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BaseReader.hh
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34 
35 /*===========================================================================*\
36  * *
37  * $Revision: 752 $ *
38  * $Date: 2012-10-18 13:09:34 +0200 (Do, 18 Okt 2012) $ *
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40 \*===========================================================================*/
41 
42 
43 //=============================================================================
44 //
45 // Implements the baseclass for IOManager file access modules
46 //
47 //=============================================================================
48 
49 
50 #ifndef __BASEREADER_HH__
51 #define __BASEREADER_HH__
52 
53 
54 //=== INCLUDES ================================================================
55 
56 
57 // STD C++
58 #include <iostream>
59 #include <string>
60 #include <cctype>
61 
62 // OpenMesh
63 #include <OpenMesh/Core/System/config.h>
64 #include <OpenMesh/Core/IO/Options.hh>
65 #include <OpenMesh/Core/IO/importer/BaseImporter.hh>
66 #include <OpenMesh/Core/Utils/SingletonT.hh>
67 
68 
69 //== NAMESPACES ===============================================================
70 
71 
72 namespace OpenMesh {
73 namespace IO {
74 
75 
76 //=== IMPLEMENTATION ==========================================================
77 
78 
85 class OPENMESHDLLEXPORT BaseReader
86 {
87 public:
88 
90  virtual ~BaseReader() {};
91 
93  virtual std::string get_description() const = 0;
94 
98  virtual std::string get_extensions() const = 0;
99 
101  virtual std::string get_magic() const { return std::string(""); }
102 
103 
111  virtual bool read(const std::string& _filename,
112  BaseImporter& _bi,
113  Options& _opt) = 0;
114 
121  virtual bool read(std::istream& _is,
122  BaseImporter& _bi,
123  Options& _opt) = 0;
124 
125 
127  virtual bool can_u_read(const std::string& _filename) const;
128 
129 
130 protected:
131 
132  // case insensitive search for _ext in _fname.
133  bool check_extension(const std::string& _fname,
134  const std::string& _ext) const;
135 };
136 
137 
145 static inline std::string &left_trim(std::string &_string) {
146  _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
147  return _string;
148 }
149 
157 static inline std::string &right_trim(std::string &_string) {
158  _string.erase(std::find_if(_string.rbegin(), _string.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), _string.end());
159  return _string;
160 }
161 
169 static inline std::string &trim(std::string &_string) {
170  return left_trim(right_trim(_string));
171 }
172 
173 
174 
175 //=============================================================================
176 } // namespace IO
177 } // namespace OpenMesh
178 //=============================================================================
179 #endif
180 //=============================================================================

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