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Escape specific emojis in markdown

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Fixes a part of #146
This commit is contained in:
Alexey Golub 2019-04-12 00:11:01 +03:00
parent ffdca7b799
commit 77366cc9b4
1 changed files with 23 additions and 5 deletions
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28
DiscordChatExporter.Core.Markdown/MarkdownParser.cs
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@ -140,6 +140,12 @@ namespace DiscordChatExporter.Core.Markdown
@"¯\_(ツ)_/¯",
s => new TextNode(s));
// Capture some specific emojis that don't get rendered
// This escapes it from matching for emoji
private static readonly IMatcher<Node> IgnoredEmojiTextNodeMatcher = new RegexMatcher<Node>(
new Regex("(\\u26A7|\\u2640|\\u2642|\\u2695|\\u267E|\\u00A9|\\u00AE|\\u2122)", DefaultRegexOptions),
m => new TextNode(m.Value, m.Groups[1].Value));
// Capture any "symbol/other" character or surrogate pair preceeded by a backslash
// This escapes it from matching for emoji
private static readonly IMatcher<Node> EscapedSymbolTextNodeMatcher = new RegexMatcher<Node>(
@ -155,6 +161,13 @@ namespace DiscordChatExporter.Core.Markdown
// Combine all matchers into one
// Matchers that have similar patterns are ordered from most specific to least specific
private static readonly IMatcher<Node> AggregateNodeMatcher = new AggregateMatcher<Node>(
// Escaped text
ShrugTextNodeMatcher,
IgnoredEmojiTextNodeMatcher,
EscapedSymbolTextNodeMatcher,
EscapedCharacterTextNodeMatcher,
// Formatting
ItalicBoldFormattedNodeMatcher,
ItalicUnderlineFormattedNodeMatcher,
BoldFormattedNodeMatcher,
@ -163,21 +176,26 @@ namespace DiscordChatExporter.Core.Markdown
ItalicAltFormattedNodeMatcher,
StrikethroughFormattedNodeMatcher,
SpoilerFormattedNodeMatcher,
// Code blocks
MultilineCodeBlockNodeMatcher,
InlineCodeBlockNodeMatcher,
// Mentions
EveryoneMentionNodeMatcher,
HereMentionNodeMatcher,
UserMentionNodeMatcher,
ChannelMentionNodeMatcher,
RoleMentionNodeMatcher,
StandardEmojiNodeMatcher,
CustomEmojiNodeMatcher,
// Links
TitledLinkNodeMatcher,
AutoLinkNodeMatcher,
HiddenLinkNodeMatcher,
ShrugTextNodeMatcher,
EscapedSymbolTextNodeMatcher,
EscapedCharacterTextNodeMatcher);
// Emoji
StandardEmojiNodeMatcher,
CustomEmojiNodeMatcher);
private static IReadOnlyList<Node> Parse(string input, IMatcher<Node> matcher) =>
matcher.MatchAll(input, s => new TextNode(s)).Select(r => r.Value).ToArray();