| /* |
| * |
| * Copyright 2013 Brett Rudd |
| * |
| * 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. |
| * |
| */ |
| |
| // contains PLIST utility functions |
| |
| var et = require('elementtree'), |
| plist = require('plist'); |
| |
| // adds node to doc at selector |
| module.exports = { |
| graftPLIST:function (doc, xml, selector) { |
| var obj = plist.parseStringSync("<plist>"+xml+"</plist>"); |
| |
| var node = doc[selector]; |
| if (node && Array.isArray(node) && Array.isArray(obj)) |
| doc[selector] = node.concat(obj); |
| else |
| doc[selector] = obj; |
| |
| return true; |
| }, |
| // removes node from doc at selector |
| prunePLIST:function(doc, xml, selector) { |
| var obj = plist.parseStringSync("<plist>"+xml+"</plist>"); |
| |
| pruneOBJECT(doc, selector, obj); |
| |
| return true; |
| } |
| } |
| |
| function pruneOBJECT(doc, selector, fragment) { |
| if (Array.isArray(fragment) && Array.isArray(doc[selector])) { |
| var empty = true; |
| for (i in fragment) { |
| for (j in doc[selector]) { |
| empty = pruneOBJECT(doc[selector], j, fragment[i]) && empty; |
| } |
| } |
| if (empty) |
| { |
| delete doc[selector]; |
| return true; |
| } |
| } |
| else if (nodeEqual(doc[selector], fragment)) { |
| delete doc[selector]; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| function nodeEqual(node1, node2) { |
| if (typeof node1 != typeof node2) |
| return false; |
| else if (typeof node1 == 'string') { |
| node2 = escapeRE(node2).replace(new RegExp("\\$[a-zA-Z0-9-_]+","gm"),"(.*?)"); |
| return new RegExp('^' + node2 + '$').test(node1); |
| } |
| else { |
| for (var key in node2) { |
| if (!nodeEqual(node1[key], node2[key])) return false; |
| } |
| return true; |
| } |
| } |
| |
| // escape string for use in regex |
| function escapeRE(str) { |
| return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\$&"); |
| }; |