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6a3fc71397
* Update dependencies and go1.18 * Exclude unnecessary linters and update build to go1.18
1332 lines
43 KiB
Go
1332 lines
43 KiB
Go
package echo
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import (
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"encoding"
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"encoding/json"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"time"
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)
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/**
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Following functions provide handful of methods for binding to Go native types from request query or path parameters.
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* QueryParamsBinder(c) - binds query parameters (source URL)
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* PathParamsBinder(c) - binds path parameters (source URL)
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* FormFieldBinder(c) - binds form fields (source URL + body)
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Example:
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```go
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var length int64
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err := echo.QueryParamsBinder(c).Int64("length", &length).BindError()
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```
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For every supported type there are following methods:
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* <Type>("param", &destination) - if parameter value exists then binds it to given destination of that type i.e Int64(...).
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* Must<Type>("param", &destination) - parameter value is required to exist, binds it to given destination of that type i.e MustInt64(...).
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* <Type>s("param", &destination) - (for slices) if parameter values exists then binds it to given destination of that type i.e Int64s(...).
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* Must<Type>s("param", &destination) - (for slices) parameter value is required to exist, binds it to given destination of that type i.e MustInt64s(...).
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for some slice types `BindWithDelimiter("param", &dest, ",")` supports splitting parameter values before type conversion is done
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i.e. URL `/api/search?id=1,2,3&id=1` can be bind to `[]int64{1,2,3,1}`
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`FailFast` flags binder to stop binding after first bind error during binder call chain. Enabled by default.
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`BindError()` returns first bind error from binder and resets errors in binder. Useful along with `FailFast()` method
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to do binding and returns on first problem
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`BindErrors()` returns all bind errors from binder and resets errors in binder.
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Types that are supported:
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* bool
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* float32
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* float64
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* int
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* int8
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* int16
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* int32
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* int64
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* uint
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* uint8/byte (does not support `bytes()`. Use BindUnmarshaler/CustomFunc to convert value from base64 etc to []byte{})
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* uint16
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* uint32
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* uint64
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* string
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* time
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* duration
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* BindUnmarshaler() interface
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* TextUnmarshaler() interface
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* JSONUnmarshaler() interface
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* UnixTime() - converts unix time (integer) to time.Time
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* UnixTimeMilli() - converts unix time with millisecond precision (integer) to time.Time
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* UnixTimeNano() - converts unix time with nanosecond precision (integer) to time.Time
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* CustomFunc() - callback function for your custom conversion logic. Signature `func(values []string) []error`
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*/
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// BindingError represents an error that occurred while binding request data.
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type BindingError struct {
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// Field is the field name where value binding failed
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Field string `json:"field"`
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// Values of parameter that failed to bind.
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Values []string `json:"-"`
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*HTTPError
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}
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// NewBindingError creates new instance of binding error
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func NewBindingError(sourceParam string, values []string, message interface{}, internalError error) error {
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return &BindingError{
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Field: sourceParam,
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Values: values,
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HTTPError: &HTTPError{
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Code: http.StatusBadRequest,
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Message: message,
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Internal: internalError,
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},
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}
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}
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// Error returns error message
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func (be *BindingError) Error() string {
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return fmt.Sprintf("%s, field=%s", be.HTTPError.Error(), be.Field)
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}
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// ValueBinder provides utility methods for binding query or path parameter to various Go built-in types
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type ValueBinder struct {
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// failFast is flag for binding methods to return without attempting to bind when previous binding already failed
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failFast bool
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errors []error
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// ValueFunc is used to get single parameter (first) value from request
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ValueFunc func(sourceParam string) string
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// ValuesFunc is used to get all values for parameter from request. i.e. `/api/search?ids=1&ids=2`
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ValuesFunc func(sourceParam string) []string
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// ErrorFunc is used to create errors. Allows you to use your own error type, that for example marshals to your specific json response
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ErrorFunc func(sourceParam string, values []string, message interface{}, internalError error) error
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}
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// QueryParamsBinder creates query parameter value binder
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func QueryParamsBinder(c Context) *ValueBinder {
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return &ValueBinder{
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failFast: true,
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ValueFunc: c.QueryParam,
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ValuesFunc: func(sourceParam string) []string {
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values, ok := c.QueryParams()[sourceParam]
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if !ok {
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return nil
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}
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return values
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},
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ErrorFunc: NewBindingError,
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}
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}
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// PathParamsBinder creates path parameter value binder
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func PathParamsBinder(c Context) *ValueBinder {
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return &ValueBinder{
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failFast: true,
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ValueFunc: c.Param,
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ValuesFunc: func(sourceParam string) []string {
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// path parameter should not have multiple values so getting values does not make sense but lets not error out here
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value := c.Param(sourceParam)
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if value == "" {
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return nil
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}
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return []string{value}
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},
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ErrorFunc: NewBindingError,
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}
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}
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// FormFieldBinder creates form field value binder
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// For all requests, FormFieldBinder parses the raw query from the URL and uses query params as form fields
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//
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// For POST, PUT, and PATCH requests, it also reads the request body, parses it
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// as a form and uses query params as form fields. Request body parameters take precedence over URL query
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// string values in r.Form.
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//
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// NB: when binding forms take note that this implementation uses standard library form parsing
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// which parses form data from BOTH URL and BODY if content type is not MIMEMultipartForm
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// See https://golang.org/pkg/net/http/#Request.ParseForm
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func FormFieldBinder(c Context) *ValueBinder {
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vb := &ValueBinder{
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failFast: true,
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ValueFunc: func(sourceParam string) string {
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return c.Request().FormValue(sourceParam)
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},
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ErrorFunc: NewBindingError,
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}
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vb.ValuesFunc = func(sourceParam string) []string {
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if c.Request().Form == nil {
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// this is same as `Request().FormValue()` does internally
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_ = c.Request().ParseMultipartForm(32 << 20)
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}
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values, ok := c.Request().Form[sourceParam]
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if !ok {
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return nil
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}
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return values
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}
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return vb
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}
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// FailFast set internal flag to indicate if binding methods will return early (without binding) when previous bind failed
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// NB: call this method before any other binding methods as it modifies binding methods behaviour
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func (b *ValueBinder) FailFast(value bool) *ValueBinder {
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b.failFast = value
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return b
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}
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func (b *ValueBinder) setError(err error) {
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if b.errors == nil {
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b.errors = []error{err}
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return
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}
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b.errors = append(b.errors, err)
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}
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// BindError returns first seen bind error and resets/empties binder errors for further calls
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func (b *ValueBinder) BindError() error {
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if b.errors == nil {
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return nil
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}
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err := b.errors[0]
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b.errors = nil // reset errors so next chain will start from zero
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return err
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}
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// BindErrors returns all bind errors and resets/empties binder errors for further calls
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func (b *ValueBinder) BindErrors() []error {
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if b.errors == nil {
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return nil
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}
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errors := b.errors
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b.errors = nil // reset errors so next chain will start from zero
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return errors
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}
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// CustomFunc binds parameter values with Func. Func is called only when parameter values exist.
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func (b *ValueBinder) CustomFunc(sourceParam string, customFunc func(values []string) []error) *ValueBinder {
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return b.customFunc(sourceParam, customFunc, false)
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}
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// MustCustomFunc requires parameter values to exist to bind with Func. Returns error when value does not exist.
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func (b *ValueBinder) MustCustomFunc(sourceParam string, customFunc func(values []string) []error) *ValueBinder {
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return b.customFunc(sourceParam, customFunc, true)
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}
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func (b *ValueBinder) customFunc(sourceParam string, customFunc func(values []string) []error, valueMustExist bool) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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values := b.ValuesFunc(sourceParam)
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if len(values) == 0 {
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if valueMustExist {
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b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
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}
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return b
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}
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if errs := customFunc(values); errs != nil {
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b.errors = append(b.errors, errs...)
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}
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return b
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}
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// String binds parameter to string variable
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func (b *ValueBinder) String(sourceParam string, dest *string) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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value := b.ValueFunc(sourceParam)
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if value == "" {
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return b
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}
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*dest = value
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return b
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}
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// MustString requires parameter value to exist to bind to string variable. Returns error when value does not exist
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func (b *ValueBinder) MustString(sourceParam string, dest *string) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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value := b.ValueFunc(sourceParam)
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if value == "" {
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b.setError(b.ErrorFunc(sourceParam, []string{value}, "required field value is empty", nil))
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return b
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}
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*dest = value
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return b
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}
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// Strings binds parameter values to slice of string
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func (b *ValueBinder) Strings(sourceParam string, dest *[]string) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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value := b.ValuesFunc(sourceParam)
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if value == nil {
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return b
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}
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*dest = value
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return b
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}
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// MustStrings requires parameter values to exist to bind to slice of string variables. Returns error when value does not exist
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func (b *ValueBinder) MustStrings(sourceParam string, dest *[]string) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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value := b.ValuesFunc(sourceParam)
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if value == nil {
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b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
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return b
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}
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*dest = value
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return b
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}
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// BindUnmarshaler binds parameter to destination implementing BindUnmarshaler interface
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func (b *ValueBinder) BindUnmarshaler(sourceParam string, dest BindUnmarshaler) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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tmp := b.ValueFunc(sourceParam)
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if tmp == "" {
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return b
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}
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if err := dest.UnmarshalParam(tmp); err != nil {
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b.setError(b.ErrorFunc(sourceParam, []string{tmp}, "failed to bind field value to BindUnmarshaler interface", err))
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}
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return b
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}
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// MustBindUnmarshaler requires parameter value to exist to bind to destination implementing BindUnmarshaler interface.
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// Returns error when value does not exist
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func (b *ValueBinder) MustBindUnmarshaler(sourceParam string, dest BindUnmarshaler) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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value := b.ValueFunc(sourceParam)
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if value == "" {
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b.setError(b.ErrorFunc(sourceParam, []string{value}, "required field value is empty", nil))
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return b
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}
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if err := dest.UnmarshalParam(value); err != nil {
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b.setError(b.ErrorFunc(sourceParam, []string{value}, "failed to bind field value to BindUnmarshaler interface", err))
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}
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return b
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}
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// JSONUnmarshaler binds parameter to destination implementing json.Unmarshaler interface
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func (b *ValueBinder) JSONUnmarshaler(sourceParam string, dest json.Unmarshaler) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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tmp := b.ValueFunc(sourceParam)
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if tmp == "" {
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return b
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}
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if err := dest.UnmarshalJSON([]byte(tmp)); err != nil {
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b.setError(b.ErrorFunc(sourceParam, []string{tmp}, "failed to bind field value to json.Unmarshaler interface", err))
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}
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return b
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}
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// MustJSONUnmarshaler requires parameter value to exist to bind to destination implementing json.Unmarshaler interface.
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// Returns error when value does not exist
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func (b *ValueBinder) MustJSONUnmarshaler(sourceParam string, dest json.Unmarshaler) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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tmp := b.ValueFunc(sourceParam)
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if tmp == "" {
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b.setError(b.ErrorFunc(sourceParam, []string{tmp}, "required field value is empty", nil))
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return b
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}
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if err := dest.UnmarshalJSON([]byte(tmp)); err != nil {
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b.setError(b.ErrorFunc(sourceParam, []string{tmp}, "failed to bind field value to json.Unmarshaler interface", err))
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}
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return b
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}
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// TextUnmarshaler binds parameter to destination implementing encoding.TextUnmarshaler interface
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func (b *ValueBinder) TextUnmarshaler(sourceParam string, dest encoding.TextUnmarshaler) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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tmp := b.ValueFunc(sourceParam)
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if tmp == "" {
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return b
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}
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if err := dest.UnmarshalText([]byte(tmp)); err != nil {
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b.setError(b.ErrorFunc(sourceParam, []string{tmp}, "failed to bind field value to encoding.TextUnmarshaler interface", err))
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}
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return b
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}
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// MustTextUnmarshaler requires parameter value to exist to bind to destination implementing encoding.TextUnmarshaler interface.
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// Returns error when value does not exist
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func (b *ValueBinder) MustTextUnmarshaler(sourceParam string, dest encoding.TextUnmarshaler) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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tmp := b.ValueFunc(sourceParam)
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if tmp == "" {
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b.setError(b.ErrorFunc(sourceParam, []string{tmp}, "required field value is empty", nil))
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return b
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}
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if err := dest.UnmarshalText([]byte(tmp)); err != nil {
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b.setError(b.ErrorFunc(sourceParam, []string{tmp}, "failed to bind field value to encoding.TextUnmarshaler interface", err))
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}
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return b
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}
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// BindWithDelimiter binds parameter to destination by suitable conversion function.
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// Delimiter is used before conversion to split parameter value to separate values
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func (b *ValueBinder) BindWithDelimiter(sourceParam string, dest interface{}, delimiter string) *ValueBinder {
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return b.bindWithDelimiter(sourceParam, dest, delimiter, false)
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}
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// MustBindWithDelimiter requires parameter value to exist to bind destination by suitable conversion function.
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// Delimiter is used before conversion to split parameter value to separate values
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func (b *ValueBinder) MustBindWithDelimiter(sourceParam string, dest interface{}, delimiter string) *ValueBinder {
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return b.bindWithDelimiter(sourceParam, dest, delimiter, true)
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}
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func (b *ValueBinder) bindWithDelimiter(sourceParam string, dest interface{}, delimiter string, valueMustExist bool) *ValueBinder {
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if b.failFast && b.errors != nil {
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return b
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}
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values := b.ValuesFunc(sourceParam)
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if len(values) == 0 {
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if valueMustExist {
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b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
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}
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return b
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}
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tmpValues := make([]string, 0, len(values))
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for _, v := range values {
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tmpValues = append(tmpValues, strings.Split(v, delimiter)...)
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}
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switch d := dest.(type) {
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case *[]string:
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*d = tmpValues
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return b
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case *[]bool:
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return b.bools(sourceParam, tmpValues, d)
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case *[]int64, *[]int32, *[]int16, *[]int8, *[]int:
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return b.ints(sourceParam, tmpValues, d)
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case *[]uint64, *[]uint32, *[]uint16, *[]uint8, *[]uint: // *[]byte is same as *[]uint8
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return b.uints(sourceParam, tmpValues, d)
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case *[]float64, *[]float32:
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return b.floats(sourceParam, tmpValues, d)
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case *[]time.Duration:
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return b.durations(sourceParam, tmpValues, d)
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default:
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// support only cases when destination is slice
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// does not support time.Time as it needs argument (layout) for parsing or BindUnmarshaler
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b.setError(b.ErrorFunc(sourceParam, []string{}, "unsupported bind type", nil))
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return b
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}
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}
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// Int64 binds parameter to int64 variable
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func (b *ValueBinder) Int64(sourceParam string, dest *int64) *ValueBinder {
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return b.intValue(sourceParam, dest, 64, false)
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}
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// MustInt64 requires parameter value to exist to bind to int64 variable. Returns error when value does not exist
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func (b *ValueBinder) MustInt64(sourceParam string, dest *int64) *ValueBinder {
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return b.intValue(sourceParam, dest, 64, true)
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}
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// Int32 binds parameter to int32 variable
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func (b *ValueBinder) Int32(sourceParam string, dest *int32) *ValueBinder {
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return b.intValue(sourceParam, dest, 32, false)
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}
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// MustInt32 requires parameter value to exist to bind to int32 variable. Returns error when value does not exist
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func (b *ValueBinder) MustInt32(sourceParam string, dest *int32) *ValueBinder {
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return b.intValue(sourceParam, dest, 32, true)
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}
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// Int16 binds parameter to int16 variable
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func (b *ValueBinder) Int16(sourceParam string, dest *int16) *ValueBinder {
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return b.intValue(sourceParam, dest, 16, false)
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}
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// MustInt16 requires parameter value to exist to bind to int16 variable. Returns error when value does not exist
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func (b *ValueBinder) MustInt16(sourceParam string, dest *int16) *ValueBinder {
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return b.intValue(sourceParam, dest, 16, true)
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}
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// Int8 binds parameter to int8 variable
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func (b *ValueBinder) Int8(sourceParam string, dest *int8) *ValueBinder {
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return b.intValue(sourceParam, dest, 8, false)
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}
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// MustInt8 requires parameter value to exist to bind to int8 variable. Returns error when value does not exist
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func (b *ValueBinder) MustInt8(sourceParam string, dest *int8) *ValueBinder {
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return b.intValue(sourceParam, dest, 8, true)
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}
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// Int binds parameter to int variable
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func (b *ValueBinder) Int(sourceParam string, dest *int) *ValueBinder {
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return b.intValue(sourceParam, dest, 0, false)
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}
|
|
|
|
// MustInt requires parameter value to exist to bind to int variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustInt(sourceParam string, dest *int) *ValueBinder {
|
|
return b.intValue(sourceParam, dest, 0, true)
|
|
}
|
|
|
|
func (b *ValueBinder) intValue(sourceParam string, dest interface{}, bitSize int, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
value := b.ValueFunc(sourceParam)
|
|
if value == "" {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
|
|
return b.int(sourceParam, value, dest, bitSize)
|
|
}
|
|
|
|
func (b *ValueBinder) int(sourceParam string, value string, dest interface{}, bitSize int) *ValueBinder {
|
|
n, err := strconv.ParseInt(value, 10, bitSize)
|
|
if err != nil {
|
|
if bitSize == 0 {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "failed to bind field value to int", err))
|
|
} else {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, fmt.Sprintf("failed to bind field value to int%v", bitSize), err))
|
|
}
|
|
return b
|
|
}
|
|
|
|
switch d := dest.(type) {
|
|
case *int64:
|
|
*d = n
|
|
case *int32:
|
|
*d = int32(n)
|
|
case *int16:
|
|
*d = int16(n)
|
|
case *int8:
|
|
*d = int8(n)
|
|
case *int:
|
|
*d = int(n)
|
|
}
|
|
return b
|
|
}
|
|
|
|
func (b *ValueBinder) intsValue(sourceParam string, dest interface{}, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
values := b.ValuesFunc(sourceParam)
|
|
if len(values) == 0 {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, values, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
return b.ints(sourceParam, values, dest)
|
|
}
|
|
|
|
func (b *ValueBinder) ints(sourceParam string, values []string, dest interface{}) *ValueBinder {
|
|
switch d := dest.(type) {
|
|
case *[]int64:
|
|
tmp := make([]int64, len(values))
|
|
for i, v := range values {
|
|
b.int(sourceParam, v, &tmp[i], 64)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]int32:
|
|
tmp := make([]int32, len(values))
|
|
for i, v := range values {
|
|
b.int(sourceParam, v, &tmp[i], 32)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]int16:
|
|
tmp := make([]int16, len(values))
|
|
for i, v := range values {
|
|
b.int(sourceParam, v, &tmp[i], 16)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]int8:
|
|
tmp := make([]int8, len(values))
|
|
for i, v := range values {
|
|
b.int(sourceParam, v, &tmp[i], 8)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]int:
|
|
tmp := make([]int, len(values))
|
|
for i, v := range values {
|
|
b.int(sourceParam, v, &tmp[i], 0)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
}
|
|
return b
|
|
}
|
|
|
|
// Int64s binds parameter to slice of int64
|
|
func (b *ValueBinder) Int64s(sourceParam string, dest *[]int64) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustInt64s requires parameter value to exist to bind to int64 slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustInt64s(sourceParam string, dest *[]int64) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Int32s binds parameter to slice of int32
|
|
func (b *ValueBinder) Int32s(sourceParam string, dest *[]int32) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustInt32s requires parameter value to exist to bind to int32 slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustInt32s(sourceParam string, dest *[]int32) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Int16s binds parameter to slice of int16
|
|
func (b *ValueBinder) Int16s(sourceParam string, dest *[]int16) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustInt16s requires parameter value to exist to bind to int16 slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustInt16s(sourceParam string, dest *[]int16) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Int8s binds parameter to slice of int8
|
|
func (b *ValueBinder) Int8s(sourceParam string, dest *[]int8) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustInt8s requires parameter value to exist to bind to int8 slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustInt8s(sourceParam string, dest *[]int8) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Ints binds parameter to slice of int
|
|
func (b *ValueBinder) Ints(sourceParam string, dest *[]int) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustInts requires parameter value to exist to bind to int slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustInts(sourceParam string, dest *[]int) *ValueBinder {
|
|
return b.intsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Uint64 binds parameter to uint64 variable
|
|
func (b *ValueBinder) Uint64(sourceParam string, dest *uint64) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 64, false)
|
|
}
|
|
|
|
// MustUint64 requires parameter value to exist to bind to uint64 variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint64(sourceParam string, dest *uint64) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 64, true)
|
|
}
|
|
|
|
// Uint32 binds parameter to uint32 variable
|
|
func (b *ValueBinder) Uint32(sourceParam string, dest *uint32) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 32, false)
|
|
}
|
|
|
|
// MustUint32 requires parameter value to exist to bind to uint32 variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint32(sourceParam string, dest *uint32) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 32, true)
|
|
}
|
|
|
|
// Uint16 binds parameter to uint16 variable
|
|
func (b *ValueBinder) Uint16(sourceParam string, dest *uint16) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 16, false)
|
|
}
|
|
|
|
// MustUint16 requires parameter value to exist to bind to uint16 variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint16(sourceParam string, dest *uint16) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 16, true)
|
|
}
|
|
|
|
// Uint8 binds parameter to uint8 variable
|
|
func (b *ValueBinder) Uint8(sourceParam string, dest *uint8) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 8, false)
|
|
}
|
|
|
|
// MustUint8 requires parameter value to exist to bind to uint8 variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint8(sourceParam string, dest *uint8) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 8, true)
|
|
}
|
|
|
|
// Byte binds parameter to byte variable
|
|
func (b *ValueBinder) Byte(sourceParam string, dest *byte) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 8, false)
|
|
}
|
|
|
|
// MustByte requires parameter value to exist to bind to byte variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustByte(sourceParam string, dest *byte) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 8, true)
|
|
}
|
|
|
|
// Uint binds parameter to uint variable
|
|
func (b *ValueBinder) Uint(sourceParam string, dest *uint) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 0, false)
|
|
}
|
|
|
|
// MustUint requires parameter value to exist to bind to uint variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint(sourceParam string, dest *uint) *ValueBinder {
|
|
return b.uintValue(sourceParam, dest, 0, true)
|
|
}
|
|
|
|
func (b *ValueBinder) uintValue(sourceParam string, dest interface{}, bitSize int, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
value := b.ValueFunc(sourceParam)
|
|
if value == "" {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
|
|
return b.uint(sourceParam, value, dest, bitSize)
|
|
}
|
|
|
|
func (b *ValueBinder) uint(sourceParam string, value string, dest interface{}, bitSize int) *ValueBinder {
|
|
n, err := strconv.ParseUint(value, 10, bitSize)
|
|
if err != nil {
|
|
if bitSize == 0 {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "failed to bind field value to uint", err))
|
|
} else {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, fmt.Sprintf("failed to bind field value to uint%v", bitSize), err))
|
|
}
|
|
return b
|
|
}
|
|
|
|
switch d := dest.(type) {
|
|
case *uint64:
|
|
*d = n
|
|
case *uint32:
|
|
*d = uint32(n)
|
|
case *uint16:
|
|
*d = uint16(n)
|
|
case *uint8: // byte is alias to uint8
|
|
*d = uint8(n)
|
|
case *uint:
|
|
*d = uint(n)
|
|
}
|
|
return b
|
|
}
|
|
|
|
func (b *ValueBinder) uintsValue(sourceParam string, dest interface{}, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
values := b.ValuesFunc(sourceParam)
|
|
if len(values) == 0 {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, values, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
return b.uints(sourceParam, values, dest)
|
|
}
|
|
|
|
func (b *ValueBinder) uints(sourceParam string, values []string, dest interface{}) *ValueBinder {
|
|
switch d := dest.(type) {
|
|
case *[]uint64:
|
|
tmp := make([]uint64, len(values))
|
|
for i, v := range values {
|
|
b.uint(sourceParam, v, &tmp[i], 64)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]uint32:
|
|
tmp := make([]uint32, len(values))
|
|
for i, v := range values {
|
|
b.uint(sourceParam, v, &tmp[i], 32)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]uint16:
|
|
tmp := make([]uint16, len(values))
|
|
for i, v := range values {
|
|
b.uint(sourceParam, v, &tmp[i], 16)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]uint8: // byte is alias to uint8
|
|
tmp := make([]uint8, len(values))
|
|
for i, v := range values {
|
|
b.uint(sourceParam, v, &tmp[i], 8)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]uint:
|
|
tmp := make([]uint, len(values))
|
|
for i, v := range values {
|
|
b.uint(sourceParam, v, &tmp[i], 0)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
}
|
|
return b
|
|
}
|
|
|
|
// Uint64s binds parameter to slice of uint64
|
|
func (b *ValueBinder) Uint64s(sourceParam string, dest *[]uint64) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustUint64s requires parameter value to exist to bind to uint64 slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint64s(sourceParam string, dest *[]uint64) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Uint32s binds parameter to slice of uint32
|
|
func (b *ValueBinder) Uint32s(sourceParam string, dest *[]uint32) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustUint32s requires parameter value to exist to bind to uint32 slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint32s(sourceParam string, dest *[]uint32) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Uint16s binds parameter to slice of uint16
|
|
func (b *ValueBinder) Uint16s(sourceParam string, dest *[]uint16) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustUint16s requires parameter value to exist to bind to uint16 slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint16s(sourceParam string, dest *[]uint16) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Uint8s binds parameter to slice of uint8
|
|
func (b *ValueBinder) Uint8s(sourceParam string, dest *[]uint8) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustUint8s requires parameter value to exist to bind to uint8 slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUint8s(sourceParam string, dest *[]uint8) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Uints binds parameter to slice of uint
|
|
func (b *ValueBinder) Uints(sourceParam string, dest *[]uint) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustUints requires parameter value to exist to bind to uint slice variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustUints(sourceParam string, dest *[]uint) *ValueBinder {
|
|
return b.uintsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Bool binds parameter to bool variable
|
|
func (b *ValueBinder) Bool(sourceParam string, dest *bool) *ValueBinder {
|
|
return b.boolValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustBool requires parameter value to exist to bind to bool variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustBool(sourceParam string, dest *bool) *ValueBinder {
|
|
return b.boolValue(sourceParam, dest, true)
|
|
}
|
|
|
|
func (b *ValueBinder) boolValue(sourceParam string, dest *bool, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
value := b.ValueFunc(sourceParam)
|
|
if value == "" {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
return b.bool(sourceParam, value, dest)
|
|
}
|
|
|
|
func (b *ValueBinder) bool(sourceParam string, value string, dest *bool) *ValueBinder {
|
|
n, err := strconv.ParseBool(value)
|
|
if err != nil {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "failed to bind field value to bool", err))
|
|
return b
|
|
}
|
|
|
|
*dest = n
|
|
return b
|
|
}
|
|
|
|
func (b *ValueBinder) boolsValue(sourceParam string, dest *[]bool, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
values := b.ValuesFunc(sourceParam)
|
|
if len(values) == 0 {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
return b.bools(sourceParam, values, dest)
|
|
}
|
|
|
|
func (b *ValueBinder) bools(sourceParam string, values []string, dest *[]bool) *ValueBinder {
|
|
tmp := make([]bool, len(values))
|
|
for i, v := range values {
|
|
b.bool(sourceParam, v, &tmp[i])
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*dest = tmp
|
|
}
|
|
return b
|
|
}
|
|
|
|
// Bools binds parameter values to slice of bool variables
|
|
func (b *ValueBinder) Bools(sourceParam string, dest *[]bool) *ValueBinder {
|
|
return b.boolsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustBools requires parameter values to exist to bind to slice of bool variables. Returns error when values does not exist
|
|
func (b *ValueBinder) MustBools(sourceParam string, dest *[]bool) *ValueBinder {
|
|
return b.boolsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Float64 binds parameter to float64 variable
|
|
func (b *ValueBinder) Float64(sourceParam string, dest *float64) *ValueBinder {
|
|
return b.floatValue(sourceParam, dest, 64, false)
|
|
}
|
|
|
|
// MustFloat64 requires parameter value to exist to bind to float64 variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustFloat64(sourceParam string, dest *float64) *ValueBinder {
|
|
return b.floatValue(sourceParam, dest, 64, true)
|
|
}
|
|
|
|
// Float32 binds parameter to float32 variable
|
|
func (b *ValueBinder) Float32(sourceParam string, dest *float32) *ValueBinder {
|
|
return b.floatValue(sourceParam, dest, 32, false)
|
|
}
|
|
|
|
// MustFloat32 requires parameter value to exist to bind to float32 variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustFloat32(sourceParam string, dest *float32) *ValueBinder {
|
|
return b.floatValue(sourceParam, dest, 32, true)
|
|
}
|
|
|
|
func (b *ValueBinder) floatValue(sourceParam string, dest interface{}, bitSize int, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
value := b.ValueFunc(sourceParam)
|
|
if value == "" {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
|
|
return b.float(sourceParam, value, dest, bitSize)
|
|
}
|
|
|
|
func (b *ValueBinder) float(sourceParam string, value string, dest interface{}, bitSize int) *ValueBinder {
|
|
n, err := strconv.ParseFloat(value, bitSize)
|
|
if err != nil {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, fmt.Sprintf("failed to bind field value to float%v", bitSize), err))
|
|
return b
|
|
}
|
|
|
|
switch d := dest.(type) {
|
|
case *float64:
|
|
*d = n
|
|
case *float32:
|
|
*d = float32(n)
|
|
}
|
|
return b
|
|
}
|
|
|
|
func (b *ValueBinder) floatsValue(sourceParam string, dest interface{}, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
values := b.ValuesFunc(sourceParam)
|
|
if len(values) == 0 {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
return b.floats(sourceParam, values, dest)
|
|
}
|
|
|
|
func (b *ValueBinder) floats(sourceParam string, values []string, dest interface{}) *ValueBinder {
|
|
switch d := dest.(type) {
|
|
case *[]float64:
|
|
tmp := make([]float64, len(values))
|
|
for i, v := range values {
|
|
b.float(sourceParam, v, &tmp[i], 64)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
case *[]float32:
|
|
tmp := make([]float32, len(values))
|
|
for i, v := range values {
|
|
b.float(sourceParam, v, &tmp[i], 32)
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
}
|
|
if b.errors == nil {
|
|
*d = tmp
|
|
}
|
|
}
|
|
return b
|
|
}
|
|
|
|
// Float64s binds parameter values to slice of float64 variables
|
|
func (b *ValueBinder) Float64s(sourceParam string, dest *[]float64) *ValueBinder {
|
|
return b.floatsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustFloat64s requires parameter values to exist to bind to slice of float64 variables. Returns error when values does not exist
|
|
func (b *ValueBinder) MustFloat64s(sourceParam string, dest *[]float64) *ValueBinder {
|
|
return b.floatsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Float32s binds parameter values to slice of float32 variables
|
|
func (b *ValueBinder) Float32s(sourceParam string, dest *[]float32) *ValueBinder {
|
|
return b.floatsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustFloat32s requires parameter values to exist to bind to slice of float32 variables. Returns error when values does not exist
|
|
func (b *ValueBinder) MustFloat32s(sourceParam string, dest *[]float32) *ValueBinder {
|
|
return b.floatsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
// Time binds parameter to time.Time variable
|
|
func (b *ValueBinder) Time(sourceParam string, dest *time.Time, layout string) *ValueBinder {
|
|
return b.time(sourceParam, dest, layout, false)
|
|
}
|
|
|
|
// MustTime requires parameter value to exist to bind to time.Time variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustTime(sourceParam string, dest *time.Time, layout string) *ValueBinder {
|
|
return b.time(sourceParam, dest, layout, true)
|
|
}
|
|
|
|
func (b *ValueBinder) time(sourceParam string, dest *time.Time, layout string, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
value := b.ValueFunc(sourceParam)
|
|
if value == "" {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
t, err := time.Parse(layout, value)
|
|
if err != nil {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "failed to bind field value to Time", err))
|
|
return b
|
|
}
|
|
*dest = t
|
|
return b
|
|
}
|
|
|
|
// Times binds parameter values to slice of time.Time variables
|
|
func (b *ValueBinder) Times(sourceParam string, dest *[]time.Time, layout string) *ValueBinder {
|
|
return b.times(sourceParam, dest, layout, false)
|
|
}
|
|
|
|
// MustTimes requires parameter values to exist to bind to slice of time.Time variables. Returns error when values does not exist
|
|
func (b *ValueBinder) MustTimes(sourceParam string, dest *[]time.Time, layout string) *ValueBinder {
|
|
return b.times(sourceParam, dest, layout, true)
|
|
}
|
|
|
|
func (b *ValueBinder) times(sourceParam string, dest *[]time.Time, layout string, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
values := b.ValuesFunc(sourceParam)
|
|
if len(values) == 0 {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
|
|
tmp := make([]time.Time, len(values))
|
|
for i, v := range values {
|
|
t, err := time.Parse(layout, v)
|
|
if err != nil {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{v}, "failed to bind field value to Time", err))
|
|
if b.failFast {
|
|
return b
|
|
}
|
|
continue
|
|
}
|
|
tmp[i] = t
|
|
}
|
|
if b.errors == nil {
|
|
*dest = tmp
|
|
}
|
|
return b
|
|
}
|
|
|
|
// Duration binds parameter to time.Duration variable
|
|
func (b *ValueBinder) Duration(sourceParam string, dest *time.Duration) *ValueBinder {
|
|
return b.duration(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustDuration requires parameter value to exist to bind to time.Duration variable. Returns error when value does not exist
|
|
func (b *ValueBinder) MustDuration(sourceParam string, dest *time.Duration) *ValueBinder {
|
|
return b.duration(sourceParam, dest, true)
|
|
}
|
|
|
|
func (b *ValueBinder) duration(sourceParam string, dest *time.Duration, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
value := b.ValueFunc(sourceParam)
|
|
if value == "" {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
t, err := time.ParseDuration(value)
|
|
if err != nil {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "failed to bind field value to Duration", err))
|
|
return b
|
|
}
|
|
*dest = t
|
|
return b
|
|
}
|
|
|
|
// Durations binds parameter values to slice of time.Duration variables
|
|
func (b *ValueBinder) Durations(sourceParam string, dest *[]time.Duration) *ValueBinder {
|
|
return b.durationsValue(sourceParam, dest, false)
|
|
}
|
|
|
|
// MustDurations requires parameter values to exist to bind to slice of time.Duration variables. Returns error when values does not exist
|
|
func (b *ValueBinder) MustDurations(sourceParam string, dest *[]time.Duration) *ValueBinder {
|
|
return b.durationsValue(sourceParam, dest, true)
|
|
}
|
|
|
|
func (b *ValueBinder) durationsValue(sourceParam string, dest *[]time.Duration, valueMustExist bool) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
values := b.ValuesFunc(sourceParam)
|
|
if len(values) == 0 {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
return b.durations(sourceParam, values, dest)
|
|
}
|
|
|
|
func (b *ValueBinder) durations(sourceParam string, values []string, dest *[]time.Duration) *ValueBinder {
|
|
tmp := make([]time.Duration, len(values))
|
|
for i, v := range values {
|
|
t, err := time.ParseDuration(v)
|
|
if err != nil {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{v}, "failed to bind field value to Duration", err))
|
|
if b.failFast {
|
|
return b
|
|
}
|
|
continue
|
|
}
|
|
tmp[i] = t
|
|
}
|
|
if b.errors == nil {
|
|
*dest = tmp
|
|
}
|
|
return b
|
|
}
|
|
|
|
// UnixTime binds parameter to time.Time variable (in local Time corresponding to the given Unix time).
|
|
//
|
|
// Example: 1609180603 bind to 2020-12-28T18:36:43.000000000+00:00
|
|
//
|
|
// Note:
|
|
// * time.Time{} (param is empty) and time.Unix(0,0) (param = "0") are not equal
|
|
func (b *ValueBinder) UnixTime(sourceParam string, dest *time.Time) *ValueBinder {
|
|
return b.unixTime(sourceParam, dest, false, time.Second)
|
|
}
|
|
|
|
// MustUnixTime requires parameter value to exist to bind to time.Duration variable (in local time corresponding
|
|
// to the given Unix time). Returns error when value does not exist.
|
|
//
|
|
// Example: 1609180603 bind to 2020-12-28T18:36:43.000000000+00:00
|
|
//
|
|
// Note:
|
|
// * time.Time{} (param is empty) and time.Unix(0,0) (param = "0") are not equal
|
|
func (b *ValueBinder) MustUnixTime(sourceParam string, dest *time.Time) *ValueBinder {
|
|
return b.unixTime(sourceParam, dest, true, time.Second)
|
|
}
|
|
|
|
// UnixTimeMilli binds parameter to time.Time variable (in local time corresponding to the given Unix time in millisecond precision).
|
|
//
|
|
// Example: 1647184410140 bind to 2022-03-13T15:13:30.140000000+00:00
|
|
//
|
|
// Note:
|
|
// * time.Time{} (param is empty) and time.Unix(0,0) (param = "0") are not equal
|
|
func (b *ValueBinder) UnixTimeMilli(sourceParam string, dest *time.Time) *ValueBinder {
|
|
return b.unixTime(sourceParam, dest, false, time.Millisecond)
|
|
}
|
|
|
|
// MustUnixTimeMilli requires parameter value to exist to bind to time.Duration variable (in local time corresponding
|
|
// to the given Unix time in millisecond precision). Returns error when value does not exist.
|
|
//
|
|
// Example: 1647184410140 bind to 2022-03-13T15:13:30.140000000+00:00
|
|
//
|
|
// Note:
|
|
// * time.Time{} (param is empty) and time.Unix(0,0) (param = "0") are not equal
|
|
func (b *ValueBinder) MustUnixTimeMilli(sourceParam string, dest *time.Time) *ValueBinder {
|
|
return b.unixTime(sourceParam, dest, true, time.Millisecond)
|
|
}
|
|
|
|
// UnixTimeNano binds parameter to time.Time variable (in local time corresponding to the given Unix time in nanosecond precision).
|
|
//
|
|
// Example: 1609180603123456789 binds to 2020-12-28T18:36:43.123456789+00:00
|
|
// Example: 1000000000 binds to 1970-01-01T00:00:01.000000000+00:00
|
|
// Example: 999999999 binds to 1970-01-01T00:00:00.999999999+00:00
|
|
//
|
|
// Note:
|
|
// * time.Time{} (param is empty) and time.Unix(0,0) (param = "0") are not equal
|
|
// * Javascript's Number type only has about 53 bits of precision (Number.MAX_SAFE_INTEGER = 9007199254740991). Compare it to 1609180603123456789 in example.
|
|
func (b *ValueBinder) UnixTimeNano(sourceParam string, dest *time.Time) *ValueBinder {
|
|
return b.unixTime(sourceParam, dest, false, time.Nanosecond)
|
|
}
|
|
|
|
// MustUnixTimeNano requires parameter value to exist to bind to time.Duration variable (in local Time corresponding
|
|
// to the given Unix time value in nano second precision). Returns error when value does not exist.
|
|
//
|
|
// Example: 1609180603123456789 binds to 2020-12-28T18:36:43.123456789+00:00
|
|
// Example: 1000000000 binds to 1970-01-01T00:00:01.000000000+00:00
|
|
// Example: 999999999 binds to 1970-01-01T00:00:00.999999999+00:00
|
|
//
|
|
// Note:
|
|
// * time.Time{} (param is empty) and time.Unix(0,0) (param = "0") are not equal
|
|
// * Javascript's Number type only has about 53 bits of precision (Number.MAX_SAFE_INTEGER = 9007199254740991). Compare it to 1609180603123456789 in example.
|
|
func (b *ValueBinder) MustUnixTimeNano(sourceParam string, dest *time.Time) *ValueBinder {
|
|
return b.unixTime(sourceParam, dest, true, time.Nanosecond)
|
|
}
|
|
|
|
func (b *ValueBinder) unixTime(sourceParam string, dest *time.Time, valueMustExist bool, precision time.Duration) *ValueBinder {
|
|
if b.failFast && b.errors != nil {
|
|
return b
|
|
}
|
|
|
|
value := b.ValueFunc(sourceParam)
|
|
if value == "" {
|
|
if valueMustExist {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "required field value is empty", nil))
|
|
}
|
|
return b
|
|
}
|
|
|
|
n, err := strconv.ParseInt(value, 10, 64)
|
|
if err != nil {
|
|
b.setError(b.ErrorFunc(sourceParam, []string{value}, "failed to bind field value to Time", err))
|
|
return b
|
|
}
|
|
|
|
switch precision {
|
|
case time.Second:
|
|
*dest = time.Unix(n, 0)
|
|
case time.Millisecond:
|
|
*dest = time.Unix(n/1e3, (n%1e3)*1e6) // TODO: time.UnixMilli(n) exists since Go1.17 switch to that when min version allows
|
|
case time.Nanosecond:
|
|
*dest = time.Unix(0, n)
|
|
}
|
|
return b
|
|
}
|