[3.1.0] Preparation for autoload

- Factor out getPath from autoload implementation to its own function
- Ensure extends is on the same line as class for all files

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1515 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier.php

@@ -232,15 +232,22 @@ class HTMLPurifier
      * @param $class Class to load
      */
     public static function autoload($class) {
+        $file = HTMLPurifier::getPath($class);
+        if (!$file) return false;
+        require_once $file;
+        return true;
+    }
+    
+    /**
+     * Returns the path for a specific class.
+     */
+    public static function getPath($class) {
         if (strncmp('HTMLPurifier', $class, 12) !== 0) return false;
-        // Language classes have an unusual directory structure
         if (strncmp('HTMLPurifier_Language_', $class, 22) === 0) {
           $code = str_replace('_', '-', substr($class, 22));
-          require_once 'HTMLPurifier/Language/classes/' . $code . '.php';
+          return 'HTMLPurifier/Language/classes/' . $code . '.php';
-          return true;
         }
-        require_once str_replace('_', '/', $class) . '.php';
+        return str_replace('_', '/', $class) . '.php';
-        return true;
     }
     
     

library/HTMLPurifier/AttrTransform/BoolToCSS.php

@@ -5,8 +5,7 @@ require_once 'HTMLPurifier/AttrTransform.php';
 /**
  * Pre-transform that changes converts a boolean attribute to fixed CSS
  */
-class HTMLPurifier_AttrTransform_BoolToCSS
+class HTMLPurifier_AttrTransform_BoolToCSS extends HTMLPurifier_AttrTransform {
-extends HTMLPurifier_AttrTransform {
     
     /**
      * Name of boolean attribute that is trigger

library/HTMLPurifier/ChildDef/StrictBlockquote.php

@@ -5,8 +5,7 @@ require_once 'HTMLPurifier/ChildDef/Required.php';
 /**
  * Takes the contents of blockquote when in strict and reformats for validation.
  */
-class   HTMLPurifier_ChildDef_StrictBlockquote
+class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Required
-extends HTMLPurifier_ChildDef_Required
 {
     protected $real_elements;
     protected $fake_elements;