Move classes into Zend style setup.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@88 48356398-32a2-884e-a903-53898d9a118a
2025-07-31 03:10:09 +02:00 · 2006-07-22 15:38:41 +00:00
parent 758e70dd94
commit 1ab3ae160a
18 changed files with 31 additions and 31 deletions
--- a/library/HTMLPurifier/Lexer/DOMLex.php
+++ b/library/HTMLPurifier/Lexer/DOMLex.php
@@ -0,0 +1,77 @@
+<?php
+
+require_once 'HTMLPurifier/Lexer.php';
+
+// PHP5 only!
+
+class HTMLPurifier_Lexer_DOMLex extends HTMLPurifier_Lexer
+{
+    
+    public function tokenizeHTML($string) {
+        $doc = new DOMDocument();
+        // preprocess string
+        $string = '<html><body><div>'.$string.'</div></body></html>';
+        @$doc->loadHTML($string); // mute all errors, handle it transparently
+        return $this->tokenizeDOM(
+            $doc->childNodes->item(1)-> // html
+                  childNodes->item(0)-> // body
+                  childNodes->item(0)   // div
+            );
+    }
+    
+    protected function tokenizeDOM($node, $tokens = array(), $collect = false) {
+        // recursive goodness!
+        
+        // intercept non element nodes
+        
+        if ( !($node instanceof DOMElement) ) {
+            if ($node instanceof DOMComment) {
+                $tokens[] = new HTMLPurifier_Token_Comment($node->data);
+            } elseif ($node instanceof DOMText) {
+                $tokens[] = new HTMLPurifier_Token_Text($node->data);
+            }
+            // quite possibly, the object wasn't handled, that's fine
+            return $tokens;
+        }
+        
+        // We still have to make sure that the element actually IS empty
+        if (!$node->hasChildNodes()) {
+            if ($collect) {
+                $tokens[] = new HTMLPurifier_Token_Empty(
+                    $node->tagName,
+                    $this->transformAttrToAssoc($node->attributes)
+                );
+            }
+        } else {
+            if ($collect) { // don't wrap on first iteration
+                $tokens[] = new HTMLPurifier_Token_Start(
+                    $tag_name = $node->tagName, // somehow, it get's dropped
+                    $this->transformAttrToAssoc($node->attributes)
+                );
+            }
+            foreach ($node->childNodes as $node) {
+                // remember, it's an accumulator. Otherwise, we'd have
+                // to use array_merge
+                $tokens = $this->tokenizeDOM($node, $tokens, true);
+            }
+            if ($collect) {
+                $tokens[] = new HTMLPurifier_Token_End($tag_name);
+            }
+        }
+        
+        return $tokens;
+        
+    }
+    
+    protected function transformAttrToAssoc($attribute_list) {
+        $attribute_array = array();
+        // undocumented behavior
+        foreach ($attribute_list as $key => $attr) {
+            $attribute_array[$key] = $attr->value;
+        }
+        return $attribute_array;
+    }
+    
+}
+
+?>