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output: Support templates per site/language

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This applies to both regular templates and shortcodes. So, if the site language is French and the output format is AMP, this is the (start) of the lookup order for the home page:

1. index.fr.amp.html
2. index.amp.html
3. index.fr.html
4. index.html
5. ...

Fixes #3360
This commit is contained in:
Bjørn Erik Pedersen
2017-07-02 10:46:28 +02:00
parent a1d260b41a
commit aa6b1b9be7
7 changed files with 110 additions and 41 deletions
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21
hugolib/shortcode.go
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@@ -157,6 +157,7 @@ func (sc shortcode) String() string {
// Note that in the below, OutputFormat may be empty.
// We will try to look for the most specific shortcode template available.
type scKey struct {
Lang string
OutputFormat string
Suffix string
ShortcodePlaceholder string
@@ -166,8 +167,8 @@ func newScKey(m media.Type, shortcodeplaceholder string) scKey {
return scKey{Suffix: m.Suffix, ShortcodePlaceholder: shortcodeplaceholder}
}
func newScKeyFromOutputFormat(o output.Format, shortcodeplaceholder string) scKey {
return scKey{Suffix: o.MediaType.Suffix, OutputFormat: o.Name, ShortcodePlaceholder: shortcodeplaceholder}
func newScKeyFromLangAndOutputFormat(lang string, o output.Format, shortcodeplaceholder string) scKey {
return scKey{Lang: lang, Suffix: o.MediaType.Suffix, OutputFormat: o.Name, ShortcodePlaceholder: shortcodeplaceholder}
}
func newDefaultScKey(shortcodeplaceholder string) scKey {
@@ -251,10 +252,11 @@ const innerCleanupExpand = "$1"
func prepareShortcodeForPage(placeholder string, sc shortcode, parent *ShortcodeWithPage, p *Page) map[scKey]func() (string, error) {
m := make(map[scKey]func() (string, error))
lang := p.Lang()
for _, f := range p.outputFormats {
// The most specific template will win.
key := newScKeyFromOutputFormat(f, placeholder)
key := newScKeyFromLangAndOutputFormat(lang, f, placeholder)
m[key] = func() (string, error) {
return renderShortcode(key, sc, nil, p), nil
}
@@ -371,9 +373,11 @@ func (s *shortcodeHandler) updateDelta() bool {
func (s *shortcodeHandler) contentShortcodesForOutputFormat(f output.Format) map[scKey]func() (string, error) {
contentShortcodesForOuputFormat := make(map[scKey]func() (string, error))
lang := s.p.Lang()
for shortcodePlaceholder := range s.shortcodes {
key := newScKeyFromOutputFormat(f, shortcodePlaceholder)
key := newScKeyFromLangAndOutputFormat(lang, f, shortcodePlaceholder)
renderFn, found := s.contentShortcodes[key]
if !found {
@@ -390,7 +394,7 @@ func (s *shortcodeHandler) contentShortcodesForOutputFormat(f output.Format) map
if !found {
panic(fmt.Sprintf("Shortcode %q could not be found", shortcodePlaceholder))
}
contentShortcodesForOuputFormat[newScKeyFromOutputFormat(f, shortcodePlaceholder)] = renderFn
contentShortcodesForOuputFormat[newScKeyFromLangAndOutputFormat(lang, f, shortcodePlaceholder)] = renderFn
}
return contentShortcodesForOuputFormat
@@ -676,12 +680,19 @@ func getShortcodeTemplateForTemplateKey(key scKey, shortcodeName string, t tpl.T
suffix := strings.ToLower(key.Suffix)
outFormat := strings.ToLower(key.OutputFormat)
lang := strings.ToLower(key.Lang)
if outFormat != "" && suffix != "" {
if lang != "" {
names = append(names, fmt.Sprintf("%s.%s.%s.%s", shortcodeName, lang, outFormat, suffix))
}
names = append(names, fmt.Sprintf("%s.%s.%s", shortcodeName, outFormat, suffix))
}
if suffix != "" {
if lang != "" {
names = append(names, fmt.Sprintf("%s.%s.%s", shortcodeName, lang, suffix))
}
names = append(names, fmt.Sprintf("%s.%s", shortcodeName, suffix))
}