From 0e1c636e20bd809a1d388e0c6f630b0ecda7086b Mon Sep 17 00:00:00 2001
From: andi <andi@splitbrain.org>
Date: Sat, 2 Apr 2005 17:48:29 +0200
Subject: new parser: correct pageresolving for internal links

darcs-hash:20050402154829-9977f-f9576f4bafed9cbc9c15f14a41ad3410ec5c5970.gz
---
 inc/parser/action.php | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

(limited to 'inc/parser/action.php')

diff --git a/inc/parser/action.php b/inc/parser/action.php
index 34d71d3ae..67864b729 100644
--- a/inc/parser/action.php
+++ b/inc/parser/action.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ *
+ * @todo maybe wrap in class
+ * @todo rename to helper
+ */
+
 if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
 
 function parse_to_instructions($text){
@@ -80,4 +86,53 @@ function render_as_xhtml($instructions){
   return $Renderer->doc;
 }
 
+/**
+ * Returns a full page id
+ *
+ */
+function resolve_pageid(&$page,&$exists){
+  global $ID;
+  global $conf;
+  $ns = getNS($ID);
+
+  //if links starts with . add current namespace
+  if($page{0} == '.'){
+    $page = $ns.':'.substr($page,1);
+  }
+
+  //if link contains no namespace. add current namespace (if any)
+  if($ns !== false && strpos($page,':') === false){
+    $page = $ns.':'.$page;
+  }
+
+  //keep hashlink if exists then clean both parts
+  list($page,$hash) = split('#',$page,2);
+  $page = cleanID($page);
+  $hash = cleanID($hash);
+
+  $file = wikiFN($page);
+
+  $exists = false;
+
+  //check alternative plural/nonplural form
+  if(!@file_exists($file)){
+    if( $conf['autoplural'] ){
+      if(substr($page,-1) == 's'){
+        $try = substr($page,0,-1);
+      }else{
+        $try = $page.'s';
+      }
+      if(@file_exists(wikiFN($try))){
+        $page   = $try;
+        $exists = true;
+      }
+    }
+  }else{
+    $exists = true;
+  }
+
+  //add hash if any
+  if(!empty($hash)) $page.'#'.$hash;
+}
+
 ?>
-- 
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