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67 lines
2.0 KiB
67 lines
2.0 KiB
/* |
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GoToSocial |
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Affero General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Affero General Public License for more details. |
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You should have received a copy of the GNU Affero General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package text |
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import ( |
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"bytes" |
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"html" |
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"github.com/superseriousbusiness/gotosocial/internal/api/model" |
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"github.com/superseriousbusiness/gotosocial/internal/regexes" |
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) |
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// Emojify replaces shortcodes in `inputText` with the emoji in `emojis`. |
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// |
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// Callers should ensure that inputText and resulting text are escaped |
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// appropriately depending on what they're used for. |
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func Emojify(emojis []model.Emoji, inputText string) string { |
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emojisMap := make(map[string]model.Emoji, len(emojis)) |
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for _, emoji := range emojis { |
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shortcode := ":" + emoji.Shortcode + ":" |
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emojisMap[shortcode] = emoji |
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} |
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return regexes.ReplaceAllStringFunc( |
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regexes.EmojiFinder, |
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inputText, |
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func(shortcode string, buf *bytes.Buffer) string { |
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// Look for emoji according to this shortcode |
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emoji, ok := emojisMap[shortcode] |
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if !ok { |
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return shortcode |
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} |
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// Escape raw emoji content |
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safeURL := html.EscapeString(emoji.URL) |
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safeCode := html.EscapeString(emoji.Shortcode) |
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// Write HTML emoji repr to buffer |
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buf.WriteString(`<img src="`) |
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buf.WriteString(safeURL) |
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buf.WriteString(`" title=":`) |
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buf.WriteString(safeCode) |
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buf.WriteString(`:" alt="`) |
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buf.WriteString(safeCode) |
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buf.WriteString(`" class="emoji"/>`) |
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return buf.String() |
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}, |
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) |
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}
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