342 lines
10 KiB
C++
342 lines
10 KiB
C++
/* ========================================================================= *
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* *
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* OpenMesh *
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* Copyright (c) 2001-2015, RWTH-Aachen University *
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* Department of Computer Graphics and Multimedia *
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* All rights reserved. *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* This file is part of OpenMesh. *
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*---------------------------------------------------------------------------*
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* *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted provided that the following conditions *
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* are met: *
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* *
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* 1. Redistributions of source code must retain the above copyright notice, *
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* this list of conditions and the following disclaimer. *
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* *
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* 2. Redistributions in binary form must reproduce the above copyright *
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* notice, this list of conditions and the following disclaimer in the *
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* documentation and/or other materials provided with the distribution. *
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* *
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* 3. Neither the name of the copyright holder nor the names of its *
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* contributors may be used to endorse or promote products derived from *
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* this software without specific prior written permission. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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* *
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* ========================================================================= */
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/*===========================================================================*\
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* *
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* $Revision$ *
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* $Date$ *
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* *
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\*===========================================================================*/
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//=============================================================================
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//
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// Implements the OpenMesh IOManager singleton
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//
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//=============================================================================
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//== INCLUDES =================================================================
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#include <OpenMesh/Core/IO/IOManager.hh>
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#include <iostream>
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace IO {
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//=============================================================================
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// Destructor never called. Moved into singleton getter function
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// _IOManager_ *__IOManager_instance = 0;
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_IOManager_& IOManager()
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{
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static _IOManager_ __IOManager_instance;
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//if (!__IOManager_instance)
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// __IOManager_instance = new _IOManager_();
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return __IOManager_instance;
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}
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//-----------------------------------------------------------------------------
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bool
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_IOManager_::
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read(const std::string& _filename, BaseImporter& _bi, Options& _opt)
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{
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std::set<BaseReader*>::const_iterator it = reader_modules_.begin();
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std::set<BaseReader*>::const_iterator it_end = reader_modules_.end();
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if( it == it_end )
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{
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omerr() << "[OpenMesh::IO::_IOManager_] No reading modules available!\n";
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return false;
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}
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// Try all registered modules
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for(; it != it_end; ++it)
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if ((*it)->can_u_read(_filename))
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{
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_bi.prepare();
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bool ok = (*it)->read(_filename, _bi, _opt);
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_bi.finish();
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return ok;
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}
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// All modules failed to read
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return false;
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}
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//-----------------------------------------------------------------------------
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bool
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_IOManager_::
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read(std::istream& _is, const std::string& _ext, BaseImporter& _bi, Options& _opt)
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{
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std::set<BaseReader*>::const_iterator it = reader_modules_.begin();
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std::set<BaseReader*>::const_iterator it_end = reader_modules_.end();
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// Try all registered modules
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for(; it != it_end; ++it)
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if ((*it)->BaseReader::can_u_read(_ext)) //Use the extension check only (no file existence)
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{
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_bi.prepare();
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bool ok = (*it)->read(_is, _bi, _opt);
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_bi.finish();
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return ok;
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}
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// All modules failed to read
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return false;
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}
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//-----------------------------------------------------------------------------
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bool
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_IOManager_::
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write(const std::string& _filename, BaseExporter& _be, Options _opt, std::streamsize _precision)
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{
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std::set<BaseWriter*>::const_iterator it = writer_modules_.begin();
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std::set<BaseWriter*>::const_iterator it_end = writer_modules_.end();
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if ( it == it_end )
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{
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omerr() << "[OpenMesh::IO::_IOManager_] No writing modules available!\n";
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return false;
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}
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// Try all registered modules
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for(; it != it_end; ++it)
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{
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if ((*it)->can_u_write(_filename))
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{
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return (*it)->write(_filename, _be, _opt, _precision);
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}
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}
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// All modules failed to save
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return false;
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}
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//-----------------------------------------------------------------------------
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bool
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_IOManager_::
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write(std::ostream& _os,const std::string &_ext, BaseExporter& _be, Options _opt, std::streamsize _precision)
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{
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std::set<BaseWriter*>::const_iterator it = writer_modules_.begin();
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std::set<BaseWriter*>::const_iterator it_end = writer_modules_.end();
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if ( it == it_end )
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{
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omerr() << "[OpenMesh::IO::_IOManager_] No writing modules available!\n";
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return false;
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}
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// Try all registered modules
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for(; it != it_end; ++it)
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{
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if ((*it)->BaseWriter::can_u_write(_ext)) //Restrict test to the extension check
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{
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return (*it)->write(_os, _be, _opt, _precision);
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}
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}
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// All modules failed to save
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return false;
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}
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//-----------------------------------------------------------------------------
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bool
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_IOManager_::
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can_read( const std::string& _format ) const
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{
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std::set<BaseReader*>::const_iterator it = reader_modules_.begin();
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std::set<BaseReader*>::const_iterator it_end = reader_modules_.end();
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std::string filename = "dummy." + _format;
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for(; it != it_end; ++it)
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if ((*it)->can_u_read(filename))
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return true;
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return false;
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}
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//-----------------------------------------------------------------------------
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bool
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_IOManager_::
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can_write( const std::string& _format ) const
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{
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std::set<BaseWriter*>::const_iterator it = writer_modules_.begin();
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std::set<BaseWriter*>::const_iterator it_end = writer_modules_.end();
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std::string filename = "dummy." + _format;
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// Try all registered modules
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for(; it != it_end; ++it)
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if ((*it)->can_u_write(filename))
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return true;
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return false;
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}
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//-----------------------------------------------------------------------------
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const BaseWriter*
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_IOManager_::
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find_writer(const std::string& _format)
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{
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using std::string;
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string::size_type dot = _format.rfind('.');
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string ext;
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if (dot == string::npos)
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ext = _format;
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else
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ext = _format.substr(dot+1,_format.length()-(dot+1));
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std::set<BaseWriter*>::const_iterator it = writer_modules_.begin();
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std::set<BaseWriter*>::const_iterator it_end = writer_modules_.end();
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std::string filename = "dummy." + ext;
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// Try all registered modules
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for(; it != it_end; ++it)
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if ((*it)->can_u_write(filename))
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return *it;
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return NULL;
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}
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//-----------------------------------------------------------------------------
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void
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_IOManager_::
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update_read_filters()
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{
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std::set<BaseReader*>::const_iterator it = reader_modules_.begin(),
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it_end = reader_modules_.end();
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std::string all = "";
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std::string filters = "";
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for(; it != it_end; ++it)
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{
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// Initialized with space, as a workaround for debug build with clang on mac
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// which crashes if tmp is initialized with an empty string ?!
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std::string tmp = " ";
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filters += (*it)->get_description() + " (";
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std::istringstream iss((*it)->get_extensions());
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while (iss && !iss.eof() && (iss >> tmp) )
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{
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tmp = " *." + tmp; filters += tmp; all += tmp;
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}
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filters += " );;";
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}
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all = "All files ( " + all + " );;";
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read_filters_ = all + filters;
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}
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//-----------------------------------------------------------------------------
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void
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_IOManager_::
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update_write_filters()
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{
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std::set<BaseWriter*>::const_iterator it = writer_modules_.begin(),
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it_end = writer_modules_.end();
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std::string all;
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std::string filters;
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for(; it != it_end; ++it)
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{
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// Initialized with space, as a workaround for debug build with clang on mac
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// which crashes if tmp is initialized with an empty string ?!
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std::string s = " ";
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filters += (*it)->get_description() + " (";
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std::istringstream iss((*it)->get_extensions());
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while (iss && !iss.eof() && (iss >> s))
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{ s = " *." + s; filters += s; all += s; }
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filters += " );;";
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}
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all = "All files ( " + all + " );;";
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write_filters_ = all + filters;
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}
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//=============================================================================
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} // namespace IO
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} // namespace OpenMesh
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//=============================================================================
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