/* <auto_header>
 * <FILENAME>
 * 
 * INTEL CONFIDENTIAL
 * Copyright © 2011 Intel 
 * Corporation All Rights Reserved.
 * 
 * The source code contained or described herein and all documents related to
 * the source code ("Material") are owned by Intel Corporation or its suppliers
 * or licensors. Title to the Material remains with Intel Corporation or its
 * suppliers and licensors. The Material contains trade secrets and proprietary
 * and confidential information of Intel or its suppliers and licensors. The
 * Material is protected by worldwide copyright and trade secret laws and
 * treaty provisions. No part of the Material may be used, copied, reproduced,
 * modified, published, uploaded, posted, transmitted, distributed, or
 * disclosed in any way without Intel’s prior express written permission.
 * 
 * No license under any patent, copyright, trade secret or other intellectual
 * property right is granted to or conferred upon you by disclosure or delivery
 * of the Materials, either expressly, by implication, inducement, estoppel or
 * otherwise. Any license under such intellectual property rights must be
 * express and approved by Intel in writing.
 * 
 *  AUTHOR: Patrick Benavoli (patrickx.benavoli@intel.com)
 * CREATED: 2011-06-01
 * UPDATED: 2011-07-27
 * 
 * 
 * </auto_header>
 */
#include "PathNavigator.h"
#include "Tokenizer.h"

CPathNavigator::CPathNavigator(const string& strPath) : _uiCurrentIndex(0)
{
    init(strPath);
}

void CPathNavigator::init(const string& strPath)
{
    Tokenizer tokenizer(strPath, "/");

    _astrItems = tokenizer.split();

    _bValid = checkPathFormat(strPath);
}

bool CPathNavigator::isPathValid() const
{
    return _bValid;
}

string* CPathNavigator::next()
{
    if (_uiCurrentIndex < _astrItems.size()) {

        return &_astrItems[_uiCurrentIndex++];
    }

    return NULL;
}

string CPathNavigator::getCurrentPath() const
{
    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 string& strUpl)
{
    return strUpl[0] == '/';
}