mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-27 04:00:49 +00:00
91ef9655aa
It was removed in 597e418cb0 -- it's not documented, but it's used in too many real sites on the web.
See #5784
117 lines
2.5 KiB
Go
117 lines
2.5 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hugolib
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import (
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"github.com/gohugoio/hugo/common/types"
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"github.com/gohugoio/hugo/helpers"
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"github.com/gohugoio/hugo/resources/page"
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)
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type pageTree struct {
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p *pageState
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}
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func (pt pageTree) IsAncestor(other interface{}) (bool, error) {
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if pt.p == nil {
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return false, nil
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}
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pp, err := unwrapPage(other)
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if err != nil || pp == nil {
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return false, err
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}
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if pt.p.Kind() == page.KindPage && len(pt.p.SectionsEntries()) == len(pp.SectionsEntries()) {
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// A regular page is never its section's ancestor.
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return false, nil
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}
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return helpers.HasStringsPrefix(pp.SectionsEntries(), pt.p.SectionsEntries()), nil
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}
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func (pt pageTree) CurrentSection() page.Page {
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p := pt.p
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if p.IsHome() || p.IsSection() {
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return p
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}
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return p.Parent()
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}
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func (pt pageTree) IsDescendant(other interface{}) (bool, error) {
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if pt.p == nil {
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return false, nil
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}
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pp, err := unwrapPage(other)
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if err != nil || pp == nil {
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return false, err
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}
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if pp.Kind() == page.KindPage && len(pt.p.SectionsEntries()) == len(pp.SectionsEntries()) {
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// A regular page is never its section's descendant.
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return false, nil
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}
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return helpers.HasStringsPrefix(pt.p.SectionsEntries(), pp.SectionsEntries()), nil
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}
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func (pt pageTree) FirstSection() page.Page {
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p := pt.p
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parent := p.Parent()
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if types.IsNil(parent) || parent.IsHome() {
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return p
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}
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for {
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current := parent
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parent = parent.Parent()
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if types.IsNil(parent) || parent.IsHome() {
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return current
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}
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}
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}
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func (pt pageTree) InSection(other interface{}) (bool, error) {
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if pt.p == nil || types.IsNil(other) {
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return false, nil
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}
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pp, err := unwrapPage(other)
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if err != nil {
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return false, err
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}
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if pp == nil {
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return false, nil
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}
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return pp.CurrentSection().Eq(pt.p.CurrentSection()), nil
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}
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func (pt pageTree) Page() page.Page {
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return pt.p
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}
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func (pt pageTree) Parent() page.Page {
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return pt.p.parent
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}
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func (pt pageTree) Sections() page.Pages {
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return pt.p.subSections
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}
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