newBoolValue(val bool, p *bool) *boolValue {
*p = val
return (*boolValue)(p)
}
func (b *boolValue) Set(s string) error {
v, err := strconv.ParseBool(s)
*b = boolValue(v)
return err
}
func (b *boolValue) Type() string {
return "bool"
}
func (b *boolValue) String() string { return strconv.FormatBool(bool(*b)) }
func (b *boolValue) IsBoolFlag() bool { return true }
func boolConv(sval string) (interface{}, error) {
return strconv.ParseBool(sval)
}
// GetBool return the bool value of a flag with the given name
func (f *FlagSet) GetBool(name string) (bool, error) {
val, err := f.getFlagType(name, "bool", boolConv)
if err != nil {
return false, err
}
return val.(bool), nil
}
// BoolVar defines a bool flag with specified name, default value, and usage string.
// The argument p points to a bool variable in which to store the value of the flag.
func (f *FlagSet) BoolVar(p *bool, name string, value bool, usage string) {
f.BoolVarP(p, name, "", value, usage)
}
// BoolVarP is like BoolVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) BoolVarP(p *bool, name, shorthand string, value bool, usage string) {
flag := f.VarPF(newBoolValue(value, p), name, shorthand, usage)
flag.NoOptDefVal = "true"
}
// BoolVar defines a bool flag with specified name, default value, and usage string.
// The argument p points to a bool variable in which to store the value of the flag.
func BoolVar(p *bool, name string, value bool, usage string) {
BoolVarP(p, name, "", value, usage)
}
// BoolVarP is like BoolVar, but accepts a shorthand letter that can be used after a single dash.
func BoolVarP(p *bool, name, shorthand string, value bool, usage string) {
flag := CommandLine.VarPF(newBoolValue(value, p), name, shorthand, usage)
flag.NoOptDefVal = "true"
}
// Bool defines a bool flag with specified name, default value, and usage string.
// The return value is the address of a bool variable that stores the value of the flag.
func (f *FlagSet) Bool(name string, value bool, usage string) *bool {
return f.BoolP(name, "", value, usage)
}
// BoolP is like Bool, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) BoolP(name, shorthand string, value bool, usage string) *bool {
p := new(bool)
f.BoolVarP(p, name, shorthand, value, usage)
return p
}
// Bool defines a bool flag with specified name, default value, and usage string.
// The return value is the address of a bool variable that stores the value of the flag.
func Bool(name string, value bool, usage string) *bool {
return BoolP(name, "", value, usage)
}
// BoolP is like Bool, but accepts a shorthand letter that can be used after a single dash.
func BoolP(name, shorthand string, value bool, usage string) *bool {
b := CommandLine.BoolP(name, shorthand, value, usage)
return b
}

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package pflag
import (
"io"
"strconv"
"strings"
)
// -- boolSlice Value
type boolSliceValue struct {
value *[]bool
changed bool
}
func newBoolSliceValue(val []bool, p *[]bool) *boolSliceValue {
bsv := new(boolSliceValue)
bsv.value = p
*bsv.value = val
return bsv
}
// Set converts, and assigns, the comma-separated boolean argument string representation as the []bool value of this flag.
// If Set is called on a flag that already has a []bool assigned, the newly converted values will be appended.
func (s *boolSliceValue) Set(val string) error {
// remove all quote characters
rmQuote := strings.NewReplacer(`"`, "", `'`, "", "`", "")
// read flag arguments with CSV parser
boolStrSlice, err := readAsCSV(rmQuote.Replace(val))
if err != nil && err != io.EOF {
return err
}
// parse boolean values into slice
out := make([]bool, 0, len(boolStrSlice))
for _, boolStr := range boolStrSlice {
b, err := strconv.ParseBool(strings.TrimSpace(boolStr))
if err != nil {
return err
}
out = append(out, b)
}
if !s.changed {
*s.value = out
} else {
*s.value = append(*s.value, out...)
}
s.changed = true
return nil
}
// Type returns a string that uniquely represents this flag's type.
func (s *boolSliceValue) Type() string {
return "boolSlice"
}
// String defines a "native" format for this boolean slice flag value.
func (s *boolSliceValue) String() string {
boolStrSlice := make([]string, len(*s.value))
for i, b := range *s.value {
boolStrSlice[i] = strconv.FormatBool(b)
}
out, _ := writeAsCSV(boolStrSlice)
return "[" + out + "]"
}
func boolSliceConv(val string) (interface{}, error) {
val = strings.Trim(val, "[]")
// Empty string would cause a slice with one (empty) entry
if len(val) == 0 {
return []bool{}, nil
}
ss := strings.Split(val, ",")
out := make([]bool, len(ss))
for i, t := range ss {
var err error
out[i], err = strconv.ParseBool(t)
if err != nil {
return nil, err
}
}
return out, nil
}
// GetBoolSlice returns the []bool value of a flag with the given name.
func (f *FlagSet) GetBoolSlice(name string) ([]bool, error) {
val, err := f.getFlagType(name, "boolSlice", boolSliceConv)
if err != nil {
return []bool{}, err
}
return val.([]bool), nil
}
// BoolSliceVar defines a boolSlice flag with specified name, default value, and usage string.
// The argument p points to a []bool variable in which to store the value of the flag.
func (f *FlagSet) BoolSliceVar(p *[]bool, name string, value []bool, usage string) {
f.VarP(newBoolSliceValue(value, p), name, "", usage)
}
// BoolSliceVarP is like BoolSliceVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) BoolSliceVarP(p *[]bool, name, shorthand string, value []bool, usage string) {
f.VarP(newBoolSliceValue(value, p), name, shorthand, usage)
}
// BoolSliceVar defines a []bool flag with specified name, default value, and usage string.
// The argument p points to a []bool variable in which to store the value of the flag.
func BoolSliceVar(p *[]bool, name string, value []bool, usage string) {
CommandLine.VarP(newBoolSliceValue(value, p), name, "", usage)
}
// BoolSliceVarP is like BoolSliceVar, but accepts a shorthand letter that can be used after a single dash.
func BoolSliceVarP(p *[]bool, name, shorthand string, value []bool, usage string) {
CommandLine.VarP(newBoolSliceValue(value, p), name, shorthand, usage)
}
// BoolSlice defines a []bool flag with specified name, default value, and usage string.
// The return value is the address of a []bool variable that stores the value of the flag.
func (f *FlagSet) BoolSlice(name string, value []bool, usage string) *[]bool {
p := []bool{}
f.BoolSliceVarP(&p, name, "", value, usage)
return &p
}
// BoolSliceP is like BoolSlice, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) BoolSliceP(name, shorthand string, value []bool, usage string) *[]bool {
p := []bool{}
f.BoolSliceVarP(&p, name, shorthand, value, usage)
return &p
}
// BoolSlice defines a []bool flag with specified name, default value, and usage string.
// The return value is the address of a []bool variable that stores the value of the flag.
func BoolSlice(name string, value []bool, usage string) *[]bool {
return CommandLine.BoolSliceP(name, "", value, usage)
}
// BoolSliceP is like BoolSlice, but accepts a shorthand letter that can be used after a single dash.
func BoolSliceP(name, shorthand string, value []bool, usage string) *[]bool {
return CommandLine.BoolSliceP(name, shorthand, value, usage)
}

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package pflag
import "strconv"
// -- count Value
type countValue int
func newCountValue(val int, p *int) *countValue {
*p = val
return (*countValue)(p)
}
func (i *countValue) Set(s string) error {
// "+1" means that no specific value was passed, so increment
if s == "+1" {
*i = countValue(*i + 1)
return nil
}
v, err := strconv.ParseInt(s, 0, 0)
*i = countValue(v)
return err
}
func (i *countValue) Type() string {
return "count"
}
func (i *countValue) String() string { return strconv.Itoa(int(*i)) }
func countConv(sval string) (interface{}, error) {
i, err := strconv.Atoi(sval)
if err != nil {
return nil, err
}
return i, nil
}
// GetCount return the int value of a flag with the given name
func (f *FlagSet) GetCount(name string) (int, error) {
val, err := f.getFlagType(name, "count", countConv)
if err != nil {
return 0, err
}
return val.(int), nil
}
// CountVar defines a count flag with specified name, default value, and usage string.
// The argument p points to an int variable in which to store the value of the flag.
// A count flag will add 1 to its value evey time it is found on the command line
func (f *FlagSet) CountVar(p *int, name string, usage string) {
f.CountVarP(p, name, "", usage)
}
// CountVarP is like CountVar only take a shorthand for the flag name.
func (f *FlagSet) CountVarP(p *int, name, shorthand string, usage string) {
flag := f.VarPF(newCountValue(0, p), name, shorthand, usage)
flag.NoOptDefVal = "+1"
}
// CountVar like CountVar only the flag is placed on the CommandLine instead of a given flag set
func CountVar(p *int, name string, usage string) {
CommandLine.CountVar(p, name, usage)
}
// CountVarP is like CountVar only take a shorthand for the flag name.
func CountVarP(p *int, name, shorthand string, usage string) {
CommandLine.CountVarP(p, name, shorthand, usage)
}
// Count defines a count flag with specified name, default value, and usage string.
// The return value is the address of an int variable that stores the value of the flag.
// A count flag will add 1 to its value evey time it is found on the command line
func (f *FlagSet) Count(name string, usage string) *int {
p := new(int)
f.CountVarP(p, name, "", usage)
return p
}
// CountP is like Count only takes a shorthand for the flag name.
func (f *FlagSet) CountP(name, shorthand string, usage string) *int {
p := new(int)
f.CountVarP(p, name, shorthand, usage)
return p
}
// Count defines a count flag with specified name, default value, and usage string.
// The return value is the address of an int variable that stores the value of the flag.
// A count flag will add 1 to its value evey time it is found on the command line
func Count(name string, usage string) *int {
return CommandLine.CountP(name, "", usage)
}
// CountP is like Count only takes a shorthand for the flag name.
func CountP(name, shorthand string, usage string) *int {
return CommandLine.CountP(name, shorthand, usage)
}

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vendor/github.com/spf13/pflag/duration.go generated vendored Normal file
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package pflag
import (
"time"
)
// -- time.Duration Value
type durationValue time.Duration
func newDurationValue(val time.Duration, p *time.Duration) *durationValue {
*p = val
return (*durationValue)(p)
}
func (d *durationValue) Set(s string) error {
v, err := time.ParseDuration(s)
*d = durationValue(v)
return err
}
func (d *durationValue) Type() string {
return "duration"
}
func (d *durationValue) String() string { return (*time.Duration)(d).String() }
func durationConv(sval string) (interface{}, error) {
return time.ParseDuration(sval)
}
// GetDuration return the duration value of a flag with the given name
func (f *FlagSet) GetDuration(name string) (time.Duration, error) {
val, err := f.getFlagType(name, "duration", durationConv)
if err != nil {
return 0, err
}
return val.(time.Duration), nil
}
// DurationVar defines a time.Duration flag with specified name, default value, and usage string.
// The argument p points to a time.Duration variable in which to store the value of the flag.
func (f *FlagSet) DurationVar(p *time.Duration, name string, value time.Duration, usage string) {
f.VarP(newDurationValue(value, p), name, "", usage)
}
// DurationVarP is like DurationVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) DurationVarP(p *time.Duration, name, shorthand string, value time.Duration, usage string) {
f.VarP(newDurationValue(value, p), name, shorthand, usage)
}
// DurationVar defines a time.Duration flag with specified name, default value, and usage string.
// The argument p points to a time.Duration variable in which to store the value of the flag.
func DurationVar(p *time.Duration, name string, value time.Duration, usage string) {
CommandLine.VarP(newDurationValue(value, p), name, "", usage)
}
// DurationVarP is like DurationVar, but accepts a shorthand letter that can be used after a single dash.
func DurationVarP(p *time.Duration, name, shorthand string, value time.Duration, usage string) {
CommandLine.VarP(newDurationValue(value, p), name, shorthand, usage)
}
// Duration defines a time.Duration flag with specified name, default value, and usage string.
// The return value is the address of a time.Duration variable that stores the value of the flag.
func (f *FlagSet) Duration(name string, value time.Duration, usage string) *time.Duration {
p := new(time.Duration)
f.DurationVarP(p, name, "", value, usage)
return p
}
// DurationP is like Duration, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) DurationP(name, shorthand string, value time.Duration, usage string) *time.Duration {
p := new(time.Duration)
f.DurationVarP(p, name, shorthand, value, usage)
return p
}
// Duration defines a time.Duration flag with specified name, default value, and usage string.
// The return value is the address of a time.Duration variable that stores the value of the flag.
func Duration(name string, value time.Duration, usage string) *time.Duration {
return CommandLine.DurationP(name, "", value, usage)
}
// DurationP is like Duration, but accepts a shorthand letter that can be used after a single dash.
func DurationP(name, shorthand string, value time.Duration, usage string) *time.Duration {
return CommandLine.DurationP(name, shorthand, value, usage)
}

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package pflag
import (
"fmt"
"strings"
"time"
)
// -- durationSlice Value
type durationSliceValue struct {
value *[]time.Duration
changed bool
}
func newDurationSliceValue(val []time.Duration, p *[]time.Duration) *durationSliceValue {
dsv := new(durationSliceValue)
dsv.value = p
*dsv.value = val
return dsv
}
func (s *durationSliceValue) Set(val string) error {
ss := strings.Split(val, ",")
out := make([]time.Duration, len(ss))
for i, d := range ss {
var err error
out[i], err = time.ParseDuration(d)
if err != nil {
return err
}
}
if !s.changed {
*s.value = out
} else {
*s.value = append(*s.value, out...)
}
s.changed = true
return nil
}
func (s *durationSliceValue) Type() string {
return "durationSlice"
}
func (s *durationSliceValue) String() string {
out := make([]string, len(*s.value))
for i, d := range *s.value {
out[i] = fmt.Sprintf("%s", d)
}
return "[" + strings.Join(out, ",") + "]"
}
func durationSliceConv(val string) (interface{}, error) {
val = strings.Trim(val, "[]")
// Empty string would cause a slice with one (empty) entry
if len(val) == 0 {
return []time.Duration{}, nil
}
ss := strings.Split(val, ",")
out := make([]time.Duration, len(ss))
for i, d := range ss {
var err error
out[i], err = time.ParseDuration(d)
if err != nil {
return nil, err
}
}
return out, nil
}
// GetDurationSlice returns the []time.Duration value of a flag with the given name
func (f *FlagSet) GetDurationSlice(name string) ([]time.Duration, error) {
val, err := f.getFlagType(name, "durationSlice", durationSliceConv)
if err != nil {
return []time.Duration{}, err
}
return val.([]time.Duration), nil
}
// DurationSliceVar defines a durationSlice flag with specified name, default value, and usage string.
// The argument p points to a []time.Duration variable in which to store the value of the flag.
func (f *FlagSet) DurationSliceVar(p *[]time.Duration, name string, value []time.Duration, usage string) {
f.VarP(newDurationSliceValue(value, p), name, "", usage)
}
// DurationSliceVarP is like DurationSliceVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) DurationSliceVarP(p *[]time.Duration, name, shorthand string, value []time.Duration, usage string) {
f.VarP(newDurationSliceValue(value, p), name, shorthand, usage)
}
// DurationSliceVar defines a duration[] flag with specified name, default value, and usage string.
// The argument p points to a duration[] variable in which to store the value of the flag.
func DurationSliceVar(p *[]time.Duration, name string, value []time.Duration, usage string) {
CommandLine.VarP(newDurationSliceValue(value, p), name, "", usage)
}
// DurationSliceVarP is like DurationSliceVar, but accepts a shorthand letter that can be used after a single dash.
func DurationSliceVarP(p *[]time.Duration, name, shorthand string, value []time.Duration, usage string) {
CommandLine.VarP(newDurationSliceValue(value, p), name, shorthand, usage)
}
// DurationSlice defines a []time.Duration flag with specified name, default value, and usage string.
// The return value is the address of a []time.Duration variable that stores the value of the flag.
func (f *FlagSet) DurationSlice(name string, value []time.Duration, usage string) *[]time.Duration {
p := []time.Duration{}
f.DurationSliceVarP(&p, name, "", value, usage)
return &p
}
// DurationSliceP is like DurationSlice, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) DurationSliceP(name, shorthand string, value []time.Duration, usage string) *[]time.Duration {
p := []time.Duration{}
f.DurationSliceVarP(&p, name, shorthand, value, usage)
return &p
}
// DurationSlice defines a []time.Duration flag with specified name, default value, and usage string.
// The return value is the address of a []time.Duration variable that stores the value of the flag.
func DurationSlice(name string, value []time.Duration, usage string) *[]time.Duration {
return CommandLine.DurationSliceP(name, "", value, usage)
}
// DurationSliceP is like DurationSlice, but accepts a shorthand letter that can be used after a single dash.
func DurationSliceP(name, shorthand string, value []time.Duration, usage string) *[]time.Duration {
return CommandLine.DurationSliceP(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/float32.go generated vendored Normal file
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package pflag
import "strconv"
// -- float32 Value
type float32Value float32
func newFloat32Value(val float32, p *float32) *float32Value {
*p = val
return (*float32Value)(p)
}
func (f *float32Value) Set(s string) error {
v, err := strconv.ParseFloat(s, 32)
*f = float32Value(v)
return err
}
func (f *float32Value) Type() string {
return "float32"
}
func (f *float32Value) String() string { return strconv.FormatFloat(float64(*f), 'g', -1, 32) }
func float32Conv(sval string) (interface{}, error) {
v, err := strconv.ParseFloat(sval, 32)
if err != nil {
return 0, err
}
return float32(v), nil
}
// GetFloat32 return the float32 value of a flag with the given name
func (f *FlagSet) GetFloat32(name string) (float32, error) {
val, err := f.getFlagType(name, "float32", float32Conv)
if err != nil {
return 0, err
}
return val.(float32), nil
}
// Float32Var defines a float32 flag with specified name, default value, and usage string.
// The argument p points to a float32 variable in which to store the value of the flag.
func (f *FlagSet) Float32Var(p *float32, name string, value float32, usage string) {
f.VarP(newFloat32Value(value, p), name, "", usage)
}
// Float32VarP is like Float32Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Float32VarP(p *float32, name, shorthand string, value float32, usage string) {
f.VarP(newFloat32Value(value, p), name, shorthand, usage)
}
// Float32Var defines a float32 flag with specified name, default value, and usage string.
// The argument p points to a float32 variable in which to store the value of the flag.
func Float32Var(p *float32, name string, value float32, usage string) {
CommandLine.VarP(newFloat32Value(value, p), name, "", usage)
}
// Float32VarP is like Float32Var, but accepts a shorthand letter that can be used after a single dash.
func Float32VarP(p *float32, name, shorthand string, value float32, usage string) {
CommandLine.VarP(newFloat32Value(value, p), name, shorthand, usage)
}
// Float32 defines a float32 flag with specified name, default value, and usage string.
// The return value is the address of a float32 variable that stores the value of the flag.
func (f *FlagSet) Float32(name string, value float32, usage string) *float32 {
p := new(float32)
f.Float32VarP(p, name, "", value, usage)
return p
}
// Float32P is like Float32, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Float32P(name, shorthand string, value float32, usage string) *float32 {
p := new(float32)
f.Float32VarP(p, name, shorthand, value, usage)
return p
}
// Float32 defines a float32 flag with specified name, default value, and usage string.
// The return value is the address of a float32 variable that stores the value of the flag.
func Float32(name string, value float32, usage string) *float32 {
return CommandLine.Float32P(name, "", value, usage)
}
// Float32P is like Float32, but accepts a shorthand letter that can be used after a single dash.
func Float32P(name, shorthand string, value float32, usage string) *float32 {
return CommandLine.Float32P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/float64.go generated vendored Normal file
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package pflag
import "strconv"
// -- float64 Value
type float64Value float64
func newFloat64Value(val float64, p *float64) *float64Value {
*p = val
return (*float64Value)(p)
}
func (f *float64Value) Set(s string) error {
v, err := strconv.ParseFloat(s, 64)
*f = float64Value(v)
return err
}
func (f *float64Value) Type() string {
return "float64"
}
func (f *float64Value) String() string { return strconv.FormatFloat(float64(*f), 'g', -1, 64) }
func float64Conv(sval string) (interface{}, error) {
return strconv.ParseFloat(sval, 64)
}
// GetFloat64 return the float64 value of a flag with the given name
func (f *FlagSet) GetFloat64(name string) (float64, error) {
val, err := f.getFlagType(name, "float64", float64Conv)
if err != nil {
return 0, err
}
return val.(float64), nil
}
// Float64Var defines a float64 flag with specified name, default value, and usage string.
// The argument p points to a float64 variable in which to store the value of the flag.
func (f *FlagSet) Float64Var(p *float64, name string, value float64, usage string) {
f.VarP(newFloat64Value(value, p), name, "", usage)
}
// Float64VarP is like Float64Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Float64VarP(p *float64, name, shorthand string, value float64, usage string) {
f.VarP(newFloat64Value(value, p), name, shorthand, usage)
}
// Float64Var defines a float64 flag with specified name, default value, and usage string.
// The argument p points to a float64 variable in which to store the value of the flag.
func Float64Var(p *float64, name string, value float64, usage string) {
CommandLine.VarP(newFloat64Value(value, p), name, "", usage)
}
// Float64VarP is like Float64Var, but accepts a shorthand letter that can be used after a single dash.
func Float64VarP(p *float64, name, shorthand string, value float64, usage string) {
CommandLine.VarP(newFloat64Value(value, p), name, shorthand, usage)
}
// Float64 defines a float64 flag with specified name, default value, and usage string.
// The return value is the address of a float64 variable that stores the value of the flag.
func (f *FlagSet) Float64(name string, value float64, usage string) *float64 {
p := new(float64)
f.Float64VarP(p, name, "", value, usage)
return p
}
// Float64P is like Float64, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Float64P(name, shorthand string, value float64, usage string) *float64 {
p := new(float64)
f.Float64VarP(p, name, shorthand, value, usage)
return p
}
// Float64 defines a float64 flag with specified name, default value, and usage string.
// The return value is the address of a float64 variable that stores the value of the flag.
func Float64(name string, value float64, usage string) *float64 {
return CommandLine.Float64P(name, "", value, usage)
}
// Float64P is like Float64, but accepts a shorthand letter that can be used after a single dash.
func Float64P(name, shorthand string, value float64, usage string) *float64 {
return CommandLine.Float64P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/golangflag.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pflag
import (
goflag "flag"
"reflect"
"strings"
)
// flagValueWrapper implements pflag.Value around a flag.Value. The main
// difference here is the addition of the Type method that returns a string
// name of the type. As this is generally unknown, we approximate that with
// reflection.
type flagValueWrapper struct {
inner goflag.Value
flagType string
}
// We are just copying the boolFlag interface out of goflag as that is what
// they use to decide if a flag should get "true" when no arg is given.
type goBoolFlag interface {
goflag.Value
IsBoolFlag() bool
}
func wrapFlagValue(v goflag.Value) Value {
// If the flag.Value happens to also be a pflag.Value, just use it directly.
if pv, ok := v.(Value); ok {
return pv
}
pv := &flagValueWrapper{
inner: v,
}
t := reflect.TypeOf(v)
if t.Kind() == reflect.Interface || t.Kind() == reflect.Ptr {
t = t.Elem()
}
pv.flagType = strings.TrimSuffix(t.Name(), "Value")
return pv
}
func (v *flagValueWrapper) String() string {
return v.inner.String()
}
func (v *flagValueWrapper) Set(s string) error {
return v.inner.Set(s)
}
func (v *flagValueWrapper) Type() string {
return v.flagType
}
// PFlagFromGoFlag will return a *pflag.Flag given a *flag.Flag
// If the *flag.Flag.Name was a single character (ex: `v`) it will be accessiblei
// with both `-v` and `--v` in flags. If the golang flag was more than a single
// character (ex: `verbose`) it will only be accessible via `--verbose`
func PFlagFromGoFlag(goflag *goflag.Flag) *Flag {
// Remember the default value as a string; it won't change.
flag := &Flag{
Name: goflag.Name,
Usage: goflag.Usage,
Value: wrapFlagValue(goflag.Value),
// Looks like golang flags don't set DefValue correctly :-(
//DefValue: goflag.DefValue,
DefValue: goflag.Value.String(),
}
// Ex: if the golang flag was -v, allow both -v and --v to work
if len(flag.Name) == 1 {
flag.Shorthand = flag.Name
}
if fv, ok := goflag.Value.(goBoolFlag); ok && fv.IsBoolFlag() {
flag.NoOptDefVal = "true"
}
return flag
}
// AddGoFlag will add the given *flag.Flag to the pflag.FlagSet
func (f *FlagSet) AddGoFlag(goflag *goflag.Flag) {
if f.Lookup(goflag.Name) != nil {
return
}
newflag := PFlagFromGoFlag(goflag)
f.AddFlag(newflag)
}
// AddGoFlagSet will add the given *flag.FlagSet to the pflag.FlagSet
func (f *FlagSet) AddGoFlagSet(newSet *goflag.FlagSet) {
if newSet == nil {
return
}
newSet.VisitAll(func(goflag *goflag.Flag) {
f.AddGoFlag(goflag)
})
}

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vendor/github.com/spf13/pflag/int.go generated vendored Normal file
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package pflag
import "strconv"
// -- int Value
type intValue int
func newIntValue(val int, p *int) *intValue {
*p = val
return (*intValue)(p)
}
func (i *intValue) Set(s string) error {
v, err := strconv.ParseInt(s, 0, 64)
*i = intValue(v)
return err
}
func (i *intValue) Type() string {
return "int"
}
func (i *intValue) String() string { return strconv.Itoa(int(*i)) }
func intConv(sval string) (interface{}, error) {
return strconv.Atoi(sval)
}
// GetInt return the int value of a flag with the given name
func (f *FlagSet) GetInt(name string) (int, error) {
val, err := f.getFlagType(name, "int", intConv)
if err != nil {
return 0, err
}
return val.(int), nil
}
// IntVar defines an int flag with specified name, default value, and usage string.
// The argument p points to an int variable in which to store the value of the flag.
func (f *FlagSet) IntVar(p *int, name string, value int, usage string) {
f.VarP(newIntValue(value, p), name, "", usage)
}
// IntVarP is like IntVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IntVarP(p *int, name, shorthand string, value int, usage string) {
f.VarP(newIntValue(value, p), name, shorthand, usage)
}
// IntVar defines an int flag with specified name, default value, and usage string.
// The argument p points to an int variable in which to store the value of the flag.
func IntVar(p *int, name string, value int, usage string) {
CommandLine.VarP(newIntValue(value, p), name, "", usage)
}
// IntVarP is like IntVar, but accepts a shorthand letter that can be used after a single dash.
func IntVarP(p *int, name, shorthand string, value int, usage string) {
CommandLine.VarP(newIntValue(value, p), name, shorthand, usage)
}
// Int defines an int flag with specified name, default value, and usage string.
// The return value is the address of an int variable that stores the value of the flag.
func (f *FlagSet) Int(name string, value int, usage string) *int {
p := new(int)
f.IntVarP(p, name, "", value, usage)
return p
}
// IntP is like Int, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IntP(name, shorthand string, value int, usage string) *int {
p := new(int)
f.IntVarP(p, name, shorthand, value, usage)
return p
}
// Int defines an int flag with specified name, default value, and usage string.
// The return value is the address of an int variable that stores the value of the flag.
func Int(name string, value int, usage string) *int {
return CommandLine.IntP(name, "", value, usage)
}
// IntP is like Int, but accepts a shorthand letter that can be used after a single dash.
func IntP(name, shorthand string, value int, usage string) *int {
return CommandLine.IntP(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/int16.go generated vendored Normal file
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package pflag
import "strconv"
// -- int16 Value
type int16Value int16
func newInt16Value(val int16, p *int16) *int16Value {
*p = val
return (*int16Value)(p)
}
func (i *int16Value) Set(s string) error {
v, err := strconv.ParseInt(s, 0, 16)
*i = int16Value(v)
return err
}
func (i *int16Value) Type() string {
return "int16"
}
func (i *int16Value) String() string { return strconv.FormatInt(int64(*i), 10) }
func int16Conv(sval string) (interface{}, error) {
v, err := strconv.ParseInt(sval, 0, 16)
if err != nil {
return 0, err
}
return int16(v), nil
}
// GetInt16 returns the int16 value of a flag with the given name
func (f *FlagSet) GetInt16(name string) (int16, error) {
val, err := f.getFlagType(name, "int16", int16Conv)
if err != nil {
return 0, err
}
return val.(int16), nil
}
// Int16Var defines an int16 flag with specified name, default value, and usage string.
// The argument p points to an int16 variable in which to store the value of the flag.
func (f *FlagSet) Int16Var(p *int16, name string, value int16, usage string) {
f.VarP(newInt16Value(value, p), name, "", usage)
}
// Int16VarP is like Int16Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Int16VarP(p *int16, name, shorthand string, value int16, usage string) {
f.VarP(newInt16Value(value, p), name, shorthand, usage)
}
// Int16Var defines an int16 flag with specified name, default value, and usage string.
// The argument p points to an int16 variable in which to store the value of the flag.
func Int16Var(p *int16, name string, value int16, usage string) {
CommandLine.VarP(newInt16Value(value, p), name, "", usage)
}
// Int16VarP is like Int16Var, but accepts a shorthand letter that can be used after a single dash.
func Int16VarP(p *int16, name, shorthand string, value int16, usage string) {
CommandLine.VarP(newInt16Value(value, p), name, shorthand, usage)
}
// Int16 defines an int16 flag with specified name, default value, and usage string.
// The return value is the address of an int16 variable that stores the value of the flag.
func (f *FlagSet) Int16(name string, value int16, usage string) *int16 {
p := new(int16)
f.Int16VarP(p, name, "", value, usage)
return p
}
// Int16P is like Int16, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Int16P(name, shorthand string, value int16, usage string) *int16 {
p := new(int16)
f.Int16VarP(p, name, shorthand, value, usage)
return p
}
// Int16 defines an int16 flag with specified name, default value, and usage string.
// The return value is the address of an int16 variable that stores the value of the flag.
func Int16(name string, value int16, usage string) *int16 {
return CommandLine.Int16P(name, "", value, usage)
}
// Int16P is like Int16, but accepts a shorthand letter that can be used after a single dash.
func Int16P(name, shorthand string, value int16, usage string) *int16 {
return CommandLine.Int16P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/int32.go generated vendored Normal file
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package pflag
import "strconv"
// -- int32 Value
type int32Value int32
func newInt32Value(val int32, p *int32) *int32Value {
*p = val
return (*int32Value)(p)
}
func (i *int32Value) Set(s string) error {
v, err := strconv.ParseInt(s, 0, 32)
*i = int32Value(v)
return err
}
func (i *int32Value) Type() string {
return "int32"
}
func (i *int32Value) String() string { return strconv.FormatInt(int64(*i), 10) }
func int32Conv(sval string) (interface{}, error) {
v, err := strconv.ParseInt(sval, 0, 32)
if err != nil {
return 0, err
}
return int32(v), nil
}
// GetInt32 return the int32 value of a flag with the given name
func (f *FlagSet) GetInt32(name string) (int32, error) {
val, err := f.getFlagType(name, "int32", int32Conv)
if err != nil {
return 0, err
}
return val.(int32), nil
}
// Int32Var defines an int32 flag with specified name, default value, and usage string.
// The argument p points to an int32 variable in which to store the value of the flag.
func (f *FlagSet) Int32Var(p *int32, name string, value int32, usage string) {
f.VarP(newInt32Value(value, p), name, "", usage)
}
// Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Int32VarP(p *int32, name, shorthand string, value int32, usage string) {
f.VarP(newInt32Value(value, p), name, shorthand, usage)
}
// Int32Var defines an int32 flag with specified name, default value, and usage string.
// The argument p points to an int32 variable in which to store the value of the flag.
func Int32Var(p *int32, name string, value int32, usage string) {
CommandLine.VarP(newInt32Value(value, p), name, "", usage)
}
// Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash.
func Int32VarP(p *int32, name, shorthand string, value int32, usage string) {
CommandLine.VarP(newInt32Value(value, p), name, shorthand, usage)
}
// Int32 defines an int32 flag with specified name, default value, and usage string.
// The return value is the address of an int32 variable that stores the value of the flag.
func (f *FlagSet) Int32(name string, value int32, usage string) *int32 {
p := new(int32)
f.Int32VarP(p, name, "", value, usage)
return p
}
// Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Int32P(name, shorthand string, value int32, usage string) *int32 {
p := new(int32)
f.Int32VarP(p, name, shorthand, value, usage)
return p
}
// Int32 defines an int32 flag with specified name, default value, and usage string.
// The return value is the address of an int32 variable that stores the value of the flag.
func Int32(name string, value int32, usage string) *int32 {
return CommandLine.Int32P(name, "", value, usage)
}
// Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash.
func Int32P(name, shorthand string, value int32, usage string) *int32 {
return CommandLine.Int32P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/int64.go generated vendored Normal file
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package pflag
import "strconv"
// -- int64 Value
type int64Value int64
func newInt64Value(val int64, p *int64) *int64Value {
*p = val
return (*int64Value)(p)
}
func (i *int64Value) Set(s string) error {
v, err := strconv.ParseInt(s, 0, 64)
*i = int64Value(v)
return err
}
func (i *int64Value) Type() string {
return "int64"
}
func (i *int64Value) String() string { return strconv.FormatInt(int64(*i), 10) }
func int64Conv(sval string) (interface{}, error) {
return strconv.ParseInt(sval, 0, 64)
}
// GetInt64 return the int64 value of a flag with the given name
func (f *FlagSet) GetInt64(name string) (int64, error) {
val, err := f.getFlagType(name, "int64", int64Conv)
if err != nil {
return 0, err
}
return val.(int64), nil
}
// Int64Var defines an int64 flag with specified name, default value, and usage string.
// The argument p points to an int64 variable in which to store the value of the flag.
func (f *FlagSet) Int64Var(p *int64, name string, value int64, usage string) {
f.VarP(newInt64Value(value, p), name, "", usage)
}
// Int64VarP is like Int64Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Int64VarP(p *int64, name, shorthand string, value int64, usage string) {
f.VarP(newInt64Value(value, p), name, shorthand, usage)
}
// Int64Var defines an int64 flag with specified name, default value, and usage string.
// The argument p points to an int64 variable in which to store the value of the flag.
func Int64Var(p *int64, name string, value int64, usage string) {
CommandLine.VarP(newInt64Value(value, p), name, "", usage)
}
// Int64VarP is like Int64Var, but accepts a shorthand letter that can be used after a single dash.
func Int64VarP(p *int64, name, shorthand string, value int64, usage string) {
CommandLine.VarP(newInt64Value(value, p), name, shorthand, usage)
}
// Int64 defines an int64 flag with specified name, default value, and usage string.
// The return value is the address of an int64 variable that stores the value of the flag.
func (f *FlagSet) Int64(name string, value int64, usage string) *int64 {
p := new(int64)
f.Int64VarP(p, name, "", value, usage)
return p
}
// Int64P is like Int64, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Int64P(name, shorthand string, value int64, usage string) *int64 {
p := new(int64)
f.Int64VarP(p, name, shorthand, value, usage)
return p
}
// Int64 defines an int64 flag with specified name, default value, and usage string.
// The return value is the address of an int64 variable that stores the value of the flag.
func Int64(name string, value int64, usage string) *int64 {
return CommandLine.Int64P(name, "", value, usage)
}
// Int64P is like Int64, but accepts a shorthand letter that can be used after a single dash.
func Int64P(name, shorthand string, value int64, usage string) *int64 {
return CommandLine.Int64P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/int8.go generated vendored Normal file
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package pflag
import "strconv"
// -- int8 Value
type int8Value int8
func newInt8Value(val int8, p *int8) *int8Value {
*p = val
return (*int8Value)(p)
}
func (i *int8Value) Set(s string) error {
v, err := strconv.ParseInt(s, 0, 8)
*i = int8Value(v)
return err
}
func (i *int8Value) Type() string {
return "int8"
}
func (i *int8Value) String() string { return strconv.FormatInt(int64(*i), 10) }
func int8Conv(sval string) (interface{}, error) {
v, err := strconv.ParseInt(sval, 0, 8)
if err != nil {
return 0, err
}
return int8(v), nil
}
// GetInt8 return the int8 value of a flag with the given name
func (f *FlagSet) GetInt8(name string) (int8, error) {
val, err := f.getFlagType(name, "int8", int8Conv)
if err != nil {
return 0, err
}
return val.(int8), nil
}
// Int8Var defines an int8 flag with specified name, default value, and usage string.
// The argument p points to an int8 variable in which to store the value of the flag.
func (f *FlagSet) Int8Var(p *int8, name string, value int8, usage string) {
f.VarP(newInt8Value(value, p), name, "", usage)
}
// Int8VarP is like Int8Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Int8VarP(p *int8, name, shorthand string, value int8, usage string) {
f.VarP(newInt8Value(value, p), name, shorthand, usage)
}
// Int8Var defines an int8 flag with specified name, default value, and usage string.
// The argument p points to an int8 variable in which to store the value of the flag.
func Int8Var(p *int8, name string, value int8, usage string) {
CommandLine.VarP(newInt8Value(value, p), name, "", usage)
}
// Int8VarP is like Int8Var, but accepts a shorthand letter that can be used after a single dash.
func Int8VarP(p *int8, name, shorthand string, value int8, usage string) {
CommandLine.VarP(newInt8Value(value, p), name, shorthand, usage)
}
// Int8 defines an int8 flag with specified name, default value, and usage string.
// The return value is the address of an int8 variable that stores the value of the flag.
func (f *FlagSet) Int8(name string, value int8, usage string) *int8 {
p := new(int8)
f.Int8VarP(p, name, "", value, usage)
return p
}
// Int8P is like Int8, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Int8P(name, shorthand string, value int8, usage string) *int8 {
p := new(int8)
f.Int8VarP(p, name, shorthand, value, usage)
return p
}
// Int8 defines an int8 flag with specified name, default value, and usage string.
// The return value is the address of an int8 variable that stores the value of the flag.
func Int8(name string, value int8, usage string) *int8 {
return CommandLine.Int8P(name, "", value, usage)
}
// Int8P is like Int8, but accepts a shorthand letter that can be used after a single dash.
func Int8P(name, shorthand string, value int8, usage string) *int8 {
return CommandLine.Int8P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/int_slice.go generated vendored Normal file
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package pflag
import (
"fmt"
"strconv"
"strings"
)
// -- intSlice Value
type intSliceValue struct {
value *[]int
changed bool
}
func newIntSliceValue(val []int, p *[]int) *intSliceValue {
isv := new(intSliceValue)
isv.value = p
*isv.value = val
return isv
}
func (s *intSliceValue) Set(val string) error {
ss := strings.Split(val, ",")
out := make([]int, len(ss))
for i, d := range ss {
var err error
out[i], err = strconv.Atoi(d)
if err != nil {
return err
}
}
if !s.changed {
*s.value = out
} else {
*s.value = append(*s.value, out...)
}
s.changed = true
return nil
}
func (s *intSliceValue) Type() string {
return "intSlice"
}
func (s *intSliceValue) String() string {
out := make([]string, len(*s.value))
for i, d := range *s.value {
out[i] = fmt.Sprintf("%d", d)
}
return "[" + strings.Join(out, ",") + "]"
}
func intSliceConv(val string) (interface{}, error) {
val = strings.Trim(val, "[]")
// Empty string would cause a slice with one (empty) entry
if len(val) == 0 {
return []int{}, nil
}
ss := strings.Split(val, ",")
out := make([]int, len(ss))
for i, d := range ss {
var err error
out[i], err = strconv.Atoi(d)
if err != nil {
return nil, err
}
}
return out, nil
}
// GetIntSlice return the []int value of a flag with the given name
func (f *FlagSet) GetIntSlice(name string) ([]int, error) {
val, err := f.getFlagType(name, "intSlice", intSliceConv)
if err != nil {
return []int{}, err
}
return val.([]int), nil
}
// IntSliceVar defines a intSlice flag with specified name, default value, and usage string.
// The argument p points to a []int variable in which to store the value of the flag.
func (f *FlagSet) IntSliceVar(p *[]int, name string, value []int, usage string) {
f.VarP(newIntSliceValue(value, p), name, "", usage)
}
// IntSliceVarP is like IntSliceVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IntSliceVarP(p *[]int, name, shorthand string, value []int, usage string) {
f.VarP(newIntSliceValue(value, p), name, shorthand, usage)
}
// IntSliceVar defines a int[] flag with specified name, default value, and usage string.
// The argument p points to a int[] variable in which to store the value of the flag.
func IntSliceVar(p *[]int, name string, value []int, usage string) {
CommandLine.VarP(newIntSliceValue(value, p), name, "", usage)
}
// IntSliceVarP is like IntSliceVar, but accepts a shorthand letter that can be used after a single dash.
func IntSliceVarP(p *[]int, name, shorthand string, value []int, usage string) {
CommandLine.VarP(newIntSliceValue(value, p), name, shorthand, usage)
}
// IntSlice defines a []int flag with specified name, default value, and usage string.
// The return value is the address of a []int variable that stores the value of the flag.
func (f *FlagSet) IntSlice(name string, value []int, usage string) *[]int {
p := []int{}
f.IntSliceVarP(&p, name, "", value, usage)
return &p
}
// IntSliceP is like IntSlice, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IntSliceP(name, shorthand string, value []int, usage string) *[]int {
p := []int{}
f.IntSliceVarP(&p, name, shorthand, value, usage)
return &p
}
// IntSlice defines a []int flag with specified name, default value, and usage string.
// The return value is the address of a []int variable that stores the value of the flag.
func IntSlice(name string, value []int, usage string) *[]int {
return CommandLine.IntSliceP(name, "", value, usage)
}
// IntSliceP is like IntSlice, but accepts a shorthand letter that can be used after a single dash.
func IntSliceP(name, shorthand string, value []int, usage string) *[]int {
return CommandLine.IntSliceP(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/ip.go generated vendored Normal file
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package pflag
import (
"fmt"
"net"
"strings"
)
// -- net.IP value
type ipValue net.IP
func newIPValue(val net.IP, p *net.IP) *ipValue {
*p = val
return (*ipValue)(p)
}
func (i *ipValue) String() string { return net.IP(*i).String() }
func (i *ipValue) Set(s string) error {
ip := net.ParseIP(strings.TrimSpace(s))
if ip == nil {
return fmt.Errorf("failed to parse IP: %q", s)
}
*i = ipValue(ip)
return nil
}
func (i *ipValue) Type() string {
return "ip"
}
func ipConv(sval string) (interface{}, error) {
ip := net.ParseIP(sval)
if ip != nil {
return ip, nil
}
return nil, fmt.Errorf("invalid string being converted to IP address: %s", sval)
}
// GetIP return the net.IP value of a flag with the given name
func (f *FlagSet) GetIP(name string) (net.IP, error) {
val, err := f.getFlagType(name, "ip", ipConv)
if err != nil {
return nil, err
}
return val.(net.IP), nil
}
// IPVar defines an net.IP flag with specified name, default value, and usage string.
// The argument p points to an net.IP variable in which to store the value of the flag.
func (f *FlagSet) IPVar(p *net.IP, name string, value net.IP, usage string) {
f.VarP(newIPValue(value, p), name, "", usage)
}
// IPVarP is like IPVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IPVarP(p *net.IP, name, shorthand string, value net.IP, usage string) {
f.VarP(newIPValue(value, p), name, shorthand, usage)
}
// IPVar defines an net.IP flag with specified name, default value, and usage string.
// The argument p points to an net.IP variable in which to store the value of the flag.
func IPVar(p *net.IP, name string, value net.IP, usage string) {
CommandLine.VarP(newIPValue(value, p), name, "", usage)
}
// IPVarP is like IPVar, but accepts a shorthand letter that can be used after a single dash.
func IPVarP(p *net.IP, name, shorthand string, value net.IP, usage string) {
CommandLine.VarP(newIPValue(value, p), name, shorthand, usage)
}
// IP defines an net.IP flag with specified name, default value, and usage string.
// The return value is the address of an net.IP variable that stores the value of the flag.
func (f *FlagSet) IP(name string, value net.IP, usage string) *net.IP {
p := new(net.IP)
f.IPVarP(p, name, "", value, usage)
return p
}
// IPP is like IP, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IPP(name, shorthand string, value net.IP, usage string) *net.IP {
p := new(net.IP)
f.IPVarP(p, name, shorthand, value, usage)
return p
}
// IP defines an net.IP flag with specified name, default value, and usage string.
// The return value is the address of an net.IP variable that stores the value of the flag.
func IP(name string, value net.IP, usage string) *net.IP {
return CommandLine.IPP(name, "", value, usage)
}
// IPP is like IP, but accepts a shorthand letter that can be used after a single dash.
func IPP(name, shorthand string, value net.IP, usage string) *net.IP {
return CommandLine.IPP(name, shorthand, value, usage)
}

148
vendor/github.com/spf13/pflag/ip_slice.go generated vendored Normal file
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package pflag
import (
"fmt"
"io"
"net"
"strings"
)
// -- ipSlice Value
type ipSliceValue struct {
value *[]net.IP
changed bool
}
func newIPSliceValue(val []net.IP, p *[]net.IP) *ipSliceValue {
ipsv := new(ipSliceValue)
ipsv.value = p
*ipsv.value = val
return ipsv
}
// Set converts, and assigns, the comma-separated IP argument string representation as the []net.IP value of this flag.
// If Set is called on a flag that already has a []net.IP assigned, the newly converted values will be appended.
func (s *ipSliceValue) Set(val string) error {
// remove all quote characters
rmQuote := strings.NewReplacer(`"`, "", `'`, "", "`", "")
// read flag arguments with CSV parser
ipStrSlice, err := readAsCSV(rmQuote.Replace(val))
if err != nil && err != io.EOF {
return err
}
// parse ip values into slice
out := make([]net.IP, 0, len(ipStrSlice))
for _, ipStr := range ipStrSlice {
ip := net.ParseIP(strings.TrimSpace(ipStr))
if ip == nil {
return fmt.Errorf("invalid string being converted to IP address: %s", ipStr)
}
out = append(out, ip)
}
if !s.changed {
*s.value = out
} else {
*s.value = append(*s.value, out...)
}
s.changed = true
return nil
}
// Type returns a string that uniquely represents this flag's type.
func (s *ipSliceValue) Type() string {
return "ipSlice"
}
// String defines a "native" format for this net.IP slice flag value.
func (s *ipSliceValue) String() string {
ipStrSlice := make([]string, len(*s.value))
for i, ip := range *s.value {
ipStrSlice[i] = ip.String()
}
out, _ := writeAsCSV(ipStrSlice)
return "[" + out + "]"
}
func ipSliceConv(val string) (interface{}, error) {
val = strings.Trim(val, "[]")
// Emtpy string would cause a slice with one (empty) entry
if len(val) == 0 {
return []net.IP{}, nil
}
ss := strings.Split(val, ",")
out := make([]net.IP, len(ss))
for i, sval := range ss {
ip := net.ParseIP(strings.TrimSpace(sval))
if ip == nil {
return nil, fmt.Errorf("invalid string being converted to IP address: %s", sval)
}
out[i] = ip
}
return out, nil
}
// GetIPSlice returns the []net.IP value of a flag with the given name
func (f *FlagSet) GetIPSlice(name string) ([]net.IP, error) {
val, err := f.getFlagType(name, "ipSlice", ipSliceConv)
if err != nil {
return []net.IP{}, err
}
return val.([]net.IP), nil
}
// IPSliceVar defines a ipSlice flag with specified name, default value, and usage string.
// The argument p points to a []net.IP variable in which to store the value of the flag.
func (f *FlagSet) IPSliceVar(p *[]net.IP, name string, value []net.IP, usage string) {
f.VarP(newIPSliceValue(value, p), name, "", usage)
}
// IPSliceVarP is like IPSliceVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IPSliceVarP(p *[]net.IP, name, shorthand string, value []net.IP, usage string) {
f.VarP(newIPSliceValue(value, p), name, shorthand, usage)
}
// IPSliceVar defines a []net.IP flag with specified name, default value, and usage string.
// The argument p points to a []net.IP variable in which to store the value of the flag.
func IPSliceVar(p *[]net.IP, name string, value []net.IP, usage string) {
CommandLine.VarP(newIPSliceValue(value, p), name, "", usage)
}
// IPSliceVarP is like IPSliceVar, but accepts a shorthand letter that can be used after a single dash.
func IPSliceVarP(p *[]net.IP, name, shorthand string, value []net.IP, usage string) {
CommandLine.VarP(newIPSliceValue(value, p), name, shorthand, usage)
}
// IPSlice defines a []net.IP flag with specified name, default value, and usage string.
// The return value is the address of a []net.IP variable that stores the value of that flag.
func (f *FlagSet) IPSlice(name string, value []net.IP, usage string) *[]net.IP {
p := []net.IP{}
f.IPSliceVarP(&p, name, "", value, usage)
return &p
}
// IPSliceP is like IPSlice, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IPSliceP(name, shorthand string, value []net.IP, usage string) *[]net.IP {
p := []net.IP{}
f.IPSliceVarP(&p, name, shorthand, value, usage)
return &p
}
// IPSlice defines a []net.IP flag with specified name, default value, and usage string.
// The return value is the address of a []net.IP variable that stores the value of the flag.
func IPSlice(name string, value []net.IP, usage string) *[]net.IP {
return CommandLine.IPSliceP(name, "", value, usage)
}
// IPSliceP is like IPSlice, but accepts a shorthand letter that can be used after a single dash.
func IPSliceP(name, shorthand string, value []net.IP, usage string) *[]net.IP {
return CommandLine.IPSliceP(name, shorthand, value, usage)
}

122
vendor/github.com/spf13/pflag/ipmask.go generated vendored Normal file
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package pflag
import (
"fmt"
"net"
"strconv"
)
// -- net.IPMask value
type ipMaskValue net.IPMask
func newIPMaskValue(val net.IPMask, p *net.IPMask) *ipMaskValue {
*p = val
return (*ipMaskValue)(p)
}
func (i *ipMaskValue) String() string { return net.IPMask(*i).String() }
func (i *ipMaskValue) Set(s string) error {
ip := ParseIPv4Mask(s)
if ip == nil {
return fmt.Errorf("failed to parse IP mask: %q", s)
}
*i = ipMaskValue(ip)
return nil
}
func (i *ipMaskValue) Type() string {
return "ipMask"
}
// ParseIPv4Mask written in IP form (e.g. 255.255.255.0).
// This function should really belong to the net package.
func ParseIPv4Mask(s string) net.IPMask {
mask := net.ParseIP(s)
if mask == nil {
if len(s) != 8 {
return nil
}
// net.IPMask.String() actually outputs things like ffffff00
// so write a horrible parser for that as well :-(
m := []int{}
for i := 0; i < 4; i++ {
b := "0x" + s[2*i:2*i+2]
d, err := strconv.ParseInt(b, 0, 0)
if err != nil {
return nil
}
m = append(m, int(d))
}
s := fmt.Sprintf("%d.%d.%d.%d", m[0], m[1], m[2], m[3])
mask = net.ParseIP(s)
if mask == nil {
return nil
}
}
return net.IPv4Mask(mask[12], mask[13], mask[14], mask[15])
}
func parseIPv4Mask(sval string) (interface{}, error) {
mask := ParseIPv4Mask(sval)
if mask == nil {
return nil, fmt.Errorf("unable to parse %s as net.IPMask", sval)
}
return mask, nil
}
// GetIPv4Mask return the net.IPv4Mask value of a flag with the given name
func (f *FlagSet) GetIPv4Mask(name string) (net.IPMask, error) {
val, err := f.getFlagType(name, "ipMask", parseIPv4Mask)
if err != nil {
return nil, err
}
return val.(net.IPMask), nil
}
// IPMaskVar defines an net.IPMask flag with specified name, default value, and usage string.
// The argument p points to an net.IPMask variable in which to store the value of the flag.
func (f *FlagSet) IPMaskVar(p *net.IPMask, name string, value net.IPMask, usage string) {
f.VarP(newIPMaskValue(value, p), name, "", usage)
}
// IPMaskVarP is like IPMaskVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IPMaskVarP(p *net.IPMask, name, shorthand string, value net.IPMask, usage string) {
f.VarP(newIPMaskValue(value, p), name, shorthand, usage)
}
// IPMaskVar defines an net.IPMask flag with specified name, default value, and usage string.
// The argument p points to an net.IPMask variable in which to store the value of the flag.
func IPMaskVar(p *net.IPMask, name string, value net.IPMask, usage string) {
CommandLine.VarP(newIPMaskValue(value, p), name, "", usage)
}
// IPMaskVarP is like IPMaskVar, but accepts a shorthand letter that can be used after a single dash.
func IPMaskVarP(p *net.IPMask, name, shorthand string, value net.IPMask, usage string) {
CommandLine.VarP(newIPMaskValue(value, p), name, shorthand, usage)
}
// IPMask defines an net.IPMask flag with specified name, default value, and usage string.
// The return value is the address of an net.IPMask variable that stores the value of the flag.
func (f *FlagSet) IPMask(name string, value net.IPMask, usage string) *net.IPMask {
p := new(net.IPMask)
f.IPMaskVarP(p, name, "", value, usage)
return p
}
// IPMaskP is like IPMask, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IPMaskP(name, shorthand string, value net.IPMask, usage string) *net.IPMask {
p := new(net.IPMask)
f.IPMaskVarP(p, name, shorthand, value, usage)
return p
}
// IPMask defines an net.IPMask flag with specified name, default value, and usage string.
// The return value is the address of an net.IPMask variable that stores the value of the flag.
func IPMask(name string, value net.IPMask, usage string) *net.IPMask {
return CommandLine.IPMaskP(name, "", value, usage)
}
// IPMaskP is like IP, but accepts a shorthand letter that can be used after a single dash.
func IPMaskP(name, shorthand string, value net.IPMask, usage string) *net.IPMask {
return CommandLine.IPMaskP(name, shorthand, value, usage)
}

98
vendor/github.com/spf13/pflag/ipnet.go generated vendored Normal file
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package pflag
import (
"fmt"
"net"
"strings"
)
// IPNet adapts net.IPNet for use as a flag.
type ipNetValue net.IPNet
func (ipnet ipNetValue) String() string {
n := net.IPNet(ipnet)
return n.String()
}
func (ipnet *ipNetValue) Set(value string) error {
_, n, err := net.ParseCIDR(strings.TrimSpace(value))
if err != nil {
return err
}
*ipnet = ipNetValue(*n)
return nil
}
func (*ipNetValue) Type() string {
return "ipNet"
}
func newIPNetValue(val net.IPNet, p *net.IPNet) *ipNetValue {
*p = val
return (*ipNetValue)(p)
}
func ipNetConv(sval string) (interface{}, error) {
_, n, err := net.ParseCIDR(strings.TrimSpace(sval))
if err == nil {
return *n, nil
}
return nil, fmt.Errorf("invalid string being converted to IPNet: %s", sval)
}
// GetIPNet return the net.IPNet value of a flag with the given name
func (f *FlagSet) GetIPNet(name string) (net.IPNet, error) {
val, err := f.getFlagType(name, "ipNet", ipNetConv)
if err != nil {
return net.IPNet{}, err
}
return val.(net.IPNet), nil
}
// IPNetVar defines an net.IPNet flag with specified name, default value, and usage string.
// The argument p points to an net.IPNet variable in which to store the value of the flag.
func (f *FlagSet) IPNetVar(p *net.IPNet, name string, value net.IPNet, usage string) {
f.VarP(newIPNetValue(value, p), name, "", usage)
}
// IPNetVarP is like IPNetVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IPNetVarP(p *net.IPNet, name, shorthand string, value net.IPNet, usage string) {
f.VarP(newIPNetValue(value, p), name, shorthand, usage)
}
// IPNetVar defines an net.IPNet flag with specified name, default value, and usage string.
// The argument p points to an net.IPNet variable in which to store the value of the flag.
func IPNetVar(p *net.IPNet, name string, value net.IPNet, usage string) {
CommandLine.VarP(newIPNetValue(value, p), name, "", usage)
}
// IPNetVarP is like IPNetVar, but accepts a shorthand letter that can be used after a single dash.
func IPNetVarP(p *net.IPNet, name, shorthand string, value net.IPNet, usage string) {
CommandLine.VarP(newIPNetValue(value, p), name, shorthand, usage)
}
// IPNet defines an net.IPNet flag with specified name, default value, and usage string.
// The return value is the address of an net.IPNet variable that stores the value of the flag.
func (f *FlagSet) IPNet(name string, value net.IPNet, usage string) *net.IPNet {
p := new(net.IPNet)
f.IPNetVarP(p, name, "", value, usage)
return p
}
// IPNetP is like IPNet, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) IPNetP(name, shorthand string, value net.IPNet, usage string) *net.IPNet {
p := new(net.IPNet)
f.IPNetVarP(p, name, shorthand, value, usage)
return p
}
// IPNet defines an net.IPNet flag with specified name, default value, and usage string.
// The return value is the address of an net.IPNet variable that stores the value of the flag.
func IPNet(name string, value net.IPNet, usage string) *net.IPNet {
return CommandLine.IPNetP(name, "", value, usage)
}
// IPNetP is like IPNet, but accepts a shorthand letter that can be used after a single dash.
func IPNetP(name, shorthand string, value net.IPNet, usage string) *net.IPNet {
return CommandLine.IPNetP(name, shorthand, value, usage)
}

80
vendor/github.com/spf13/pflag/string.go generated vendored Normal file
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package pflag
// -- string Value
type stringValue string
func newStringValue(val string, p *string) *stringValue {
*p = val
return (*stringValue)(p)
}
func (s *stringValue) Set(val string) error {
*s = stringValue(val)
return nil
}
func (s *stringValue) Type() string {
return "string"
}
func (s *stringValue) String() string { return string(*s) }
func stringConv(sval string) (interface{}, error) {
return sval, nil
}
// GetString return the string value of a flag with the given name
func (f *FlagSet) GetString(name string) (string, error) {
val, err := f.getFlagType(name, "string", stringConv)
if err != nil {
return "", err
}
return val.(string), nil
}
// StringVar defines a string flag with specified name, default value, and usage string.
// The argument p points to a string variable in which to store the value of the flag.
func (f *FlagSet) StringVar(p *string, name string, value string, usage string) {
f.VarP(newStringValue(value, p), name, "", usage)
}
// StringVarP is like StringVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) StringVarP(p *string, name, shorthand string, value string, usage string) {
f.VarP(newStringValue(value, p), name, shorthand, usage)
}
// StringVar defines a string flag with specified name, default value, and usage string.
// The argument p points to a string variable in which to store the value of the flag.
func StringVar(p *string, name string, value string, usage string) {
CommandLine.VarP(newStringValue(value, p), name, "", usage)
}
// StringVarP is like StringVar, but accepts a shorthand letter that can be used after a single dash.
func StringVarP(p *string, name, shorthand string, value string, usage string) {
CommandLine.VarP(newStringValue(value, p), name, shorthand, usage)
}
// String defines a string flag with specified name, default value, and usage string.
// The return value is the address of a string variable that stores the value of the flag.
func (f *FlagSet) String(name string, value string, usage string) *string {
p := new(string)
f.StringVarP(p, name, "", value, usage)
return p
}
// StringP is like String, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) StringP(name, shorthand string, value string, usage string) *string {
p := new(string)
f.StringVarP(p, name, shorthand, value, usage)
return p
}
// String defines a string flag with specified name, default value, and usage string.
// The return value is the address of a string variable that stores the value of the flag.
func String(name string, value string, usage string) *string {
return CommandLine.StringP(name, "", value, usage)
}
// StringP is like String, but accepts a shorthand letter that can be used after a single dash.
func StringP(name, shorthand string, value string, usage string) *string {
return CommandLine.StringP(name, shorthand, value, usage)
}

103
vendor/github.com/spf13/pflag/string_array.go generated vendored Normal file
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package pflag
// -- stringArray Value
type stringArrayValue struct {
value *[]string
changed bool
}
func newStringArrayValue(val []string, p *[]string) *stringArrayValue {
ssv := new(stringArrayValue)
ssv.value = p
*ssv.value = val
return ssv
}
func (s *stringArrayValue) Set(val string) error {
if !s.changed {
*s.value = []string{val}
s.changed = true
} else {
*s.value = append(*s.value, val)
}
return nil
}
func (s *stringArrayValue) Type() string {
return "stringArray"
}
func (s *stringArrayValue) String() string {
str, _ := writeAsCSV(*s.value)
return "[" + str + "]"
}
func stringArrayConv(sval string) (interface{}, error) {
sval = sval[1 : len(sval)-1]
// An empty string would cause a array with one (empty) string
if len(sval) == 0 {
return []string{}, nil
}
return readAsCSV(sval)
}
// GetStringArray return the []string value of a flag with the given name
func (f *FlagSet) GetStringArray(name string) ([]string, error) {
val, err := f.getFlagType(name, "stringArray", stringArrayConv)
if err != nil {
return []string{}, err
}
return val.([]string), nil
}
// StringArrayVar defines a string flag with specified name, default value, and usage string.
// The argument p points to a []string variable in which to store the values of the multiple flags.
// The value of each argument will not try to be separated by comma. Use a StringSlice for that.
func (f *FlagSet) StringArrayVar(p *[]string, name string, value []string, usage string) {
f.VarP(newStringArrayValue(value, p), name, "", usage)
}
// StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) {
f.VarP(newStringArrayValue(value, p), name, shorthand, usage)
}
// StringArrayVar defines a string flag with specified name, default value, and usage string.
// The argument p points to a []string variable in which to store the value of the flag.
// The value of each argument will not try to be separated by comma. Use a StringSlice for that.
func StringArrayVar(p *[]string, name string, value []string, usage string) {
CommandLine.VarP(newStringArrayValue(value, p), name, "", usage)
}
// StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash.
func StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) {
CommandLine.VarP(newStringArrayValue(value, p), name, shorthand, usage)
}
// StringArray defines a string flag with specified name, default value, and usage string.
// The return value is the address of a []string variable that stores the value of the flag.
// The value of each argument will not try to be separated by comma. Use a StringSlice for that.
func (f *FlagSet) StringArray(name string, value []string, usage string) *[]string {
p := []string{}
f.StringArrayVarP(&p, name, "", value, usage)
return &p
}
// StringArrayP is like StringArray, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) StringArrayP(name, shorthand string, value []string, usage string) *[]string {
p := []string{}
f.StringArrayVarP(&p, name, shorthand, value, usage)
return &p
}
// StringArray defines a string flag with specified name, default value, and usage string.
// The return value is the address of a []string variable that stores the value of the flag.
// The value of each argument will not try to be separated by comma. Use a StringSlice for that.
func StringArray(name string, value []string, usage string) *[]string {
return CommandLine.StringArrayP(name, "", value, usage)
}
// StringArrayP is like StringArray, but accepts a shorthand letter that can be used after a single dash.
func StringArrayP(name, shorthand string, value []string, usage string) *[]string {
return CommandLine.StringArrayP(name, shorthand, value, usage)
}

149
vendor/github.com/spf13/pflag/string_slice.go generated vendored Normal file
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package pflag
import (
"bytes"
"encoding/csv"
"strings"
)
// -- stringSlice Value
type stringSliceValue struct {
value *[]string
changed bool
}
func newStringSliceValue(val []string, p *[]string) *stringSliceValue {
ssv := new(stringSliceValue)
ssv.value = p
*ssv.value = val
return ssv
}
func readAsCSV(val string) ([]string, error) {
if val == "" {
return []string{}, nil
}
stringReader := strings.NewReader(val)
csvReader := csv.NewReader(stringReader)
return csvReader.Read()
}
func writeAsCSV(vals []string) (string, error) {
b := &bytes.Buffer{}
w := csv.NewWriter(b)
err := w.Write(vals)
if err != nil {
return "", err
}
w.Flush()
return strings.TrimSuffix(b.String(), "\n"), nil
}
func (s *stringSliceValue) Set(val string) error {
v, err := readAsCSV(val)
if err != nil {
return err
}
if !s.changed {
*s.value = v
} else {
*s.value = append(*s.value, v...)
}
s.changed = true
return nil
}
func (s *stringSliceValue) Type() string {
return "stringSlice"
}
func (s *stringSliceValue) String() string {
str, _ := writeAsCSV(*s.value)
return "[" + str + "]"
}
func stringSliceConv(sval string) (interface{}, error) {
sval = sval[1 : len(sval)-1]
// An empty string would cause a slice with one (empty) string
if len(sval) == 0 {
return []string{}, nil
}
return readAsCSV(sval)
}
// GetStringSlice return the []string value of a flag with the given name
func (f *FlagSet) GetStringSlice(name string) ([]string, error) {
val, err := f.getFlagType(name, "stringSlice", stringSliceConv)
if err != nil {
return []string{}, err
}
return val.([]string), nil
}
// StringSliceVar defines a string flag with specified name, default value, and usage string.
// The argument p points to a []string variable in which to store the value of the flag.
// Compared to StringArray flags, StringSlice flags take comma-separated value as arguments and split them accordingly.
// For example:
// --ss="v1,v2" -ss="v3"
// will result in
// []string{"v1", "v2", "v3"}
func (f *FlagSet) StringSliceVar(p *[]string, name string, value []string, usage string) {
f.VarP(newStringSliceValue(value, p), name, "", usage)
}
// StringSliceVarP is like StringSliceVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) StringSliceVarP(p *[]string, name, shorthand string, value []string, usage string) {
f.VarP(newStringSliceValue(value, p), name, shorthand, usage)
}
// StringSliceVar defines a string flag with specified name, default value, and usage string.
// The argument p points to a []string variable in which to store the value of the flag.
// Compared to StringArray flags, StringSlice flags take comma-separated value as arguments and split them accordingly.
// For example:
// --ss="v1,v2" -ss="v3"
// will result in
// []string{"v1", "v2", "v3"}
func StringSliceVar(p *[]string, name string, value []string, usage string) {
CommandLine.VarP(newStringSliceValue(value, p), name, "", usage)
}
// StringSliceVarP is like StringSliceVar, but accepts a shorthand letter that can be used after a single dash.
func StringSliceVarP(p *[]string, name, shorthand string, value []string, usage string) {
CommandLine.VarP(newStringSliceValue(value, p), name, shorthand, usage)
}
// StringSlice defines a string flag with specified name, default value, and usage string.
// The return value is the address of a []string variable that stores the value of the flag.
// Compared to StringArray flags, StringSlice flags take comma-separated value as arguments and split them accordingly.
// For example:
// --ss="v1,v2" -ss="v3"
// will result in
// []string{"v1", "v2", "v3"}
func (f *FlagSet) StringSlice(name string, value []string, usage string) *[]string {
p := []string{}
f.StringSliceVarP(&p, name, "", value, usage)
return &p
}
// StringSliceP is like StringSlice, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) StringSliceP(name, shorthand string, value []string, usage string) *[]string {
p := []string{}
f.StringSliceVarP(&p, name, shorthand, value, usage)
return &p
}
// StringSlice defines a string flag with specified name, default value, and usage string.
// The return value is the address of a []string variable that stores the value of the flag.
// Compared to StringArray flags, StringSlice flags take comma-separated value as arguments and split them accordingly.
// For example:
// --ss="v1,v2" -ss="v3"
// will result in
// []string{"v1", "v2", "v3"}
func StringSlice(name string, value []string, usage string) *[]string {
return CommandLine.StringSliceP(name, "", value, usage)
}
// StringSliceP is like StringSlice, but accepts a shorthand letter that can be used after a single dash.
func StringSliceP(name, shorthand string, value []string, usage string) *[]string {
return CommandLine.StringSliceP(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/uint.go generated vendored Normal file
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package pflag
import "strconv"
// -- uint Value
type uintValue uint
func newUintValue(val uint, p *uint) *uintValue {
*p = val
return (*uintValue)(p)
}
func (i *uintValue) Set(s string) error {
v, err := strconv.ParseUint(s, 0, 64)
*i = uintValue(v)
return err
}
func (i *uintValue) Type() string {
return "uint"
}
func (i *uintValue) String() string { return strconv.FormatUint(uint64(*i), 10) }
func uintConv(sval string) (interface{}, error) {
v, err := strconv.ParseUint(sval, 0, 0)
if err != nil {
return 0, err
}
return uint(v), nil
}
// GetUint return the uint value of a flag with the given name
func (f *FlagSet) GetUint(name string) (uint, error) {
val, err := f.getFlagType(name, "uint", uintConv)
if err != nil {
return 0, err
}
return val.(uint), nil
}
// UintVar defines a uint flag with specified name, default value, and usage string.
// The argument p points to a uint variable in which to store the value of the flag.
func (f *FlagSet) UintVar(p *uint, name string, value uint, usage string) {
f.VarP(newUintValue(value, p), name, "", usage)
}
// UintVarP is like UintVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) UintVarP(p *uint, name, shorthand string, value uint, usage string) {
f.VarP(newUintValue(value, p), name, shorthand, usage)
}
// UintVar defines a uint flag with specified name, default value, and usage string.
// The argument p points to a uint variable in which to store the value of the flag.
func UintVar(p *uint, name string, value uint, usage string) {
CommandLine.VarP(newUintValue(value, p), name, "", usage)
}
// UintVarP is like UintVar, but accepts a shorthand letter that can be used after a single dash.
func UintVarP(p *uint, name, shorthand string, value uint, usage string) {
CommandLine.VarP(newUintValue(value, p), name, shorthand, usage)
}
// Uint defines a uint flag with specified name, default value, and usage string.
// The return value is the address of a uint variable that stores the value of the flag.
func (f *FlagSet) Uint(name string, value uint, usage string) *uint {
p := new(uint)
f.UintVarP(p, name, "", value, usage)
return p
}
// UintP is like Uint, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) UintP(name, shorthand string, value uint, usage string) *uint {
p := new(uint)
f.UintVarP(p, name, shorthand, value, usage)
return p
}
// Uint defines a uint flag with specified name, default value, and usage string.
// The return value is the address of a uint variable that stores the value of the flag.
func Uint(name string, value uint, usage string) *uint {
return CommandLine.UintP(name, "", value, usage)
}
// UintP is like Uint, but accepts a shorthand letter that can be used after a single dash.
func UintP(name, shorthand string, value uint, usage string) *uint {
return CommandLine.UintP(name, shorthand, value, usage)
}

88
vendor/github.com/spf13/pflag/uint16.go generated vendored Normal file
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package pflag
import "strconv"
// -- uint16 value
type uint16Value uint16
func newUint16Value(val uint16, p *uint16) *uint16Value {
*p = val
return (*uint16Value)(p)
}
func (i *uint16Value) Set(s string) error {
v, err := strconv.ParseUint(s, 0, 16)
*i = uint16Value(v)
return err
}
func (i *uint16Value) Type() string {
return "uint16"
}
func (i *uint16Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
func uint16Conv(sval string) (interface{}, error) {
v, err := strconv.ParseUint(sval, 0, 16)
if err != nil {
return 0, err
}
return uint16(v), nil
}
// GetUint16 return the uint16 value of a flag with the given name
func (f *FlagSet) GetUint16(name string) (uint16, error) {
val, err := f.getFlagType(name, "uint16", uint16Conv)
if err != nil {
return 0, err
}
return val.(uint16), nil
}
// Uint16Var defines a uint flag with specified name, default value, and usage string.
// The argument p points to a uint variable in which to store the value of the flag.
func (f *FlagSet) Uint16Var(p *uint16, name string, value uint16, usage string) {
f.VarP(newUint16Value(value, p), name, "", usage)
}
// Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) {
f.VarP(newUint16Value(value, p), name, shorthand, usage)
}
// Uint16Var defines a uint flag with specified name, default value, and usage string.
// The argument p points to a uint variable in which to store the value of the flag.
func Uint16Var(p *uint16, name string, value uint16, usage string) {
CommandLine.VarP(newUint16Value(value, p), name, "", usage)
}
// Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash.
func Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) {
CommandLine.VarP(newUint16Value(value, p), name, shorthand, usage)
}
// Uint16 defines a uint flag with specified name, default value, and usage string.
// The return value is the address of a uint variable that stores the value of the flag.
func (f *FlagSet) Uint16(name string, value uint16, usage string) *uint16 {
p := new(uint16)
f.Uint16VarP(p, name, "", value, usage)
return p
}
// Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Uint16P(name, shorthand string, value uint16, usage string) *uint16 {
p := new(uint16)
f.Uint16VarP(p, name, shorthand, value, usage)
return p
}
// Uint16 defines a uint flag with specified name, default value, and usage string.
// The return value is the address of a uint variable that stores the value of the flag.
func Uint16(name string, value uint16, usage string) *uint16 {
return CommandLine.Uint16P(name, "", value, usage)
}
// Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash.
func Uint16P(name, shorthand string, value uint16, usage string) *uint16 {
return CommandLine.Uint16P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/uint32.go generated vendored Normal file
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package pflag
import "strconv"
// -- uint32 value
type uint32Value uint32
func newUint32Value(val uint32, p *uint32) *uint32Value {
*p = val
return (*uint32Value)(p)
}
func (i *uint32Value) Set(s string) error {
v, err := strconv.ParseUint(s, 0, 32)
*i = uint32Value(v)
return err
}
func (i *uint32Value) Type() string {
return "uint32"
}
func (i *uint32Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
func uint32Conv(sval string) (interface{}, error) {
v, err := strconv.ParseUint(sval, 0, 32)
if err != nil {
return 0, err
}
return uint32(v), nil
}
// GetUint32 return the uint32 value of a flag with the given name
func (f *FlagSet) GetUint32(name string) (uint32, error) {
val, err := f.getFlagType(name, "uint32", uint32Conv)
if err != nil {
return 0, err
}
return val.(uint32), nil
}
// Uint32Var defines a uint32 flag with specified name, default value, and usage string.
// The argument p points to a uint32 variable in which to store the value of the flag.
func (f *FlagSet) Uint32Var(p *uint32, name string, value uint32, usage string) {
f.VarP(newUint32Value(value, p), name, "", usage)
}
// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) {
f.VarP(newUint32Value(value, p), name, shorthand, usage)
}
// Uint32Var defines a uint32 flag with specified name, default value, and usage string.
// The argument p points to a uint32 variable in which to store the value of the flag.
func Uint32Var(p *uint32, name string, value uint32, usage string) {
CommandLine.VarP(newUint32Value(value, p), name, "", usage)
}
// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash.
func Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) {
CommandLine.VarP(newUint32Value(value, p), name, shorthand, usage)
}
// Uint32 defines a uint32 flag with specified name, default value, and usage string.
// The return value is the address of a uint32 variable that stores the value of the flag.
func (f *FlagSet) Uint32(name string, value uint32, usage string) *uint32 {
p := new(uint32)
f.Uint32VarP(p, name, "", value, usage)
return p
}
// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Uint32P(name, shorthand string, value uint32, usage string) *uint32 {
p := new(uint32)
f.Uint32VarP(p, name, shorthand, value, usage)
return p
}
// Uint32 defines a uint32 flag with specified name, default value, and usage string.
// The return value is the address of a uint32 variable that stores the value of the flag.
func Uint32(name string, value uint32, usage string) *uint32 {
return CommandLine.Uint32P(name, "", value, usage)
}
// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash.
func Uint32P(name, shorthand string, value uint32, usage string) *uint32 {
return CommandLine.Uint32P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/uint64.go generated vendored Normal file
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package pflag
import "strconv"
// -- uint64 Value
type uint64Value uint64
func newUint64Value(val uint64, p *uint64) *uint64Value {
*p = val
return (*uint64Value)(p)
}
func (i *uint64Value) Set(s string) error {
v, err := strconv.ParseUint(s, 0, 64)
*i = uint64Value(v)
return err
}
func (i *uint64Value) Type() string {
return "uint64"
}
func (i *uint64Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
func uint64Conv(sval string) (interface{}, error) {
v, err := strconv.ParseUint(sval, 0, 64)
if err != nil {
return 0, err
}
return uint64(v), nil
}
// GetUint64 return the uint64 value of a flag with the given name
func (f *FlagSet) GetUint64(name string) (uint64, error) {
val, err := f.getFlagType(name, "uint64", uint64Conv)
if err != nil {
return 0, err
}
return val.(uint64), nil
}
// Uint64Var defines a uint64 flag with specified name, default value, and usage string.
// The argument p points to a uint64 variable in which to store the value of the flag.
func (f *FlagSet) Uint64Var(p *uint64, name string, value uint64, usage string) {
f.VarP(newUint64Value(value, p), name, "", usage)
}
// Uint64VarP is like Uint64Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Uint64VarP(p *uint64, name, shorthand string, value uint64, usage string) {
f.VarP(newUint64Value(value, p), name, shorthand, usage)
}
// Uint64Var defines a uint64 flag with specified name, default value, and usage string.
// The argument p points to a uint64 variable in which to store the value of the flag.
func Uint64Var(p *uint64, name string, value uint64, usage string) {
CommandLine.VarP(newUint64Value(value, p), name, "", usage)
}
// Uint64VarP is like Uint64Var, but accepts a shorthand letter that can be used after a single dash.
func Uint64VarP(p *uint64, name, shorthand string, value uint64, usage string) {
CommandLine.VarP(newUint64Value(value, p), name, shorthand, usage)
}
// Uint64 defines a uint64 flag with specified name, default value, and usage string.
// The return value is the address of a uint64 variable that stores the value of the flag.
func (f *FlagSet) Uint64(name string, value uint64, usage string) *uint64 {
p := new(uint64)
f.Uint64VarP(p, name, "", value, usage)
return p
}
// Uint64P is like Uint64, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Uint64P(name, shorthand string, value uint64, usage string) *uint64 {
p := new(uint64)
f.Uint64VarP(p, name, shorthand, value, usage)
return p
}
// Uint64 defines a uint64 flag with specified name, default value, and usage string.
// The return value is the address of a uint64 variable that stores the value of the flag.
func Uint64(name string, value uint64, usage string) *uint64 {
return CommandLine.Uint64P(name, "", value, usage)
}
// Uint64P is like Uint64, but accepts a shorthand letter that can be used after a single dash.
func Uint64P(name, shorthand string, value uint64, usage string) *uint64 {
return CommandLine.Uint64P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/uint8.go generated vendored Normal file
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package pflag
import "strconv"
// -- uint8 Value
type uint8Value uint8
func newUint8Value(val uint8, p *uint8) *uint8Value {
*p = val
return (*uint8Value)(p)
}
func (i *uint8Value) Set(s string) error {
v, err := strconv.ParseUint(s, 0, 8)
*i = uint8Value(v)
return err
}
func (i *uint8Value) Type() string {
return "uint8"
}
func (i *uint8Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
func uint8Conv(sval string) (interface{}, error) {
v, err := strconv.ParseUint(sval, 0, 8)
if err != nil {
return 0, err
}
return uint8(v), nil
}
// GetUint8 return the uint8 value of a flag with the given name
func (f *FlagSet) GetUint8(name string) (uint8, error) {
val, err := f.getFlagType(name, "uint8", uint8Conv)
if err != nil {
return 0, err
}
return val.(uint8), nil
}
// Uint8Var defines a uint8 flag with specified name, default value, and usage string.
// The argument p points to a uint8 variable in which to store the value of the flag.
func (f *FlagSet) Uint8Var(p *uint8, name string, value uint8, usage string) {
f.VarP(newUint8Value(value, p), name, "", usage)
}
// Uint8VarP is like Uint8Var, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Uint8VarP(p *uint8, name, shorthand string, value uint8, usage string) {
f.VarP(newUint8Value(value, p), name, shorthand, usage)
}
// Uint8Var defines a uint8 flag with specified name, default value, and usage string.
// The argument p points to a uint8 variable in which to store the value of the flag.
func Uint8Var(p *uint8, name string, value uint8, usage string) {
CommandLine.VarP(newUint8Value(value, p), name, "", usage)
}
// Uint8VarP is like Uint8Var, but accepts a shorthand letter that can be used after a single dash.
func Uint8VarP(p *uint8, name, shorthand string, value uint8, usage string) {
CommandLine.VarP(newUint8Value(value, p), name, shorthand, usage)
}
// Uint8 defines a uint8 flag with specified name, default value, and usage string.
// The return value is the address of a uint8 variable that stores the value of the flag.
func (f *FlagSet) Uint8(name string, value uint8, usage string) *uint8 {
p := new(uint8)
f.Uint8VarP(p, name, "", value, usage)
return p
}
// Uint8P is like Uint8, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) Uint8P(name, shorthand string, value uint8, usage string) *uint8 {
p := new(uint8)
f.Uint8VarP(p, name, shorthand, value, usage)
return p
}
// Uint8 defines a uint8 flag with specified name, default value, and usage string.
// The return value is the address of a uint8 variable that stores the value of the flag.
func Uint8(name string, value uint8, usage string) *uint8 {
return CommandLine.Uint8P(name, "", value, usage)
}
// Uint8P is like Uint8, but accepts a shorthand letter that can be used after a single dash.
func Uint8P(name, shorthand string, value uint8, usage string) *uint8 {
return CommandLine.Uint8P(name, shorthand, value, usage)
}

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vendor/github.com/spf13/pflag/uint_slice.go generated vendored Normal file
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package pflag
import (
"fmt"
"strconv"
"strings"
)
// -- uintSlice Value
type uintSliceValue struct {
value *[]uint
changed bool
}
func newUintSliceValue(val []uint, p *[]uint) *uintSliceValue {
uisv := new(uintSliceValue)
uisv.value = p
*uisv.value = val
return uisv
}
func (s *uintSliceValue) Set(val string) error {
ss := strings.Split(val, ",")
out := make([]uint, len(ss))
for i, d := range ss {
u, err := strconv.ParseUint(d, 10, 0)
if err != nil {
return err
}
out[i] = uint(u)
}
if !s.changed {
*s.value = out
} else {
*s.value = append(*s.value, out...)
}
s.changed = true
return nil
}
func (s *uintSliceValue) Type() string {
return "uintSlice"
}
func (s *uintSliceValue) String() string {
out := make([]string, len(*s.value))
for i, d := range *s.value {
out[i] = fmt.Sprintf("%d", d)
}
return "[" + strings.Join(out, ",") + "]"
}
func uintSliceConv(val string) (interface{}, error) {
val = strings.Trim(val, "[]")
// Empty string would cause a slice with one (empty) entry
if len(val) == 0 {
return []uint{}, nil
}
ss := strings.Split(val, ",")
out := make([]uint, len(ss))
for i, d := range ss {
u, err := strconv.ParseUint(d, 10, 0)
if err != nil {
return nil, err
}
out[i] = uint(u)
}
return out, nil
}
// GetUintSlice returns the []uint value of a flag with the given name.
func (f *FlagSet) GetUintSlice(name string) ([]uint, error) {
val, err := f.getFlagType(name, "uintSlice", uintSliceConv)
if err != nil {
return []uint{}, err
}
return val.([]uint), nil
}
// UintSliceVar defines a uintSlice flag with specified name, default value, and usage string.
// The argument p points to a []uint variable in which to store the value of the flag.
func (f *FlagSet) UintSliceVar(p *[]uint, name string, value []uint, usage string) {
f.VarP(newUintSliceValue(value, p), name, "", usage)
}
// UintSliceVarP is like UintSliceVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) UintSliceVarP(p *[]uint, name, shorthand string, value []uint, usage string) {
f.VarP(newUintSliceValue(value, p), name, shorthand, usage)
}
// UintSliceVar defines a uint[] flag with specified name, default value, and usage string.
// The argument p points to a uint[] variable in which to store the value of the flag.
func UintSliceVar(p *[]uint, name string, value []uint, usage string) {
CommandLine.VarP(newUintSliceValue(value, p), name, "", usage)
}
// UintSliceVarP is like the UintSliceVar, but accepts a shorthand letter that can be used after a single dash.
func UintSliceVarP(p *[]uint, name, shorthand string, value []uint, usage string) {
CommandLine.VarP(newUintSliceValue(value, p), name, shorthand, usage)
}
// UintSlice defines a []uint flag with specified name, default value, and usage string.
// The return value is the address of a []uint variable that stores the value of the flag.
func (f *FlagSet) UintSlice(name string, value []uint, usage string) *[]uint {
p := []uint{}
f.UintSliceVarP(&p, name, "", value, usage)
return &p
}
// UintSliceP is like UintSlice, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) UintSliceP(name, shorthand string, value []uint, usage string) *[]uint {
p := []uint{}
f.UintSliceVarP(&p, name, shorthand, value, usage)
return &p
}
// UintSlice defines a []uint flag with specified name, default value, and usage string.
// The return value is the address of a []uint variable that stores the value of the flag.
func UintSlice(name string, value []uint, usage string) *[]uint {
return CommandLine.UintSliceP(name, "", value, usage)
}
// UintSliceP is like UintSlice, but accepts a shorthand letter that can be used after a single dash.
func UintSliceP(name, shorthand string, value []uint, usage string) *[]uint {
return CommandLine.UintSliceP(name, shorthand, value, usage)
}

21
vendor/github.com/spf13/viper/LICENSE generated vendored Normal file
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The MIT License (MIT)
Copyright (c) 2014 Steve Francia
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

57
vendor/github.com/spf13/viper/flags.go generated vendored Normal file
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package viper
import "github.com/spf13/pflag"
// FlagValueSet is an interface that users can implement
// to bind a set of flags to viper.
type FlagValueSet interface {
VisitAll(fn func(FlagValue))
}
// FlagValue is an interface that users can implement
// to bind different flags to viper.
type FlagValue interface {
HasChanged() bool
Name() string
ValueString() string
ValueType() string
}
// pflagValueSet is a wrapper around *pflag.ValueSet
// that implements FlagValueSet.
type pflagValueSet struct {
flags *pflag.FlagSet
}
// VisitAll iterates over all *pflag.Flag inside the *pflag.FlagSet.
func (p pflagValueSet) VisitAll(fn func(flag FlagValue)) {
p.flags.VisitAll(func(flag *pflag.Flag) {
fn(pflagValue{flag})
})
}
// pflagValue is a wrapper aroung *pflag.flag
// that implements FlagValue
type pflagValue struct {
flag *pflag.Flag
}
// HasChanges returns whether the flag has changes or not.
func (p pflagValue) HasChanged() bool {
return p.flag.Changed
}
// Name returns the name of the flag.
func (p pflagValue) Name() string {
return p.flag.Name
}
// ValueString returns the value of the flag as a string.
func (p pflagValue) ValueString() string {
return p.flag.Value.String()
}
// ValueType returns the type of the flag as a string.
func (p pflagValue) ValueType() string {
return p.flag.Value.Type()
}

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vendor/github.com/spf13/viper/remote/remote.go generated vendored Normal file
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// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// Package remote integrates the remote features of Viper.
package remote
import (
"bytes"
"io"
"os"
"github.com/spf13/viper"
crypt "github.com/xordataexchange/crypt/config"
)
type remoteConfigProvider struct{}
func (rc remoteConfigProvider) Get(rp viper.RemoteProvider) (io.Reader, error) {
cm, err := getConfigManager(rp)
if err != nil {
return nil, err
}
b, err := cm.Get(rp.Path())
if err != nil {
return nil, err
}
return bytes.NewReader(b), nil
}
func (rc remoteConfigProvider) Watch(rp viper.RemoteProvider) (io.Reader, error) {
cm, err := getConfigManager(rp)
if err != nil {
return nil, err
}
resp, err := cm.Get(rp.Path())
if err != nil {
return nil, err
}
return bytes.NewReader(resp), nil
}
func (rc remoteConfigProvider) WatchChannel(rp viper.RemoteProvider) (<-chan *viper.RemoteResponse, chan bool) {
cm, err := getConfigManager(rp)
if err != nil {
return nil, nil
}
quit := make(chan bool)
quitwc := make(chan bool)
viperResponsCh := make(chan *viper.RemoteResponse)
cryptoResponseCh := cm.Watch(rp.Path(), quit)
// need this function to convert the Channel response form crypt.Response to viper.Response
go func(cr <-chan *crypt.Response, vr chan<- *viper.RemoteResponse, quitwc <-chan bool, quit chan<- bool) {
for {
select {
case <-quitwc:
quit <- true
return
case resp := <-cr:
vr <- &viper.RemoteResponse{
Error: resp.Error,
Value: resp.Value,
}
}
}
}(cryptoResponseCh, viperResponsCh, quitwc, quit)
return viperResponsCh, quitwc
}
func getConfigManager(rp viper.RemoteProvider) (crypt.ConfigManager, error) {
var cm crypt.ConfigManager
var err error
if rp.SecretKeyring() != "" {
kr, err := os.Open(rp.SecretKeyring())
defer kr.Close()
if err != nil {
return nil, err
}
if rp.Provider() == "etcd" {
cm, err = crypt.NewEtcdConfigManager([]string{rp.Endpoint()}, kr)
} else {
cm, err = crypt.NewConsulConfigManager([]string{rp.Endpoint()}, kr)
}
} else {
if rp.Provider() == "etcd" {
cm, err = crypt.NewStandardEtcdConfigManager([]string{rp.Endpoint()})
} else {
cm, err = crypt.NewStandardConsulConfigManager([]string{rp.Endpoint()})
}
}
if err != nil {
return nil, err
}
return cm, nil
}
func init() {
viper.RemoteConfig = &remoteConfigProvider{}
}

221
vendor/github.com/spf13/viper/util.go generated vendored Normal file
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// Copyright © 2014 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// Viper is a application configuration system.
// It believes that applications can be configured a variety of ways
// via flags, ENVIRONMENT variables, configuration files retrieved
// from the file system, or a remote key/value store.
package viper
import (
"fmt"
"os"
"path/filepath"
"runtime"
"strings"
"unicode"
"github.com/spf13/afero"
"github.com/spf13/cast"
jww "github.com/spf13/jwalterweatherman"
)
// ConfigParseError denotes failing to parse configuration file.
type ConfigParseError struct {
err error
}
// Error returns the formatted configuration error.
func (pe ConfigParseError) Error() string {
return fmt.Sprintf("While parsing config: %s", pe.err.Error())
}
// toCaseInsensitiveValue checks if the value is a map;
// if so, create a copy and lower-case the keys recursively.
func toCaseInsensitiveValue(value interface{}) interface{} {
switch v := value.(type) {
case map[interface{}]interface{}:
value = copyAndInsensitiviseMap(cast.ToStringMap(v))
case map[string]interface{}:
value = copyAndInsensitiviseMap(v)
}
return value
}
// copyAndInsensitiviseMap behaves like insensitiviseMap, but creates a copy of
// any map it makes case insensitive.
func copyAndInsensitiviseMap(m map[string]interface{}) map[string]interface{} {
nm := make(map[string]interface{})
for key, val := range m {
lkey := strings.ToLower(key)
switch v := val.(type) {
case map[interface{}]interface{}:
nm[lkey] = copyAndInsensitiviseMap(cast.ToStringMap(v))
case map[string]interface{}:
nm[lkey] = copyAndInsensitiviseMap(v)
default:
nm[lkey] = v
}
}
return nm
}
func insensitiviseMap(m map[string]interface{}) {
for key, val := range m {
switch val.(type) {
case map[interface{}]interface{}:
// nested map: cast and recursively insensitivise
val = cast.ToStringMap(val)
insensitiviseMap(val.(map[string]interface{}))
case map[string]interface{}:
// nested map: recursively insensitivise
insensitiviseMap(val.(map[string]interface{}))
}
lower := strings.ToLower(key)
if key != lower {
// remove old key (not lower-cased)
delete(m, key)
}
// update map
m[lower] = val
}
}
func absPathify(inPath string) string {
jww.INFO.Println("Trying to resolve absolute path to", inPath)
if strings.HasPrefix(inPath, "$HOME") {
inPath = userHomeDir() + inPath[5:]
}
if strings.HasPrefix(inPath, "$") {
end := strings.Index(inPath, string(os.PathSeparator))
inPath = os.Getenv(inPath[1:end]) + inPath[end:]
}
if filepath.IsAbs(inPath) {
return filepath.Clean(inPath)
}
p, err := filepath.Abs(inPath)
if err == nil {
return filepath.Clean(p)
}
jww.ERROR.Println("Couldn't discover absolute path")
jww.ERROR.Println(err)
return ""
}
// Check if File / Directory Exists
func exists(fs afero.Fs, path string) (bool, error) {
_, err := fs.Stat(path)
if err == nil {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
func stringInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}
func userHomeDir() string {
if runtime.GOOS == "windows" {
home := os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
if home == "" {
home = os.Getenv("USERPROFILE")
}
return home
}
return os.Getenv("HOME")
}
func safeMul(a, b uint) uint {
c := a * b
if a > 1 && b > 1 && c/b != a {
return 0
}
return c
}
// parseSizeInBytes converts strings like 1GB or 12 mb into an unsigned integer number of bytes
func parseSizeInBytes(sizeStr string) uint {
sizeStr = strings.TrimSpace(sizeStr)
lastChar := len(sizeStr) - 1
multiplier := uint(1)
if lastChar > 0 {
if sizeStr[lastChar] == 'b' || sizeStr[lastChar] == 'B' {
if lastChar > 1 {
switch unicode.ToLower(rune(sizeStr[lastChar-1])) {
case 'k':
multiplier = 1 << 10
sizeStr = strings.TrimSpace(sizeStr[:lastChar-1])
case 'm':
multiplier = 1 << 20
sizeStr = strings.TrimSpace(sizeStr[:lastChar-1])
case 'g':
multiplier = 1 << 30
sizeStr = strings.TrimSpace(sizeStr[:lastChar-1])
default:
multiplier = 1
sizeStr = strings.TrimSpace(sizeStr[:lastChar])
}
}
}
}
size := cast.ToInt(sizeStr)
if size < 0 {
size = 0
}
return safeMul(uint(size), multiplier)
}
// deepSearch scans deep maps, following the key indexes listed in the
// sequence "path".
// The last value is expected to be another map, and is returned.
//
// In case intermediate keys do not exist, or map to a non-map value,
// a new map is created and inserted, and the search continues from there:
// the initial map "m" may be modified!
func deepSearch(m map[string]interface{}, path []string) map[string]interface{} {
for _, k := range path {
m2, ok := m[k]
if !ok {
// intermediate key does not exist
// => create it and continue from there
m3 := make(map[string]interface{})
m[k] = m3
m = m3
continue
}
m3, ok := m2.(map[string]interface{})
if !ok {
// intermediate key is a value
// => replace with a new map
m3 = make(map[string]interface{})
m[k] = m3
}
// continue search from here
m = m3
}
return m
}

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