definitions fixed

utils/utils-common.ts

@@ -0,0 +1,53 @@
+import types = require("utils/types");
+
+export function copyFrom(source: any, target: any) {
+    if (types.isDefined(source) && types.isDefined(target)) {
+        var i: number;
+        var key: string;
+        var value: any;
+        var keys = Object.keys(source);
+
+        for (i = 0; i < keys.length; i++) {
+            key = keys[i];
+            value = source[key];
+
+            if (types.isDefined(value)) {
+                target[key] = value;
+            }
+        }
+    }
+}
+
+export module layout {
+
+    var MODE_SHIFT = 30;
+    var MODE_MASK = 0x3 << MODE_SHIFT;
+
+    export var UNSPECIFIED = 0 << MODE_SHIFT;
+    export var EXACTLY = 1 << MODE_SHIFT;
+    export var AT_MOST = 2 << MODE_SHIFT;
+
+    export var MEASURED_STATE_TOO_SMALL = 0x01000000;
+    export var MEASURED_STATE_MASK = 0xff000000;
+
+    export function getMode(mode: number): string {
+        switch (mode) {
+            case layout.EXACTLY:
+                return "Exact";
+
+            case layout.AT_MOST:
+                return "AtMost";
+
+            default:
+                return "Unspecified";
+        }
+    }
+
+    export function getMeasureSpecMode(spec: number): number {
+        return (spec & MODE_MASK);
+    }
+
+    export function getMeasureSpecSize(spec: number): number {
+        return (spec & ~MODE_MASK);
+    }
+}