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forgejo/modules/markup/markdown/transform_list.go
wxiaoguang f692069616
Refactor markdown render (#30139)
Only split the file into small ones (and rename AttentionTypes to
attentionTypes)

(cherry picked from commit 71706126b56616750a65290460fd211b9b8449da)
Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>

Conflicts:
	- modules/markup/markdown/goldmark.go
	- modules/markup/markdown/transform_blockquote.go
	Conflicts were resolved by favouring the Forgejo implementation:
	I copied the Forgejo code to the same place Gitea copied them
	to, and adjusted the imports accordingly.

	Apart from conflict resolution, this also moves
	`applyElementDir` from a local func in `goldmark.Transform` to a
	method on `*ASTTransformer`, to make it callable from the
	extracted functions.
2024-04-16 10:42:49 +02:00

86 lines
2.3 KiB
Go

// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package markdown
import (
"fmt"
"code.gitea.io/gitea/modules/markup"
"github.com/yuin/goldmark/ast"
east "github.com/yuin/goldmark/extension/ast"
"github.com/yuin/goldmark/renderer/html"
"github.com/yuin/goldmark/text"
"github.com/yuin/goldmark/util"
)
func (r *HTMLRenderer) renderTaskCheckBoxListItem(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
n := node.(*TaskCheckBoxListItem)
if entering {
if n.Attributes() != nil {
_, _ = w.WriteString("<li")
html.RenderAttributes(w, n, html.ListItemAttributeFilter)
_ = w.WriteByte('>')
} else {
_, _ = w.WriteString("<li>")
}
fmt.Fprintf(w, `<input type="checkbox" disabled="" data-source-position="%d"`, n.SourcePosition)
if n.IsChecked {
_, _ = w.WriteString(` checked=""`)
}
if r.XHTML {
_, _ = w.WriteString(` />`)
} else {
_ = w.WriteByte('>')
}
fc := n.FirstChild()
if fc != nil {
if _, ok := fc.(*ast.TextBlock); !ok {
_ = w.WriteByte('\n')
}
}
} else {
_, _ = w.WriteString("</li>\n")
}
return ast.WalkContinue, nil
}
func (r *HTMLRenderer) renderTaskCheckBox(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
return ast.WalkContinue, nil
}
func (g *ASTTransformer) transformList(ctx *markup.RenderContext, v *ast.List, reader text.Reader, rc *RenderConfig) {
if v.HasChildren() {
children := make([]ast.Node, 0, v.ChildCount())
child := v.FirstChild()
for child != nil {
children = append(children, child)
child = child.NextSibling()
}
v.RemoveChildren(v)
for _, child := range children {
listItem := child.(*ast.ListItem)
if !child.HasChildren() || !child.FirstChild().HasChildren() {
v.AppendChild(v, child)
continue
}
taskCheckBox, ok := child.FirstChild().FirstChild().(*east.TaskCheckBox)
if !ok {
v.AppendChild(v, child)
continue
}
newChild := NewTaskCheckBoxListItem(listItem)
newChild.IsChecked = taskCheckBox.IsChecked
newChild.SetAttributeString("class", []byte("task-list-item"))
segments := newChild.FirstChild().Lines()
if segments.Len() > 0 {
segment := segments.At(0)
newChild.SourcePosition = rc.metaLength + segment.Start
}
v.AppendChild(v, newChild)
}
}
g.applyElementDir(v)
}