X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/22df49a2bf92302d4c6e25a04e9c7589a93844a9..cade16fbb6df5b1374f28a393ef9bf2b715c143b:/doc/plugins/write.mdwn?ds=inline diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn index 24da94dd5..6d9054389 100644 --- a/doc/plugins/write.mdwn +++ b/doc/plugins/write.mdwn @@ -64,12 +64,25 @@ with the rest of the page. Beyond PreProcessorDirectives, Other types of hooks that can be used by plugins include: +## getopt + + IkiWiki::hook(type => "getopt", id => "foo", call => \&getopt); + +This allows for plugins to perform their own processing of command-line +options and so add options to the ikiwiki command line. It's called during +command line processing, with @ARGV full of any options that ikiwiki was +not able to process on its own. The function should process any options it +can, removing them from @ARGV, and probably recording the configuration +settings in %IkiWiki::config. It should take care not to abort if it sees +an option it cannot process, and should just skip over those options and +leave them in @ARGV. + ## checkconfig IkiWiki::hook(type => "checkconfig", id => "foo", call => \&checkconfig); -This is useful if the plugin needs to check for, or modify ikiwiki's -configuration. It's called early in the ikiwiki startup process. The +This is useful if the plugin needs to check for or modify ikiwiki's +configuration. It's called early in the startup process. The function is passed no values. It's ok for the function to call IkiWiki::error if something isn't configured right. @@ -83,7 +96,7 @@ make arbitrary changes. The function is passed named parameters `page` and ## htmlize - IkiWiki::hook(type => "htmlize", id => "ext", call => \&filter); + IkiWiki::hook(type => "htmlize", id => "ext", call => \&htmlize); Runs on the raw source of a page and turns it into html. The id parameter specifies the filename extension that a file must have to be htmlized using @@ -94,12 +107,13 @@ languages to ikiwiki. IkiWiki::hook(type => "pagetemplate", id => "foo", call => \&pagetemplate); -Each time a page is rendered, a [[template|templates]] is filled out. -This hook allows modifying that template. The function is passed named -parameters. The "page" and "destpage" parameters are the same as for a -preprocess hook. The "template" parameter is a `HTML::Template` object that -is the template that will be used to generate the page. The function -can manipulate that template object. +Each time a page (or part of a blog page, or an rss feed) is rendered, a +[[template|templates]] is filled out. This hook allows modifying that +template. The function is passed named parameters. The "page" and +"destpage" parameters are the same as for a preprocess hook. The "template" +parameter is a `HTML::Template` object that is the template that will be +used to generate the page. The function can manipulate that template +object. The most common thing to do is probably to call $template->param() to add a new custom parameter to the template. Note that in order to be robust, @@ -115,13 +129,23 @@ to set it, as setting a variable that's not present is an error. IkiWiki::hook(type => "sanitize", id => "foo", call => \&sanitize); Use this to implement html sanitization or anything else that needs to -modify the content of a page after it has been fully converted to html. +modify the body of a page after it has been fully converted to html. The function is passed the page content and should return the sanitized content. +## format + + IkiWiki::hook(type => "format", id => "foo", call => \&format); + +The function is passed the complete page content and can reformat it +and return the new 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 header and footer inserted by ikiwiki, the +html document type, etc. + ## delete - IkiWiki::hook(type => "delete", id => "foo", call => \&dele); + IkiWiki::hook(type => "delete", id => "foo", call => \&delete); Each time a page or pages is removed from the wiki, the referenced function is called, and passed the names of the source files that were removed. @@ -143,6 +167,14 @@ called in turn, and passed a CGI object. The hook should examine the parameters, and if it will handle this CGI request, output a page and terminate the program. +## savestate + + IkiWiki::hook(type => "savestate", id => "foo", call => \&savestate); + +This hook is called wheneven ikiwiki normally saves its state, just before +the state is saved. The function can save other state, modify values before +they're saved, etc. + # Wiki configuration A plugin can access the wiki's configuration via the `%IkiWiki::config` @@ -161,23 +193,28 @@ use the following hashes, using a page name as the key: * `%IkiWiki::renderedfiles` contains the name of the file rendered by a page * `%IkiWiki::pagesources` contains the name of the source file for a page. -* `%IkiWiki::depends` contains a [[GlobList]] that is used to specify other +* `%IkiWiki::depends` contains a [[PageSpec]] that is used to specify other pages that a page depends on. If one of its dependencies is updated, the page will also get rebuilt. Many plugins will need to add dependencies to this hash; the best way to do it is by using the IkiWiki::add_depends function, which takes as its - parameters the page name and a [[GlobList]] of dependencies to add. + parameters the page name and a [[PageSpec]] of dependencies to add. +* `%IkiWiki::forcerebuild` any pages set as the keys to this hash will be + treated as if they're modified and rebuilt. # A note on generating html links Many plugins need to generate html links and add them to a page. This is -done by using the htmllink() function in ikiwiki. The usual way to call -htmlllink is: `htmllink($page, $page, $link)` +done by using the `IkiWiki::htmllink` function. The usual way to call +htmlllink is: + + htmllink($page, $page, $link) Why is $page repeated? Because if a page is inlined inside another, and a link is placed on it, the right way to make that link is actually: -`htmllink($page, $destpage, $link)` + + htmllink($page, $destpage, $link) Here $destpage is the inlining page. A destpage parameter is passed to some of the hook functions above; the ones that are not passed it are not used