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/*
* 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) : _uiCurrentIndex(0)
{
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 (_uiCurrentIndex < _astrItems.size()) {
return &_astrItems[_uiCurrentIndex++];
}
return NULL;
}
std::string CPathNavigator::getCurrentPath() const
{
std::string strPath = "/";
if (!_uiCurrentIndex) {
return strPath;
}
uint32_t uiItem;
for (uiItem = 0; uiItem < _uiCurrentIndex - 1; uiItem++) {
strPath += _astrItems[uiItem] + "/";
}
strPath += _astrItems[uiItem];
return strPath;
}
bool CPathNavigator::checkPathFormat(const std::string& strUpl)
{
return strUpl[0] == '/';
}
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