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Diffstat (limited to '')
| -rw-r--r-- | build/generate-emoji.go | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/build/generate-emoji.go b/build/generate-emoji.go new file mode 100644 index 0000000..5a88e45 --- /dev/null +++ b/build/generate-emoji.go @@ -0,0 +1,223 @@ +// Copyright 2020 The Gitea Authors. All rights reserved. +// Copyright 2015 Kenneth Shaw +// SPDX-License-Identifier: MIT + +//go:build ignore + +package main + +import ( + "flag" + "fmt" + "go/format" + "io" + "log" + "net/http" + "os" + "regexp" + "sort" + "strconv" + "strings" + "unicode/utf8" + + "code.gitea.io/gitea/modules/json" +) + +const ( + gemojiURL = "https://raw.githubusercontent.com/github/gemoji/master/db/emoji.json" + maxUnicodeVersion = 15 +) + +var flagOut = flag.String("o", "modules/emoji/emoji_data.go", "out") + +// Gemoji is a set of emoji data. +type Gemoji []Emoji + +// Emoji represents a single emoji and associated data. +type Emoji struct { + Emoji string `json:"emoji"` + Description string `json:"description,omitempty"` + Aliases []string `json:"aliases"` + UnicodeVersion string `json:"unicode_version,omitempty"` + SkinTones bool `json:"skin_tones,omitempty"` +} + +// Don't include some fields in JSON +func (e Emoji) MarshalJSON() ([]byte, error) { + type emoji Emoji + x := emoji(e) + x.UnicodeVersion = "" + x.Description = "" + x.SkinTones = false + return json.Marshal(x) +} + +func main() { + var err error + + flag.Parse() + + // generate data + buf, err := generate() + if err != nil { + log.Fatalf("generate err: %v", err) + } + + // write + err = os.WriteFile(*flagOut, buf, 0o644) + if err != nil { + log.Fatalf("WriteFile err: %v", err) + } +} + +var replacer = strings.NewReplacer( + "main.Gemoji", "Gemoji", + "main.Emoji", "\n", + "}}", "},\n}", + ", Description:", ", ", + ", Aliases:", ", ", + ", UnicodeVersion:", ", ", + ", SkinTones:", ", ", +) + +var emojiRE = regexp.MustCompile(`\{Emoji:"([^"]*)"`) + +func generate() ([]byte, error) { + var err error + + // load gemoji data + res, err := http.Get(gemojiURL) + if err != nil { + return nil, err + } + defer res.Body.Close() + + // read all + body, err := io.ReadAll(res.Body) + if err != nil { + return nil, err + } + + // unmarshal + var data Gemoji + err = json.Unmarshal(body, &data) + if err != nil { + return nil, err + } + + skinTones := make(map[string]string) + + skinTones["\U0001f3fb"] = "Light Skin Tone" + skinTones["\U0001f3fc"] = "Medium-Light Skin Tone" + skinTones["\U0001f3fd"] = "Medium Skin Tone" + skinTones["\U0001f3fe"] = "Medium-Dark Skin Tone" + skinTones["\U0001f3ff"] = "Dark Skin Tone" + + var tmp Gemoji + + // filter out emoji that require greater than max unicode version + for i := range data { + val, _ := strconv.ParseFloat(data[i].UnicodeVersion, 64) + if int(val) <= maxUnicodeVersion { + tmp = append(tmp, data[i]) + } + } + data = tmp + + sort.Slice(data, func(i, j int) bool { + return data[i].Aliases[0] < data[j].Aliases[0] + }) + + aliasMap := make(map[string]int, len(data)) + + for i, e := range data { + if e.Emoji == "" || len(e.Aliases) == 0 { + continue + } + for _, a := range e.Aliases { + if a == "" { + continue + } + aliasMap[a] = i + } + } + + // Forgejo customizations + i, ok := aliasMap["tada"] + if ok { + data[i].Aliases = append(data[i].Aliases, "hooray") + } + i, ok = aliasMap["laughing"] + if ok { + data[i].Aliases = append(data[i].Aliases, "laugh") + } + + // write a JSON file to use with tribute (write before adding skin tones since we can't support them there yet) + file, _ := json.Marshal(data) + _ = os.WriteFile("assets/emoji.json", file, 0o644) + + // Add skin tones to emoji that support it + var ( + s []string + newEmoji string + newDescription string + newData Emoji + ) + + for i := range data { + if data[i].SkinTones { + for k, v := range skinTones { + s = strings.Split(data[i].Emoji, "") + + if utf8.RuneCountInString(data[i].Emoji) == 1 { + s = append(s, k) + } else { + // insert into slice after first element because all emoji that support skin tones + // have that modifier placed at this spot + s = append(s, "") + copy(s[2:], s[1:]) + s[1] = k + } + + newEmoji = strings.Join(s, "") + newDescription = data[i].Description + ": " + v + newAlias := data[i].Aliases[0] + "_" + strings.ReplaceAll(v, " ", "_") + + newData = Emoji{newEmoji, newDescription, []string{newAlias}, "12.0", false} + data = append(data, newData) + } + } + } + + sort.Slice(data, func(i, j int) bool { + return data[i].Aliases[0] < data[j].Aliases[0] + }) + + // add header + str := replacer.Replace(fmt.Sprintf(hdr, gemojiURL, data)) + + // change the format of the unicode string + str = emojiRE.ReplaceAllStringFunc(str, func(s string) string { + var err error + s, err = strconv.Unquote(s[len("{Emoji:"):]) + if err != nil { + panic(err) + } + return "{" + strconv.QuoteToASCII(s) + }) + + // format + return format.Source([]byte(str)) +} + +const hdr = ` +// Copyright 2020 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + + +package emoji + +// Code generated by build/generate-emoji.go. DO NOT EDIT. +// Sourced from %s +var GemojiData = %#v +` |