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BaseReader.hh
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//=============================================================================
//
// Implements the baseclass for IOManager file access modules
//
//=============================================================================
#pragma once
//=== INCLUDES ================================================================
// STD C++
#include <iosfwd>
#include <string>
#include <cctype>
#include <functional>
#include <algorithm>
// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/IO/Options.hh>
#include <OpenMesh/Core/IO/importer/BaseImporter.hh>
#include <OpenMesh/Core/Utils/SingletonT.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== IMPLEMENTATION ==========================================================
class OPENMESHDLLEXPORT BaseReader
{
public:
virtual ~BaseReader() {}
virtual std::string get_description() const = 0;
virtual std::string get_extensions() const = 0;
virtual std::string get_magic() const { return std::string(""); }
virtual bool read(const std::string& _filename,
BaseImporter& _bi,
Options& _opt) = 0;
virtual bool read(std::istream& _is,
BaseImporter& _bi,
Options& _opt) = 0;
virtual bool can_u_read(const std::string& _filename) const;
protected:
// case insensitive search for _ext in _fname.
bool check_extension(const std::string& _fname,
const std::string& _ext) const;
};
static inline std::string &left_trim(std::string &_string) {
// Find out if the compiler supports CXX11
#if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L )
// as with CXX11 we can use lambda expressions
_string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), [](int i)->int { return ! std::isspace(i); }));
#else
// we do what we did before
_string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
#endif
return _string;
}
static inline std::string &right_trim(std::string &_string) {
// Find out if the compiler supports CXX11
#if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L )
// as with CXX11 we can use lambda expressions
_string.erase(std::find_if(_string.rbegin(), _string.rend(), [](int i)->int { return ! std::isspace(i); } ).base(), _string.end());
#else
// we do what we did before
_string.erase(std::find_if(_string.rbegin(), _string.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), _string.end());
#endif
return _string;
}
static inline std::string &trim(std::string &_string) {
return left_trim(right_trim(_string));
}
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:59
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition BaseImporter.hh:84
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition Options.hh:91
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition BaseReader.hh:87
OpenMesh::IO::BaseReader::read
virtual bool read(std::istream &_is, BaseImporter &_bi, Options &_opt)=0
Reads a mesh given by a std::stream.
OpenMesh::IO::BaseReader::get_description
virtual std::string get_description() const =0
Returns a brief description of the file type that can be parsed.
OpenMesh::IO::BaseReader::get_extensions
virtual std::string get_extensions() const =0
Returns a string with the accepted file extensions separated by a whitespace and in small caps.
OpenMesh::IO::BaseReader::get_magic
virtual std::string get_magic() const
Return magic bits used to determine file format.
Definition BaseReader.hh:102
OpenMesh::IO::BaseReader::read
virtual bool read(const std::string &_filename, BaseImporter &_bi, Options &_opt)=0
Reads a mesh given by a filename.
OpenMesh::IO::BaseReader::~BaseReader
virtual ~BaseReader()
Destructor.
Definition BaseReader.hh:91