diff options
-rw-r--r-- | doc/plugins/write.mdwn | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn index 712dda8bf..17c54ffc7 100644 --- a/doc/plugins/write.mdwn +++ b/doc/plugins/write.mdwn @@ -524,17 +524,17 @@ describes the plugin as a whole. For example: This hook is used to inject C code (which it returns) into the `main` function of the ikiwiki wrapper when it is being generated. -### Exported variables +## Exported variables Several variables are exported to your plugin when you `use IkiWiki;` -#### %config +### %config A plugin can access the wiki's configuration via the `%config` hash. The best way to understand the contents of the hash is to look at your ikiwiki setup file, which sets the hash content to configure the wiki. -#### %pagestate +### %pagestate The `%pagestate` hash can be used by plugins to save state that they will need next time ikiwiki is run. The hash holds per-page state, so to set a value, @@ -552,7 +552,7 @@ 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 +### %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 @@ -561,13 +561,13 @@ 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. -#### %links +### %links The `%links` hash can be used to look up the names of each page that a page links to. The name of the page is the key; the value is an array reference. Do not modify this hash directly; call `add_link()`. -#### %destsources +### %destsources The `%destsources` hash records the name of the source file used to create each destination file. The key is the output filename (ie, @@ -575,15 +575,15 @@ create each destination file. The key is the output filename (ie, from (eg, "foo.mdwn"). Note that a single source file may create multiple destination files. Do not modify this hash directly; call `will_render()`. -#### %pagesources +### %pagesources The `%pagesources` has can be used to look up the source filename of a page. So the key is the page name, and the value is the source filename. Do not modify this hash. -### Library functions +## Library functions -#### `hook(@)` +### `hook(@)` Hook into ikiwiki's processing. See the discussion of hooks above. @@ -592,12 +592,12 @@ named `no_override` is supported, If it's set to a true value, then this hook will not override any existing hook with the same id. This is useful if the id can be controled by the user. -#### `debug($)` +### `debug($)` Logs a debugging message. These are supressed unless verbose mode is turned on. -#### `error($;$)` +### `error($;$)` Aborts with an error message. If the second parameter is passed, it is a function that is called after the error message is printed, to do any final @@ -611,13 +611,13 @@ In other hooks, error() is a fatal error, so use with care. Try to avoid dying on bad input when building a page, as that will halt the entire wiki build and make the wiki unusable. -#### `template($;@)` +### `template($;@)` Creates and returns a [[!cpan HTML::Template]] object. The first parameter is the name of the file in the template directory. The optional remaining parameters are passed to `HTML::Template->new`. -#### `htmlpage($)` +### `htmlpage($)` Passed a page name, returns the base name that will be used for a the html page created from it. (Ie, it appends ".html".) @@ -625,7 +625,7 @@ 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. -#### `pagespec_match_list($$;@)` +### `pagespec_match_list($$;@)` Passed a page name, and [[ikiwiki/PageSpec]], returns a list of pages in the wiki that match the [[ikiwiki/PageSpec]]. @@ -656,7 +656,7 @@ Additional named parameters can be specified: Any other named parameters are passed on to `pagespec_match`, to further limit the match. -#### `add_depends($$;$)` +### `add_depends($$;$)` Makes the specified page depend on the specified [[ikiwiki/PageSpec]]. @@ -678,7 +678,7 @@ The most often used is "location", which specifies the location the PageSpec should match against. If not passed, relative PageSpecs will match relative to the top of the wiki. -#### `deptype(@)` +### `deptype(@)` Use this function to generate ikiwiki's internal representation of a dependency type from one or more of these keywords: @@ -730,7 +730,7 @@ control some options. These are: * class - set to add a css class to the link * title - set to add a title attribute to the link -#### `readfile($;$)` +### `readfile($;$)` Given a filename, reads and returns the entire file. @@ -739,7 +739,7 @@ in binary mode. A failure to read the file will result in it dying with an error. -#### `writefile($$$;$$)` +### `writefile($$$;$$)` Given a filename, a directory to put it in, and the file's content, writes a file. @@ -767,7 +767,7 @@ generally the directory parameter is a trusted toplevel directory like the srcdir or destdir, and any subdirectories of this are included in the filename parameter. -#### `will_render($$)` +### `will_render($$)` Given a page name and a destination file name (not including the base destination directory), register that the page will result in that file @@ -783,34 +783,34 @@ Ikiwiki uses this information to automatically clean up rendered files when 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($)` +### `pagetype($)` Given the name of a source file, returns the type of page it is, if it's a type that ikiwiki knowns how to htmlize. Otherwise, returns undef. -#### `pagename($)` +### `pagename($)` Given the name of a source file, returns the name of the wiki page that corresponds to that file. -#### `pagetitle($)` +### `pagetitle($)` 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($)` +### `titlepage($)` This performs the inverse of `pagetitle`, ie, it converts a page title into a wiki page name. -#### `linkpage($)` +### `linkpage($)` This converts text that could have been entered by the user as a [[ikiwiki/WikiLink]] into a wiki page name. -#### `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 @@ -820,7 +820,7 @@ 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($)` +### `add_underlay($)` Adds a directory to the set of underlay directories that ikiwiki will search for files. @@ -828,18 +828,18 @@ 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. -#### `gettext` +### `gettext` This is the standard gettext function, although slightly optimised. -#### `urlto($$;$)` +### `urlto($$;$)` Construct a relative url to the first parameter from the page named by the second. The first parameter can be either a page name, or some other @@ -848,13 +848,13 @@ 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($$)` +### `newpagefile($$)` 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($$;$)` +### `targetpage($$;$)` Passed a page and an extension, returns the filename that page will be rendered to. @@ -863,7 +863,7 @@ 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($$)` +### `add_link($$)` 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. |