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86 lines
2.6 KiB
86 lines
2.6 KiB
/*
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* Copyright (c) 2011-2014, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "ElementLocator.h"
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#include "PathNavigator.h"
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using std::string;
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CElementLocator::CElementLocator(CElement *pSubRootElement, bool bStrict)
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: _pSubRootElement(pSubRootElement), _bStrict(bStrict)
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{
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}
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// Locate element
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bool CElementLocator::locate(const string &strPath, CElement **ppElement, string &strError)
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{
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CPathNavigator pathNavigator(strPath);
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if (!pathNavigator.isPathValid()) {
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strError = "Invalid Path";
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return false;
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}
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// Sub root element?
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string *pStrChildName = pathNavigator.next();
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if (!pStrChildName) {
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if (_bStrict) {
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strError = "Path not found: " + strPath;
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return false;
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}
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// Empty path
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return true;
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}
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if (*pStrChildName != _pSubRootElement->getName()) {
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strError = "Path not found: " + strPath;
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return false;
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}
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// Find in tree
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*ppElement = _pSubRootElement->findDescendant(pathNavigator);
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if (!*ppElement) {
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strError = "Path not found: " + strPath;
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return false;
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}
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return true;
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}
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