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hugolib: Redo the summary delimiter logic

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Now that we have a proper page parse tree, this can be greatly simplified.

See #5324
This commit is contained in:
Bjørn Erik Pedersen
2018-10-19 11:30:57 +02:00
parent 1e3e34002d
commit 44da60d869
12 changed files with 75 additions and 142 deletions
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53
hugolib/page.go
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@@ -19,7 +19,6 @@ import (
"errors"
"fmt"
"reflect"
"unicode"
"github.com/gohugoio/hugo/media"
_errors "github.com/pkg/errors"
@@ -706,55 +705,13 @@ func (p *Page) UniqueID() string {
}
// for logging
// TODO(bep) 2errors remove
func (p *Page) lineNumRawContentStart() int {
return bytes.Count(p.frontmatter, []byte("\n")) + 1
}
var (
internalSummaryDivider = []byte("HUGOMORE42")
)
// replaceDivider replaces the <!--more--> with an internal value and returns
// whether the contentis truncated or not.
// Note: The content slice will be modified if needed.
func replaceDivider(content, from, to []byte) ([]byte, bool) {
dividerIdx := bytes.Index(content, from)
if dividerIdx == -1 {
return content, false
}
afterSummary := content[dividerIdx+len(from):]
// If the raw content has nothing but whitespace after the summary
// marker then the page shouldn't be marked as truncated. This check
// is simplest against the raw content because different markup engines
// (rst and asciidoc in particular) add div and p elements after the
// summary marker.
truncated := bytes.IndexFunc(afterSummary, func(r rune) bool { return !unicode.IsSpace(r) }) != -1
content = append(content[:dividerIdx], append(to, afterSummary...)...)
return content, truncated
}
// We have to replace the <!--more--> with something that survives all the
// rendering engines.
func (p *Page) replaceDivider(content []byte) []byte {
summaryDivider := helpers.SummaryDivider
if p.Markup == "org" {
summaryDivider = []byte("# more")
}
replaced, truncated := replaceDivider(content, summaryDivider, internalSummaryDivider)
p.truncated = truncated
return replaced
}
// Returns the page as summary and main if a user defined split is provided.
func (p *Page) setUserDefinedSummaryIfProvided(rawContentCopy []byte) (*summaryContent, error) {
// Returns the page as summary and main.
func (p *Page) setUserDefinedSummary(rawContentCopy []byte) (*summaryContent, error) {
sc, err := splitUserDefinedSummaryAndContent(p.Markup, rawContentCopy)
@@ -1288,10 +1245,10 @@ func (p *Page) prepareForRender() error {
return err
}
if p.Markup != "html" {
if p.Markup != "html" && p.source.hasSummaryDivider {
// Now we know enough to create a summary of the page and count some words
summaryContent, err := p.setUserDefinedSummaryIfProvided(workContentCopy)
summaryContent, err := p.setUserDefinedSummary(workContentCopy)
if err != nil {
s.Log.ERROR.Printf("Failed to set user defined summary for page %q: %s", p.Path(), err)