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Refactor render system (orgmode) (#32671)

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Close  #29100
This commit is contained in:
wxiaoguang 2024-11-29 16:08:29 +08:00 committed by GitHub
parent a1f56f83bf
commit 93640993e3
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GPG Key ID: B5690EEEBB952194
3 changed files with 85 additions and 50 deletions
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39
models/renderhelper/repo_file_test.go
View File

@ -12,6 +12,8 @@ import (
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown"
_ "code.gitea.io/gitea/modules/markup/orgmode"
"github.com/stretchr/testify/assert"
)
@ -81,3 +83,40 @@ func TestRepoFile(t *testing.T) {
</video>`, rendered)
})
}
func TestRepoFileOrgMode(t *testing.T) {
unittest.PrepareTestEnv(t)
repo1 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
t.Run("Links", func(t *testing.T) {
rctx := NewRenderContextRepoFile(context.Background(), repo1, RepoFileOptions{
CurrentRefPath: "/commit/1234",
CurrentTreePath: "my-dir",
}).WithRelativePath("my-dir/a.org")
rendered, err := markup.RenderString(rctx, `
[[https://google.com/]]
[[ImageLink.svg][The Image Desc]]
`)
assert.NoError(t, err)
assert.Equal(t, `<p>
<a href="https://google.com/" rel="nofollow">https://google.com/</a>
<a href="/user2/repo1/media/commit/1234/my-dir/ImageLink.svg" rel="nofollow">The Image Desc</a></p>
`, rendered)
})
t.Run("CodeHighlight", func(t *testing.T) {
rctx := NewRenderContextRepoFile(context.Background(), repo1, RepoFileOptions{}).WithRelativePath("my-dir/a.org")
rendered, err := markup.RenderString(rctx, `
#+begin_src c
int a = 1;
#+end_src
`)
assert.NoError(t, err)
assert.Equal(t, `<div>
<pre><code class="chroma language-c"><span class="kt">int</span> <span class="n">a</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span></code></pre>
</div>
`, rendered)
})
}

76
modules/markup/orgmode/orgmode.go
View File

@ -6,10 +6,12 @@ package markup
import (
"fmt"
"html"
"html/template"
"io"
"strings"
"code.gitea.io/gitea/modules/highlight"
"code.gitea.io/gitea/modules/htmlutil"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
@ -20,33 +22,36 @@ import (
)
func init() {
markup.RegisterRenderer(Renderer{})
markup.RegisterRenderer(renderer{})
}
// Renderer implements markup.Renderer for orgmode
type Renderer struct{}
type renderer struct{}
var _ markup.PostProcessRenderer = (*Renderer)(nil)
var (
_ markup.Renderer = (*renderer)(nil)
_ markup.PostProcessRenderer = (*renderer)(nil)
)
// Name implements markup.Renderer
func (Renderer) Name() string {
func (renderer) Name() string {
return "orgmode"
}
// NeedPostProcess implements markup.PostProcessRenderer
func (Renderer) NeedPostProcess() bool { return true }
func (renderer) NeedPostProcess() bool { return true }
// Extensions implements markup.Renderer
func (Renderer) Extensions() []string {
func (renderer) Extensions() []string {
return []string{".org"}
}
// SanitizerRules implements markup.Renderer
func (Renderer) SanitizerRules() []setting.MarkupSanitizerRule {
func (renderer) SanitizerRules() []setting.MarkupSanitizerRule {
return []setting.MarkupSanitizerRule{}
}
// Render renders orgmode rawbytes to HTML
// Render renders orgmode raw bytes to HTML
func Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error {
htmlWriter := org.NewHTMLWriter()
htmlWriter.HighlightCodeBlock = func(source, lang string, inline bool, params map[string]string) string {
@ -56,10 +61,7 @@ func Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error
panic(err)
}
}()
var w strings.Builder
if _, err := w.WriteString(`<pre>`); err != nil {
return ""
}
w := &strings.Builder{}
lexer := lexers.Get(lang)
if lexer == nil && lang == "" {
@ -70,26 +72,20 @@ func Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error
lang = strings.ToLower(lexer.Config().Name)
}
if lexer == nil {
// include language-x class as part of commonmark spec
if _, err := w.WriteString(`<code class="chroma language-` + lang + `">`); err != nil {
if err := ctx.RenderInternal.FormatWithSafeAttrs(w, `<pre><code class="chroma language-%s">`, lang); err != nil {
return ""
}
if lexer == nil {
if _, err := w.WriteString(html.EscapeString(source)); err != nil {
return ""
}
} else {
// include language-x class as part of commonmark spec
if _, err := w.WriteString(`<code class="chroma language-` + lang + `">`); err != nil {
return ""
}
lexer = chroma.Coalesce(lexer)
if _, err := w.WriteString(string(highlight.CodeFromLexer(lexer, source))); err != nil {
return ""
}
}
if _, err := w.WriteString("</code></pre>"); err != nil {
return ""
}
@ -97,11 +93,7 @@ func Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error
return w.String()
}
w := &Writer{
HTMLWriter: htmlWriter,
Ctx: ctx,
}
w := &orgWriter{rctx: ctx, HTMLWriter: htmlWriter}
htmlWriter.ExtendingWriter = w
res, err := org.New().Silent().Parse(input, "").Write(w)
@ -122,17 +114,18 @@ func RenderString(ctx *markup.RenderContext, content string) (string, error) {
}
// Render renders orgmode string to HTML string
func (Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error {
func (renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error {
return Render(ctx, input, output)
}
// Writer implements org.Writer
type Writer struct {
type orgWriter struct {
*org.HTMLWriter
Ctx *markup.RenderContext
rctx *markup.RenderContext
}
func (r *Writer) resolveLink(kind, link string) string {
var _ org.Writer = (*orgWriter)(nil)
func (r *orgWriter) resolveLink(kind, link string) string {
link = strings.TrimPrefix(link, "file:")
if !strings.HasPrefix(link, "#") && // not a URL fragment
!markup.IsFullURLString(link) {
@ -142,39 +135,42 @@ func (r *Writer) resolveLink(kind, link string) string {
kind = org.RegularLink{URL: link}.Kind()
}
if kind == "image" || kind == "video" {
link = r.Ctx.RenderHelper.ResolveLink(link, markup.LinkTypeMedia)
link = r.rctx.RenderHelper.ResolveLink(link, markup.LinkTypeMedia)
} else {
link = r.Ctx.RenderHelper.ResolveLink(link, markup.LinkTypeDefault)
link = r.rctx.RenderHelper.ResolveLink(link, markup.LinkTypeDefault)
}
}
return link
}
// WriteRegularLink renders images, links or videos
func (r *Writer) WriteRegularLink(l org.RegularLink) {
func (r *orgWriter) WriteRegularLink(l org.RegularLink) {
link := r.resolveLink(l.Kind(), l.URL)
printHTML := func(html string, a ...any) {
_, _ = fmt.Fprint(r, htmlutil.HTMLFormat(html, a...))
}
// Inspired by https://github.com/niklasfasching/go-org/blob/6eb20dbda93cb88c3503f7508dc78cbbc639378f/org/html_writer.go#L406-L427
switch l.Kind() {
case "image":
if l.Description == nil {
_, _ = fmt.Fprintf(r, `<img src="%s" alt="%s" />`, link, link)
printHTML(`<img src="%s" alt="%s">`, link, link)
} else {
imageSrc := r.resolveLink(l.Kind(), org.String(l.Description...))
_, _ = fmt.Fprintf(r, `<a href="%s"><img src="%s" alt="%s" /></a>`, link, imageSrc, imageSrc)
printHTML(`<a href="%s"><img src="%s" alt="%s"></a>`, link, imageSrc, imageSrc)
}
case "video":
if l.Description == nil {
_, _ = fmt.Fprintf(r, `<video src="%s">%s</video>`, link, link)
printHTML(`<video src="%s">%s</video>`, link, link)
} else {
videoSrc := r.resolveLink(l.Kind(), org.String(l.Description...))
_, _ = fmt.Fprintf(r, `<a href="%s"><video src="%s">%s</video></a>`, link, videoSrc, videoSrc)
printHTML(`<a href="%s"><video src="%s">%s</video></a>`, link, videoSrc, videoSrc)
}
default:
description := link
var description any = link
if l.Description != nil {
description = r.WriteNodesAsString(l.Description...)
description = template.HTML(r.WriteNodesAsString(l.Description...)) // orgmode HTMLWriter outputs HTML content
}
_, _ = fmt.Fprintf(r, `<a href="%s">%s</a>`, link, description)
printHTML(`<a href="%s">%s</a>`, link, description)
}
}

16
modules/markup/orgmode/orgmode_test.go
View File

@ -58,15 +58,15 @@ func TestRender_Media(t *testing.T) {
}
test("[[file:../../.images/src/02/train.jpg]]",
`<p><img src=".images/src/02/train.jpg" alt=".images/src/02/train.jpg" /></p>`)
`<p><img src=".images/src/02/train.jpg" alt=".images/src/02/train.jpg"></p>`)
test("[[file:train.jpg]]",
`<p><img src="relative-path/train.jpg" alt="relative-path/train.jpg" /></p>`)
`<p><img src="relative-path/train.jpg" alt="relative-path/train.jpg"></p>`)
// With description.
test("[[https://example.com][https://example.com/example.svg]]",
`<p><a href="https://example.com"><img src="https://example.com/example.svg" alt="https://example.com/example.svg" /></a></p>`)
`<p><a href="https://example.com"><img src="https://example.com/example.svg" alt="https://example.com/example.svg"></a></p>`)
test("[[https://example.com][pre https://example.com/example.svg post]]",
`<p><a href="https://example.com">pre <img src="https://example.com/example.svg" alt="https://example.com/example.svg" /> post</a></p>`)
`<p><a href="https://example.com">pre <img src="https://example.com/example.svg" alt="https://example.com/example.svg"> post</a></p>`)
test("[[https://example.com][https://example.com/example.mp4]]",
`<p><a href="https://example.com"><video src="https://example.com/example.mp4">https://example.com/example.mp4</video></a></p>`)
test("[[https://example.com][pre https://example.com/example.mp4 post]]",
@ -74,19 +74,19 @@ func TestRender_Media(t *testing.T) {
// Without description.
test("[[https://example.com/example.svg]]",
`<p><img src="https://example.com/example.svg" alt="https://example.com/example.svg" /></p>`)
`<p><img src="https://example.com/example.svg" alt="https://example.com/example.svg"></p>`)
test("[[https://example.com/example.mp4]]",
`<p><video src="https://example.com/example.mp4">https://example.com/example.mp4</video></p>`)
// test [[LINK][DESCRIPTION]] syntax with "file:" prefix
test(`[[https://example.com/][file:https://example.com/foo%20bar.svg]]`,
`<p><a href="https://example.com/"><img src="https://example.com/foo%20bar.svg" alt="https://example.com/foo%20bar.svg" /></a></p>`)
`<p><a href="https://example.com/"><img src="https://example.com/foo%20bar.svg" alt="https://example.com/foo%20bar.svg"></a></p>`)
test(`[[file:https://example.com/foo%20bar.svg][Goto Image]]`,
`<p><a href="https://example.com/foo%20bar.svg">Goto Image</a></p>`)
test(`[[file:https://example.com/link][https://example.com/image.jpg]]`,
`<p><a href="https://example.com/link"><img src="https://example.com/image.jpg" alt="https://example.com/image.jpg" /></a></p>`)
`<p><a href="https://example.com/link"><img src="https://example.com/image.jpg" alt="https://example.com/image.jpg"></a></p>`)
test(`[[file:https://example.com/link][file:https://example.com/image.jpg]]`,
`<p><a href="https://example.com/link"><img src="https://example.com/image.jpg" alt="https://example.com/image.jpg" /></a></p>`)
`<p><a href="https://example.com/link"><img src="https://example.com/image.jpg" alt="https://example.com/image.jpg"></a></p>`)
}
func TestRender_Source(t *testing.T) {