package stdlib import ( "os" "github.com/d5/tengo/objects" ) func makeOSFile(file *os.File) *objects.ImmutableMap { return &objects.ImmutableMap{ Value: map[string]objects.Object{ // chdir() => true/error "chdir": &objects.UserFunction{Name: "chdir", Value: FuncARE(file.Chdir)}, // // chown(uid int, gid int) => true/error "chown": &objects.UserFunction{Name: "chown", Value: FuncAIIRE(file.Chown)}, // // close() => error "close": &objects.UserFunction{Name: "close", Value: FuncARE(file.Close)}, // // name() => string "name": &objects.UserFunction{Name: "name", Value: FuncARS(file.Name)}, // // readdirnames(n int) => array(string)/error "readdirnames": &objects.UserFunction{Name: "readdirnames", Value: FuncAIRSsE(file.Readdirnames)}, // // sync() => error "sync": &objects.UserFunction{Name: "sync", Value: FuncARE(file.Sync)}, // // write(bytes) => int/error "write": &objects.UserFunction{Name: "write", Value: FuncAYRIE(file.Write)}, // // write(string) => int/error "write_string": &objects.UserFunction{Name: "write_string", Value: FuncASRIE(file.WriteString)}, // // read(bytes) => int/error "read": &objects.UserFunction{Name: "read", Value: FuncAYRIE(file.Read)}, // // chmod(mode int) => error "chmod": &objects.UserFunction{ Name: "chmod", Value: func(args ...objects.Object) (ret objects.Object, err error) { if len(args) != 1 { return nil, objects.ErrWrongNumArguments } i1, ok := objects.ToInt64(args[0]) if !ok { return nil, objects.ErrInvalidArgumentType{ Name: "first", Expected: "int(compatible)", Found: args[0].TypeName(), } } return wrapError(file.Chmod(os.FileMode(i1))), nil }, }, // seek(offset int, whence int) => int/error "seek": &objects.UserFunction{ Name: "seek", Value: func(args ...objects.Object) (ret objects.Object, err error) { if len(args) != 2 { return nil, objects.ErrWrongNumArguments } i1, ok := objects.ToInt64(args[0]) if !ok { return nil, objects.ErrInvalidArgumentType{ Name: "first", Expected: "int(compatible)", Found: args[0].TypeName(), } } i2, ok := objects.ToInt(args[1]) if !ok { return nil, objects.ErrInvalidArgumentType{ Name: "second", Expected: "int(compatible)", Found: args[1].TypeName(), } } res, err := file.Seek(i1, i2) if err != nil { return wrapError(err), nil } return &objects.Int{Value: res}, nil }, }, // stat() => imap(fileinfo)/error "stat": &objects.UserFunction{ Name: "start", Value: func(args ...objects.Object) (ret objects.Object, err error) { if len(args) != 0 { return nil, objects.ErrWrongNumArguments } return osStat(&objects.String{Value: file.Name()}) }, }, }, } }