shell

package
v0.0.0-...-c0b29db Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 2, 2024 License: BSD-3-Clause Imports: 23 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var GlobUseSlash = false
View Source 
var LastErrorLevel int
View Source 
var LookCurdirOrder = nodos.LookCurdirFirst
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var NoClobber = false
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var OnCommandNotFound = func(ctx context.Context, cmd *Cmd, err error) error {
	err = &_CommandNotFound{cmd.args[0], err}
	return err
}
View Source 
var PercentFunc = map[string]func() string{
	"CD": func() string {
		wd, err := os.Getwd()
		if err == nil {
			return wd
		}
		return ""
	},
	"ERRORLEVEL": func() string {
		return fmt.Sprintf("%d", LastErrorLevel)
	},
	"DATE": func() string {
		s, err := nodos.TimeFormatOsLayout(time.Now())
		if err != nil {
			return err.Error()
		}
		return s
	},
	"TIME": func() string {
		return time.Now().Format("15:04:05.00")
	},
}
View Source 
var PostExecHook func(context.Context, *Cmd)
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var PreExecHook func(context.Context, *Cmd)
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var TildeExpansion = true
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var UseSourceRunBatch = true
View Source 
var WildCardExpansionAlways = false

Functions

func Message 

func Message(format string, a ...interface{})

func OurGetEnv 

func OurGetEnv(name string) (string, bool)

func Parse 

func Parse(stream Stream, text string) ([][]*_Statement, error)

Parse parses the string and make Statement objects.

func Quote 

func Quote(src string) string

func ReplaceIgnoreCase 

func ReplaceIgnoreCase(s, old, new string) string

ReplaceIgnoreCase works like strings.Replace but ignores cases.

Types

type AlreadyReportedError 

type AlreadyReportedError struct {
	Err error
}

func (AlreadyReportedError) Error 

func (AlreadyReportedError) Error() string

type ArgsHookT 

type ArgsHookT func(ctx context.Context, sh *Shell, args, rawargs []string) ([]string, []string, error)

func SetArgsHook 

func SetArgsHook(_argsHook ArgsHookT) (rv ArgsHookT)

type BufStream 

type BufStream struct {
	// contains filtered or unexported fields
}

func (*BufStream) Add 

func (bufStream *BufStream) Add(line string)

func (*BufStream) DisableHistory 

func (*BufStream) DisableHistory(value bool) bool

func (*BufStream) ReadLine 

func (bufStream *BufStream) ReadLine(c context.Context) (context.Context, string, error)

func (*BufStream) SetPos 

func (bufStream *BufStream) SetPos(n int) error

type CloneCloser 

type CloneCloser interface {
	Clone(context.Context) (context.Context, CloneCloser, error)
	Close() error
}

type Cmd 

type Cmd struct {
	Shell

	UseShellExecute bool
	Closers         []io.Closer

	OnBackExec func(int)
	OnBackDone func(int)
	// contains filtered or unexported fields
}

func (*Cmd) Arg 

func (cmd *Cmd) Arg(n int) string

func (*Cmd) Args 

func (cmd *Cmd) Args() []string

func (*Cmd) Close 

func (cmd *Cmd) Close()

func (*Cmd) DumpEnv 

func (cmd *Cmd) DumpEnv() []string

func (*Cmd) FullPath 

func (cmd *Cmd) FullPath() string

func (*Cmd) Getenv 

func (cmd *Cmd) Getenv(key string) string

func (*Cmd) RawArg 

func (cmd *Cmd) RawArg(n int) string

func (*Cmd) RawArgs 

func (cmd *Cmd) RawArgs() []string

func (*Cmd) SetArgs 

func (cmd *Cmd) SetArgs(s []string)

func (*Cmd) SetRawArgs 

func (cmd *Cmd) SetRawArgs(s []string)

func (*Cmd) Setenv 

func (cmd *Cmd) Setenv(key, val string)

func (*Cmd) Spawnvp 

func (cmd *Cmd) Spawnvp(ctx context.Context) (int, error)

type CmdSeeker 

type CmdSeeker struct {
	PlainHistory []string
	Pointer      int
}

type CmdStreamFile 

type CmdStreamFile struct {
	CmdSeeker
	Scanner *bufio.Scanner
}

func NewCmdStreamFile 

func NewCmdStreamFile(r io.Reader) *CmdStreamFile

func (*CmdStreamFile) DisableHistory 

func (*CmdStreamFile) DisableHistory(value bool) bool

func (*CmdStreamFile) ReadLine 

func (stream *CmdStreamFile) ReadLine(ctx context.Context) (context.Context, string, error)

type History 

type History interface {
	Len() int
	DumpAt(n int) string
	IgnorePush(newvalue bool) bool
}

type HookT 

type HookT func(context.Context, *Cmd) (int, bool, error)

func SetHook 

func SetHook(_hook HookT) (rv HookT)

type NulStream 

type NulStream struct{}

NulStream is the null implementation for the interface Stream.

func (*NulStream) DisableHistory 

func (stream *NulStream) DisableHistory(value bool) bool

DisableHistory do nothing.

func (*NulStream) ReadLine 

func (stream *NulStream) ReadLine(ctx context.Context) (context.Context, string, error)

ReadLine always returns "" and io.EOF.

type Shell 

type Shell struct {
	Stream
	History  History
	LineHook func(context.Context, *Cmd) (int, bool, error)
	ArgsHook func(context.Context, *Shell, []string, []string) ([]string, []string, error)

	Stdio   [3]*os.File
	Console io.Writer

	IsBackGround bool
	// contains filtered or unexported fields
}

func New 

func New() *Shell

func (*Shell) Close 

func (sh *Shell) Close()

func (*Shell) Command 

func (sh *Shell) Command() *Cmd

func (*Shell) Err 

func (sh *Shell) Err() io.Writer

func (*Shell) ForEver 

func (sh *Shell) ForEver(ctx context.Context, stream Stream) error

ForEver executes commands from `stream` until EOF are found.

func (*Shell) GetHistory 

func (sh *Shell) GetHistory() History

func (*Shell) In 

func (sh *Shell) In() io.Reader

func (*Shell) Interpret 

func (sh *Shell) Interpret(ctx context.Context, text string) (errorlevel int, finalerr error)

func (*Shell) Loop 

func (sh *Shell) Loop(ctx0 context.Context, stream Stream) (int, error)

Loop executes commands from `stream` until any errors are found.

func (*Shell) Out 

func (sh *Shell) Out() io.Writer

func (*Shell) ReadCommand 

func (sh *Shell) ReadCommand(ctx context.Context) (context.Context, string, error)

ReadCommand reads completed one command from `stream`.

func (*Shell) SetTag 

func (sh *Shell) SetTag(tag CloneCloser)

func (*Shell) Source 

func (sh *Shell) Source(ctx context.Context, fname string) error

func (*Shell) Spawnlp 

func (sh *Shell) Spawnlp(ctx context.Context, args, rawargs []string) (int, error)

func (*Shell) Spawnlpe 

func (sh *Shell) Spawnlpe(ctx context.Context, args, rawargs []string, env map[string]string) (int, error)

func (*Shell) Tag 

func (sh *Shell) Tag() CloneCloser

func (*Shell) Term 

func (sh *Shell) Term() io.Writer

type Stream 

type Stream interface {
	ReadLine(context.Context) (context.Context, string, error)
	DisableHistory(value bool) bool
}

Stream is the inteface which can read command-line

Source Files

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