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-rw-r--r--modules/markup/markdown/toc.go54
1 files changed, 54 insertions, 0 deletions
diff --git a/modules/markup/markdown/toc.go b/modules/markup/markdown/toc.go
new file mode 100644
index 0000000..38f744a
--- /dev/null
+++ b/modules/markup/markdown/toc.go
@@ -0,0 +1,54 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package markdown
+
+import (
+ "fmt"
+ "net/url"
+
+ "code.gitea.io/gitea/modules/markup"
+ "code.gitea.io/gitea/modules/translation"
+
+ "github.com/yuin/goldmark/ast"
+)
+
+func createTOCNode(toc []markup.Header, lang string, detailsAttrs map[string]string) ast.Node {
+ details := NewDetails()
+ summary := NewSummary()
+
+ for k, v := range detailsAttrs {
+ details.SetAttributeString(k, []byte(v))
+ }
+
+ summary.AppendChild(summary, ast.NewString([]byte(translation.NewLocale(lang).TrString("toc"))))
+ details.AppendChild(details, summary)
+ ul := ast.NewList('-')
+ details.AppendChild(details, ul)
+ currentLevel := 6
+ for _, header := range toc {
+ if header.Level < currentLevel {
+ currentLevel = header.Level
+ }
+ }
+ for _, header := range toc {
+ for currentLevel > header.Level {
+ ul = ul.Parent().(*ast.List)
+ currentLevel--
+ }
+ for currentLevel < header.Level {
+ newL := ast.NewList('-')
+ ul.AppendChild(ul, newL)
+ currentLevel++
+ ul = newL
+ }
+ li := ast.NewListItem(currentLevel * 2)
+ a := ast.NewLink()
+ a.Destination = []byte(fmt.Sprintf("#%s", url.QueryEscape(header.ID)))
+ a.AppendChild(a, ast.NewString([]byte(header.Text)))
+ li.AppendChild(li, a)
+ ul.AppendChild(ul, li)
+ }
+
+ return details
+}