1 /* 2 * Copyright (c) 2011-2014, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 #include "ElementLocator.h" 31 #include "PathNavigator.h" 32 33 using std::string; 34 35 CElementLocator::CElementLocator(CElement* pSubRootElement, bool bStrict) : _pSubRootElement(pSubRootElement), _bStrict(bStrict) 36 { 37 } 38 39 // Locate element 40 bool CElementLocator::locate(const string& strPath, CElement** ppElement, string& strError) 41 { 42 CPathNavigator pathNavigator(strPath); 43 44 if (!pathNavigator.isPathValid()) { 45 46 strError = "Invalid Path"; 47 48 return false; 49 } 50 51 // Sub root element? 52 string* pStrChildName = pathNavigator.next(); 53 54 if (!pStrChildName) { 55 56 if (_bStrict) { 57 58 strError = "Path not found: " + strPath; 59 60 return false; 61 } 62 // Empty path 63 return true; 64 } 65 66 if (*pStrChildName != _pSubRootElement->getName()) { 67 68 strError = "Path not found: " + strPath; 69 70 return false; 71 } 72 73 // Find in tree 74 *ppElement = _pSubRootElement->findDescendant(pathNavigator); 75 76 if (!*ppElement) { 77 78 strError = "Path not found: " + strPath; 79 80 return false; 81 } 82 83 return true; 84 } 85 86