54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
// maubot - A plugin-based Matrix bot system written in Go.
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// Copyright (C) 2018 Tulir Asokan
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//
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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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//
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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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//
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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 <https://www.gnu.org/licenses/>.
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package matrix
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import (
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"strings"
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"gopkg.in/russross/blackfriday.v2"
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"maubot.xyz"
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)
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func RenderMarkdown(text string) maubot.Content {
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parser := blackfriday.New(
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blackfriday.WithExtensions(blackfriday.NoIntraEmphasis |
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blackfriday.Tables |
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blackfriday.FencedCode |
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blackfriday.Strikethrough |
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blackfriday.SpaceHeadings |
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blackfriday.DefinitionLists))
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ast := parser.Parse([]byte(text))
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renderer := blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{
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Flags: blackfriday.UseXHTML,
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})
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var buf strings.Builder
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renderer.RenderHeader(&buf, ast)
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ast.Walk(func(node *blackfriday.Node, entering bool) blackfriday.WalkStatus {
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return renderer.RenderNode(&buf, node, entering)
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})
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renderer.RenderFooter(&buf, ast)
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htmlBody := buf.String()
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return maubot.Content{
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FormattedBody: htmlBody,
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Format: maubot.FormatHTML,
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MsgType: maubot.MsgText,
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Body: HTMLToText(htmlBody),
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}
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}
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