blob: 02af836235fd7725804947e453b2dd24ed72c11e [file] [log] [blame]
/*
*
* 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, "\$&");
};