| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * |
| */ |
| |
| var utils = require('cordova/utils'); |
| |
| var moduleExports = module.exports; |
| |
| var typeMap = { |
| 'A': 'Array', |
| 'D': 'Date', |
| 'N': 'Number', |
| 'S': 'String', |
| 'F': 'Function', |
| 'O': 'Object' |
| }; |
| |
| function extractParamName (callee, argIndex) { |
| return (/.*?\((.*?)\)/).exec(callee)[1].split(', ')[argIndex]; |
| } |
| |
| function checkArgs (spec, functionName, args, opt_callee) { |
| if (!moduleExports.enableChecks) { |
| return; |
| } |
| var errMsg = null; |
| var typeName; |
| for (var i = 0; i < spec.length; ++i) { |
| var c = spec.charAt(i); |
| var cUpper = c.toUpperCase(); |
| var arg = args[i]; |
| // Asterix means allow anything. |
| if (c === '*') { |
| continue; |
| } |
| typeName = utils.typeName(arg); |
| if ((arg === null || arg === undefined) && c === cUpper) { |
| continue; |
| } |
| if (typeName !== typeMap[cUpper]) { |
| errMsg = 'Expected ' + typeMap[cUpper]; |
| break; |
| } |
| } |
| if (errMsg) { |
| errMsg += ', but got ' + typeName + '.'; |
| errMsg = 'Wrong type for parameter "' + extractParamName(opt_callee || args.callee, i) + '" of ' + functionName + ': ' + errMsg; |
| // Don't log when running unit tests. |
| if (typeof jasmine === 'undefined') { |
| console.error(errMsg); |
| } |
| throw TypeError(errMsg); |
| } |
| } |
| |
| function getValue (value, defaultValue) { |
| return value === undefined ? defaultValue : value; |
| } |
| |
| moduleExports.checkArgs = checkArgs; |
| moduleExports.getValue = getValue; |
| moduleExports.enableChecks = true; |