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@ -5,6 +5,9 @@ import (
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"os"
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"regexp"
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"strings"
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"unicode/utf8"
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"github.com/junegunn/fzf/src/curses"
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"github.com/junegunn/go-shellwords"
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)
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@ -43,6 +46,7 @@ const usage = `usage: fzf [options]
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-0, --exit-0 Exit immediately when there's no match
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-f, --filter=STR Filter mode. Do not start interactive finder.
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--print-query Print query as the first line
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--expect=KEYS Comma-separated list of keys to complete fzf
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--sync Synchronous search for multi-staged filtering
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(e.g. 'fzf --multi | fzf --sync')
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@ -93,6 +97,7 @@ type Options struct {
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Select1 bool
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Exit0 bool
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Filter *string
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Expect []int
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PrintQuery bool
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Sync bool
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Version bool
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@ -119,6 +124,7 @@ func defaultOptions() *Options {
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Select1: false,
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Exit0: false,
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Filter: nil,
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Expect: []int{},
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PrintQuery: false,
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Sync: false,
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Version: false}
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@ -191,6 +197,29 @@ func delimiterRegexp(str string) *regexp.Regexp {
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return rx
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}
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func isAlphabet(char uint8) bool {
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return char >= 'a' && char <= 'z'
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}
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func parseKeyChords(str string) []int {
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var chords []int
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for _, key := range strings.Split(str, ",") {
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lkey := strings.ToLower(key)
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if len(key) == 6 && strings.HasPrefix(lkey, "ctrl-") && isAlphabet(lkey[5]) {
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chords = append(chords, curses.CtrlA+int(lkey[5])-'a')
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} else if len(key) == 5 && strings.HasPrefix(lkey, "alt-") && isAlphabet(lkey[4]) {
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chords = append(chords, curses.AltA+int(lkey[4])-'a')
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} else if len(key) == 2 && strings.HasPrefix(lkey, "f") && key[1] >= '1' && key[1] <= '4' {
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chords = append(chords, curses.F1+int(key[1])-'1')
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} else if utf8.RuneCountInString(key) == 1 {
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chords = append(chords, curses.AltZ+int([]rune(key)[0]))
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} else {
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errorExit("unsupported key: " + key)
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}
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}
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return chords
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}
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func parseOptions(opts *Options, allArgs []string) {
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for i := 0; i < len(allArgs); i++ {
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arg := allArgs[i]
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@ -208,6 +237,8 @@ func parseOptions(opts *Options, allArgs []string) {
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case "-f", "--filter":
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filter := nextString(allArgs, &i, "query string required")
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opts.Filter = &filter
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case "--expect":
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opts.Expect = parseKeyChords(nextString(allArgs, &i, "key names required"))
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case "-d", "--delimiter":
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opts.Delimiter = delimiterRegexp(nextString(allArgs, &i, "delimiter required"))
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case "-n", "--nth":
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@ -285,6 +316,8 @@ func parseOptions(opts *Options, allArgs []string) {
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opts.WithNth = splitNth(value)
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} else if match, _ := optString(arg, "-s|--sort="); match {
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opts.Sort = 1 // Don't care
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} else if match, value := optString(arg, "--expect="); match {
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opts.Expect = parseKeyChords(value)
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} else {
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errorExit("unknown option: " + arg)
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}
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