9397970644
* MM-55267 Add ability for server-side Markdown code to understand emojis * Remove unused regex
43 строки
1.0 KiB
Go
43 строки
1.0 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package markdown
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import (
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"regexp"
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)
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// Based off the mobile app's emoji parsing from https://github.com/mattermost/commonmark.js
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var (
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emojiRegex = regexp.MustCompile(`^:([a-z0-9_\-+]+):\B`)
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)
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// parseEmoji attempts to parse a named emoji (eg. :taco:) starting at the current parser position. If an emoji is
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// found, it adds that to p.inlines and returns true. Otherwise, it returns false.
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func (p *inlineParser) parseEmoji() bool {
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// Only allow emojis after non-word characters
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if p.position > 1 {
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prevChar := p.raw[p.position-1]
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if isWordByte(prevChar) {
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return false
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}
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}
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remaining := p.raw[p.position:]
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loc := emojiRegex.FindStringIndex(remaining)
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if loc == nil {
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return false
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}
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// Note that there may not be a system or custom emoji that exists with this name
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p.inlines = append(p.inlines, &Emoji{
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Name: remaining[loc[0]+1 : loc[1]-1],
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})
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p.position += loc[1] - loc[0]
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return true
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}
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