Adding mapbox-gl branch

2015-03-16 18:50:27 +01:00
parent 7985f030fa
commit 57ee7f52fd
3109 changed files with 943365 additions and 0 deletions
@@ -0,0 +1,103 @@
+// Copyright 2013 The Closure Library Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS-IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+
+/**
+ * @fileoverview Utility to attempt native JSON processing, falling back to
+ *     goog.json if not available.
+ *
+ *     This is intended as a drop-in for current users of goog.json who want
+ *     to take advantage of native JSON if present.
+ *
+ * @author nnaze@google.com (Nathan Naze)
+ */
+
+goog.provide('goog.json.hybrid');
+
+goog.require('goog.asserts');
+goog.require('goog.json');
+
+
+/**
+ * Attempts to serialize the JSON string natively, falling back to
+ * {@code goog.json.serialize} if unsuccessful.
+ * @param {!Object} obj JavaScript object to serialize to JSON.
+ * @return {string} Resulting JSON string.
+ */
+goog.json.hybrid.stringify = goog.json.USE_NATIVE_JSON ?
+    goog.global['JSON']['stringify'] :
+    function(obj) {
+      if (goog.global.JSON) {
+        try {
+          return goog.global.JSON.stringify(obj);
+        } catch (e) {
+          // Native serialization failed.  Fall through to retry with
+          // goog.json.serialize.
+        }
+      }
+
+      return goog.json.serialize(obj);
+    };
+
+
+/**
+ * Attempts to parse the JSON string natively, falling back to
+ * the supplied {@code fallbackParser} if unsuccessful.
+ * @param {string} jsonString JSON string to parse.
+ * @param {function(string):Object} fallbackParser Fallback JSON parser used
+ *     if native
+ * @return {!Object} Resulting JSON object.
+ * @private
+ */
+goog.json.hybrid.parse_ = function(jsonString, fallbackParser) {
+  if (goog.global.JSON) {
+    try {
+      var obj = goog.global.JSON.parse(jsonString);
+      goog.asserts.assertObject(obj);
+      return obj;
+    } catch (e) {
+      // Native parse failed.  Fall through to retry with goog.json.unsafeParse.
+    }
+  }
+
+  var obj = fallbackParser(jsonString);
+  goog.asserts.assert(obj);
+  return obj;
+};
+
+
+/**
+ * Attempts to parse the JSON string natively, falling back to
+ * {@code goog.json.parse} if unsuccessful.
+ * @param {string} jsonString JSON string to parse.
+ * @return {!Object} Resulting JSON object.
+ */
+goog.json.hybrid.parse = goog.json.USE_NATIVE_JSON ?
+    goog.global['JSON']['parse'] :
+    function(jsonString) {
+      return goog.json.hybrid.parse_(jsonString, goog.json.parse);
+    };
+
+
+/**
+ * Attempts to parse the JSON string natively, falling back to
+ * {@code goog.json.unsafeParse} if unsuccessful.
+ * @param {string} jsonString JSON string to parse.
+ * @return {!Object} Resulting JSON object.
+ */
+goog.json.hybrid.unsafeParse = goog.json.USE_NATIVE_JSON ?
+    goog.global['JSON']['parse'] :
+    function(jsonString) {
+      return goog.json.hybrid.parse_(jsonString, goog.json.unsafeParse);
+    };