search: generate configuration files once only when rebuilding (Gabriel McManus)

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

diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index 410d49aaf9ee09fd044b877c84730e5ecbac193a..5def4c67967165f927ae696954c254e72f49221d 100644 (file)
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -148,7 +148,8 @@ htmlize the page) along with the rest of the page.
 
 This hook is called to convert [[WikiLinks|WikiLink]] on the page into html
 links. The function is passed named parameters "page", "destpage", and
 
 This hook is called to convert [[WikiLinks|WikiLink]] on the page into html
 links. The function is passed named parameters "page", "destpage", and

-"content". It should return the linkified content.
+"content". It should return the linkified content.  Present in IkiWiki 2.40
+and later.

 
 Plugins that implement linkify must also implement a scan hook, that scans
 for the links on the page and adds them to `%links`.
 
 Plugins that implement linkify must also implement a scan hook, that scans
 for the links on the page and adds them to `%links`.


@@ -160,6 +161,7 @@ for the links on the page and adds them to `%links`.
 This hook is called early in the process of building the wiki, and is used
 as a first pass scan of the page, to collect metadata about the page. It's
 mostly used to scan the page for WikiLinks, and add them to `%links`.
 This hook is called early in the process of building the wiki, and is used
 as a first pass scan of the page, to collect metadata about the page. It's
 mostly used to scan the page for WikiLinks, and add them to `%links`.

+Present in IkiWiki 2.40 and later.

 
 The function is passed named parameters "page" and "content". Its return
 value is ignored.
 
 The function is passed named parameters "page" and "content". Its return
 value is ignored.


@@ -209,8 +211,8 @@ want to change the default ("page.tmpl"). Template files are looked for in
 Use this to implement html sanitization or anything else that needs to
 modify the body of a page after it has been fully converted to html.
 
 Use this to implement html sanitization or anything else that needs to
 modify the body of a page after it has been fully converted to html.
 

-The function is passed named parameters: "page" and "content", and 
-should return the sanitized content.
+The function is passed named parameters: "page", "destpage", and "content",
+and should return the sanitized content.

 
 ### format
 
 
 ### format
 


@@ -218,7 +220,9 @@ should return the sanitized content.
 
 The difference between format and sanitize is that sanitize only acts on
 the page body, while format can modify the entire html page including the
 
 The difference between format and sanitize is that sanitize only acts on
 the page body, while format can modify the entire html page including the

-header and footer inserted by ikiwiki, the html document type, etc.
+header and footer inserted by ikiwiki, the html document type, etc. (It
+should not rely on always being passed the entire page, as it won't be
+when the page is being previewed.)

 
 The function is passed named parameters: "page" and "content", and 
 should return the formatted content.
 
 The function is passed named parameters: "page" and "content", and 
 should return the formatted content.


@@ -359,10 +363,11 @@ next time ikiwiki is run. The hash holds per-page state, so to set a value,
 use `%pagestate{$page}{$id}{$key}=$value`, and to retrieve the value,
 use `%pagestate{$page}{$id}{$key}`.
 
 use `%pagestate{$page}{$id}{$key}=$value`, and to retrieve the value,
 use `%pagestate{$page}{$id}{$key}`.
 

-`$key` can be any string you like, but `$id` must be the same as the "id"
-parameter passed to `hook()` when registering the plugin. This is so
-ikiwiki can know when to delete pagestate for plugins that are no longer
-used.
+The `$value` can be anything that perl's Storable module is capable of
+serializing. `$key` can be any string you like, but `$id` must be the same
+as the "id" parameter passed to `hook()` when registering the plugin. This
+is so ikiwiki can know when to delete pagestate for plugins that are no
+longer used.

 
 When pages are deleted, ikiwiki automatically deletes their pagestate too.
 
 
 When pages are deleted, ikiwiki automatically deletes their pagestate too.
 


@@ -512,7 +517,7 @@ version of the file. In particular, in preview mode, this should still be
 called even if the file isn't going to be written to during the preview.
 
 Ikiwiki uses this information to automatically clean up rendered files when
 called even if the file isn't going to be written to during the preview.
 
 Ikiwiki uses this information to automatically clean up rendered files when

-the page that rendered them goes away or is changes to no longer render
+the page that rendered them goes away or is changed to no longer render

 them. will_render also does a few important security checks.
 
 #### `pagetype($)`
 them. will_render also does a few important security checks.
 
 #### `pagetype($)`


@@ -525,12 +530,16 @@ 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.
 
 Given the name of a source file, returns the name of the wiki page
 that corresponds to that file.
 

-#### `srcfile($)`
+#### `srcfile($;$)`

 
 Given the name of a source file in the wiki, searches for the file in
 the source directory and the underlay directories (most recently added
 underlays first), and returns the full path to the first file found.
 
 
 Given the name of a source file in the wiki, searches for the file in
 the source directory and the underlay directories (most recently added
 underlays first), and returns the full path to the first file found.
 

+Normally srcfile will fail with an error message if the source file cannot
+be found. The second parameter can be set to a true value to make it return
+undef instead.
+

 #### `add_underlay($)`
 
 Adds a directory to the set of underlay directories that ikiwiki will
 #### `add_underlay($)`
 
 Adds a directory to the set of underlay directories that ikiwiki will