phpCallGraph Code

--- a
+++ b/branches/parse_tree/XML2Array.php
@@ -0,0 +1,72 @@
+<?php
+/**
+ * Class to convert a DOMNode into an Array
+ */
+class XML2Array {
+
+    /**
+     * @var DOMNode
+     */  
+    protected $node;
+
+    public function __construct(DOMNode $node) {
+        $this->node = $node;
+    }
+
+    /**
+     * @return array
+     */
+    public function getArray() {
+        $array = array();
+        $array[$this->node->nodeName] = $this->toArray($this->node);
+        return $array;
+    }
+    
+    /**
+     * @return array|string
+     */
+    protected function toArray(DOMNode $node) {
+        $array = array();
+        if ($node->hasChildNodes()) {
+            foreach ($node->childNodes as $childNode) {
+                if ($childNode->nodeType == XML_TEXT_NODE) {
+                    $text = trim($childNode->nodeValue);
+                    if (strlen($text) > 0) { // skip pure whitespace text nodes
+                        $array[] = $text;
+                    }
+                } else {
+                    $array[$childNode->localName] = $this->toArray($childNode);
+                }
+            }
+        }
+        return $array;
+    }
+
+    /**
+     * @return string the array as PHP code
+     */
+    public function __toString() {
+        $string = $this->arrayToString($this->getArray());
+        return $string;
+    }
+
+    /**
+     * @param integer $level
+     * @return string
+     */
+    public static function arrayToString(Array $array, $level = 0) {
+        $string = '';
+        foreach ($array as $key => $value) {
+            $string.= str_repeat('    ', $level);
+            if (is_array($value)) {
+                $string.= $key;
+                $string.= "\n";
+                $string.= self::arrayToString($value, $level + 1);
+            } else {
+                $string.= '"' . $value . "\"\n";
+            }
+        }
+        return $string;
+    }
+}
+?>