/* GoToSocial Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org 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 . */ 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(`:`)
			buf.WriteString(safeCode)
			buf.WriteString(`:`) return buf.String() }, ) }