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// Copyright 2015 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 (
"github.com/spf13/cast"
"html/template"
"sync"
"time"
)
type Node struct {
RSSLink template.HTML
Site *SiteInfo `json:"-"`
// layout string
Data map[string]interface{}
Title string
Description string
Keywords []string
Params map[string]interface{}
Date time.Time
Lastmod time.Time
Sitemap Sitemap
URLPath
IsHome bool
paginator *Pager
paginatorInit sync.Once
scratch *Scratch
}
func (n *Node) Now() time.Time {
return time.Now()
}
func (n *Node) HasMenuCurrent(menuID string, inme *MenuEntry) bool {
if inme.HasChildren() {
me := MenuEntry{Name: n.Title, URL: n.URL}
for _, child := range inme.Children {
if me.IsSameResource(child) {
return true
}
if n.HasMenuCurrent(menuID, child) {
return true
}
}
}
return false
}
func (n *Node) IsMenuCurrent(menuID string, inme *MenuEntry) bool {
me := MenuEntry{Name: n.Title, URL: n.Site.createNodeMenuEntryURL(n.URL)}
if !me.IsSameResource(inme) {
return false
}
// this resource may be included in several menus
// search for it to make sure that it is in the menu with the given menuId
if menu, ok := (*n.Site.Menus)[menuID]; ok {
for _, menuEntry := range *menu {
if menuEntry.IsSameResource(inme) {
return true
}
descendantFound := n.isSameAsDescendantMenu(inme, menuEntry)
if descendantFound {
return descendantFound
}
}
}
return false
}
// Param is a convenience method to do lookups in Site's Params map.
//
// This method is also implemented on Page.
func (n *Node) Param(key interface{}) (interface{}, error) {
keyStr, err := cast.ToStringE(key)
if err != nil {
return nil, err
}
return n.Site.Params[keyStr], err
}
func (n *Node) Hugo() *HugoInfo {
return hugoInfo
}
func (n *Node) isSameAsDescendantMenu(inme *MenuEntry, parent *MenuEntry) bool {
if parent.HasChildren() {
for _, child := range parent.Children {
if child.IsSameResource(inme) {
return true
}
descendantFound := n.isSameAsDescendantMenu(inme, child)
if descendantFound {
return descendantFound
}
}
}
return false
}
func (n *Node) RSSlink() template.HTML {
return n.RSSLink
}
func (n *Node) IsNode() bool {
return true
}
func (n *Node) IsPage() bool {
return !n.IsNode()
}
func (n *Node) Ref(ref string) (string, error) {
return n.Site.Ref(ref, nil)
}
func (n *Node) RelRef(ref string) (string, error) {
return n.Site.RelRef(ref, nil)
}
type URLPath struct {
URL string
Permalink string
Slug string
Section string
}
// Scratch returns the writable context associated with this Node.
func (n *Node) Scratch() *Scratch {
if n.scratch == nil {
n.scratch = newScratch()
}
return n.scratch
}
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