[3.0.0] Fully implement CSS extraction and cleaning. See NEWS for more information, it is now a Filter.

- Some Lexer things were moved around

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1469 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/Lexer.php

@@ -79,14 +79,6 @@ It is not necessary and will have no effect for PHP 4.
 This directive has been available since 2.1.0.
 ');
 
-HTMLPurifier_ConfigSchema::define(
-    'HTML', 'ExtractStyleBlocks', false, 'bool', '
-This directive enables extraction of <code>style</code> tags contents so
-that they can be incorporated in the <code>head</code> of the document,
-after sufficient validation.
-This directive has been available since 3.0.0.
-');
-
 /**
  * Forgivingly lexes HTML (SGML-style) markup into tokens.
  * 
@@ -346,34 +338,6 @@ class HTMLPurifier_Lexer
         // represent non-SGML characters (horror, horror!)
         $html = HTMLPurifier_Encoder::cleanUTF8($html);
         
-        if ($config->get('HTML', 'ExtractStyleBlocks')) {
-            // extract <style> CSS blocks
-            $html = $this->extractStyleBlocks($html, $config, $context);
-        }
-        
-        return $html;
-    }
-    
-    private $_styleMatches = array();
-    
-    /**
-     * Save the contents of CSS blocks to style matches
-     */
-    protected function styleCallback($matches) {
-        $this->_styleMatches[] = $matches[1];
-    }
-    
-    /**
-     * Removes inline <style> tags from HTML, saves them for later use
-     * @todo Extend to indicate non-text/css style blocks
-     */
-    public function extractStyleBlocks($html, $config, $context) {
-        $html = preg_replace_callback('#<style(?:\s.*)?>(.+)</style>#isU', array($this, 'styleCallback'), $html);
-        $style_blocks = $this->_styleMatches;
-        $this->_styleMatches = array(); // reset
-        // this is a persistent context, so we have to overwrite it with every call
-        if ($context->exists('StyleBlocks')) $context->destroy('StyleBlocks');
-        $context->register('StyleBlocks', $style_blocks);
         return $html;
     }