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118 lines
2.9 KiB
Go
118 lines
2.9 KiB
Go
package stdlib
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import (
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"os"
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"github.com/d5/tengo/v2"
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)
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func makeOSFile(file *os.File) *tengo.ImmutableMap {
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return &tengo.ImmutableMap{
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Value: map[string]tengo.Object{
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// chdir() => true/error
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"chdir": &tengo.UserFunction{
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Name: "chdir",
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Value: FuncARE(file.Chdir),
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}, //
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// chown(uid int, gid int) => true/error
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"chown": &tengo.UserFunction{
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Name: "chown",
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Value: FuncAIIRE(file.Chown),
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}, //
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// close() => error
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"close": &tengo.UserFunction{
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Name: "close",
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Value: FuncARE(file.Close),
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}, //
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// name() => string
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"name": &tengo.UserFunction{
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Name: "name",
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Value: FuncARS(file.Name),
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}, //
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// readdirnames(n int) => array(string)/error
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"readdirnames": &tengo.UserFunction{
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Name: "readdirnames",
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Value: FuncAIRSsE(file.Readdirnames),
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}, //
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// sync() => error
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"sync": &tengo.UserFunction{
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Name: "sync",
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Value: FuncARE(file.Sync),
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}, //
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// write(bytes) => int/error
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"write": &tengo.UserFunction{
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Name: "write",
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Value: FuncAYRIE(file.Write),
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}, //
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// write(string) => int/error
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"write_string": &tengo.UserFunction{
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Name: "write_string",
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Value: FuncASRIE(file.WriteString),
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}, //
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// read(bytes) => int/error
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"read": &tengo.UserFunction{
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Name: "read",
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Value: FuncAYRIE(file.Read),
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}, //
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// chmod(mode int) => error
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"chmod": &tengo.UserFunction{
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Name: "chmod",
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Value: func(args ...tengo.Object) (tengo.Object, error) {
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if len(args) != 1 {
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return nil, tengo.ErrWrongNumArguments
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}
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i1, ok := tengo.ToInt64(args[0])
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if !ok {
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return nil, tengo.ErrInvalidArgumentType{
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Name: "first",
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Expected: "int(compatible)",
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Found: args[0].TypeName(),
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}
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}
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return wrapError(file.Chmod(os.FileMode(i1))), nil
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},
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},
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// seek(offset int, whence int) => int/error
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"seek": &tengo.UserFunction{
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Name: "seek",
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Value: func(args ...tengo.Object) (tengo.Object, error) {
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if len(args) != 2 {
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return nil, tengo.ErrWrongNumArguments
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}
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i1, ok := tengo.ToInt64(args[0])
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if !ok {
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return nil, tengo.ErrInvalidArgumentType{
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Name: "first",
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Expected: "int(compatible)",
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Found: args[0].TypeName(),
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}
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}
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i2, ok := tengo.ToInt(args[1])
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if !ok {
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return nil, tengo.ErrInvalidArgumentType{
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Name: "second",
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Expected: "int(compatible)",
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Found: args[1].TypeName(),
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}
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}
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res, err := file.Seek(i1, i2)
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if err != nil {
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return wrapError(err), nil
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}
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return &tengo.Int{Value: res}, nil
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},
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},
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// stat() => imap(fileinfo)/error
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"stat": &tengo.UserFunction{
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Name: "stat",
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Value: func(args ...tengo.Object) (tengo.Object, error) {
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if len(args) != 0 {
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return nil, tengo.ErrWrongNumArguments
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}
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return osStat(&tengo.String{Value: file.Name()})
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},
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},
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},
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}
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}
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