| /* |
| * Copyright (c) 2011-2014, Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation and/or |
| * other materials provided with the distribution. |
| * |
| * 3. Neither the name of the copyright holder nor the names of its contributors |
| * may be used to endorse or promote products derived from this software without |
| * specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include "PathNavigator.h" |
| #include "Tokenizer.h" |
| |
| CPathNavigator::CPathNavigator(const std::string &strPath) |
| { |
| init(strPath); |
| } |
| |
| void CPathNavigator::init(const std::string &strPath) |
| { |
| Tokenizer tokenizer(strPath, "/"); |
| |
| _astrItems = tokenizer.split(); |
| |
| _bValid = checkPathFormat(strPath); |
| } |
| |
| bool CPathNavigator::isPathValid() const |
| { |
| return _bValid; |
| } |
| |
| // Navigate through |
| bool CPathNavigator::navigateThrough(const std::string &strItemName, std::string &strError) |
| { |
| if (!_bValid) { |
| |
| strError = "Path not well formed: " + getCurrentPath(); |
| |
| return false; |
| } |
| |
| std::string *pStrChildName = next(); |
| |
| if (!pStrChildName) { |
| |
| strError = |
| "Path not complete: " + getCurrentPath() + ", trying to access to " + strItemName; |
| |
| return false; |
| } |
| |
| if (*pStrChildName != strItemName) { |
| |
| strError = "Path not found: " + getCurrentPath() + ", expected: " + strItemName + |
| " but found: " + *pStrChildName; |
| |
| return false; |
| } |
| |
| return true; |
| } |
| |
| std::string *CPathNavigator::next() |
| { |
| if (_currentIndex < _astrItems.size()) { |
| |
| return &_astrItems[_currentIndex++]; |
| } |
| |
| return NULL; |
| } |
| |
| std::string CPathNavigator::getCurrentPath() const |
| { |
| std::string strPath = "/"; |
| |
| if (!_currentIndex) { |
| |
| return strPath; |
| } |
| |
| size_t item; |
| for (item = 0; item < _currentIndex - 1; item++) { |
| |
| strPath += _astrItems[item] + "/"; |
| } |
| |
| strPath += _astrItems[item]; |
| |
| return strPath; |
| } |
| |
| bool CPathNavigator::checkPathFormat(const std::string &strUpl) |
| { |
| return strUpl[0] == '/'; |
| } |