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https://github.com/gohugoio/hugo.git
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e625088ef5
This commit also * revises the change detection for templates used by content files in server mode. * Adds a Page.RenderString method Fixes #6545 Fixes #4663 Closes #6043
134 lines
3.4 KiB
Go
134 lines
3.4 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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"fmt"
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"github.com/gohugoio/hugo/output"
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"github.com/gohugoio/hugo/parser/pageparser"
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)
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var (
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internalSummaryDividerBase = "HUGOMORE42"
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internalSummaryDividerBaseBytes = []byte(internalSummaryDividerBase)
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internalSummaryDividerPre = []byte("\n\n" + internalSummaryDividerBase + "\n\n")
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)
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// The content related items on a Page.
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type pageContent struct {
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renderable bool
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selfLayout string
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truncated bool
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cmap *pageContentMap
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shortcodeState *shortcodeHandler
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source rawPageContent
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}
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// returns the content to be processed by Blackfriday or similar.
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func (p pageContent) contentToRender(renderedShortcodes map[string]string) []byte {
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source := p.source.parsed.Input()
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c := make([]byte, 0, len(source)+(len(source)/10))
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for _, it := range 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)]...)
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case pageContentReplacement:
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c = append(c, v.val...)
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case *shortcode:
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if !p.renderable || !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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c = append(c, []byte(renderedShortcode)...)
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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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return c
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}
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func (p pageContent) selfLayoutForOutput(f output.Format) string {
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if p.selfLayout == "" {
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return ""
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}
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return p.selfLayout + f.Name
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}
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type rawPageContent struct {
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hasSummaryDivider bool
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// The AST of the parsed page. Contains information about:
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// shortcodes, front matter, summary indicators.
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parsed pageparser.Result
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// Returns the position in bytes after any front matter.
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posMainContent int
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// These are set if we're able to determine this from the source.
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posSummaryEnd int
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posBodyStart int
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}
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type pageContentReplacement struct {
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val []byte
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source pageparser.Item
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}
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type pageContentMap struct {
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// If not, we can skip any pre-rendering of shortcodes.
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hasMarkdownShortcode bool
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// Indicates whether we must do placeholder replacements.
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hasNonMarkdownShortcode bool
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// *shortcode, pageContentReplacement or pageparser.Item
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items []interface{}
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}
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func (p *pageContentMap) AddBytes(item pageparser.Item) {
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p.items = append(p.items, item)
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}
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func (p *pageContentMap) AddReplacement(val []byte, source pageparser.Item) {
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p.items = append(p.items, pageContentReplacement{val: val, source: source})
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}
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func (p *pageContentMap) AddShortcode(s *shortcode) {
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p.items = append(p.items, s)
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if s.insertPlaceholder() {
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p.hasNonMarkdownShortcode = true
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} else {
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p.hasMarkdownShortcode = true
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}
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}
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