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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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86
output/layout.go
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@@ -26,6 +26,7 @@ type LayoutDescriptor struct {
Type string
Section string
Kind string
Lang string
Layout string
}
@@ -55,31 +56,33 @@ func NewLayoutHandler(hasTheme bool) *LayoutHandler {
const (
// The RSS templates doesn't map easily into the regular pages.
layoutsRSSHome = `NAME.SUFFIX _default/NAME.SUFFIX _internal/_default/rss.xml`
layoutsRSSSection = `section/SECTION.NAME.SUFFIX _default/NAME.SUFFIX NAME.SUFFIX _internal/_default/rss.xml`
layoutsRSSTaxonomy = `taxonomy/SECTION.NAME.SUFFIX _default/NAME.SUFFIX NAME.SUFFIX _internal/_default/rss.xml`
layoutsRSSTaxonomyTerm = `taxonomy/SECTION.terms.NAME.SUFFIX _default/NAME.SUFFIX NAME.SUFFIX _internal/_default/rss.xml`
// TODO(bep) variations reduce to 1 "."
layoutsHome = "index.NAME.SUFFIX index.SUFFIX _default/list.NAME.SUFFIX _default/list.SUFFIX"
// The RSS templates doesn't map easily into the regular pages.
layoutsRSSHome = `VARIATIONS _default/VARIATIONS _internal/_default/rss.xml`
layoutsRSSSection = `section/SECTION.VARIATIONS _default/VARIATIONS VARIATIONS _internal/_default/rss.xml`
layoutsRSSTaxonomy = `taxonomy/SECTION.VARIATIONS _default/VARIATIONS VARIATIONS _internal/_default/rss.xml`
layoutsRSSTaxonomyTerm = `taxonomy/SECTION.terms.VARIATIONS _default/VARIATIONS VARIATIONS _internal/_default/rss.xml`
layoutsHome = "index.VARIATIONS _default/list.VARIATIONS"
layoutsSection = `
section/SECTION.NAME.SUFFIX section/SECTION.SUFFIX
SECTION/list.NAME.SUFFIX SECTION/list.SUFFIX
_default/section.NAME.SUFFIX _default/section.SUFFIX
_default/list.NAME.SUFFIX _default/list.SUFFIX
indexes/SECTION.NAME.SUFFIX indexes/SECTION.SUFFIX
_default/indexes.NAME.SUFFIX _default/indexes.SUFFIX
section/SECTION.VARIATIONS
SECTION/list.VARIATIONS
_default/section.VARIATIONS
_default/list.VARIATIONS
indexes/SECTION.VARIATIONS
_default/indexes.VARIATIONS
`
layoutsTaxonomy = `
taxonomy/SECTION.NAME.SUFFIX taxonomy/SECTION.SUFFIX
indexes/SECTION.NAME.SUFFIX indexes/SECTION.SUFFIX
_default/taxonomy.NAME.SUFFIX _default/taxonomy.SUFFIX
_default/list.NAME.SUFFIX _default/list.SUFFIX
taxonomy/SECTION.VARIATIONS
indexes/SECTION.VARIATIONS
_default/taxonomy.VARIATIONS
_default/list.VARIATIONS
`
layoutsTaxonomyTerm = `
taxonomy/SECTION.terms.NAME.SUFFIX taxonomy/SECTION.terms.SUFFIX
_default/terms.NAME.SUFFIX _default/terms.SUFFIX
indexes/indexes.NAME.SUFFIX indexes/indexes.SUFFIX
taxonomy/SECTION.terms.VARIATIONS
_default/terms.VARIATIONS
indexes/indexes.VARIATIONS
`
)
@@ -185,14 +188,41 @@ func resolveListTemplate(d LayoutDescriptor, f Format,
}
func resolveTemplate(templ string, d LayoutDescriptor, f Format) []string {
delim := "."
if f.MediaType.Delimiter == "" {
delim = ""
// VARIATIONS will be replaced with
// .lang.name.suffix
// .name.suffix
// .lang.suffix
// .suffix
var replacementValues []string
name := strings.ToLower(f.Name)
if d.Lang != "" {
replacementValues = append(replacementValues, fmt.Sprintf("%s.%s.%s", d.Lang, name, f.MediaType.Suffix))
}
replacementValues = append(replacementValues, fmt.Sprintf("%s.%s", name, f.MediaType.Suffix))
if d.Lang != "" {
replacementValues = append(replacementValues, fmt.Sprintf("%s.%s", d.Lang, f.MediaType.Suffix))
}
isRSS := f.Name == RSSFormat.Name
if !isRSS {
replacementValues = append(replacementValues, f.MediaType.Suffix)
}
var layouts []string
templFields := strings.Fields(templ)
for _, field := range templFields {
for _, replacements := range replacementValues {
layouts = append(layouts, replaceKeyValues(field, "VARIATIONS", replacements, "SECTION", d.Section))
}
}
layouts := strings.Fields(replaceKeyValues(templ,
".SUFFIX", delim+f.MediaType.Suffix,
"NAME", strings.ToLower(f.Name),
"SECTION", d.Section))
return filterDotLess(layouts)
}
@@ -201,9 +231,7 @@ func filterDotLess(layouts []string) []string {
var filteredLayouts []string
for _, l := range layouts {
// This may be constructed, but media types can be suffix-less, but can contain
// a delimiter.
l = strings.TrimSuffix(l, ".")
l = strings.Trim(l, ".")
// If media type has no suffix, we have "index" type of layouts in this list, which
// doesn't make much sense.
if strings.Contains(l, ".") {