Golang parse.Quote函数代码示例

func (m MapStringString) Repr(indent int) string {
	var builder MapReprBuilder
	builder.Indent = indent
	for k, v := range m {
		builder.WritePair(parse.Quote(k), parse.Quote(v))
	}
	return builder.String()
}

// Search tries to resolve an external command and return the full (possibly
// relative) path.
func (ev *Evaler) Search(exe string) (string, error) {
	if DontSearch(exe) {
		if IsExecutable(exe) {
			return exe, nil
		}
		return "", fmt.Errorf("external command %s not executable", parse.Quote(exe))
	}
	for _, p := range ev.searchPaths {
		full := p + "/" + exe
		if IsExecutable(full) {
			return full, nil
		}
	}
	return "", fmt.Errorf("external command %s not found", parse.Quote(exe))
}

// Search tries to resolve an external command and return the full (possibly
// relative) path.
func (ev *Evaler) Search(exe string) (string, error) {
	path, err := util.Search(ev.searchPaths(), exe)
	if err != nil {
		return "", fmt.Errorf("search %s: %s", parse.Quote(exe), err.Error())
	}
	return path, nil
}

func (bt BindingTable) Repr(indent int) string {
	var builder eval.MapReprBuilder
	builder.Indent = indent
	for k, v := range bt.inner {
		builder.WritePair(parse.Quote(k.String()), v.Repr(eval.IncIndent(indent, 1)))
	}
	return builder.String()
}

func (s *Struct) Repr(indent int) string {
	var builder MapReprBuilder
	builder.Indent = indent
	for i, name := range s.FieldNames {
		builder.WritePair(parse.Quote(name), s.Fields[i].Get().Repr(indent+1))
	}
	return builder.String()
}

func (e Error) Repr(indent int) string {
	if e.Inner == nil {
		return "$ok"
	}
	if r, ok := e.Inner.(Reprer); ok {
		return r.Repr(indent)
	}
	return "?(error " + parse.Quote(e.Inner.Error()) + ")"
}

func (os *OptSet) Pick(opts map[string]Value) ([]Value, error) {
	vs := make([]Value, len(os.optSpecs))
	for k, v := range opts {
		if i, ok := os.indices[k]; ok {
			vs[i] = v
		} else {
			return nil, errors.New("unknown option " + parse.Quote(k))
		}
	}
	for i, optSpec := range os.optSpecs {
		if vs[i] == nil {
			vs[i] = optSpec.Default
		}
	}
	return vs, nil
}

func (exit ExternalCmdExit) Error() string {
	ws := exit.WaitStatus
	quotedName := parse.Quote(exit.CmdName)
	switch {
	case ws.Exited():
		return quotedName + " exited with " + strconv.Itoa(ws.ExitStatus())
	case ws.Signaled():
		msg := quotedName + " killed by signal " + ws.Signal().String()
		if ws.CoreDump() {
			msg += " (core dumped)"
		}
		return msg
	case ws.Stopped():
		msg := quotedName + " stopped by signal " + fmt.Sprintf("%s (pid=%d)", ws.StopSignal(), exit.Pid)
		trap := ws.TrapCause()
		if trap != -1 {
			msg += fmt.Sprintf(" (trapped %v)", trap)
		}
		return msg
	default:
		return fmt.Sprint(quotedName, " has unknown WaitStatus ", ws)
	}
}

func quote(s string) string {
	return parse.Quote(s)
}

func complGetopt(ec *eval.EvalCtx, elemsv eval.IteratorValue, optsv eval.IteratorValue, argsv eval.IteratorValue) {
	var (
		elems    []string
		opts     []*getopt.Option
		args     []eval.FnValue
		variadic bool
	)
	// Convert arguments.
	elemsv.Iterate(func(v eval.Value) bool {
		elem, ok := v.(eval.String)
		if !ok {
			throwf("arg should be string, got %s", v.Kind())
		}
		elems = append(elems, string(elem))
		return true
	})
	optsv.Iterate(func(v eval.Value) bool {
		m, ok := v.(eval.MapLike)
		if !ok {
			throwf("opt should be map-like, got %s", v.Kind())
		}
		opt := &getopt.Option{}
		vshort := maybeIndex(m, eval.String("short"))
		if vshort != nil {
			sv, ok := vshort.(eval.String)
			if !ok {
				throwf("short option should be string, got %s", vshort.Kind())
			}
			s := string(sv)
			r, size := utf8.DecodeRuneInString(s)
			if r == utf8.RuneError || size != len(s) {
				throwf("short option should be exactly one rune, got %v", parse.Quote(s))
			}
			opt.Short = r
		}
		vlong := maybeIndex(m, eval.String("long"))
		if vlong != nil {
			s, ok := vlong.(eval.String)
			if !ok {
				throwf("long option should be string, got %s", vlong.Kind())
			}
			opt.Long = string(s)
		}
		if vshort == nil && vlong == nil {
			throwf("opt should have at least one of short and long as keys")
		}
		// TODO support &desc
		opts = append(opts, opt)
		return true
	})
	argsv.Iterate(func(v eval.Value) bool {
		sv, ok := v.(eval.String)
		if ok {
			if string(sv) == "..." {
				variadic = true
				return true
			}
			throwf("string except for ... not allowed as argument handler, got %s", parse.Quote(string(sv)))
		}
		arg, ok := v.(eval.FnValue)
		if !ok {
			throwf("argument handler should be fn, got %s", v.Kind())
		}
		args = append(args, arg)
		return true
	})
	// TODO Configurable config
	g := getopt.Getopt{opts, getopt.GNUGetoptLong}
	_, _, ctx := g.Parse(elems)
	out := ec.OutputChan()
	_ = variadic // XXX
	switch ctx.Type {
	case getopt.NewOptionOrArgument, getopt.Argument:
	case getopt.NewOption:
		for _, opt := range opts {
			if opt.Short != 0 {
				out <- eval.String("-" + string(opt.Short))
			}
			if opt.Long != "" {
				out <- eval.String("--" + opt.Long)
			}
		}
	case getopt.NewLongOption:
		for _, opt := range opts {
			if opt.Long != "" {
				out <- eval.String("--" + opt.Long)
			}
		}
	case getopt.LongOption:
		for _, opt := range opts {
			if strings.HasPrefix(opt.Long, ctx.Text) {
				out <- eval.String("--" + opt.Long)
			}
		}
	case getopt.ChainShortOption:
		for _, opt := range opts {
			if opt.Short != 0 {
				// XXX loses chained options
				out <- eval.String("-" + string(opt.Short))
			}
//.........这里部分代码省略.........

func complGetopt(ec *eval.EvalCtx, elemsv eval.IteratorValue, optsv eval.IteratorValue, argsv eval.IteratorValue) {
	var (
		elems    []string
		opts     []*getopt.Option
		args     []eval.FnValue
		variadic bool
	)
	desc := make(map[*getopt.Option]string)
	// Convert arguments.
	elemsv.Iterate(func(v eval.Value) bool {
		elem, ok := v.(eval.String)
		if !ok {
			throwf("arg should be string, got %s", v.Kind())
		}
		elems = append(elems, string(elem))
		return true
	})
	optsv.Iterate(func(v eval.Value) bool {
		m, ok := v.(eval.MapLike)
		if !ok {
			throwf("opt should be map-like, got %s", v.Kind())
		}
		get := func(ks string) (string, bool) {
			kv := eval.String(ks)
			if !m.HasKey(kv) {
				return "", false
			}
			vv := m.IndexOne(kv)
			if vs, ok := vv.(eval.String); ok {
				return string(vs), true
			} else {
				throwf("%s should be string, got %s", ks, vs.Kind())
				panic("unreachable")
			}
		}

		opt := &getopt.Option{}
		if s, ok := get("short"); ok {
			r, size := utf8.DecodeRuneInString(s)
			if r == utf8.RuneError || size != len(s) {
				throwf("short option should be exactly one rune, got %v", parse.Quote(s))
			}
			opt.Short = r
		}
		if s, ok := get("long"); ok {
			opt.Long = s
		}
		if opt.Short == 0 && opt.Long == "" {
			throwf("opt should have at least one of short and long forms")
		}
		if s, ok := get("desc"); ok {
			desc[opt] = s
		}
		opts = append(opts, opt)
		return true
	})
	argsv.Iterate(func(v eval.Value) bool {
		sv, ok := v.(eval.String)
		if ok {
			if string(sv) == "..." {
				variadic = true
				return true
			}
			throwf("string except for ... not allowed as argument handler, got %s", parse.Quote(string(sv)))
		}
		arg, ok := v.(eval.FnValue)
		if !ok {
			throwf("argument handler should be fn, got %s", v.Kind())
		}
		args = append(args, arg)
		return true
	})
	// TODO Configurable config
	g := getopt.Getopt{opts, getopt.GNUGetoptLong}
	_, parsedArgs, ctx := g.Parse(elems)
	out := ec.OutputChan()

	putShortOpt := func(opt *getopt.Option) {
		c := &candidate{text: "-" + string(opt.Short)}
		if d, ok := desc[opt]; ok {
			c.display.text = c.text + " (" + d + ")"
		}
		out <- c
	}
	putLongOpt := func(opt *getopt.Option) {
		c := &candidate{text: "--" + string(opt.Long)}
		if d, ok := desc[opt]; ok {
			c.display.text = c.text + " (" + d + ")"
		}
		out <- c
	}

	switch ctx.Type {
	case getopt.NewOptionOrArgument, getopt.Argument:
		// Find argument completer
		var argCompl eval.FnValue
		if len(parsedArgs) < len(args) {
			argCompl = args[len(parsedArgs)]
		} else if variadic {
			argCompl = args[len(args)-1]
//.........这里部分代码省略.........

func (loc *location) Show(i, width int) styled {
	cand := loc.candidates[i]
	return unstyled(TrimWcWidth(fmt.Sprintf("%4.0f %s", cand.Score, parse.Quote(cand.Path)), width))
}

func navInsertSelectedAndQuit(ed *Editor) {
	ed.insertAtDot(parse.Quote(ed.navigation.current.selectedName()) + " ")
	ed.mode = &ed.insert
}

func (s String) Repr() string {
	return parse.Quote(string(s))
}

func navInsertSelected(ed *Editor) {
	ed.insertAtDot(parse.Quote(ed.navigation.current.selectedName()) + " ")
}