Add inherits support, include extends(class) and implements(interface)

Author: markwu

PHPCtags.class.php

@@ -111,7 +111,8 @@ private function struct($node, $reset=FALSE, $parent=array())
             $structs = array();
         }
 
-        $kind = $name = $line = $access = '';
+        $kind = $name = $line = $access = $extends = '';
+        $implements = array();
 
         if (!empty($parent)) array_push($scope, $parent);
 
@@ -122,6 +123,8 @@ private function struct($node, $reset=FALSE, $parent=array())
         } elseif ($node instanceof PHPParser_Node_Stmt_Class) {
             $kind = 'c';
             $name = $node->name;
+            $extends = $node->extends;
+            $implements = $node->implements;
             $line = $node->getLine();
             foreach ($node as $subNode) {
                 $this->struct($subNode, FALSE, array('class' => $name));
@@ -218,6 +221,8 @@ private function struct($node, $reset=FALSE, $parent=array())
                 'file' => $this->mFile,
                 'kind' => $kind,
                 'name' => $name,
+                'extends' => $extends,
+                'implements' => $implements,
                 'line' => $line,
                 'scope' => $scope,
                 'access' => $access,
@@ -298,6 +303,21 @@ private function render()
                 $str .= "\t" . $scope;
             }
 
+            #field=i
+            if(in_array('i', $this->mOptions['fields'])) {
+                $inherits = array();
+                if(!empty($struct['extends'])) {
+                    $inherits[] = $struct['extends']->toString();
+                }
+                if(!empty($struct['implements'])) {
+                    foreach($struct['implements'] as $interface) {
+                        $inherits[] = $interface->toString();
+                    }
+                }
+                if(!empty($inherits))
+                    $str .= "\t" . 'inherits:' . implode(',', $inherits);
+            }
+
             #field=a
             if (in_array('a', $this->mOptions['fields']) && !empty($struct['access'])) {
                 $str .= "\t" . "access:" . $struct['access'];

bootstrap.php

@@ -142,7 +142,7 @@
 if (!isset($options['memory']))
     $options['memory'] = '128M';
 if (!isset($options['fields'])) {
-    $options['fields'] = array('n', 'k', 's', 'a');
+    $options['fields'] = array('n', 'k', 's', 'a','i');
 } else {
     $options['fields'] = str_split($options['fields']);
 }