Line data    Source code

       1             : /**********************************************************************
       2             :  *
       3             :  * Project:  GML Reader
       4             :  * Purpose:  Implementation of GMLReadState class.
       5             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       6             :  *
       7             :  **********************************************************************
       8             :  * Copyright (c) 2002, Frank Warmerdam
       9             :  * Copyright (c) 2011, Even Rouault <even dot rouault at spatialys.com>
      10             :  *
      11             :  * Permission is hereby granted, free of charge, to any person obtaining a
      12             :  * copy of this software and associated documentation files (the "Software"),
      13             :  * to deal in the Software without restriction, including without limitation
      14             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      15             :  * and/or sell copies of the Software, and to permit persons to whom the
      16             :  * Software is furnished to do so, subject to the following conditions:
      17             :  *
      18             :  * The above copyright notice and this permission notice shall be included
      19             :  * in all copies or substantial portions of the Software.
      20             :  *
      21             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      22             :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      23             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
      24             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      25             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      26             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      27             :  * DEALINGS IN THE SOFTWARE.
      28             :  ****************************************************************************/
      29             : 
      30             : #include "cpl_port.h"
      31             : #include "gmlreaderp.h"
      32             : 
      33             : #include <cstddef>
      34             : #include <memory>
      35             : #include <string>
      36             : #include <vector>
      37             : 
      38             : #include "cpl_conv.h"
      39             : #include "cpl_error.h"
      40             : #include "cpl_string.h"
      41             : 
      42             : /************************************************************************/
      43             : /*                            GMLReadState()                            */
      44             : /************************************************************************/
      45             : 
      46         777 : GMLReadState::GMLReadState()
      47         777 :     : m_poFeature(nullptr), m_poParentState(nullptr), m_nPathLength(0)
      48             : {
      49         777 : }
      50             : 
      51             : /************************************************************************/
      52             : /*                           ~GMLReadState()                            */
      53             : /************************************************************************/
      54             : 
      55         777 : GMLReadState::~GMLReadState()
      56             : {
      57         777 : }
      58             : 
      59             : /************************************************************************/
      60             : /*                              Reset()                                 */
      61             : /************************************************************************/
      62             : 
      63        2965 : void GMLReadState::Reset()
      64             : {
      65        2965 :     m_poFeature = nullptr;
      66        2965 :     m_poParentState = nullptr;
      67             : 
      68        2965 :     osPath.resize(0);
      69        2965 :     m_nPathLength = 0;
      70        2965 : }
      71             : 
      72             : /************************************************************************/
      73             : /*                              PushPath()                              */
      74             : /************************************************************************/
      75             : 
      76       14722 : void GMLReadState::PushPath(const char *pszElement, int nLen)
      77             : 
      78             : {
      79       14722 :     if (m_nPathLength > 0)
      80        5156 :         osPath.append(1, '|');
      81       14722 :     if (m_nPathLength < static_cast<int>(aosPathComponents.size()))
      82             :     {
      83       13314 :         if (nLen >= 0)
      84             :         {
      85       13031 :             aosPathComponents[m_nPathLength].assign(pszElement, nLen);
      86       13031 :             osPath.append(pszElement, nLen);
      87             :         }
      88             :         else
      89             :         {
      90         283 :             aosPathComponents[m_nPathLength].assign(pszElement);
      91         283 :             osPath.append(pszElement);
      92             :         }
      93             :     }
      94             :     else
      95             :     {
      96        1408 :         aosPathComponents.push_back(pszElement);
      97        1408 :         osPath.append(pszElement);
      98             :     }
      99       14722 :     m_nPathLength++;
     100       14722 : }
     101             : 
     102             : /************************************************************************/
     103             : /*                              PopPath()                               */
     104             : /************************************************************************/
     105             : 
     106       14641 : void GMLReadState::PopPath()
     107             : 
     108             : {
     109       14641 :     CPLAssert(m_nPathLength > 0);
     110             : 
     111       29282 :     osPath.resize(osPath.size() - (aosPathComponents[m_nPathLength - 1].size() +
     112       14641 :                                    ((m_nPathLength > 1) ? 1 : 0)));
     113       14641 :     m_nPathLength--;
     114       14641 : }