mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-23 18:31:44 +00:00
108 lines
2.5 KiB
Go
108 lines
2.5 KiB
Go
// 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 (
|
|
"sync"
|
|
|
|
"github.com/gohugoio/hugo/resources/page"
|
|
)
|
|
|
|
func newPagePaginator(source *pageState) *pagePaginator {
|
|
return &pagePaginator{
|
|
source: source,
|
|
pagePaginatorInit: &pagePaginatorInit{},
|
|
}
|
|
}
|
|
|
|
type pagePaginator struct {
|
|
*pagePaginatorInit
|
|
source *pageState
|
|
}
|
|
|
|
type pagePaginatorInit struct {
|
|
init sync.Once
|
|
current *page.Pager
|
|
}
|
|
|
|
// reset resets the paginator to allow for a rebuild.
|
|
func (p *pagePaginator) reset() {
|
|
p.pagePaginatorInit = &pagePaginatorInit{}
|
|
}
|
|
|
|
func (p *pagePaginator) Paginate(seq interface{}, options ...interface{}) (*page.Pager, error) {
|
|
var initErr error
|
|
p.init.Do(func() {
|
|
pagerSize, err := page.ResolvePagerSize(p.source.s.Cfg, options...)
|
|
if err != nil {
|
|
initErr = err
|
|
return
|
|
}
|
|
|
|
pd := p.source.targetPathDescriptor
|
|
pd.Type = p.source.outputFormat()
|
|
paginator, err := page.Paginate(pd, seq, pagerSize)
|
|
if err != nil {
|
|
initErr = err
|
|
return
|
|
}
|
|
|
|
p.current = paginator.Pagers()[0]
|
|
|
|
})
|
|
|
|
if initErr != nil {
|
|
return nil, initErr
|
|
}
|
|
|
|
return p.current, nil
|
|
}
|
|
|
|
func (p *pagePaginator) Paginator(options ...interface{}) (*page.Pager, error) {
|
|
var initErr error
|
|
p.init.Do(func() {
|
|
pagerSize, err := page.ResolvePagerSize(p.source.s.Cfg, options...)
|
|
if err != nil {
|
|
initErr = err
|
|
return
|
|
}
|
|
|
|
pd := p.source.targetPathDescriptor
|
|
pd.Type = p.source.outputFormat()
|
|
|
|
var pages page.Pages
|
|
if p.source.IsHome() {
|
|
// From Hugo 0.57 we made home.Pages() work like any other
|
|
// section. To avoid the default paginators for the home page
|
|
// changing in the wild, we make this a special case.
|
|
pages = p.source.s.RegularPages()
|
|
} else {
|
|
pages = p.source.RegularPages()
|
|
}
|
|
paginator, err := page.Paginate(pd, pages, pagerSize)
|
|
if err != nil {
|
|
initErr = err
|
|
return
|
|
}
|
|
|
|
p.current = paginator.Pagers()[0]
|
|
|
|
})
|
|
|
|
if initErr != nil {
|
|
return nil, initErr
|
|
}
|
|
|
|
return p.current, nil
|
|
}
|