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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/yuin/goldmark" | ||
| "github.com/yuin/goldmark/ast" | ||
| "golang.org/x/net/html" | ||
| ) | ||
|
|
||
| // Updated ProcessHTML function | ||
| func ProcessHTML(node ast.Node, source []byte, output *strings.Builder) error { | ||
| for child := node.FirstChild(); child != nil; child = child.NextSibling() { | ||
| switch n := child.(type) { | ||
| case *ast.RawHTML: // Handle raw HTML | ||
| rawHTML := string(n.Text(source)) | ||
| elementType, srcPath, caption, ok := ExtractAssetFromHTML(rawHTML) | ||
| if ok { | ||
| // Convert specific HTML elements to Markdown | ||
| switch elementType { | ||
| case "img": | ||
| output.WriteString(fmt.Sprintf("\n", caption, srcPath)) | ||
| case "video", "audio": | ||
| output.WriteString(fmt.Sprintf("[%s](%s)\n", caption, srcPath)) | ||
| case "figure": | ||
| output.WriteString(fmt.Sprintf("\n", caption, srcPath)) | ||
| } | ||
| } else { | ||
| // Keep raw HTML if not matching | ||
| output.WriteString(rawHTML) | ||
| } | ||
| default: // Render Markdown elements as-is | ||
| if err := goldmark.DefaultRenderer().Render(output, source, n); err != nil { | ||
| return fmt.Errorf("error rendering markdown: %v", err) | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // Extract HTML attributes for specific elements | ||
| func ExtractAssetFromHTML(content string) (string, string, string, bool) { | ||
| doc, err := html.Parse(strings.NewReader(content)) | ||
| if err != nil { | ||
| return "", "", "", false | ||
| } | ||
|
|
||
| var srcPath, elementType, caption string | ||
| var f func(n *html.Node) | ||
| f = func(n *html.Node) { | ||
| if n.Type == html.ElementNode { | ||
| switch n.Data { | ||
| case "img", "audio", "video": | ||
| for _, attr := range n.Attr { | ||
| if attr.Key == "src" { | ||
| srcPath = attr.Val | ||
| elementType = n.Data | ||
| } | ||
| } | ||
| case "figcaption": | ||
| var buf strings.Builder | ||
| for c := n.FirstChild; c != nil; c = c.NextSibling { | ||
| if c.Type == html.TextNode { | ||
| buf.WriteString(c.Data) | ||
| } | ||
| } | ||
| caption = buf.String() | ||
| } | ||
| } | ||
|
|
||
| // Recurse through child nodes | ||
| for c := n.FirstChild; c != nil; c = c.NextSibling { | ||
| f(c) | ||
| } | ||
| } | ||
|
|
||
| f(doc) | ||
|
|
||
| if srcPath != "" { | ||
| return elementType, srcPath, caption, true | ||
| } | ||
|
|
||
| return "", "", "", false | ||
| } |
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