You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
2.8 KiB
Go
94 lines
2.8 KiB
Go
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{
|
|
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{
|
|
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{
|
|
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()})
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|