mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-14 20:37:55 -05:00
markup/goldmark: Add Position to CodeblockContext
But note that this is not particulary fast and the recommendad usage is error logging only. Updates #9574
This commit is contained in:
parent
2e54c00933
commit
928a896962
7 changed files with 161 additions and 19 deletions
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@ -23,6 +23,7 @@ import (
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"sync"
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"unicode/utf8"
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"github.com/gohugoio/hugo/common/text"
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"github.com/gohugoio/hugo/identity"
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"github.com/mitchellh/mapstructure"
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"github.com/pkg/errors"
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@ -430,6 +431,25 @@ func (p *pageContentOutput) initRenderHooks() error {
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renderCache := make(map[cacheKey]interface{})
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var renderCacheMu sync.Mutex
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resolvePosition := func(ctx interface{}) text.Position {
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var offset int
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switch v := ctx.(type) {
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case hooks.CodeblockContext:
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offset = bytes.Index(p.p.source.parsed.Input(), []byte(v.Code()))
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}
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pos := p.p.posFromInput(p.p.source.parsed.Input(), offset)
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if pos.LineNumber > 0 {
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// Move up to the code fence delimiter.
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// This is in line with how we report on shortcodes.
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pos.LineNumber = pos.LineNumber - 1
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}
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return pos
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}
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p.renderHooks.getRenderer = func(tp hooks.RendererType, id interface{}) interface{} {
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renderCacheMu.Lock()
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defer renderCacheMu.Unlock()
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@ -510,6 +530,7 @@ func (p *pageContentOutput) initRenderHooks() error {
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templateHandler: p.p.s.Tmpl(),
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SearchProvider: templ.(identity.SearchProvider),
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templ: templ,
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resolvePosition: resolvePosition,
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}
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renderCache[key] = r
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return r
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@ -1778,7 +1778,8 @@ var infoOnMissingLayout = map[string]bool{
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type hookRendererTemplate struct {
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templateHandler tpl.TemplateHandler
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identity.SearchProvider
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templ tpl.Template
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templ tpl.Template
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resolvePosition func(ctx interface{}) text.Position
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}
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func (hr hookRendererTemplate) RenderLink(w io.Writer, ctx hooks.LinkContext) error {
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@ -1793,6 +1794,10 @@ func (hr hookRendererTemplate) RenderCodeblock(w hugio.FlexiWriter, ctx hooks.Co
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return hr.templateHandler.Execute(hr.templ, w, ctx)
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}
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func (hr hookRendererTemplate) ResolvePosition(ctx interface{}) text.Position {
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return hr.resolvePosition(ctx)
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}
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func (s *Site) renderForTemplate(name, outputFormat string, d interface{}, w io.Writer, templ tpl.Template) (err error) {
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if templ == nil {
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s.logMissingLayout(name, "", "", outputFormat)
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@ -128,9 +128,13 @@ type DocumentContext struct {
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// RenderContext holds contextual information about the content to render.
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type RenderContext struct {
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Src []byte
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// Src is the content to render.
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Src []byte
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// Whether to render TableOfContents.
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RenderTOC bool
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// GerRenderer provides hook renderers on demand.
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GetRenderer hooks.GetRendererFunc
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}
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@ -17,6 +17,7 @@ import (
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"io"
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"github.com/gohugoio/hugo/common/hugio"
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"github.com/gohugoio/hugo/common/text"
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"github.com/gohugoio/hugo/identity"
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"github.com/gohugoio/hugo/markup/internal/attributes"
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)
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@ -37,6 +38,7 @@ type LinkContext interface {
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type CodeblockContext interface {
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AttributesProvider
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text.Positioner
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Options() map[string]interface{}
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Lang() string
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Code() string
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@ -59,6 +61,10 @@ type CodeBlockRenderer interface {
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identity.Provider
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}
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type IsDefaultCodeBlockRendererProvider interface {
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IsDefaultCodeBlockRenderer() bool
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}
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// HeadingContext contains accessors to all attributes that a HeadingRenderer
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// can use to render a heading.
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type HeadingContext interface {
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@ -84,6 +90,14 @@ type HeadingRenderer interface {
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identity.Provider
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}
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// ElementPositionRevolver provides a way to resolve the start Position
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// of a markdown element in the original source document.
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// This may be both slow and aproximate, so should only be
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// used for error logging.
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type ElementPositionRevolver interface {
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ResolvePosition(ctx interface{}) text.Position
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}
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type RendererType int
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const (
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@ -141,3 +141,70 @@ echo "p1";
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b.AssertFileContent("public/p1/index.html", "|echo \"p1\";|")
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}
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func TestCodePosition(t *testing.T) {
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t.Parallel()
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files := `
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-- config.toml --
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-- content/p1.md --
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---
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title: "p1"
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---
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## Code
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§§§
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echo "p1";
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§§§
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-- layouts/_default/single.html --
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{{ .Content }}
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-- layouts/_default/_markup/render-codeblock.html --
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Position: {{ .Position | safeHTML }}
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`
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b := hugolib.NewIntegrationTestBuilder(
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hugolib.IntegrationTestConfig{
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T: t,
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TxtarString: files,
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},
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).Build()
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b.AssertFileContent("public/p1/index.html", "Position: \"content/p1.md:7:1\"")
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}
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// Issue 9571
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func TestOptionsNonChroma(t *testing.T) {
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t.Parallel()
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files := `
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-- config.toml --
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-- content/p1.md --
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---
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title: "p1"
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---
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## Code
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§§§bash {style=monokai}
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echo "p1";
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§§§
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-- layouts/_default/single.html --
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{{ .Content }}
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-- layouts/_default/_markup/render-codeblock.html --
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Style: {{ .Attributes }}|
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`
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b := hugolib.NewIntegrationTestBuilder(
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hugolib.IntegrationTestConfig{
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T: t,
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TxtarString: files,
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},
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).Build()
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b.AssertFileContent("public/p1/index.html", "asdfadf")
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}
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@ -16,7 +16,9 @@ package codeblocks
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import (
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"bytes"
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"fmt"
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"sync"
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"github.com/gohugoio/hugo/common/herrors"
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htext "github.com/gohugoio/hugo/common/text"
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"github.com/gohugoio/hugo/markup/converter/hooks"
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"github.com/gohugoio/hugo/markup/goldmark/internal/render"
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@ -59,6 +61,8 @@ func (r *htmlRenderer) RegisterFuncs(reg renderer.NodeRendererFuncRegisterer) {
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}
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func (r *htmlRenderer) renderCodeBlock(w util.BufWriter, src []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
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defer herrors.Recover()
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ctx := w.(*render.Context)
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if entering {
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@ -67,6 +71,11 @@ func (r *htmlRenderer) renderCodeBlock(w util.BufWriter, src []byte, node ast.No
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n := node.(*codeBlock)
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lang := string(n.b.Language(src))
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renderer := ctx.RenderContext().GetRenderer(hooks.CodeBlockRendererType, lang)
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if renderer == nil {
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return ast.WalkStop, fmt.Errorf("no code renderer found for %q", lang)
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}
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ordinal := n.ordinal
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var buff bytes.Buffer
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@ -77,30 +86,37 @@ func (r *htmlRenderer) renderCodeBlock(w util.BufWriter, src []byte, node ast.No
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buff.Write(line.Value(src))
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}
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text := htext.Chomp(buff.String())
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s := htext.Chomp(buff.String())
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var info []byte
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if n.b.Info != nil {
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info = n.b.Info.Segment.Value(src)
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}
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attrs := getAttributes(n.b, info)
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v := ctx.RenderContext().GetRenderer(hooks.CodeBlockRendererType, lang)
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if v == nil {
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return ast.WalkStop, fmt.Errorf("no code renderer found for %q", lang)
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cbctx := &codeBlockContext{
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page: ctx.DocumentContext().Document,
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lang: lang,
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code: s,
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ordinal: ordinal,
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AttributesHolder: attributes.New(attrs, attributes.AttributesOwnerCodeBlock),
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}
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cr := v.(hooks.CodeBlockRenderer)
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cbctx.createPos = func() htext.Position {
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if resolver, ok := renderer.(hooks.ElementPositionRevolver); ok {
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return resolver.ResolvePosition(cbctx)
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}
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return htext.Position{
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Filename: ctx.DocumentContext().Filename,
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LineNumber: 0,
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ColumnNumber: 0,
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}
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}
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cr := renderer.(hooks.CodeBlockRenderer)
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err := cr.RenderCodeblock(
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w,
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codeBlockContext{
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page: ctx.DocumentContext().Document,
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lang: lang,
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code: text,
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ordinal: ordinal,
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AttributesHolder: attributes.New(attrs, attributes.AttributesOwnerCodeBlock),
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},
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cbctx,
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)
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ctx.AddIdentity(cr)
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@ -113,25 +129,39 @@ type codeBlockContext struct {
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lang string
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code string
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ordinal int
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// This is only used in error situations and is expensive to create,
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// to deleay creation until needed.
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pos htext.Position
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posInit sync.Once
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createPos func() htext.Position
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*attributes.AttributesHolder
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}
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func (c codeBlockContext) Page() interface{} {
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func (c *codeBlockContext) Page() interface{} {
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return c.page
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}
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func (c codeBlockContext) Lang() string {
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func (c *codeBlockContext) Lang() string {
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return c.lang
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}
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func (c codeBlockContext) Code() string {
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func (c *codeBlockContext) Code() string {
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return c.code
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}
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func (c codeBlockContext) Ordinal() int {
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func (c *codeBlockContext) Ordinal() int {
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return c.ordinal
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}
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func (c *codeBlockContext) Position() htext.Position {
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c.posInit.Do(func() {
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c.pos = c.createPos()
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})
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return c.pos
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}
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func getAttributes(node *ast.FencedCodeBlock, infostr []byte) []ast.Attribute {
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if node.Attributes() != nil {
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return node.Attributes()
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@ -40,6 +40,7 @@ func (*Transformer) Transform(doc *ast.Document, reader text.Reader, pctx parser
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}
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codeBlocks = append(codeBlocks, cb)
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return ast.WalkContinue, nil
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})
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