Mesh Oriented datABase  (version 5.5.1)
An array-based unstructured mesh library
ReaderWriterSet.cpp
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1 /**
2  * MOAB, a Mesh-Oriented datABase, is a software component for creating,
3  * storing and accessing finite element mesh data.
4  *
5  * Copyright 2004 Sandia Corporation. Under the terms of Contract
6  * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government
7  * retains certain rights in this software.
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  */
15 
16 #include "moab/Core.hpp"
17 
18 #include "moab/ReaderWriterSet.hpp"
19 #include "moab/ReaderIface.hpp"
20 #include "moab/WriterIface.hpp"
21 
22 #include "ReadVtk.hpp"
23 #include "ReadSTL.hpp"
24 #include "ReadGmsh.hpp"
25 #include "ReadIDEAS.hpp"
26 #include "ReadMCNP5.hpp"
27 #include "ReadOBJ.hpp"
28 #include "ReadNASTRAN.hpp"
29 #include "ReadRTT.hpp"
30 #include "ReadABAQUS.hpp"
31 #include "ReadSms.hpp"
32 #include "Tqdcfr.hpp"
33 #include "ReadTetGen.hpp"
34 #include "ReadSmf.hpp"
35 #include "ReadTemplate.hpp"
36 
37 #include "WriteAns.hpp"
38 #include "WriteVtk.hpp"
39 #include "WriteGMV.hpp"
40 #include "WriteSTL.hpp"
41 #include "WriteGmsh.hpp"
42 #include "WriteSmf.hpp"
43 #include "WriteTemplate.hpp"
44 
45 #ifdef MOAB_HAVE_NETCDF
46 #include "ReadNCDF.hpp"
47 #include "WriteNCDF.hpp"
48 #include "WriteNC.hpp"
49 #include "WriteSLAC.hpp"
50 #include "ReadNC.hpp"
51 #endif
52 
53 // 2nd include of ReadNC in case we have pnetcdf and not netcdf
54 #if defined( MOAB_HAVE_PNETCDF ) && !defined( MOAB_HAVE_NETCDF )
55 #include "ReadNC.hpp"
56 #endif
57 
58 #ifdef MOAB_HAVE_CGNS
59 #include "ReadCGNS.hpp"
60 #include "WriteCGNS.hpp"
61 #endif
62 
63 #ifdef MOAB_HAVE_CCMIO
64 #include "ReadCCMIO.hpp"
65 #include "WriteCCMIO.hpp"
66 #endif
67 
68 #ifdef MOAB_HAVE_DAMSEL
69 #include "WriteDamsel.hpp"
70 #include "ReadDamsel.hpp"
71 #endif
72 
73 #ifdef MOAB_HAVE_HDF5
74 #include "ReadHDF5.hpp"
75 #ifdef MOAB_HAVE_HDF5_PARALLEL
76 #include "WriteHDF5Parallel.hpp"
77 #else
78 #include "WriteHDF5.hpp"
79 #endif
80 #endif
81 
82 #include <algorithm>
83 
84 namespace moab
85 {
86 
87 ReaderWriterSet::ReaderWriterSet( Core* mdb ) : mbCore( mdb )
88 {
89 #ifdef MOAB_HAVE_HDF5
90  const char* hdf5_sufxs[] = { "h5m", "mhdf", NULL };
91 #ifdef MOAB_HAVE_HDF5_PARALLEL
92  register_factory( ReadHDF5::factory, WriteHDF5Parallel::factory, "MOAB native (HDF5)", hdf5_sufxs, "MOAB" );
93 #else
94  register_factory( ReadHDF5::factory, WriteHDF5::factory, "MOAB native (HDF5)", hdf5_sufxs, "MOAB" );
95 #endif
96 #endif
97 
98 #ifdef MOAB_HAVE_NETCDF
99  const char* exo_sufxs[] = { "exo", "exoII", "exo2", "g", "gen", NULL };
100  register_factory( ReadNCDF::factory, WriteNCDF::factory, "Exodus II", exo_sufxs, "EXODUS" );
101  register_factory( ReadNC::factory, WriteNC::factory, "Climate NC", "nc", "NC" );
102 #endif
103 
104 #ifdef MOAB_HAVE_CGNS
105  const char* cgns_sufxs[] = { "cgns", NULL };
106  register_factory( ReadCGNS::factory, WriteCGNS::factory, "CGNS", cgns_sufxs, "CGNS" );
107 #endif
108 
109  register_factory( ReadIDEAS::factory, NULL, "IDEAS format", "unv", "UNV" );
110 
111  register_factory( ReadMCNP5::factory, NULL, "MCNP5 format", "meshtal", "MESHTAL" );
112 
113  const char* nastran_sufxs[] = { "nas", "bdf", NULL };
114  register_factory( ReadNASTRAN::factory, NULL, "NASTRAN format", nastran_sufxs, "NAS" );
115 
116  register_factory( ReadABAQUS::factory, NULL, "ABAQUS INP mesh format", "abq", "Abaqus mesh" );
117 
118  register_factory( ReadRTT::factory, NULL, "RTT Mesh Format", "rtt", "Atilla RTT Mesh" );
119 
120  register_factory( ReadVtk::factory, WriteVtk::factory, "Kitware VTK", "vtk", "VTK" );
121 
122  register_factory( ReadOBJ::factory, NULL, "OBJ mesh format", "obj", "OBJ mesh" );
123 
124  register_factory( ReadSms::factory, NULL, "RPI SMS", "sms", "SMS" );
125 
126  register_factory( Tqdcfr::factory, NULL, "Cubit", "cub", "CUBIT" );
127 
128  register_factory( ReadSmf::factory, WriteSmf::factory, "QSlim format", "smf", "SMF" );
129 
130 #ifdef MOAB_HAVE_NETCDF
131  register_factory( NULL, WriteSLAC::factory, "SLAC", "slac", "SLAC" );
132 #endif
133 
134 #ifdef MOAB_HAVE_CCMIO
135  const char* ccmio_sufxs[] = { "ccm", "ccmg", NULL };
136  register_factory( ReadCCMIO::factory, WriteCCMIO::factory, "CCMIO files", ccmio_sufxs, "CCMIO" );
137 #endif
138 
139 #ifdef MOAB_HAVE_DAMSEL
140  const char* damsel_sufxs[] = { "h5", NULL };
141  register_factory( ReadDamsel::factory, WriteDamsel::factory, "Damsel files", damsel_sufxs, "DAMSEL" );
142 #endif
143 
144  register_factory( NULL, WriteGMV::factory, "GMV", "gmv", "GMV" );
145 
146  register_factory( NULL, WriteAns::factory, "Ansys", "ans", "ANSYS" );
147 
148  const char* gmsh_sufxs[] = { "msh", "gmsh", NULL };
149  register_factory( ReadGmsh::factory, WriteGmsh::factory, "Gmsh mesh file", gmsh_sufxs, "GMSH" );
150 
151  register_factory( ReadSTL::factory, WriteSTL::factory, "Stereo Lithography File (STL)", "stl", "STL" );
152 
153  const char* tetgen_sufxs[] = { "node", "ele", "face", "edge", NULL };
154  register_factory( ReadTetGen::factory, 0, "TetGen output files", tetgen_sufxs, "TETGEN" );
155 
156  const char* template_sufxs[] = { NULL };
157  register_factory( ReadTemplate::factory, WriteTemplate::factory, "Template input files", template_sufxs,
158  "TEMPLATE" );
159 }
160 
161 ReaderWriterSet::~ReaderWriterSet() {}
162 
163 ErrorCode ReaderWriterSet::register_factory( reader_factory_t reader,
164  writer_factory_t writer,
165  const char* description,
166  const char* const* extensions,
167  const char* name )
168 {
169  if( !reader && !writer ) return MB_FAILURE;
170 
171  // check for duplicate names
172  iterator h = handler_by_name( name );
173  if( h != end() )
174  {
175  MB_SET_ERR( MB_FAILURE, "Conflicting string name for file formats: \"" << name << "\"" );
176  }
177 
178  // count extensions and check for duplicates
179  const char* const* iter;
180  for( iter = extensions; *iter; ++iter )
181  {
182  h = handler_from_extension( *iter );
183  if( h != end() )
184  {
185  if( NULL != reader && h->have_reader() )
186  MB_SET_ERR( MB_FAILURE, "Conflicting readers for file extension \""
187  << *iter << "\": \"" << h->description() << "\" and \"" << description
188  << "\"." );
189  else if( NULL != writer && h->have_writer() )
190  MB_SET_ERR( MB_FAILURE, "Conflicting writers for file extension \""
191  << *iter << "\": \"" << h->description() << "\" and \"" << description
192  << "\"." );
193  }
194  }
195  handlerList.push_back( Handler( reader, writer, name, description, extensions, iter - extensions ) );
196  return MB_SUCCESS;
197 }
198 
199 ErrorCode ReaderWriterSet::register_factory( reader_factory_t reader,
200  writer_factory_t writer,
201  const char* description,
202  const char* extension,
203  const char* name )
204 {
205  const char* extensions[2] = { extension, NULL };
206  return register_factory( reader, writer, description, extensions, name );
207 }
208 
209 ReaderIface* ReaderWriterSet::get_file_extension_reader( const std::string& filename ) const
210 {
211  std::string ext = extension_from_filename( filename );
212  iterator handler = handler_from_extension( ext, true, false );
213  return handler == end() ? NULL : handler->make_reader( mbCore );
214 }
215 
216 WriterIface* ReaderWriterSet::get_file_extension_writer( const std::string& filename ) const
217 {
218  std::string ext = extension_from_filename( filename );
219  iterator handler = handler_from_extension( ext, false, true );
220  return handler == end() ? NULL : handler->make_writer( mbCore );
221 }
222 
223 std::string ReaderWriterSet::extension_from_filename( const std::string& filename )
224 {
225  std::string::size_type idx = filename.find_last_of( "." );
226  std::string::size_type idirx = filename.find_last_of( "\\/" );
227 
228  if( idx == std::string::npos ) return std::string( "" );
229  if( ( idirx != std::string::npos ) && ( idirx > idx ) ) return std::string( "" );
230  return filename.substr( idx + 1 );
231 }
232 
233 ReaderWriterSet::Handler::Handler( reader_factory_t read_f,
234  writer_factory_t write_f,
235  const char* nm,
236  const char* desc,
237  const char* const* ext,
238  int num_ext )
239  : mReader( read_f ), mWriter( write_f ), mName( nm ), mDescription( desc ), mExtensions( num_ext )
240 {
241  for( int i = 0; i < num_ext; ++i )
242  mExtensions[i] = ext[i];
243 }
244 
245 #ifdef WIN32
246 #define strcasecmp( A, B ) _stricmp( A, B )
247 #endif
248 
249 ReaderWriterSet::iterator ReaderWriterSet::handler_from_extension( const std::string& ext,
250  bool with_reader,
251  bool with_writer ) const
252 {
253  iterator iter;
254  std::vector< std::string >::const_iterator siter;
255 
256  // try case-sensitive compare
257  for( iter = begin(); iter != end(); ++iter )
258  {
259  if( ( with_reader && !iter->have_reader() ) || ( with_writer && !iter->have_writer() ) ) continue;
260 
261  for( siter = iter->mExtensions.begin(); siter != iter->mExtensions.end(); ++siter )
262  if( *siter == ext ) return iter;
263  }
264 
265  // try case-insensitive compare
266  for( iter = begin(); iter != end(); ++iter )
267  {
268  if( ( with_reader && !iter->have_reader() ) || ( with_writer && !iter->have_writer() ) ) continue;
269 
270  for( siter = iter->mExtensions.begin(); siter != iter->mExtensions.end(); ++siter )
271  if( 0 == strcasecmp( siter->c_str(), ext.c_str() ) ) return iter;
272  }
273 
274  return end();
275 }
276 
277 bool ReaderWriterSet::Handler::reads_extension( const char* ext ) const
278 {
279  if( !have_reader() ) return false;
280 
281  std::vector< std::string >::const_iterator siter;
282  for( siter = mExtensions.begin(); siter != mExtensions.end(); ++siter )
283  if( !( *siter ).compare( ext ) )
284  return true;
285  else if( 0 == strcasecmp( siter->c_str(), ext ) )
286  return true;
287 
288  return false;
289 }
290 
291 bool ReaderWriterSet::Handler::writes_extension( const char* ext ) const
292 {
293  if( !have_writer() ) return false;
294 
295  std::vector< std::string >::const_iterator siter;
296  for( siter = mExtensions.begin(); siter != mExtensions.end(); ++siter )
297  if( !( *siter ).compare( ext ) )
298  return true;
299  else if( 0 == strcasecmp( siter->c_str(), ext ) )
300  return true;
301 
302  return false;
303 }
304 
305 ReaderWriterSet::iterator ReaderWriterSet::handler_by_name( const char* nm ) const
306 {
307  return std::find( begin(), end(), nm );
308 }
309 
310 bool ReaderWriterSet::Handler::operator==( const char* nm ) const
311 {
312  // do case-insensitive comparison
313  std::string::const_iterator siter = mName.begin();
314  for( ; *nm; ++nm, ++siter )
315  if( siter == mName.end() || tolower( *nm ) != tolower( *siter ) ) return false;
316  return *nm == '\0';
317 }
318 
319 } // namespace moab