diff options
Diffstat (limited to 'vendor/github.com/d5/tengo/stdlib/os.go')
-rw-r--r-- | vendor/github.com/d5/tengo/stdlib/os.go | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/vendor/github.com/d5/tengo/stdlib/os.go b/vendor/github.com/d5/tengo/stdlib/os.go deleted file mode 100644 index e68d5101..00000000 --- a/vendor/github.com/d5/tengo/stdlib/os.go +++ /dev/null @@ -1,437 +0,0 @@ -package stdlib - -import ( - "fmt" - "io" - "io/ioutil" - "os" - "os/exec" - - "github.com/d5/tengo/objects" -) - -var osModule = map[string]objects.Object{ - "o_rdonly": &objects.Int{Value: int64(os.O_RDONLY)}, - "o_wronly": &objects.Int{Value: int64(os.O_WRONLY)}, - "o_rdwr": &objects.Int{Value: int64(os.O_RDWR)}, - "o_append": &objects.Int{Value: int64(os.O_APPEND)}, - "o_create": &objects.Int{Value: int64(os.O_CREATE)}, - "o_excl": &objects.Int{Value: int64(os.O_EXCL)}, - "o_sync": &objects.Int{Value: int64(os.O_SYNC)}, - "o_trunc": &objects.Int{Value: int64(os.O_TRUNC)}, - "mode_dir": &objects.Int{Value: int64(os.ModeDir)}, - "mode_append": &objects.Int{Value: int64(os.ModeAppend)}, - "mode_exclusive": &objects.Int{Value: int64(os.ModeExclusive)}, - "mode_temporary": &objects.Int{Value: int64(os.ModeTemporary)}, - "mode_symlink": &objects.Int{Value: int64(os.ModeSymlink)}, - "mode_device": &objects.Int{Value: int64(os.ModeDevice)}, - "mode_named_pipe": &objects.Int{Value: int64(os.ModeNamedPipe)}, - "mode_socket": &objects.Int{Value: int64(os.ModeSocket)}, - "mode_setuid": &objects.Int{Value: int64(os.ModeSetuid)}, - "mode_setgui": &objects.Int{Value: int64(os.ModeSetgid)}, - "mode_char_device": &objects.Int{Value: int64(os.ModeCharDevice)}, - "mode_sticky": &objects.Int{Value: int64(os.ModeSticky)}, - "mode_type": &objects.Int{Value: int64(os.ModeType)}, - "mode_perm": &objects.Int{Value: int64(os.ModePerm)}, - "path_separator": &objects.Char{Value: os.PathSeparator}, - "path_list_separator": &objects.Char{Value: os.PathListSeparator}, - "dev_null": &objects.String{Value: os.DevNull}, - "seek_set": &objects.Int{Value: int64(io.SeekStart)}, - "seek_cur": &objects.Int{Value: int64(io.SeekCurrent)}, - "seek_end": &objects.Int{Value: int64(io.SeekEnd)}, - "args": &objects.UserFunction{Value: osArgs}, // args() => array(string) - "chdir": &objects.UserFunction{Name: "chdir", Value: FuncASRE(os.Chdir)}, // chdir(dir string) => error - "chmod": osFuncASFmRE(os.Chmod), // chmod(name string, mode int) => error - "chown": &objects.UserFunction{Name: "chown", Value: FuncASIIRE(os.Chown)}, // chown(name string, uid int, gid int) => error - "clearenv": &objects.UserFunction{Name: "clearenv", Value: FuncAR(os.Clearenv)}, // clearenv() - "environ": &objects.UserFunction{Name: "environ", Value: FuncARSs(os.Environ)}, // environ() => array(string) - "exit": &objects.UserFunction{Name: "exit", Value: FuncAIR(os.Exit)}, // exit(code int) - "expand_env": &objects.UserFunction{Name: "expand_env", Value: FuncASRS(os.ExpandEnv)}, // expand_env(s string) => string - "getegid": &objects.UserFunction{Name: "getegid", Value: FuncARI(os.Getegid)}, // getegid() => int - "getenv": &objects.UserFunction{Name: "getenv", Value: FuncASRS(os.Getenv)}, // getenv(s string) => string - "geteuid": &objects.UserFunction{Name: "geteuid", Value: FuncARI(os.Geteuid)}, // geteuid() => int - "getgid": &objects.UserFunction{Name: "getgid", Value: FuncARI(os.Getgid)}, // getgid() => int - "getgroups": &objects.UserFunction{Name: "getgroups", Value: FuncARIsE(os.Getgroups)}, // getgroups() => array(string)/error - "getpagesize": &objects.UserFunction{Name: "getpagesize", Value: FuncARI(os.Getpagesize)}, // getpagesize() => int - "getpid": &objects.UserFunction{Name: "getpid", Value: FuncARI(os.Getpid)}, // getpid() => int - "getppid": &objects.UserFunction{Name: "getppid", Value: FuncARI(os.Getppid)}, // getppid() => int - "getuid": &objects.UserFunction{Name: "getuid", Value: FuncARI(os.Getuid)}, // getuid() => int - "getwd": &objects.UserFunction{Name: "getwd", Value: FuncARSE(os.Getwd)}, // getwd() => string/error - "hostname": &objects.UserFunction{Name: "hostname", Value: FuncARSE(os.Hostname)}, // hostname() => string/error - "lchown": &objects.UserFunction{Name: "lchown", Value: FuncASIIRE(os.Lchown)}, // lchown(name string, uid int, gid int) => error - "link": &objects.UserFunction{Name: "link", Value: FuncASSRE(os.Link)}, // link(oldname string, newname string) => error - "lookup_env": &objects.UserFunction{Value: osLookupEnv}, // lookup_env(key string) => string/false - "mkdir": osFuncASFmRE(os.Mkdir), // mkdir(name string, perm int) => error - "mkdir_all": osFuncASFmRE(os.MkdirAll), // mkdir_all(name string, perm int) => error - "readlink": &objects.UserFunction{Name: "readlink", Value: FuncASRSE(os.Readlink)}, // readlink(name string) => string/error - "remove": &objects.UserFunction{Name: "remove", Value: FuncASRE(os.Remove)}, // remove(name string) => error - "remove_all": &objects.UserFunction{Name: "remove_all", Value: FuncASRE(os.RemoveAll)}, // remove_all(name string) => error - "rename": &objects.UserFunction{Name: "rename", Value: FuncASSRE(os.Rename)}, // rename(oldpath string, newpath string) => error - "setenv": &objects.UserFunction{Name: "setenv", Value: FuncASSRE(os.Setenv)}, // setenv(key string, value string) => error - "symlink": &objects.UserFunction{Name: "symlink", Value: FuncASSRE(os.Symlink)}, // symlink(oldname string newname string) => error - "temp_dir": &objects.UserFunction{Name: "temp_dir", Value: FuncARS(os.TempDir)}, // temp_dir() => string - "truncate": &objects.UserFunction{Name: "truncate", Value: FuncASI64RE(os.Truncate)}, // truncate(name string, size int) => error - "unsetenv": &objects.UserFunction{Name: "unsetenv", Value: FuncASRE(os.Unsetenv)}, // unsetenv(key string) => error - "create": &objects.UserFunction{Value: osCreate}, // create(name string) => imap(file)/error - "open": &objects.UserFunction{Value: osOpen}, // open(name string) => imap(file)/error - "open_file": &objects.UserFunction{Value: osOpenFile}, // open_file(name string, flag int, perm int) => imap(file)/error - "find_process": &objects.UserFunction{Value: osFindProcess}, // find_process(pid int) => imap(process)/error - "start_process": &objects.UserFunction{Value: osStartProcess}, // start_process(name string, argv array(string), dir string, env array(string)) => imap(process)/error - "exec_look_path": &objects.UserFunction{Name: "exec_look_path", Value: FuncASRSE(exec.LookPath)}, // exec_look_path(file) => string/error - "exec": &objects.UserFunction{Value: osExec}, // exec(name, args...) => command - "stat": &objects.UserFunction{Value: osStat}, // stat(name) => imap(fileinfo)/error - "read_file": &objects.UserFunction{Value: osReadFile}, // readfile(name) => array(byte)/error -} - -func osReadFile(args ...objects.Object) (ret objects.Object, err error) { - if len(args) != 1 { - return nil, objects.ErrWrongNumArguments - } - - fname, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(compatible)", - Found: args[0].TypeName(), - } - } - - bytes, err := ioutil.ReadFile(fname) - if err != nil { - return wrapError(err), nil - } - - return &objects.Bytes{Value: bytes}, nil -} - -func osStat(args ...objects.Object) (ret objects.Object, err error) { - if len(args) != 1 { - return nil, objects.ErrWrongNumArguments - } - - fname, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(compatible)", - Found: args[0].TypeName(), - } - } - - stat, err := os.Stat(fname) - if err != nil { - return wrapError(err), nil - } - - fstat := &objects.ImmutableMap{ - Value: map[string]objects.Object{ - "name": &objects.String{Value: stat.Name()}, - "mtime": &objects.Time{Value: stat.ModTime()}, - "size": &objects.Int{Value: stat.Size()}, - "mode": &objects.Int{Value: int64(stat.Mode())}, - }, - } - - if stat.IsDir() { - fstat.Value["directory"] = objects.TrueValue - } else { - fstat.Value["directory"] = objects.FalseValue - } - - return fstat, nil -} - -func osCreate(args ...objects.Object) (objects.Object, error) { - if len(args) != 1 { - return nil, objects.ErrWrongNumArguments - } - - s1, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(compatible)", - Found: args[0].TypeName(), - } - } - - res, err := os.Create(s1) - if err != nil { - return wrapError(err), nil - } - - return makeOSFile(res), nil -} - -func osOpen(args ...objects.Object) (objects.Object, error) { - if len(args) != 1 { - return nil, objects.ErrWrongNumArguments - } - - s1, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(compatible)", - Found: args[0].TypeName(), - } - } - - res, err := os.Open(s1) - if err != nil { - return wrapError(err), nil - } - - return makeOSFile(res), nil -} - -func osOpenFile(args ...objects.Object) (objects.Object, error) { - if len(args) != 3 { - return nil, objects.ErrWrongNumArguments - } - - s1, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(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(), - } - } - - i3, ok := objects.ToInt(args[2]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "third", - Expected: "int(compatible)", - Found: args[2].TypeName(), - } - } - - res, err := os.OpenFile(s1, i2, os.FileMode(i3)) - if err != nil { - return wrapError(err), nil - } - - return makeOSFile(res), nil -} - -func osArgs(args ...objects.Object) (objects.Object, error) { - if len(args) != 0 { - return nil, objects.ErrWrongNumArguments - } - - arr := &objects.Array{} - for _, osArg := range os.Args { - arr.Value = append(arr.Value, &objects.String{Value: osArg}) - } - - return arr, nil -} - -func osFuncASFmRE(fn func(string, os.FileMode) error) *objects.UserFunction { - return &objects.UserFunction{ - Value: func(args ...objects.Object) (objects.Object, error) { - if len(args) != 2 { - return nil, objects.ErrWrongNumArguments - } - - s1, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(compatible)", - Found: args[0].TypeName(), - } - } - i2, ok := objects.ToInt64(args[1]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "second", - Expected: "int(compatible)", - Found: args[1].TypeName(), - } - } - - return wrapError(fn(s1, os.FileMode(i2))), nil - }, - } -} - -func osLookupEnv(args ...objects.Object) (objects.Object, error) { - if len(args) != 1 { - return nil, objects.ErrWrongNumArguments - } - - s1, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(compatible)", - Found: args[0].TypeName(), - } - } - - res, ok := os.LookupEnv(s1) - if !ok { - return objects.FalseValue, nil - } - - return &objects.String{Value: res}, nil -} - -func osExec(args ...objects.Object) (objects.Object, error) { - if len(args) == 0 { - return nil, objects.ErrWrongNumArguments - } - - name, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(compatible)", - Found: args[0].TypeName(), - } - } - - var execArgs []string - for idx, arg := range args[1:] { - execArg, ok := objects.ToString(arg) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: fmt.Sprintf("args[%d]", idx), - Expected: "string(compatible)", - Found: args[1+idx].TypeName(), - } - } - - execArgs = append(execArgs, execArg) - } - - return makeOSExecCommand(exec.Command(name, execArgs...)), nil -} - -func osFindProcess(args ...objects.Object) (objects.Object, error) { - if len(args) != 1 { - return nil, objects.ErrWrongNumArguments - } - - i1, ok := objects.ToInt(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "int(compatible)", - Found: args[0].TypeName(), - } - } - - proc, err := os.FindProcess(i1) - if err != nil { - return wrapError(err), nil - } - - return makeOSProcess(proc), nil -} - -func osStartProcess(args ...objects.Object) (objects.Object, error) { - if len(args) != 4 { - return nil, objects.ErrWrongNumArguments - } - - name, ok := objects.ToString(args[0]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "first", - Expected: "string(compatible)", - Found: args[0].TypeName(), - } - } - - var argv []string - var err error - switch arg1 := args[1].(type) { - case *objects.Array: - argv, err = stringArray(arg1.Value, "second") - if err != nil { - return nil, err - } - case *objects.ImmutableArray: - argv, err = stringArray(arg1.Value, "second") - if err != nil { - return nil, err - } - default: - return nil, objects.ErrInvalidArgumentType{ - Name: "second", - Expected: "array", - Found: arg1.TypeName(), - } - } - - dir, ok := objects.ToString(args[2]) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: "third", - Expected: "string(compatible)", - Found: args[2].TypeName(), - } - } - - var env []string - switch arg3 := args[3].(type) { - case *objects.Array: - env, err = stringArray(arg3.Value, "fourth") - if err != nil { - return nil, err - } - case *objects.ImmutableArray: - env, err = stringArray(arg3.Value, "fourth") - if err != nil { - return nil, err - } - default: - return nil, objects.ErrInvalidArgumentType{ - Name: "fourth", - Expected: "array", - Found: arg3.TypeName(), - } - } - - proc, err := os.StartProcess(name, argv, &os.ProcAttr{ - Dir: dir, - Env: env, - }) - if err != nil { - return wrapError(err), nil - } - - return makeOSProcess(proc), nil -} - -func stringArray(arr []objects.Object, argName string) ([]string, error) { - var sarr []string - for idx, elem := range arr { - str, ok := elem.(*objects.String) - if !ok { - return nil, objects.ErrInvalidArgumentType{ - Name: fmt.Sprintf("%s[%d]", argName, idx), - Expected: "string", - Found: elem.TypeName(), - } - } - - sarr = append(sarr, str.Value) - } - - return sarr, nil -} |