Merge branch 'master' of ssh://git.kitenet.net/srv/git/ikiwiki.info

[git.ikiwiki.info.git] / doc / plugins / write / external.mdwn

diff --git a/doc/plugins/write/external.mdwn b/doc/plugins/write/external.mdwn
index 3612dd9c3f09517f6e97f338653b33c2508ee0db..a1a3811dc72134b2cc5fcd61fa5474b7376d2fd6 100644 (file)
--- a/doc/plugins/write/external.mdwn
+++ b/doc/plugins/write/external.mdwn
@@ -8,6 +8,12 @@ written in perl, but is intended to be an example of how to write an
 external plugin in your favorite programming language. Wow us at how much
 easier you can do the same thing in your favorite language. ;-)
 
 external plugin in your favorite programming language. Wow us at how much
 easier you can do the same thing in your favorite language. ;-)
 

+There's now a second external plugin, the [[rst]] plugin, written in
+python. (Could someone convert it into a python library that can be used by
+other plugins?)
+
+[[toc ]]
+

 ## How external plugins use XML RPC
 
 While XML RPC is typically used over http, ikiwiki doesn't do that.
 ## How external plugins use XML RPC
 
 While XML RPC is typically used over http, ikiwiki doesn't do that.


@@ -43,6 +49,11 @@ to access any such global hash. To get the "url" configuration value,
 call `getvar("config", "url")`. To set it, call 
 `setvar("config", "url", "http://example.com/)`.
 
 call `getvar("config", "url")`. To set it, call 
 `setvar("config", "url", "http://example.com/)`.
 

+The `%pagestate` is a special hash with a more complex format. To access
+it, external plugins can use the `getstate` and `setstate` RPCs. To access
+stored state, call `getstate("page", "id", "key")`, and to store state,
+call `setstate("page", "id", "key", "value")`.
+

 ## Notes on function parameters
 
 The [[plugin_interface_documentation|write]] talks about functions that take
 ## Notes on function parameters
 
 The [[plugin_interface_documentation|write]] talks about functions that take


@@ -85,7 +96,7 @@ to 1.
 
 Since XML RPC can't pass around references to objects, it can't be used
 with functions that take or return such references. That means you can't
 
 Since XML RPC can't pass around references to objects, it can't be used
 with functions that take or return such references. That means you can't

-use XML RPC for `cgi` or `formbuilder` hooks (which are passed CGI and
+100% use XML RPC for `cgi` or `formbuilder` hooks (which are passed CGI and

 FormBuilder perl objects), or use it to call `template()` (which returns a
 perl HTML::Template object).
 
 FormBuilder perl objects), or use it to call `template()` (which returns a
 perl HTML::Template object).
 


@@ -115,8 +126,8 @@ number of calls.
 Injecting a replacement for a commonly called ikiwiki function
 could result in a lot more RPC calls than expected and slow
 eveything down. `pagetitle`, for instance, is called about 100 times
 Injecting a replacement for a commonly called ikiwiki function
 could result in a lot more RPC calls than expected and slow
 eveything down. `pagetitle`, for instance, is called about 100 times

-per page build. Memoizing injected functions whenever possible is a very
-good idea.
+per page build. Whenever possible, you should tell ikiwiki to memoize
+injected functions.

 
 In general, use common sense, and your external plugin will probably
 perform ok.
 
 In general, use common sense, and your external plugin will probably
 perform ok.