Autisticats/mautrix-discord
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Disable more unsupported features in discord markdown parser

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This commit is contained in:
Tulir Asokan
2023-01-29 17:11:56 +02:00
parent 44600c9496
commit 6f4c51852c
3 changed files with 23 additions and 6 deletions
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23
formatter.go
View File

@@ -1,5 +1,5 @@
// mautrix-discord - A Matrix-Discord puppeting bridge.
// Copyright (C) 2022 Tulir Asokan
// Copyright (C) 2023 Tulir Asokan
//
// 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
@@ -22,7 +22,9 @@ import (
"strings"
"github.com/yuin/goldmark"
"github.com/yuin/goldmark/extension"
"github.com/yuin/goldmark/parser"
"github.com/yuin/goldmark/util"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/format"
@@ -31,9 +33,21 @@ import (
"maunium.net/go/mautrix/util/variationselector"
)
var discordExtensions = goldmark.WithExtensions(mdext.SimpleSpoiler, mdext.DiscordUnderline, &DiscordEveryone{})
var discordExtensions = goldmark.WithExtensions(extension.Strikethrough, mdext.SimpleSpoiler, mdext.DiscordUnderline, &DiscordEveryone{})
var escapeFixer = regexp.MustCompile(`\\(__[^_]|\*\*[^*])`)
// indentableParagraphParser is the default paragraph parser with CanAcceptIndentedLine.
// Used when disabling CodeBlockParser (as disabling it without a replacement will make indented blocks disappear).
type indentableParagraphParser struct {
parser.BlockParser
}
var defaultIndentableParagraphParser = &indentableParagraphParser{BlockParser: parser.NewParagraphParser()}
func (b *indentableParagraphParser) CanAcceptIndentedLine() bool {
return true
}
func (portal *Portal) renderDiscordMarkdownOnlyHTML(text string) string {
text = escapeFixer.ReplaceAllStringFunc(text, func(s string) string {
return s[:2] + `\` + s[2:]
@@ -42,8 +56,11 @@ func (portal *Portal) renderDiscordMarkdownOnlyHTML(text string) string {
mdRenderer := goldmark.New(
goldmark.WithParser(mdext.ParserWithoutFeatures(
parser.NewListParser(), parser.NewListItemParser(), parser.NewHTMLBlockParser(), parser.NewRawHTMLParser(),
parser.NewSetextHeadingParser(), parser.NewATXHeadingParser(), parser.NewThematicBreakParser(),
parser.NewLinkParser(), parser.NewCodeBlockParser(),
)),
format.Extensions, format.HTMLOptions, discordExtensions,
goldmark.WithParserOptions(parser.WithBlockParsers(util.Prioritized(defaultIndentableParagraphParser, 500))),
format.HTMLOptions, discordExtensions,
goldmark.WithExtensions(&DiscordTag{portal}),
)

2
go.mod
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@@ -14,7 +14,7 @@ require (
github.com/stretchr/testify v1.8.1
github.com/yuin/goldmark v1.5.3
maunium.net/go/maulogger/v2 v2.3.2
maunium.net/go/mautrix v0.13.1-0.20230129131014-888cfabd8a52
maunium.net/go/mautrix v0.13.1-0.20230129151130-9eb38c70fff2
)
require (

4
go.sum
View File

@@ -77,5 +77,5 @@ maunium.net/go/mauflag v1.0.0 h1:YiaRc0tEI3toYtJMRIfjP+jklH45uDHtT80nUamyD4M=
maunium.net/go/mauflag v1.0.0/go.mod h1:nLivPOpTpHnpzEh8jEdSL9UqO9+/KBJFmNRlwKfkPeA=
maunium.net/go/maulogger/v2 v2.3.2 h1:1XmIYmMd3PoQfp9J+PaHhpt80zpfmMqaShzUTC7FwY0=
maunium.net/go/maulogger/v2 v2.3.2/go.mod h1:TYWy7wKwz/tIXTpsx8G3mZseIRiC5DoMxSZazOHy68A=
maunium.net/go/mautrix v0.13.1-0.20230129131014-888cfabd8a52 h1:7KoJL/7eozYlu4GW2jADHO+Qhm8WL45Afcm7A45BivM=
maunium.net/go/mautrix v0.13.1-0.20230129131014-888cfabd8a52/go.mod h1:gYMQPsZ9lQpyKlVp+DGwOuc9LIcE/c8GZW2CvKHISgM=
maunium.net/go/mautrix v0.13.1-0.20230129151130-9eb38c70fff2 h1:/09m+KWf2fjxJMSpnbVudv4hlBaJVU8oou8TMnvKK0I=
maunium.net/go/mautrix v0.13.1-0.20230129151130-9eb38c70fff2/go.mod h1:gYMQPsZ9lQpyKlVp+DGwOuc9LIcE/c8GZW2CvKHISgM=