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Diffstat (limited to 'doc/plugins/write.mdwn')
| -rw-r--r-- | doc/plugins/write.mdwn | 49 |
1 files changed, 37 insertions, 12 deletions
diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn index cccfb9bba..ac0935773 100644 --- a/doc/plugins/write.mdwn +++ b/doc/plugins/write.mdwn @@ -98,7 +98,7 @@ function is passed no values. 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 pages that will be rebuilt, and can modify the array, either +array of files that will be rebuilt, and can modify the array, either adding or removing files from it. ### scan @@ -107,8 +107,8 @@ adding or removing files from it. 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|ikiwiki/WikiLink]], and add them to `%links`. -Present in IkiWiki 2.40 and later. +mostly used to scan the page for [[WikiLinks|ikiwiki/WikiLink]], 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. @@ -151,11 +151,11 @@ parameter is set to a true value if the page is being previewed. If `hook` is passed an optional "scan" parameter, set to a true value, this makes the hook be called during the preliminary scan that ikiwiki makes of updated pages, before begining to render pages. This should be done if the -hook modifies data in `%links`. Note that doing so will make the hook be -run twice per page build, so avoid doing it for expensive hooks. (As an -optimisation, if your preprocessor hook is called in a void context, you -can assume it's being run in scan mode, and avoid doing expensive things at -that point.) +hook modifies data in `%links` (typically by calling `add_link`). Note that +doing so will make the hook be run twice per page build, so avoid doing it +for expensive hooks. (As an optimisation, if your preprocessor hook is +called in a void context, you can assume it's being run in scan mode, and +avoid doing expensive things at that point.) Note that if the [[htmlscrubber]] is enabled, html in preprocessor [[ikiwiki/directive]] output is sanitised, which may limit what @@ -174,7 +174,8 @@ links. The function is passed named parameters "page", "destpage", and 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`. +for the links on the page and adds them to `%links` (typically by calling +`add_link`). ### htmlize @@ -197,6 +198,9 @@ value, then the id parameter specifies not a filename extension, but a whole filename that can be htmlized. This is useful for files 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. + ### pagetemplate hook(type => "pagetemplate", id => "foo", call => \&pagetemplate); @@ -612,6 +616,19 @@ The most often used is "location", which specifies the location the PageSpec should match against. If not passed, relative PageSpecs will match relative to the top of the wiki. +#### `pagespec_match_list($$;@)` + +Passed a reference to a list of page names, and [[ikiwiki/PageSpec]], +returns the set of pages that match the [[ikiwiki/PageSpec]]. + +Additional named parameters can be passed, to further limit the match. +The most often used is "location", which specifies the location the +PageSpec should match against. If not passed, relative PageSpecs will match +relative to the top of the wiki. + +Unlike pagespec_match, this may throw an error if there is an error in +the pagespec. + #### `bestlink($$)` Given a page and the text of a link on the page, determine which @@ -780,6 +797,11 @@ Optionally, a third parameter can be passed, to specify the preferred filename of the page. For example, `targetpage("foo", "rss", "feed")` will yield something like `foo/feed.rss`. +#### `add_link($$)` + +This adds a link to `%links`, ensuring that duplicate links are not +added. Pass it the page that contains the link, and the link text. + ## Miscellaneous ### Internal use pages @@ -930,9 +952,12 @@ It's also possible to write plugins that add new functions to IkiWiki::PageSpec package, that is named `match_foo`, where "foo()" is how it will be accessed in a [[ikiwiki/PageSpec]]. The function will be passed two parameters: The name of the page being matched, and the thing to match -against. It may also be passed additional, named parameters. It should return -a IkiWiki::SuccessReason object if the match succeeds, or an -IkiWiki::FailReason object if the match fails. +against. It may also be passed additional, named parameters. + +It should return a IkiWiki::SuccessReason object if the match succeeds, or +an IkiWiki::FailReason object if the match fails. If the match cannot be +attempted at all, for any page, it can instead return an +IkiWiki::ErrorReason object explaining why. ### Setup plugins |