Line data    Source code

       1             : /*******************************************************************************
       2             :  *  Project: libopencad
       3             :  *  Purpose: OpenSource CAD formats support library
       4             :  *  Author: Alexandr Borzykh, mush3d at gmail.com
       5             :  *  Author: Dmitry Baryshnikov, bishop.dev@gmail.com
       6             :  *  Language: C++
       7             :  *******************************************************************************
       8             :  *  The MIT License (MIT)
       9             :  *
      10             :  *  Copyright (c) 2016 Alexandr Borzykh
      11             :  *  Copyright (c) 2016-2019 NextGIS, <info@nextgis.com>
      12             :  *
      13             :  *  Permission is hereby granted, free of charge, to any person obtaining a copy
      14             :  *  of this software and associated documentation files (the "Software"), to deal
      15             :  *  in the Software without restriction, including without limitation the rights
      16             :  *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      17             :  *  copies of the Software, and to permit persons to whom the Software is
      18             :  *  furnished to do so, subject to the following conditions:
      19             :  *
      20             :  *  The above copyright notice and this permission notice shall be included in all
      21             :  *  copies or substantial portions of the Software.
      22             :  *
      23             :  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      24             :  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      25             :  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      26             :  *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      27             :  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      28             :  *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      29             :  *  SOFTWARE.
      30             :  *******************************************************************************/
      31             : #include "cadfile.h"
      32             : #include "opencad_api.h"
      33             : 
      34             : #include <iostream>
      35             : 
      36           8 : CADFile::CADFile( CADFileIO * poFileIO ) :
      37             :     pFileIO( poFileIO ),
      38           8 :     bReadingUnsupportedGeometries( false )
      39             : {
      40           8 : }
      41             : 
      42           8 : CADFile::~CADFile()
      43             : {
      44           8 :     if( nullptr != pFileIO )
      45             :     {
      46           8 :         pFileIO->Close();
      47           8 :         delete pFileIO;
      48             :     }
      49           8 : }
      50             : 
      51          16 : const CADHeader& CADFile::getHeader() const
      52             : {
      53          16 :     return oHeader;
      54             : }
      55             : 
      56           0 : const CADClasses& CADFile::getClasses() const
      57             : {
      58           0 :     return oClasses;
      59             : }
      60             : 
      61           0 : const CADTables& CADFile::getTables() const
      62             : {
      63           0 :     return oTables;
      64             : }
      65             : 
      66           8 : int CADFile::ParseFile( enum OpenOptions eOptions, bool bReadUnsupportedGeometries )
      67             : {
      68           8 :     if( nullptr == pFileIO )
      69           0 :         return CADErrorCodes::FILE_OPEN_FAILED;
      70             : 
      71           8 :     if( !pFileIO->IsOpened() )
      72             :     {
      73           0 :         if( !pFileIO->Open( CADFileIO::in | CADFileIO::binary ) )
      74           0 :             return CADErrorCodes::FILE_OPEN_FAILED;
      75             :     }
      76             : 
      77             :     // Set flag which will tell CADLayer to skip/not skip unsupported geoms
      78           8 :     bReadingUnsupportedGeometries = bReadUnsupportedGeometries;
      79             : 
      80             :     int nResultCode;
      81           8 :     nResultCode = ReadSectionLocators();
      82           8 :     if( nResultCode != CADErrorCodes::SUCCESS )
      83           0 :         return nResultCode;
      84           8 :     nResultCode = ReadHeader( eOptions );
      85           8 :     if( nResultCode != CADErrorCodes::SUCCESS )
      86           0 :         return nResultCode;
      87           8 :     nResultCode = ReadClasses( eOptions );
      88           8 :     if( nResultCode != CADErrorCodes::SUCCESS )
      89           0 :         return nResultCode;
      90           8 :     nResultCode = CreateFileMap();
      91           8 :     if( nResultCode != CADErrorCodes::SUCCESS )
      92           0 :         return nResultCode;
      93           8 :     nResultCode = ReadTables( eOptions );
      94           8 :     if( nResultCode != CADErrorCodes::SUCCESS )
      95           0 :         return nResultCode;
      96             : 
      97           8 :     return CADErrorCodes::SUCCESS;
      98             : }
      99             : 
     100           8 : int CADFile::ReadTables( CADFile::OpenOptions /*eOptions*/ )
     101             : {
     102             :     // TODO: read other tables in ALL option mode
     103             : 
     104           8 :     int nResult = oTables.ReadTable( this, CADTables::LayersTable );
     105           8 :     return nResult;
     106             : }
     107             : 
     108          26 : size_t CADFile::GetLayersCount() const
     109             : {
     110          26 :     return oTables.GetLayerCount();
     111             : }
     112             : 
     113          27 : CADLayer& CADFile::GetLayer( size_t index )
     114             : {
     115          27 :     return oTables.GetLayer( index );
     116             : }
     117             : 
     118          18 : bool CADFile::isReadingUnsupportedGeometries()
     119             : {
     120          18 :     return bReadingUnsupportedGeometries;
     121             : }