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Use media links for img in post-process (#10515) (#11504)

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* use media links for img in post-process

* do not visit text of anchors
This commit is contained in:
zeripath 2020-05-19 23:55:06 +01:00 committed by GitHub
parent 1d57c309ef
commit 1b62916393
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 29 additions and 5 deletions
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32
modules/markup/html.go
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@ -290,7 +290,7 @@ func (ctx *postProcessCtx) postProcess(rawHTML []byte) ([]byte, error) {
} }
for _, node := range nodes { for _, node := range nodes {
ctx.visitNode(node) ctx.visitNode(node, true)
} }
// Create buffer in which the data will be placed again. We know that the // Create buffer in which the data will be placed again. We know that the
@ -313,7 +313,7 @@ func (ctx *postProcessCtx) postProcess(rawHTML []byte) ([]byte, error) {
return res, nil return res, nil
} }
func (ctx *postProcessCtx) visitNode(node *html.Node) { func (ctx *postProcessCtx) visitNode(node *html.Node, visitText bool) {
// Add user-content- to IDs if they don't already have them // Add user-content- to IDs if they don't already have them
for idx, attr := range node.Attr { for idx, attr := range node.Attr {
if attr.Key == "id" && !(strings.HasPrefix(attr.Val, "user-content-") || blackfridayExtRegex.MatchString(attr.Val)) { if attr.Key == "id" && !(strings.HasPrefix(attr.Val, "user-content-") || blackfridayExtRegex.MatchString(attr.Val)) {
@ -323,13 +323,37 @@ func (ctx *postProcessCtx) visitNode(node *html.Node) {
// We ignore code, pre and already generated links. // We ignore code, pre and already generated links.
switch node.Type { switch node.Type {
case html.TextNode: case html.TextNode:
if visitText {
ctx.textNode(node) ctx.textNode(node)
}
case html.ElementNode: case html.ElementNode:
if node.Data == "a" || node.Data == "code" || node.Data == "pre" { if node.Data == "img" {
attrs := node.Attr
for idx, attr := range attrs {
if attr.Key != "src" {
continue
}
link := []byte(attr.Val)
if len(link) > 0 && !IsLink(link) {
prefix := ctx.urlPrefix
if ctx.isWikiMarkdown {
prefix = util.URLJoin(prefix, "wiki", "raw")
}
prefix = strings.Replace(prefix, "/src/", "/media/", 1)
lnk := string(link)
lnk = util.URLJoin(prefix, lnk)
link = []byte(lnk)
}
node.Attr[idx].Val = string(link)
}
} else if node.Data == "a" {
visitText = false
} else if node.Data == "code" || node.Data == "pre" {
return return
} }
for n := node.FirstChild; n != nil; n = n.NextSibling { for n := node.FirstChild; n != nil; n = n.NextSibling {
ctx.visitNode(n) ctx.visitNode(n, visitText)
} }
} }
// ignore everything else // ignore everything else