67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package text
|
|
|
|
import (
|
|
"bytes"
|
|
"html"
|
|
|
|
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
|
|
"github.com/superseriousbusiness/gotosocial/internal/regexes"
|
|
)
|
|
|
|
// Emojify replaces shortcodes in `inputText` with the emoji in `emojis`.
|
|
//
|
|
// Callers should ensure that inputText and resulting text are escaped
|
|
// appropriately depending on what they're used for.
|
|
func Emojify(emojis []apimodel.Emoji, inputText string) string {
|
|
emojisMap := make(map[string]apimodel.Emoji, len(emojis))
|
|
|
|
for _, emoji := range emojis {
|
|
shortcode := ":" + emoji.Shortcode + ":"
|
|
emojisMap[shortcode] = emoji
|
|
}
|
|
|
|
return regexes.ReplaceAllStringFunc(
|
|
regexes.EmojiFinder,
|
|
inputText,
|
|
func(shortcode string, buf *bytes.Buffer) string {
|
|
// Look for emoji according to this shortcode
|
|
emoji, ok := emojisMap[shortcode]
|
|
if !ok {
|
|
return shortcode
|
|
}
|
|
|
|
// Escape raw emoji content
|
|
safeURL := html.EscapeString(emoji.URL)
|
|
safeCode := html.EscapeString(emoji.Shortcode)
|
|
|
|
// Write HTML emoji repr to buffer
|
|
buf.WriteString(`<img src="`)
|
|
buf.WriteString(safeURL)
|
|
buf.WriteString(`" title=":`)
|
|
buf.WriteString(safeCode)
|
|
buf.WriteString(`:" alt=":`)
|
|
buf.WriteString(safeCode)
|
|
buf.WriteString(`:" class="emoji"/>`)
|
|
|
|
return buf.String()
|
|
},
|
|
)
|
|
}
|