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53 lines (41 loc) · 1.28 KB
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utils-common.ts
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53 lines (41 loc) · 1.28 KB
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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);
}
}