mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-29 13:12:05 -05:00
ade7ec8187
A layouts/shortcodes/include.html shortcode may look like this:
```html
{{ $p := site.GetPage (.Get 0) }}
{{ $p.RenderShortcodes }}
```
Fixes #7297
1015 lines
25 KiB
Go
1015 lines
25 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hugolib
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import (
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"bytes"
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"context"
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"fmt"
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"html/template"
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"strings"
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"sync"
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"unicode/utf8"
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"errors"
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"github.com/gohugoio/hugo/common/text"
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"github.com/gohugoio/hugo/common/types/hstring"
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"github.com/gohugoio/hugo/identity"
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"github.com/gohugoio/hugo/parser/pageparser"
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"github.com/mitchellh/mapstructure"
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"github.com/spf13/cast"
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"github.com/gohugoio/hugo/markup/converter/hooks"
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"github.com/gohugoio/hugo/markup/highlight/chromalexers"
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"github.com/gohugoio/hugo/markup/tableofcontents"
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"github.com/gohugoio/hugo/markup/converter"
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"github.com/gohugoio/hugo/lazy"
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bp "github.com/gohugoio/hugo/bufferpool"
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"github.com/gohugoio/hugo/tpl"
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"github.com/gohugoio/hugo/helpers"
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"github.com/gohugoio/hugo/output"
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"github.com/gohugoio/hugo/resources/page"
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"github.com/gohugoio/hugo/resources/resource"
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)
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var (
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nopTargetPath = targetPathsHolder{}
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nopPagePerOutput = struct {
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resource.ResourceLinksProvider
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page.ContentProvider
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page.PageRenderProvider
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page.PaginatorProvider
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page.TableOfContentsProvider
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page.AlternativeOutputFormatsProvider
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targetPather
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}{
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page.NopPage,
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page.NopPage,
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page.NopPage,
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page.NopPage,
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page.NopPage,
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page.NopPage,
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nopTargetPath,
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}
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)
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var pageContentOutputDependenciesID = identity.KeyValueIdentity{Key: "pageOutput", Value: "dependencies"}
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func newPageContentOutput(p *pageState, po *pageOutput) (*pageContentOutput, error) {
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parent := p.init
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var dependencyTracker identity.Manager
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if p.s.watching() {
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dependencyTracker = identity.NewManager(pageContentOutputDependenciesID)
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}
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cp := &pageContentOutput{
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dependencyTracker: dependencyTracker,
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p: p,
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f: po.f,
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renderHooks: &renderHooks{},
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}
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initToC := func(ctx context.Context) (err error) {
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if p.cmap == nil {
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// Nothing to do.
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return nil
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}
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if err := po.cp.initRenderHooks(); err != nil {
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return err
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}
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f := po.f
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cp.contentPlaceholders, err = p.shortcodeState.prepareShortcodesForPage(ctx, p, f)
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if err != nil {
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return err
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}
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ctxCallback := func(cp2 *pageContentOutput) {
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cp.p.cmap.hasNonMarkdownShortcode = cp.p.cmap.hasNonMarkdownShortcode || cp2.p.cmap.hasNonMarkdownShortcode
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// Merge content placeholders
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for k, v := range cp2.contentPlaceholders {
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cp.contentPlaceholders[k] = v
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}
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if p.s.watching() {
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for _, s := range cp2.p.shortcodeState.shortcodes {
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for _, templ := range s.templs {
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dependencyTracker.Add(templ.(identity.Manager))
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}
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}
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}
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// Transfer shortcode names so HasShortcode works for shortcodes from included pages.
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cp.p.shortcodeState.transferNames(cp2.p.shortcodeState)
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if cp2.p.pageOutputTemplateVariationsState.Load() == 2 {
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cp.p.pageOutputTemplateVariationsState.Store(2)
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}
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}
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ctx = tpl.SetCallbackFunctionInContext(ctx, ctxCallback)
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var hasVariants bool
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cp.workContent, hasVariants, err = p.contentToRender(ctx, p.source.parsed, p.cmap, cp.contentPlaceholders)
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if err != nil {
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return err
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}
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if hasVariants {
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p.pageOutputTemplateVariationsState.Store(2)
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}
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isHTML := cp.p.m.markup == "html"
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if !isHTML {
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createAndSetToC := func(tocProvider converter.TableOfContentsProvider) {
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cfg := p.s.ContentSpec.Converters.GetMarkupConfig()
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cp.tableOfContents = tocProvider.TableOfContents()
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cp.tableOfContentsHTML = template.HTML(
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cp.tableOfContents.ToHTML(
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cfg.TableOfContents.StartLevel,
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cfg.TableOfContents.EndLevel,
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cfg.TableOfContents.Ordered,
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),
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)
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}
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// If the converter supports doing the parsing separately, we do that.
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parseResult, ok, err := po.contentRenderer.ParseContent(ctx, cp.workContent)
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if err != nil {
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return err
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}
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if ok {
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// This is Goldmark.
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// Store away the parse result for later use.
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createAndSetToC(parseResult)
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cp.astDoc = parseResult.Doc()
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return nil
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}
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// This is Asciidoctor etc.
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r, err := po.contentRenderer.ParseAndRenderContent(ctx, cp.workContent, true)
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if err != nil {
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return err
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}
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cp.workContent = r.Bytes()
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if tocProvider, ok := r.(converter.TableOfContentsProvider); ok {
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createAndSetToC(tocProvider)
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} else {
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tmpContent, tmpTableOfContents := helpers.ExtractTOC(cp.workContent)
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cp.tableOfContentsHTML = helpers.BytesToHTML(tmpTableOfContents)
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cp.tableOfContents = tableofcontents.Empty
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cp.workContent = tmpContent
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}
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}
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return nil
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}
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initContent := func(ctx context.Context) (err error) {
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p.s.h.IncrContentRender()
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if p.cmap == nil {
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// Nothing to do.
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return nil
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}
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if cp.astDoc != nil {
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// The content is parsed, but not rendered.
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r, ok, err := po.contentRenderer.RenderContent(ctx, cp.workContent, cp.astDoc)
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if err != nil {
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return err
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}
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if !ok {
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return errors.New("invalid state: astDoc is set but RenderContent returned false")
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}
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cp.workContent = r.Bytes()
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}
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if p.cmap.hasNonMarkdownShortcode || cp.placeholdersEnabled {
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// There are one or more replacement tokens to be replaced.
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var hasShortcodeVariants bool
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tokenHandler := func(ctx context.Context, token string) ([]byte, error) {
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if token == tocShortcodePlaceholder {
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// The Page's TableOfContents was accessed in a shortcode.
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if cp.tableOfContentsHTML == "" {
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cp.p.s.initInit(ctx, cp.initToC, cp.p)
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}
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return []byte(cp.tableOfContentsHTML), nil
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}
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renderer, found := cp.contentPlaceholders[token]
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if found {
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repl, more, err := renderer.renderShortcode(ctx)
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if err != nil {
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return nil, err
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}
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hasShortcodeVariants = hasShortcodeVariants || more
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return repl, nil
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}
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// This should never happen.
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return nil, fmt.Errorf("unknown shortcode token %q", token)
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}
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cp.workContent, err = expandShortcodeTokens(ctx, cp.workContent, tokenHandler)
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if err != nil {
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return err
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}
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if hasShortcodeVariants {
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p.pageOutputTemplateVariationsState.Store(2)
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}
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}
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if cp.p.source.hasSummaryDivider {
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isHTML := cp.p.m.markup == "html"
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if isHTML {
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src := p.source.parsed.Input()
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// Use the summary sections as they are provided by the user.
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if p.source.posSummaryEnd != -1 {
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cp.summary = helpers.BytesToHTML(src[p.source.posMainContent:p.source.posSummaryEnd])
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}
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if cp.p.source.posBodyStart != -1 {
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cp.workContent = src[cp.p.source.posBodyStart:]
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}
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} else {
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summary, content, err := splitUserDefinedSummaryAndContent(cp.p.m.markup, cp.workContent)
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if err != nil {
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cp.p.s.Log.Errorf("Failed to set user defined summary for page %q: %s", cp.p.pathOrTitle(), err)
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} else {
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cp.workContent = content
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cp.summary = helpers.BytesToHTML(summary)
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}
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}
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} else if cp.p.m.summary != "" {
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b, err := po.contentRenderer.ParseAndRenderContent(ctx, []byte(cp.p.m.summary), false)
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if err != nil {
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return err
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}
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html := cp.p.s.ContentSpec.TrimShortHTML(b.Bytes())
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cp.summary = helpers.BytesToHTML(html)
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}
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cp.content = helpers.BytesToHTML(cp.workContent)
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return nil
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}
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cp.initToC = parent.Branch(func(ctx context.Context) (any, error) {
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return nil, initToC(ctx)
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})
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// There may be recursive loops in shortcodes and render hooks.
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cp.initMain = cp.initToC.BranchWithTimeout(p.s.conf.C.Timeout, func(ctx context.Context) (any, error) {
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return nil, initContent(ctx)
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})
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cp.initPlain = cp.initMain.Branch(func(context.Context) (any, error) {
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cp.plain = tpl.StripHTML(string(cp.content))
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cp.plainWords = strings.Fields(cp.plain)
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cp.setWordCounts(p.m.isCJKLanguage)
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if err := cp.setAutoSummary(); err != nil {
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return err, nil
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}
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return nil, nil
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})
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return cp, nil
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}
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type renderHooks struct {
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getRenderer hooks.GetRendererFunc
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init sync.Once
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}
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// pageContentOutput represents the Page content for a given output format.
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type pageContentOutput struct {
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f output.Format
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p *pageState
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// Lazy load dependencies
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initToC *lazy.Init
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initMain *lazy.Init
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initPlain *lazy.Init
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placeholdersEnabled bool
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placeholdersEnabledInit sync.Once
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// Renders Markdown hooks.
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renderHooks *renderHooks
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workContent []byte
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dependencyTracker identity.Manager // Set in server mode.
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// Temporary storage of placeholders mapped to their content.
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// These are shortcodes etc. Some of these will need to be replaced
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// after any markup is rendered, so they share a common prefix.
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contentPlaceholders map[string]shortcodeRenderer
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// Content sections
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content template.HTML
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summary template.HTML
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tableOfContents *tableofcontents.Fragments
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tableOfContentsHTML template.HTML
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// For Goldmark we split Parse and Render.
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astDoc any
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truncated bool
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plainWords []string
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plain string
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fuzzyWordCount int
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wordCount int
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readingTime int
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}
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func (p *pageContentOutput) trackDependency(id identity.Provider) {
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if p.dependencyTracker != nil {
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p.dependencyTracker.Add(id)
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}
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}
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func (p *pageContentOutput) Reset() {
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if p.dependencyTracker != nil {
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p.dependencyTracker.Reset()
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}
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p.initToC.Reset()
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p.initMain.Reset()
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p.initPlain.Reset()
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p.renderHooks = &renderHooks{}
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}
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func (p *pageContentOutput) Fragments(ctx context.Context) *tableofcontents.Fragments {
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p.p.s.initInit(ctx, p.initToC, p.p)
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if p.tableOfContents == nil {
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return tableofcontents.Empty
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}
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return p.tableOfContents
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}
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func (p *pageContentOutput) RenderShortcodes(ctx context.Context) (template.HTML, error) {
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p.p.s.initInit(ctx, p.initToC, p.p)
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source := p.p.source.parsed.Input()
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renderedShortcodes := p.contentPlaceholders
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var insertPlaceholders bool
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var hasVariants bool
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var cb func(*pageContentOutput)
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if v := tpl.GetCallbackFunctionFromContext(ctx); v != nil {
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if fn, ok := v.(func(*pageContentOutput)); ok {
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insertPlaceholders = true
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cb = fn
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}
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}
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c := make([]byte, 0, len(source)+(len(source)/10))
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for _, it := range p.p.cmap.items {
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switch v := it.(type) {
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case pageparser.Item:
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c = append(c, source[v.Pos():v.Pos()+len(v.Val(source))]...)
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case pageContentReplacement:
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// Ignore.
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case *shortcode:
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if !insertPlaceholders || !v.insertPlaceholder() {
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// Insert the rendered shortcode.
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renderedShortcode, found := renderedShortcodes[v.placeholder]
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if !found {
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// This should never happen.
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panic(fmt.Sprintf("rendered shortcode %q not found", v.placeholder))
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}
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b, more, err := renderedShortcode.renderShortcode(ctx)
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if err != nil {
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return "", fmt.Errorf("failed to render shortcode: %w", err)
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}
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hasVariants = hasVariants || more
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c = append(c, []byte(b)...)
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} else {
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// Insert the placeholder so we can insert the content after
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// markdown processing.
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c = append(c, []byte(v.placeholder)...)
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}
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default:
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panic(fmt.Sprintf("unknown item type %T", it))
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}
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}
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if hasVariants {
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p.p.pageOutputTemplateVariationsState.Store(2)
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}
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if cb != nil {
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cb(p)
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}
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return helpers.BytesToHTML(c), nil
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}
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func (p *pageContentOutput) TableOfContents(ctx context.Context) template.HTML {
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p.p.s.initInit(ctx, p.initToC, p.p)
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return p.tableOfContentsHTML
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}
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func (p *pageContentOutput) Content(ctx context.Context) (any, error) {
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p.p.s.initInit(ctx, p.initMain, p.p)
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return p.content, nil
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}
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func (p *pageContentOutput) FuzzyWordCount(ctx context.Context) int {
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p.p.s.initInit(ctx, p.initPlain, p.p)
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return p.fuzzyWordCount
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}
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func (p *pageContentOutput) Len(ctx context.Context) int {
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p.p.s.initInit(ctx, p.initMain, p.p)
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return len(p.content)
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}
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func (p *pageContentOutput) Plain(ctx context.Context) string {
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p.p.s.initInit(ctx, p.initPlain, p.p)
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return p.plain
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}
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func (p *pageContentOutput) PlainWords(ctx context.Context) []string {
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p.p.s.initInit(ctx, p.initPlain, p.p)
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return p.plainWords
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}
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func (p *pageContentOutput) ReadingTime(ctx context.Context) int {
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p.p.s.initInit(ctx, p.initPlain, p.p)
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return p.readingTime
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}
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func (p *pageContentOutput) Summary(ctx context.Context) template.HTML {
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p.p.s.initInit(ctx, p.initMain, p.p)
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if !p.p.source.hasSummaryDivider {
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p.p.s.initInit(ctx, p.initPlain, p.p)
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}
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return p.summary
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}
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func (p *pageContentOutput) Truncated(ctx context.Context) bool {
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if p.p.truncated {
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return true
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}
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p.p.s.initInit(ctx, p.initPlain, p.p)
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return p.truncated
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}
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func (p *pageContentOutput) WordCount(ctx context.Context) int {
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p.p.s.initInit(ctx, p.initPlain, p.p)
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return p.wordCount
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}
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func (p *pageContentOutput) RenderString(ctx context.Context, args ...any) (template.HTML, error) {
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if len(args) < 1 || len(args) > 2 {
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return "", errors.New("want 1 or 2 arguments")
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}
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var contentToRender string
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opts := defaultRenderStringOpts
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sidx := 1
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if len(args) == 1 {
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sidx = 0
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} else {
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m, ok := args[0].(map[string]any)
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if !ok {
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return "", errors.New("first argument must be a map")
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}
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if err := mapstructure.WeakDecode(m, &opts); err != nil {
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return "", fmt.Errorf("failed to decode options: %w", err)
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}
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}
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contentToRenderv := args[sidx]
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if _, ok := contentToRenderv.(hstring.RenderedString); ok {
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// This content is already rendered, this is potentially
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// a infinite recursion.
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return "", errors.New("text is already rendered, repeating it may cause infinite recursion")
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}
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var err error
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contentToRender, err = cast.ToStringE(contentToRenderv)
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if err != nil {
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return "", err
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}
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if err = p.initRenderHooks(); err != nil {
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return "", err
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}
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conv := p.p.getContentConverter()
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if opts.Markup != "" && opts.Markup != p.p.m.markup {
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|
var err error
|
|
// TODO(bep) consider cache
|
|
conv, err = p.p.m.newContentConverter(p.p, opts.Markup)
|
|
if err != nil {
|
|
return "", p.p.wrapError(err)
|
|
}
|
|
}
|
|
|
|
var rendered []byte
|
|
|
|
if pageparser.HasShortcode(contentToRender) {
|
|
// String contains a shortcode.
|
|
parsed, err := pageparser.ParseMain(strings.NewReader(contentToRender), pageparser.Config{})
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
pm := &pageContentMap{
|
|
items: make([]any, 0, 20),
|
|
}
|
|
s := newShortcodeHandler(p.p, p.p.s)
|
|
|
|
if err := p.p.mapContentForResult(
|
|
parsed,
|
|
s,
|
|
pm,
|
|
opts.Markup,
|
|
nil,
|
|
); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
placeholders, err := s.prepareShortcodesForPage(ctx, p.p, p.f)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
contentToRender, hasVariants, err := p.p.contentToRender(ctx, parsed, pm, placeholders)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
if hasVariants {
|
|
p.p.pageOutputTemplateVariationsState.Store(2)
|
|
}
|
|
b, err := p.renderContentWithConverter(ctx, conv, contentToRender, false)
|
|
if err != nil {
|
|
return "", p.p.wrapError(err)
|
|
}
|
|
rendered = b.Bytes()
|
|
|
|
if pm.hasNonMarkdownShortcode || p.placeholdersEnabled {
|
|
var hasShortcodeVariants bool
|
|
|
|
tokenHandler := func(ctx context.Context, token string) ([]byte, error) {
|
|
if token == tocShortcodePlaceholder {
|
|
// The Page's TableOfContents was accessed in a shortcode.
|
|
if p.tableOfContentsHTML == "" {
|
|
p.p.s.initInit(ctx, p.initToC, p.p)
|
|
}
|
|
return []byte(p.tableOfContentsHTML), nil
|
|
}
|
|
renderer, found := placeholders[token]
|
|
if found {
|
|
repl, more, err := renderer.renderShortcode(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
hasShortcodeVariants = hasShortcodeVariants || more
|
|
return repl, nil
|
|
}
|
|
// This should not happen.
|
|
return nil, fmt.Errorf("unknown shortcode token %q", token)
|
|
}
|
|
|
|
rendered, err = expandShortcodeTokens(ctx, rendered, tokenHandler)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
if hasShortcodeVariants {
|
|
p.p.pageOutputTemplateVariationsState.Store(2)
|
|
}
|
|
}
|
|
|
|
// We need a consolidated view in $page.HasShortcode
|
|
p.p.shortcodeState.transferNames(s)
|
|
|
|
} else {
|
|
c, err := p.renderContentWithConverter(ctx, conv, []byte(contentToRender), false)
|
|
if err != nil {
|
|
return "", p.p.wrapError(err)
|
|
}
|
|
|
|
rendered = c.Bytes()
|
|
}
|
|
|
|
if opts.Display == "inline" {
|
|
// We may have to rethink this in the future when we get other
|
|
// renderers.
|
|
rendered = p.p.s.ContentSpec.TrimShortHTML(rendered)
|
|
}
|
|
|
|
return template.HTML(string(rendered)), nil
|
|
}
|
|
|
|
func (p *pageContentOutput) RenderWithTemplateInfo(ctx context.Context, info tpl.Info, layout ...string) (template.HTML, error) {
|
|
p.p.addDependency(info)
|
|
return p.Render(ctx, layout...)
|
|
}
|
|
|
|
func (p *pageContentOutput) Render(ctx context.Context, layout ...string) (template.HTML, error) {
|
|
if len(layout) == 0 {
|
|
return "", errors.New("no layout given")
|
|
}
|
|
templ, found, err := p.p.resolveTemplate(layout...)
|
|
if err != nil {
|
|
return "", p.p.wrapError(err)
|
|
}
|
|
|
|
if !found {
|
|
return "", nil
|
|
}
|
|
|
|
p.p.addDependency(templ.(tpl.Info))
|
|
|
|
// Make sure to send the *pageState and not the *pageContentOutput to the template.
|
|
res, err := executeToString(ctx, p.p.s.Tmpl(), templ, p.p)
|
|
if err != nil {
|
|
return "", p.p.wrapError(fmt.Errorf("failed to execute template %s: %w", templ.Name(), err))
|
|
}
|
|
return template.HTML(res), nil
|
|
}
|
|
|
|
func (p *pageContentOutput) initRenderHooks() error {
|
|
if p == nil {
|
|
return nil
|
|
}
|
|
|
|
p.renderHooks.init.Do(func() {
|
|
if p.p.pageOutputTemplateVariationsState.Load() == 0 {
|
|
p.p.pageOutputTemplateVariationsState.Store(1)
|
|
}
|
|
|
|
type cacheKey struct {
|
|
tp hooks.RendererType
|
|
id any
|
|
f output.Format
|
|
}
|
|
|
|
renderCache := make(map[cacheKey]any)
|
|
var renderCacheMu sync.Mutex
|
|
|
|
resolvePosition := func(ctx any) text.Position {
|
|
var offset int
|
|
|
|
switch v := ctx.(type) {
|
|
case hooks.CodeblockContext:
|
|
offset = bytes.Index(p.p.source.parsed.Input(), []byte(v.Inner()))
|
|
}
|
|
|
|
pos := p.p.posFromInput(p.p.source.parsed.Input(), offset)
|
|
|
|
if pos.LineNumber > 0 {
|
|
// Move up to the code fence delimiter.
|
|
// This is in line with how we report on shortcodes.
|
|
pos.LineNumber = pos.LineNumber - 1
|
|
}
|
|
|
|
return pos
|
|
}
|
|
|
|
p.renderHooks.getRenderer = func(tp hooks.RendererType, id any) any {
|
|
renderCacheMu.Lock()
|
|
defer renderCacheMu.Unlock()
|
|
|
|
key := cacheKey{tp: tp, id: id, f: p.f}
|
|
if r, ok := renderCache[key]; ok {
|
|
return r
|
|
}
|
|
|
|
layoutDescriptor := p.p.getLayoutDescriptor()
|
|
layoutDescriptor.RenderingHook = true
|
|
layoutDescriptor.LayoutOverride = false
|
|
layoutDescriptor.Layout = ""
|
|
|
|
switch tp {
|
|
case hooks.LinkRendererType:
|
|
layoutDescriptor.Kind = "render-link"
|
|
case hooks.ImageRendererType:
|
|
layoutDescriptor.Kind = "render-image"
|
|
case hooks.HeadingRendererType:
|
|
layoutDescriptor.Kind = "render-heading"
|
|
case hooks.CodeBlockRendererType:
|
|
layoutDescriptor.Kind = "render-codeblock"
|
|
if id != nil {
|
|
lang := id.(string)
|
|
lexer := chromalexers.Get(lang)
|
|
if lexer != nil {
|
|
layoutDescriptor.KindVariants = strings.Join(lexer.Config().Aliases, ",")
|
|
} else {
|
|
layoutDescriptor.KindVariants = lang
|
|
}
|
|
}
|
|
}
|
|
|
|
getHookTemplate := func(f output.Format) (tpl.Template, bool) {
|
|
templ, found, err := p.p.s.Tmpl().LookupLayout(layoutDescriptor, f)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return templ, found
|
|
}
|
|
|
|
templ, found1 := getHookTemplate(p.f)
|
|
|
|
if p.p.reusePageOutputContent() {
|
|
// Check if some of the other output formats would give a different template.
|
|
for _, f := range p.p.s.renderFormats {
|
|
if f.Name == p.f.Name {
|
|
continue
|
|
}
|
|
templ2, found2 := getHookTemplate(f)
|
|
if found2 {
|
|
if !found1 {
|
|
templ = templ2
|
|
found1 = true
|
|
break
|
|
}
|
|
|
|
if templ != templ2 {
|
|
p.p.pageOutputTemplateVariationsState.Store(2)
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if !found1 {
|
|
if tp == hooks.CodeBlockRendererType {
|
|
// No user provided tempplate for code blocks, so we use the native Go code version -- which is also faster.
|
|
r := p.p.s.ContentSpec.Converters.GetHighlighter()
|
|
renderCache[key] = r
|
|
return r
|
|
}
|
|
return nil
|
|
}
|
|
|
|
r := hookRendererTemplate{
|
|
templateHandler: p.p.s.Tmpl(),
|
|
SearchProvider: templ.(identity.SearchProvider),
|
|
templ: templ,
|
|
resolvePosition: resolvePosition,
|
|
}
|
|
renderCache[key] = r
|
|
return r
|
|
}
|
|
})
|
|
|
|
return nil
|
|
}
|
|
|
|
func (p *pageContentOutput) setAutoSummary() error {
|
|
if p.p.source.hasSummaryDivider || p.p.m.summary != "" {
|
|
return nil
|
|
}
|
|
|
|
var summary string
|
|
var truncated bool
|
|
|
|
if p.p.m.isCJKLanguage {
|
|
summary, truncated = p.p.s.ContentSpec.TruncateWordsByRune(p.plainWords)
|
|
} else {
|
|
summary, truncated = p.p.s.ContentSpec.TruncateWordsToWholeSentence(p.plain)
|
|
}
|
|
p.summary = template.HTML(summary)
|
|
|
|
p.truncated = truncated
|
|
|
|
return nil
|
|
}
|
|
|
|
func (cp *pageContentOutput) getContentConverter() (converter.Converter, error) {
|
|
if err := cp.initRenderHooks(); err != nil {
|
|
return nil, err
|
|
}
|
|
return cp.p.getContentConverter(), nil
|
|
}
|
|
|
|
func (cp *pageContentOutput) ParseAndRenderContent(ctx context.Context, content []byte, renderTOC bool) (converter.ResultRender, error) {
|
|
c, err := cp.getContentConverter()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return cp.renderContentWithConverter(ctx, c, content, renderTOC)
|
|
}
|
|
|
|
func (cp *pageContentOutput) ParseContent(ctx context.Context, content []byte) (converter.ResultParse, bool, error) {
|
|
c, err := cp.getContentConverter()
|
|
if err != nil {
|
|
return nil, false, err
|
|
}
|
|
p, ok := c.(converter.ParseRenderer)
|
|
if !ok {
|
|
return nil, ok, nil
|
|
}
|
|
rctx := converter.RenderContext{
|
|
Ctx: ctx,
|
|
Src: content,
|
|
RenderTOC: true,
|
|
GetRenderer: cp.renderHooks.getRenderer,
|
|
}
|
|
r, err := p.Parse(rctx)
|
|
return r, ok, err
|
|
|
|
}
|
|
func (cp *pageContentOutput) RenderContent(ctx context.Context, content []byte, doc any) (converter.ResultRender, bool, error) {
|
|
c, err := cp.getContentConverter()
|
|
if err != nil {
|
|
return nil, false, err
|
|
}
|
|
p, ok := c.(converter.ParseRenderer)
|
|
if !ok {
|
|
return nil, ok, nil
|
|
}
|
|
rctx := converter.RenderContext{
|
|
Ctx: ctx,
|
|
Src: content,
|
|
RenderTOC: true,
|
|
GetRenderer: cp.renderHooks.getRenderer,
|
|
}
|
|
r, err := p.Render(rctx, doc)
|
|
if err == nil {
|
|
if ids, ok := r.(identity.IdentitiesProvider); ok {
|
|
for _, v := range ids.GetIdentities() {
|
|
cp.trackDependency(v)
|
|
}
|
|
}
|
|
}
|
|
|
|
return r, ok, err
|
|
}
|
|
|
|
func (cp *pageContentOutput) renderContentWithConverter(ctx context.Context, c converter.Converter, content []byte, renderTOC bool) (converter.ResultRender, error) {
|
|
r, err := c.Convert(
|
|
converter.RenderContext{
|
|
Ctx: ctx,
|
|
Src: content,
|
|
RenderTOC: renderTOC,
|
|
GetRenderer: cp.renderHooks.getRenderer,
|
|
})
|
|
|
|
if err == nil {
|
|
if ids, ok := r.(identity.IdentitiesProvider); ok {
|
|
for _, v := range ids.GetIdentities() {
|
|
cp.trackDependency(v)
|
|
}
|
|
}
|
|
}
|
|
|
|
return r, err
|
|
}
|
|
|
|
func (p *pageContentOutput) setWordCounts(isCJKLanguage bool) {
|
|
if isCJKLanguage {
|
|
p.wordCount = 0
|
|
for _, word := range p.plainWords {
|
|
runeCount := utf8.RuneCountInString(word)
|
|
if len(word) == runeCount {
|
|
p.wordCount++
|
|
} else {
|
|
p.wordCount += runeCount
|
|
}
|
|
}
|
|
} else {
|
|
p.wordCount = helpers.TotalWords(p.plain)
|
|
}
|
|
|
|
// TODO(bep) is set in a test. Fix that.
|
|
if p.fuzzyWordCount == 0 {
|
|
p.fuzzyWordCount = (p.wordCount + 100) / 100 * 100
|
|
}
|
|
|
|
if isCJKLanguage {
|
|
p.readingTime = (p.wordCount + 500) / 501
|
|
} else {
|
|
p.readingTime = (p.wordCount + 212) / 213
|
|
}
|
|
}
|
|
|
|
// A callback to signal that we have inserted a placeholder into the rendered
|
|
// content. This avoids doing extra replacement work.
|
|
func (p *pageContentOutput) enablePlaceholders() {
|
|
p.placeholdersEnabledInit.Do(func() {
|
|
p.placeholdersEnabled = true
|
|
})
|
|
}
|
|
|
|
// these will be shifted out when rendering a given output format.
|
|
type pagePerOutputProviders interface {
|
|
targetPather
|
|
page.PaginatorProvider
|
|
resource.ResourceLinksProvider
|
|
}
|
|
|
|
type targetPather interface {
|
|
targetPaths() page.TargetPaths
|
|
}
|
|
|
|
type targetPathsHolder struct {
|
|
paths page.TargetPaths
|
|
page.OutputFormat
|
|
}
|
|
|
|
func (t targetPathsHolder) targetPaths() page.TargetPaths {
|
|
return t.paths
|
|
}
|
|
|
|
func executeToString(ctx context.Context, h tpl.TemplateHandler, templ tpl.Template, data any) (string, error) {
|
|
b := bp.GetBuffer()
|
|
defer bp.PutBuffer(b)
|
|
if err := h.ExecuteWithContext(ctx, templ, b, data); err != nil {
|
|
return "", err
|
|
}
|
|
return b.String(), nil
|
|
}
|
|
|
|
func splitUserDefinedSummaryAndContent(markup string, c []byte) (summary []byte, content []byte, err error) {
|
|
defer func() {
|
|
if r := recover(); r != nil {
|
|
err = fmt.Errorf("summary split failed: %s", r)
|
|
}
|
|
}()
|
|
|
|
startDivider := bytes.Index(c, internalSummaryDividerBaseBytes)
|
|
|
|
if startDivider == -1 {
|
|
return
|
|
}
|
|
|
|
startTag := "p"
|
|
switch markup {
|
|
case "asciidocext":
|
|
startTag = "div"
|
|
}
|
|
|
|
// Walk back and forward to the surrounding tags.
|
|
start := bytes.LastIndex(c[:startDivider], []byte("<"+startTag))
|
|
end := bytes.Index(c[startDivider:], []byte("</"+startTag))
|
|
|
|
if start == -1 {
|
|
start = startDivider
|
|
} else {
|
|
start = startDivider - (startDivider - start)
|
|
}
|
|
|
|
if end == -1 {
|
|
end = startDivider + len(internalSummaryDividerBase)
|
|
} else {
|
|
end = startDivider + end + len(startTag) + 3
|
|
}
|
|
|
|
var addDiv bool
|
|
|
|
switch markup {
|
|
case "rst":
|
|
addDiv = true
|
|
}
|
|
|
|
withoutDivider := append(c[:start], bytes.Trim(c[end:], "\n")...)
|
|
|
|
if len(withoutDivider) > 0 {
|
|
summary = bytes.TrimSpace(withoutDivider[:start])
|
|
}
|
|
|
|
if addDiv {
|
|
// For the rst
|
|
summary = append(append([]byte(nil), summary...), []byte("</div>")...)
|
|
}
|
|
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
content = bytes.TrimSpace(withoutDivider)
|
|
|
|
return
|
|
}
|