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Preserve HTML Text for link render hooks
The context now have two text methods: * Text - rendered * PlainText Fixes #6629
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5 changed files with 79 additions and 12 deletions
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@ -117,7 +117,10 @@ Title
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: The title attribute.
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Text
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: The link text.
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: The rendered (HTML) link text.
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PlainText
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: The plain variant of the above.
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A Markdown example for a inline-style link with title:
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@ -213,6 +213,37 @@ P3: <p>P3. xml-link: https://www.example.org|</p>
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}
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// https://github.com/gohugoio/hugo/issues/6629
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func TestRenderLinkWithMarkupInText(t *testing.T) {
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b := newTestSitesBuilder(t)
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b.WithTemplates("index.html", `
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{{ $p := site.GetPage "p1.md" }}
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P1: {{ $p.Content }}
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`,
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"_default/_markup/render-link.html", `html-link: {{ .Destination | safeURL }}|Text: {{ .Text | safeHTML }}|Plain: {{ .PlainText | safeHTML }}`,
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)
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b.WithContent("p1.md", `---
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title: "p1"
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---
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START: [**should be bold**](https://gohugo.io)END
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Some regular **markup**.
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`)
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b.Build(BuildCfg{})
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b.AssertFileContent("public/index.html", `
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P1: <p>START: html-link: https://gohugo.io|Text: <strong>should be bold</strong>|Plain: should be boldEND</p>
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<p>Some regular <strong>markup</strong>.</p>
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`)
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}
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func TestRenderString(t *testing.T) {
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b := newTestSitesBuilder(t)
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@ -24,6 +24,7 @@ type LinkContext interface {
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Destination() string
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Title() string
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Text() string
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PlainText() string
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}
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type Render struct {
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@ -15,9 +15,9 @@
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package goldmark
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import (
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"bufio"
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"bytes"
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"fmt"
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"math/bits"
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"path/filepath"
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"runtime/debug"
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@ -162,8 +162,27 @@ func (c converterResult) GetIdentities() identity.Identities {
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return c.ids
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}
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type bufWriter struct {
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*bytes.Buffer
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}
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const maxInt = 1<<(bits.UintSize-1) - 1
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func (b *bufWriter) Available() int {
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return maxInt
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}
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func (b *bufWriter) Buffered() int {
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return b.Len()
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}
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func (b *bufWriter) Flush() error {
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return nil
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}
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type renderContext struct {
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util.BufWriter
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*bufWriter
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pos int
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renderContextData
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}
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@ -205,7 +224,7 @@ func (c *goldmarkConverter) Convert(ctx converter.RenderContext) (result convert
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}
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}()
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buf := &bytes.Buffer{}
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buf := &bufWriter{Buffer: &bytes.Buffer{}}
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result = buf
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pctx := newParserContext(ctx)
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reader := text.NewReader(ctx.Src)
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@ -221,8 +240,8 @@ func (c *goldmarkConverter) Convert(ctx converter.RenderContext) (result convert
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ids: identity.NewManager(converterIdentity),
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}
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w := renderContext{
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BufWriter: bufio.NewWriter(buf),
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w := &renderContext{
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bufWriter: buf,
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renderContextData: rcx,
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}
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@ -43,6 +43,7 @@ type linkContext struct {
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destination string
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title string
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text string
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plainText string
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}
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func (ctx linkContext) Destination() string {
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@ -61,6 +62,10 @@ func (ctx linkContext) Text() string {
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return ctx.text
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}
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func (ctx linkContext) PlainText() string {
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return ctx.plainText
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}
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func (ctx linkContext) Title() string {
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return ctx.title
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}
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@ -146,13 +151,16 @@ func (r *linkRenderer) renderImage(w util.BufWriter, source []byte, node ast.Nod
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return ast.WalkContinue, nil
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}
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text := string(n.Text(source))
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err := h.ImageRenderer.Render(
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w,
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linkContext{
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page: ctx.DocumentContext().Document,
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destination: string(n.Destination),
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title: string(n.Title),
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text: string(n.Text(source)),
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text: text,
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plainText: text,
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},
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)
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@ -166,7 +174,7 @@ func (r *linkRenderer) renderLink(w util.BufWriter, source []byte, node ast.Node
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n := node.(*ast.Link)
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var h *hooks.Render
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ctx, ok := w.(renderContextData)
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ctx, ok := w.(*renderContext)
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if ok {
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h = ctx.RenderContext().RenderHooks
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ok = h != nil && h.LinkRenderer != nil
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@ -176,24 +184,29 @@ func (r *linkRenderer) renderLink(w util.BufWriter, source []byte, node ast.Node
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return r.renderDefaultLink(w, source, node, entering)
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}
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if !entering {
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if entering {
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// Store the current pos so we can capture the rendered text.
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ctx.pos = ctx.Buffer.Len()
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return ast.WalkContinue, nil
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}
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text := ctx.Buffer.Bytes()[ctx.pos:]
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ctx.Buffer.Truncate(ctx.pos)
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err := h.LinkRenderer.Render(
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w,
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linkContext{
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page: ctx.DocumentContext().Document,
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destination: string(n.Destination),
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title: string(n.Title),
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text: string(n.Text(source)),
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text: string(text),
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plainText: string(n.Text(source)),
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},
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)
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ctx.AddIdentity(h.LinkRenderer.GetIdentity())
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// Do not render the inner text.
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return ast.WalkSkipChildren, err
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return ast.WalkContinue, err
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}
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