mirror of
https://github.com/go-gitea/gitea.git
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eb9267365d
Fixes markdown rendering details where Gitea deviated from GitHub unintentionally, and adds a `/devtest/markdown` page to review markdown rendering. - Paragraphs get the intended 1.5 line height - Blockquotes, alerts and definition lists no longer inherit browser default margins - Loose task lists keep their spacing, the checkbox renders inside the paragraph like on GitHub - Footnote references render as `[1]` so adjacent ones stay apart without CSS - Code in headings, headings in summaries, nested ordered lists, tables, `<mark>`, alert icons and `<hr>` follow GitHub Co-authored-by: bircni <bircni@icloud.com> Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package markdown
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import (
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"strconv"
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"gitea.dev/modules/markup"
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"github.com/yuin/goldmark/ast"
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east "github.com/yuin/goldmark/extension/ast"
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"github.com/yuin/goldmark/renderer/html"
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"github.com/yuin/goldmark/util"
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)
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func (r *HTMLRenderer) renderTaskCheckBox(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
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checkBox, ok := node.(*east.TaskCheckBox)
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if !entering || !ok {
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return ast.WalkContinue, nil
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}
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_, _ = w.WriteString(`<input type="checkbox" disabled=""`)
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html.RenderAttributes(w, checkBox, nil)
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if checkBox.IsChecked {
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_, _ = w.WriteString(` checked=""`)
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}
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if r.XHTML {
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_, _ = w.WriteString(` />`)
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} else {
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_ = w.WriteByte('>')
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}
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return ast.WalkContinue, nil
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}
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func (g *ASTTransformer) transformList(_ *markup.RenderContext, v *ast.List, rc *RenderConfig) {
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for listItem := v.FirstChild(); listItem != nil; listItem = listItem.NextSibling() {
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block := listItem.FirstChild()
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if block == nil {
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continue
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}
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checkBox, ok := block.FirstChild().(*east.TaskCheckBox)
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if !ok {
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continue
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}
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listItem.SetAttributeString(g.renderInternal.SafeAttr("class"), []byte(g.renderInternal.SafeValue("task-list-item")))
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if lines := block.Lines(); lines.Len() > 0 {
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checkBox.SetAttributeString("data-source-position", []byte(strconv.Itoa(rc.metaLength+lines.At(0).Start)))
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}
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}
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nestedList := false
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for p := v.Parent(); p != nil; p = p.Parent() {
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if _, ok := p.(*ast.List); ok {
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nestedList = true
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break
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}
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}
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if !nestedList {
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// "dir=auto" should be only added to top-level "ul". https://github.com/go-gitea/gitea/issues/35058
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g.applyElementDir(v)
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}
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}
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