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authorjoey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>2006-09-07 15:42:01 +0000
committerjoey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>2006-09-07 15:42:01 +0000
commit516eaeafbde03fe1ce5d80aa36874b03c4fb67e9 (patch)
treeb01d12a5e6c0584978bac37e3641f472fb7795cc /doc/plugins
parentcd5f2eadd9c4f3b904e92ca664df16ac5cc054ae (diff)
web commit by joey
Diffstat (limited to 'doc/plugins')
-rw-r--r--doc/plugins/write.mdwn40
1 files changed, 20 insertions, 20 deletions
diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index 8b149da1b..dd0ab451f 100644
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -6,7 +6,7 @@ plugin. `IkiWiki::Plugin::pagecount` is another simple example.
[[toc levels=2]]
-# Note
+## Considerations
One thing to keep in mind when writing a plugin is that ikiwiki is a wiki
*compiler*. So plugins influence pages when they are built, not when they
@@ -17,7 +17,7 @@ random or changing thing on a page will generate a static page that won't
change until ikiwiki rebuilds the page for some other reason, like the page
being edited.
-# Registering plugins
+## Registering plugins
Plugins should, when imported, call IkiWiki::hook to hook into ikiwiki's
processing. The function uses named parameters, and use varies depending on
@@ -28,11 +28,11 @@ hook, a "id" paramter, which should be a unique string for this plugin, and
a "call" parameter, which is a reference to a function to call for the
hook.
-# Types of hooks
+## Types of hooks
In roughly the order they are called.
-## getopt
+### getopt
IkiWiki::hook(type => "getopt", id => "foo", call => \&getopt);
@@ -45,7 +45,7 @@ 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
+### checkconfig
IkiWiki::hook(type => "checkconfig", id => "foo", call => \&checkconfig);
@@ -54,7 +54,7 @@ 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.
-## filter
+### filter
IkiWiki::hook(type => "filter", id => "foo", call => \&filter);
@@ -62,7 +62,7 @@ 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` and
`content` and should return the filtered content.
-## preprocess
+### preprocess
Adding a [[PreProcessorDirective]] is probably the most common use of a
plugin.
@@ -87,7 +87,7 @@ preprocessor time. Text output by a preprocessor directive will be
linkified and passed through markdown (or whatever engine is used to htmlize
the page) along with the rest of the page.
-## htmlize
+### htmlize
IkiWiki::hook(type => "htmlize", id => "ext", call => \&htmlize);
@@ -99,7 +99,7 @@ languages to ikiwiki.
The function is passed named parameters: "page" and "content" and should
return the htmlized content.
-## pagetemplate
+### pagetemplate
IkiWiki::hook(type => "pagetemplate", id => "foo", call => \&pagetemplate);
@@ -114,7 +114,7 @@ object.
The most common thing to do is probably to call $template->param() to add
a new custom parameter to the template.
-## sanitize
+### sanitize
IkiWiki::hook(type => "sanitize", id => "foo", call => \&sanitize);
@@ -124,7 +124,7 @@ 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.
-## format
+### format
IkiWiki::hook(type => "format", id => "foo", call => \&format);
@@ -135,14 +135,14 @@ header and footer inserted by ikiwiki, the html document type, etc.
The function is passed named parameters: "page" and "content", and
should return the formatted content.
-## delete
+### delete
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.
-## change
+### change
IkiWiki::hook(type => "change", id => "foo", call => \&render);
@@ -150,7 +150,7 @@ Each time ikiwiki renders a change or addition (but not deletion) to the
wiki, the referenced function is called, and passed the names of the
source files that were rendered.
-## cgi
+### cgi
IkiWiki::hook(type => "cgi", id => "foo", call => \&cgi);
@@ -159,7 +159,7 @@ 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
+### savestate
IkiWiki::hook(type => "savestate", id => "foo", call => \&savestate);
@@ -167,20 +167,20 @@ 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.
-# Error handing
+## Error handing
While a plugin can call ikiwiki's `error` routine for a fatal error, for
errors that aren't intended to halt the entire wiki build, including bad
parameters passed to a [[PreProcessorDirective]], etc, it's better to just
return the error message as the output of the plugin.
-# Wiki configuration
+## Wiki configuration
A plugin can access the wiki's configuration via the `%IkiWiki::config`
hash. The best way to understand the contents of the hash is to look at
[[ikiwiki.setup]], which sets the hash content to configure the wiki.
-# Wiki data
+## Wiki data
If your plugin needs to access data about other pages in the wiki. It can
use the following hashes, using a page name as the key:
@@ -202,7 +202,7 @@ use the following hashes, using a page name as the key:
* `%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
+## Generating html links
Many plugins need to generate html links and add them to a page. This is
done by using the `IkiWiki::htmllink` function. The usual way to call
@@ -219,7 +219,7 @@ 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
during inlining and don't need to worry about this issue.
-# RCS plugins
+## RCS plugins
ikiwiki's support for revision control systems also uses pluggable perl
modules. These are in the `IkiWiki::RCS` namespace, for example