/*
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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 "PathNavigator.h"
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#include "Tokenizer.h"
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CPathNavigator::CPathNavigator(const std::string &strPath)
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{
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init(strPath);
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}
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void CPathNavigator::init(const std::string &strPath)
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{
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Tokenizer tokenizer(strPath, "/");
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_astrItems = tokenizer.split();
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_bValid = checkPathFormat(strPath);
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}
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bool CPathNavigator::isPathValid() const
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{
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return _bValid;
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}
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// Navigate through
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bool CPathNavigator::navigateThrough(const std::string &strItemName, std::string &strError)
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{
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if (!_bValid) {
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strError = "Path not well formed: " + getCurrentPath();
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return false;
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}
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std::string *pStrChildName = next();
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if (!pStrChildName) {
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strError =
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"Path not complete: " + getCurrentPath() + ", trying to access to " + strItemName;
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return false;
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}
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if (*pStrChildName != strItemName) {
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strError = "Path not found: " + getCurrentPath() + ", expected: " + strItemName +
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" but found: " + *pStrChildName;
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return false;
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}
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return true;
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}
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std::string *CPathNavigator::next()
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{
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if (_currentIndex < _astrItems.size()) {
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return &_astrItems[_currentIndex++];
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}
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return nullptr;
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}
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std::string CPathNavigator::getCurrentPath() const
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{
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std::string strPath = "/";
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if (!_currentIndex) {
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return strPath;
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}
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size_t item;
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for (item = 0; item < _currentIndex - 1; item++) {
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strPath += _astrItems[item] + "/";
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}
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strPath += _astrItems[item];
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return strPath;
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}
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bool CPathNavigator::checkPathFormat(const std::string &strUpl)
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{
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return strUpl[0] == '/';
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}
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