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- `.Ref` and `.RelRef` take a reference (the logical filename for a
page, including extension and/or a document fragment ID) and return
a permalink (or relative permalink) to the referenced document.
- If the reference is a page name (such as `about.md`), the page
will be discovered and the permalink will be returned: `/about/`
- If the reference is a page name with a fragment (such as
`about.md#who`), the page will be discovered and used to add the
`page.UniqueID()` to the resulting fragment and permalink:
`/about/#who:deadbeef`.
- If the reference is a fragment and `.*Ref` has been called from
a `Node` or `SiteInfo`, it will be returned as is: `#who`.
- If the reference is a fragment and `.*Ref` has been called from
a `Page`, it will be returned with the page’s unique ID:
`#who:deadbeef`.
- `.*Ref` can be called from either `Node`, `SiteInfo` (e.g.,
`Node.Site`), `Page` objects, or `ShortcodeWithPage` objects in
templates.
- `.*Ref` cannot be used in content, so two shortcodes have been
created to provide the functionality to content: `ref` and `relref`.
These are intended to be used within markup, like `[Who]({{% ref
about.md#who %}})` or `<a href="{{% ref about.md#who %}}">Who</a>`.
- There are also `ref` and `relref` template functions (used to create
the shortcodes) that expect a `Page` or `Node` object and the
reference string (e.g., `{{ relref . "about.md" }}` or `{{
"about.md" | ref . }}`). It actually looks for `.*Ref` as defined on
`Node` or `Page` objects.
- Shortcode handling had to use a *differently unique* wrapper in
`createShortcodePlaceholder` because of the way that the `ref` and
`relref` are intended to be used in content.
120 lines
2.6 KiB
Go
120 lines
2.6 KiB
Go
// Copyright © 2013-14 Steve Francia <spf@spf13.com>.
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//
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// Licensed under the Simple Public 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://opensource.org/licenses/Simple-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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"html/template"
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"time"
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)
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type Node struct {
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RSSLink template.HTML
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Site *SiteInfo
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// layout string
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Data map[string]interface{}
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Title string
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Description string
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Keywords []string
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Params map[string]interface{}
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Date time.Time
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Sitemap Sitemap
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UrlPath
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}
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func (n *Node) Now() time.Time {
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return time.Now()
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}
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func (n *Node) HasMenuCurrent(menuId string, inme *MenuEntry) bool {
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if inme.HasChildren() {
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me := MenuEntry{Name: n.Title, Url: string(n.Permalink)}
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for _, child := range inme.Children {
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if me.IsSameResource(child) {
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return true
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}
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}
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}
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return false
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}
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func (n *Node) IsMenuCurrent(menuId string, inme *MenuEntry) bool {
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me := MenuEntry{Name: n.Title, Url: string(n.Permalink)}
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if !me.IsSameResource(inme) {
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return false
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}
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// this resource may be included in several menus
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// search for it to make sure that it is in the menu with the given menuId
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if menu, ok := (*n.Site.Menus)[menuId]; ok {
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for _, menuEntry := range *menu {
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if menuEntry.IsSameResource(inme) {
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return true
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}
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descendantFound := n.isSameAsDescendantMenu(inme, menuEntry)
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if descendantFound {
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return descendantFound
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}
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}
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}
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return false
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}
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func (n *Node) isSameAsDescendantMenu(inme *MenuEntry, parent *MenuEntry) bool {
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if parent.HasChildren() {
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for _, child := range parent.Children {
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if child.IsSameResource(inme) {
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return true
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}
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descendantFound := n.isSameAsDescendantMenu(inme, child)
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if descendantFound {
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return descendantFound
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}
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}
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}
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return false
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}
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func (n *Node) RSSlink() template.HTML {
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return n.RSSLink
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}
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func (n *Node) IsNode() bool {
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return true
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}
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func (n *Node) IsPage() bool {
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return !n.IsNode()
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}
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func (n *Node) Ref(ref string) (string, error) {
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return n.Site.Ref(ref, nil)
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}
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func (n *Node) RelRef(ref string) (string, error) {
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return n.Site.RelRef(ref, nil)
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}
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type UrlPath struct {
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Url string
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Permalink template.HTML
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Slug string
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Section string
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}
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