diff options
Diffstat (limited to 'vendor/github.com/kyokomi/emoji/v2/emoji.go')
-rw-r--r-- | vendor/github.com/kyokomi/emoji/v2/emoji.go | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/vendor/github.com/kyokomi/emoji/v2/emoji.go b/vendor/github.com/kyokomi/emoji/v2/emoji.go new file mode 100644 index 00000000..6913a2ea --- /dev/null +++ b/vendor/github.com/kyokomi/emoji/v2/emoji.go @@ -0,0 +1,157 @@ +// Package emoji terminal output. +package emoji + +import ( + "bytes" + "errors" + "fmt" + "io" + "regexp" + "unicode" +) + +//go:generate generateEmojiCodeMap -pkg emoji -o emoji_codemap.go + +// Replace Padding character for emoji. +var ( + ReplacePadding = " " +) + +// CodeMap gets the underlying map of emoji. +func CodeMap() map[string]string { + return emojiCode() +} + +// RevCodeMap gets the underlying map of emoji. +func RevCodeMap() map[string][]string { + return emojiRevCode() +} + +func AliasList(shortCode string) []string { + return emojiRevCode()[emojiCode()[shortCode]] +} + +// HasAlias flags if the given `shortCode` has multiple aliases with other +// codes. +func HasAlias(shortCode string) bool { + return len(AliasList(shortCode)) > 1 +} + +// NormalizeShortCode normalizes a given `shortCode` to a deterministic alias. +func NormalizeShortCode(shortCode string) string { + shortLists := AliasList(shortCode) + if len(shortLists) == 0 { + return shortCode + } + return shortLists[0] +} + +// regular expression that matches :flag-[countrycode]: +var flagRegexp = regexp.MustCompile(":flag-([a-z]{2}):") + +func emojize(x string) string { + str, ok := emojiCode()[x] + if ok { + return str + ReplacePadding + } + if match := flagRegexp.FindStringSubmatch(x); len(match) == 2 { + return regionalIndicator(match[1][0]) + regionalIndicator(match[1][1]) + } + return x +} + +// regionalIndicator maps a lowercase letter to a unicode regional indicator +func regionalIndicator(i byte) string { + return string('\U0001F1E6' + rune(i) - 'a') +} + +func replaseEmoji(input *bytes.Buffer) string { + emoji := bytes.NewBufferString(":") + for { + i, _, err := input.ReadRune() + if err != nil { + // not replase + return emoji.String() + } + + if i == ':' && emoji.Len() == 1 { + return emoji.String() + replaseEmoji(input) + } + + emoji.WriteRune(i) + switch { + case unicode.IsSpace(i): + return emoji.String() + case i == ':': + return emojize(emoji.String()) + } + } +} + +func compile(x string) string { + if x == "" { + return "" + } + + input := bytes.NewBufferString(x) + output := bytes.NewBufferString("") + + for { + i, _, err := input.ReadRune() + if err != nil { + break + } + switch i { + default: + output.WriteRune(i) + case ':': + output.WriteString(replaseEmoji(input)) + } + } + return output.String() +} + +// Print is fmt.Print which supports emoji +func Print(a ...interface{}) (int, error) { + return fmt.Print(compile(fmt.Sprint(a...))) +} + +// Println is fmt.Println which supports emoji +func Println(a ...interface{}) (int, error) { + return fmt.Println(compile(fmt.Sprint(a...))) +} + +// Printf is fmt.Printf which supports emoji +func Printf(format string, a ...interface{}) (int, error) { + return fmt.Print(compile(fmt.Sprintf(format, a...))) +} + +// Fprint is fmt.Fprint which supports emoji +func Fprint(w io.Writer, a ...interface{}) (int, error) { + return fmt.Fprint(w, compile(fmt.Sprint(a...))) +} + +// Fprintln is fmt.Fprintln which supports emoji +func Fprintln(w io.Writer, a ...interface{}) (int, error) { + return fmt.Fprintln(w, compile(fmt.Sprint(a...))) +} + +// Fprintf is fmt.Fprintf which supports emoji +func Fprintf(w io.Writer, format string, a ...interface{}) (int, error) { + return fmt.Fprint(w, compile(fmt.Sprintf(format, a...))) +} + +// Sprint is fmt.Sprint which supports emoji +func Sprint(a ...interface{}) string { + return compile(fmt.Sprint(a...)) +} + +// Sprintf is fmt.Sprintf which supports emoji +func Sprintf(format string, a ...interface{}) string { + return compile(fmt.Sprintf(format, a...)) +} + +// Errorf is fmt.Errorf which supports emoji +func Errorf(format string, a ...interface{}) error { + return errors.New(compile(Sprintf(format, a...))) +} |