1 files changed, 82 insertions, 0 deletions
diff --git a/webkit/glue/devtools/js/inject.js b/webkit/glue/devtools/js/inject.js
new file mode 100644
index 0000000..4e97462
--- /dev/null
+++ b/webkit/glue/devtools/js/inject.js
@@ -0,0 +1,82 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * @fileoverview Javascript that is being injected into the inspectable page
+ * while debugging.
+ */
+goog.require('goog.json');
+
+/**
+ * Returns JSON-serialized array of properties for a given node
+ * on a given path.
+ * @param {Node} node Node to get property value for.
+ * @param {string} args JSON-serialized [{Array.<string>} Path to the
+ *     nested object, {number} Depth to the actual proto to inspect].
+ * @return {string} JSON-serialized array where each property is represented
+ *     by the tree entryies [{string} type, {string} name, {Object} value].
+ */
+function devtools$$getProperties(node, args) {
+  // Parse parameters.
+  var parsedArgs = goog.json.parse(args);
+  var path = parsedArgs[0];
+  var protoDepth = parsedArgs[1];
+
+  var result = [];
+  var obj = node;
+
+  // Follow the path.
+  for (var i = 0; obj && i < path.length; ++i) {
+    obj = obj[path[i]];
+  }
+
+  if (!obj) {
+    return '[]';
+  }
+
+  // Get to the necessary proto layer.
+  for (var i = 0; obj && i < protoDepth; ++i) {
+    obj = obj.__proto__;
+  }
+
+  if (!obj) {
+    return '[]';
+  }
+
+  // Go over properties, prepare results.
+  for (var name in obj) {
+    if (protoDepth != -1 && 'hasOwnProperty' in obj &&
+       !obj.hasOwnProperty(name)) {
+      continue;
+    }
+    var type = typeof obj[name];
+    result.push(type);
+    result.push(name);
+    if (type == 'string') {
+      var str = obj[name];
+      result.push(str.length > 99 ? str.substr(0, 99) + '...' : str);
+    } else if (type != 'object' && type != 'array' &&
+         type != 'function') {
+      result.push(obj[name]);
+    } else {
+      result.push(undefined);
+    }
+  }
+  return goog.json.serialize(result);
+}
+
+
+/**
+ * Returns JSON-serialized array of prototypes for a given node.
+ * @param {Node} node Node to get prorotypes for.
+ * @return {string} JSON-serialized array where each item is a proto name.
+ */
+function devtools$$getPrototypes(node, args) {
+  var result = [];
+  for (var prototype = node; prototype; prototype = prototype.__proto__) {
+    var description = Object.prototype.toString.call(prototype);
+    result.push(description.replace(/^\[object (.*)\]$/i, '$1'));
+  }
+  return goog.json.serialize(result);
+}