| OpenMesh

BaseReader.hh
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41
42
43
44
45 //=============================================================================
46 //
47 // Implements the baseclass for IOManager file access modules
48 //
49 //=============================================================================
50
51
52 #ifndef __BASEREADER_HH__
53 #define __BASEREADER_HH__
54
55
56 //=== INCLUDES ================================================================
57
58
59 // STD C++
60 #include <iosfwd>
61 #include <string>
62 #include <cctype>
63 #include <functional>
64 #include <algorithm>
65
66 // OpenMesh
67 #include <OpenMesh/Core/System/config.h>
68 #include <OpenMesh/Core/IO/Options.hh>
69 #include <OpenMesh/Core/IO/importer/BaseImporter.hh>
70 #include <OpenMesh/Core/Utils/SingletonT.hh>
71
72
73 //== NAMESPACES ===============================================================
74
75
76 namespace OpenMesh {
77 namespace IO {
78
79
80 //=== IMPLEMENTATION ==========================================================
81
82
89 class OPENMESHDLLEXPORT BaseReader
90 {
91 public:
92
94 virtual ~BaseReader() {};
95
97 virtual std::string get_description() const = 0;
98
102 virtual std::string get_extensions() const = 0;
103
105 virtual std::string get_magic() const { return std::string(""); }
106
107
115 virtual bool read(const std::string& _filename,
116 BaseImporter& _bi,
117 Options& _opt) = 0;
118
125 virtual bool read(std::istream& _is,
126 BaseImporter& _bi,
127 Options& _opt) = 0;
128
129
135 virtual bool can_u_read(const std::string& _filename) const;
136
137
138 protected:
139
140 // case insensitive search for _ext in _fname.
141 bool check_extension(const std::string& _fname,
142 const std::string& _ext) const;
143 };
144
145
153 static inline std::string &left_trim(std::string &_string) {
154
155 // Find out if the compiler supports CXX11
156 #if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L )
157 // as with CXX11 we can use lambda expressions
158 _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), [](int i)->int { return ! std::isspace(i); }));
159 #else
160 // we do what we did before
161 _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
162 #endif
163
164 return _string;
165 }
166
174 static inline std::string &right_trim(std::string &_string) {
175
176 // Find out if the compiler supports CXX11
177 #if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L )
178 // as with CXX11 we can use lambda expressions
179 _string.erase(std::find_if(_string.rbegin(), _string.rend(), [](int i)->int { return ! std::isspace(i); } ).base(), _string.end());
180 #else
181 // we do what we did before
182 _string.erase(std::find_if(_string.rbegin(), _string.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), _string.end());
183 #endif
184
185
186
187 return _string;
188 }
189
197 static inline std::string &trim(std::string &_string) {
198 return left_trim(right_trim(_string));
199 }
200
201
202
203 //=============================================================================
204 } // namespace IO
205 } // namespace OpenMesh
206 //=============================================================================
207 #endif
208 //=============================================================================
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition: BaseReader.hh:89
OpenMesh::IO::BaseReader::get_magic
virtual std::string get_magic() const
Return magic bits used to determine file format.
Definition: BaseReader.hh:105
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:90
OpenMesh::IO::BaseReader::~BaseReader
virtual ~BaseReader()
Destructor.
Definition: BaseReader.hh:94
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition: BaseImporter.hh:83