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// Copyright 2019 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package hugolib
import (
"fmt"
"sync"
"sync/atomic"
"github.com/gohugoio/hugo/identity"
"github.com/gohugoio/hugo/resources"
"github.com/gohugoio/hugo/common/maps"
"github.com/gohugoio/hugo/lazy"
"github.com/gohugoio/hugo/resources/kinds"
"github.com/gohugoio/hugo/resources/page"
)
var pageIDCounter atomic.Uint64
func (h *HugoSites) newPage(m *pageMeta) (*pageState, error) {
if m.pathInfo == nil {
if m.f != nil {
m.pathInfo = m.f.FileInfo().Meta().PathInfo
}
if m.pathInfo == nil {
panic(fmt.Sprintf("missing pathInfo in %v", m))
}
}
m.Staler = &resources.AtomicStaler{}
ps, err := func() (*pageState, error) {
if m.s == nil {
// Identify the Site/language to associate this Page with.
var lang string
if m.f != nil {
meta := m.f.FileInfo().Meta()
lang = meta.Lang
m.s = h.Sites[meta.LangIndex]
} else {
lang = m.pathInfo.Lang()
}
var found bool
for _, ss := range h.Sites {
if ss.Lang() == lang {
m.s = ss
found = true
break
}
}
if !found {
return nil, fmt.Errorf("no site found for language %q", lang)
}
}
// Identify Page Kind.
if m.kind == "" {
m.kind = kinds.KindSection
if m.pathInfo.Base() == "/" {
m.kind = kinds.KindHome
} else if m.pathInfo.IsBranchBundle() {
// A section, taxonomy or term.
tc := m.s.pageMap.cfg.getTaxonomyConfig(m.Path())
if !tc.IsZero() {
// Either a taxonomy or a term.
if tc.pluralTreeKey == m.Path() {
m.kind = kinds.KindTaxonomy
} else {
m.kind = kinds.KindTerm
}
}
} else if m.f != nil {
m.kind = kinds.KindPage
}
}
if m.kind == kinds.KindPage && !m.s.conf.IsKindEnabled(m.kind) {
return nil, nil
}
pid := pageIDCounter.Add(1)
// Parse page content.
cachedContent, err := newCachedContent(m, pid)
if err != nil {
return nil, m.wrapError(err)
}
var dependencyManager identity.Manager = identity.NopManager
if m.s.conf.Internal.Watch {
dependencyManager = identity.NewManager(m.Path())
}
ps := &pageState{
pid: pid,
pageOutput: nopPageOutput,
pageOutputTemplateVariationsState: &atomic.Uint32{},
resourcesPublishInit: &sync.Once{},
Staler: m,
dependencyManager: dependencyManager,
pageCommon: &pageCommon{
content: cachedContent,
FileProvider: m,
AuthorProvider: m,
Scratcher: maps.NewScratcher(),
store: maps.NewScratch(),
Positioner: page.NopPage,
InSectionPositioner: page.NopPage,
ResourceNameTitleProvider: m,
ResourceParamsProvider: m,
PageMetaProvider: m,
RelatedKeywordsProvider: m,
OutputFormatsProvider: page.NopPage,
ResourceTypeProvider: pageTypesProvider,
MediaTypeProvider: pageTypesProvider,
RefProvider: page.NopPage,
ShortcodeInfoProvider: page.NopPage,
LanguageProvider: m.s,
InternalDependencies: m.s,
init: lazy.New(),
m: m,
s: m.s,
sWrapped: page.WrapSite(m.s),
},
}
if m.f != nil {
gi, err := m.s.h.gitInfoForPage(ps)
if err != nil {
return nil, fmt.Errorf("failed to load Git data: %w", err)
}
ps.gitInfo = gi
owners, err := m.s.h.codeownersForPage(ps)
if err != nil {
return nil, fmt.Errorf("failed to load CODEOWNERS: %w", err)
}
ps.codeowners = owners
}
ps.pageMenus = &pageMenus{p: ps}
ps.PageMenusProvider = ps.pageMenus
ps.GetPageProvider = pageSiteAdapter{s: m.s, p: ps}
ps.GitInfoProvider = ps
ps.TranslationsProvider = ps
ps.ResourceDataProvider = &pageData{pageState: ps}
ps.RawContentProvider = ps
ps.ChildCareProvider = ps
ps.TreeProvider = pageTree{p: ps}
ps.Eqer = ps
ps.TranslationKeyProvider = ps
ps.ShortcodeInfoProvider = ps
ps.AlternativeOutputFormatsProvider = ps
if err := ps.setMetaPre(); err != nil {
return nil, ps.wrapError(err)
}
if err := ps.initLazyProviders(); err != nil {
return nil, ps.wrapError(err)
}
return ps, nil
}()
// Make sure to evict any cached and now stale data.
if err != nil {
m.MarkStale()
}
return ps, err
}
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