X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/8a56df576a9d7d184a5233bcde8ea07eee86dd60..a6c3d71787c528888c3f66c7ded8dd0c8f430b7e:/doc/plugins/write.mdwn?ds=inline diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn index 9128c7f54..6b751f0cd 100644 --- a/doc/plugins/write.mdwn +++ b/doc/plugins/write.mdwn @@ -39,7 +39,7 @@ built. Now that it knows what pages it needs to build, ikiwiki runs two compile passes. First, it runs `scan` hooks, which collect metadata about the pages. Then it runs a page rendering pipeline, by calling in turn these -hooks: `filter`, `preprocess`, `linkify`, `htmlize`, `postscan`, +hooks: `filter`, `preprocess`, `linkify`, `htmlize`, `indexhtml`, `pagetemplate`, `sanitize`, `format`. After all necessary pages are built, it calls the `change` hook. Finally, @@ -177,10 +177,15 @@ function is passed no values. hook(type => "needsbuild", id => "foo", call => \&needsbuild); -This allows a plugin to manipulate the list of files that need to be -built when the wiki is refreshed. The function is passed a reference to an -array of files that will be rebuilt, and can modify the array, either -adding or removing files from it. +This allows a plugin to observe or even manipulate the list of files that +need to be built when the wiki is refreshed. + +As its first parameter, the function is passed a reference to an array of +files that will be built. It should return an array reference that is a +modified version of its input. It can add or remove files from it. + +The second parameter passed to the function is a reference to an array of +files that have been deleted. ### scan @@ -198,8 +203,8 @@ value is ignored. hook(type => "filter", id => "foo", call => \&filter); -Runs on the raw source of a page, before anything else touches it, and can -make arbitrary changes. The function is passed named parameters "page", +Runs on the full raw source of a page, before anything else touches it, and +can make arbitrary changes. The function is passed named parameters "page", "destpage", and "content". It should return the filtered content. ### preprocess @@ -282,16 +287,16 @@ like `Makefile` that have no extension. If `hook` is passed an optional "longname" parameter, this value is used when prompting a user to choose a page type on the edit page form. -### postscan +### indexhtml - hook(type => "postscan", id => "foo", call => \&postscan); + hook(type => "indexhtml", id => "foo", call => \&indexhtml); This hook is called once the page has been converted to html (but before the generated html is put in a template). The most common use is to update search indexes. Added in ikiwiki 2.54. -The function is passed named parameters "page" and "content". Its return -value is ignored. +The function is passed named parameters "page", "destpage", and "content". +Its return value is ignored. ### pagetemplate @@ -319,6 +324,15 @@ should return the name of the template file to use (relative to the template directory), or undef if it doesn't want to change the default ("page.tmpl"). +### pageactions + + hook(type => "pageactions", id => "foo", call => \&pageactions); + +This hook allows plugins to add arbitrary actions to the action bar on a +page (next to Edit, RecentChanges, etc). The hook is passed a "page" +parameter, and can return a list of html fragments to add to the action +bar. + ### sanitize hook(type => "sanitize", id => "foo", call => \&sanitize); @@ -586,7 +600,17 @@ describes the plugin as a whole. For example: hook(type => "genwrapper", id => "foo", call => \&genwrapper); This hook is used to inject C code (which it returns) into the `main` -function of the ikiwiki wrapper when it is being generated. +function of the ikiwiki wrapper when it is being generated. + +The code runs before anything else -- in particular it runs before +the suid wrapper has sanitized its environment. + +### disable + + hook(type => "disable", id => "foo", call => \&disable); + +This hook is only run when a previously enabled plugin gets disabled +during ikiwiki setup. Plugins can use this to perform cleanups. ## Exported variables @@ -701,9 +725,11 @@ the entire wiki build and make the wiki unusable. ### `template($;@)` -Creates and returns a [[!cpan HTML::Template]] object. The first parameter -is the name of the template file. The optional remaining parameters are -passed to `HTML::Template->new`. +Creates and returns a [[!cpan HTML::Template]] object. (In a list context, +returns the parameters needed to construct the obhect.) + +The first parameter is the name of the template file. The optional remaining +parameters are passed to `HTML::Template->new`. Normally, the template file is first looked for in the templates/ subdirectory of the srcdir. Failing that, it is looked for in the templatedir. @@ -714,6 +740,8 @@ with no ".tmpl" extension. Template pages are normally looked for in the templates/ directory. If the page name starts with "/", a page elsewhere in the wiki can be used. +If the template is not found, or contains a syntax error, an error is thrown. + ### `template_depends($$;@)` Use this instead of `template()` if the content of a template is being @@ -936,13 +964,16 @@ search for files. If the directory name is not absolute, ikiwiki will assume it is in the parent directory of the configured underlaydir. -### `displaytime($;$)` +### `displaytime($;$$)` Given a time, formats it for display. The optional second parameter is a strftime format to use to format the time. +If the third parameter is true, this is the publication time of a page. +(Ie, set the html5 pubdate attribute.) + ### `gettext` This is the standard gettext function, although slightly optimised. @@ -1037,16 +1068,20 @@ token, that will be passed into `rcs_commit` when committing. For example, it might return the current revision ID of the file, and use that information later when merging changes. -#### `rcs_commit($$$;$$)` +#### `rcs_commit(@)` + +Passed named parameters: `file`, `message`, `token` (from `rcs_prepedit`), +and `session` (optional). -Passed a file, message, token (from `rcs_prepedit`), user, and ip address. Should try to commit the file. Returns `undef` on *success* and a version of the page with the rcs's conflict markers on failure. -#### `rcs_commit_staged($$$)` +#### `rcs_commit_staged(@)` + +Passed named parameters: `message`, and `session` (optional). -Passed a message, user, and ip address. Should commit all staged changes. -Returns undef on success, and an error message on failure. +Should commit all staged changes. Returns undef on success, and an +error message on failure. Changes can be staged by calls to `rcs_add`, `rcs_remove`, and `rcs_rename`. @@ -1089,7 +1124,9 @@ The data structure returned for each change is: { rev => # the RCSs id for this commit - user => # name of user who made the change, + user => # user who made the change (may be an openid), + nickname => # short name for user (optional; not an openid), + committype => # either "web" or the name of the rcs, when => # time when the change was made, message => [ @@ -1117,8 +1154,6 @@ context, and the whole diff in scalar context. This is used to get the page creation time for a file from the RCS, by looking it up in the history. -It's ok if this is not implemented, and throws an error. - If the RCS cannot determine a ctime for the file, return 0. #### `rcs_getmtime($)` @@ -1139,9 +1174,9 @@ sense to implement for all RCSs. It should examine the incoming changes, and do any sanity checks that are appropriate for the RCS to limit changes to safe file adds, -removes, and changes. If something bad is found, it should exit -nonzero, to abort the push. Otherwise, it should return a list of -files that were changed, in the form: +removes, and changes. If something bad is found, it should die, to abort +the push. Otherwise, it should return a list of files that were changed, +in the form: { file => # name of file that was changed @@ -1154,6 +1189,28 @@ files that were changed, in the form: The list will then be checked to make sure that each change is one that is allowed to be made via the web interface. +#### `rcs_preprevert($)` + +This is called by the revert web interface. It is passed a RCS-specific +change ID, and should determine what the effects would be of reverting +that change, and return the same data structure as `rcs_receive`. + +Like `rcs_receive`, it should do whatever sanity checks are appropriate +for the RCS to limit changes to safe changes, and die if a change would +be unsafe to revert. + +#### `rcs_revert($)` + +This is called by the revert web interface. It is passed a named +parameter rev that is the RCS-specific change ID to revert. + +It should try to revert the specified rev, and leave the reversion staged +so `rcs_commit_staged` will complete it. It should return undef on _success_ +and an error message on failure. + +This hook and `rcs_preprevert` are optional, if not implemented, no revert +web interface will be available. + ### PageSpec plugins It's also possible to write plugins that add new functions to