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[ikiwiki.git] / doc / plugins / write.mdwn

diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index 349a8a1ed3048915918426b1cd7555f82e88acd8..1b78f5900b2de71ee10c4a4bd94f17c8c6d62bf1 100644 (file)
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -467,6 +467,15 @@ When pages are deleted, ikiwiki automatically deletes their pagestate too.
 Note that page state does not persist across wiki rebuilds, only across
 wiki updates.
 
+### %wikistate
+
+The `%wikistate` hash can be used by a plugin to store persistant state
+that is not bound to any one page. To set a value, use
+`$wikistate{$id}{$key}=$value, where `$value` is anything Storable can
+serialize, `$key` is any string you like, and `$id` must be the same as the
+"id" parameter passed to `hook()` when registering the plugin, so that the
+state can be dropped if the plugin is no longer used.
+
 ### Other variables
 
 If your plugin needs to access data about other pages in the wiki. It can
@@ -522,6 +531,9 @@ parameters are passed to `HTML::Template->new`.
 Passed a page name, returns the base name that will be used for a the html
 page created from it. (Ie, it appends ".html".)
 
+Use this when constructing the filename of a html file. Use `urlto` when
+generating a link to a page.
+
 #### `add_depends($$)`
 
 Makes the specified page depend on the specified [[ikiwiki/PageSpec]].
@@ -624,6 +636,23 @@ a type that ikiwiki knowns how to htmlize. Otherwise, returns undef.
 Given the name of a source file, returns the name of the wiki page
 that corresponds to that file.
 
+#### `pagetitle($)`
+
+Give the name of a wiki page, returns a version suitable to be displayed as
+the page's title. This is accomplished by de-escaping escaped characters in
+the page name. "_" is replaced with a space, and '__NN__' is replaced by 
+the UTF character with code NN.
+
+#### `titlepage($)`
+
+This performs the inverse of `pagetitle`, ie, it converts a page title into
+a wiki page name.
+
+#### `linkpage($)`
+
+This converts text that could have been entered by the user as a
+[[WikiLink]] into a wiki page name.
+
 #### `srcfile($;$)`
 
 Given the name of a source file in the wiki, searches for the file in
@@ -662,6 +691,12 @@ destination file, as registered by `will_render`.
 If the third parameter is passed and is true, an absolute url will be
 constructed instead of the default relative url.
 
+#### `newpagefile($$)`
+
+This can be called when creating a new page, to determine what filename
+to save the page to. It's passed a page name, and its type, and returns
+the name of the file to create, relative to the srcdir.
+
 #### `targetpage($$)`
 
 Passed a page and an extension, returns the filename that page will be