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BaseReader.hh
1 /*===========================================================================*\
2 * *
3 * OpenMesh *
4 * Copyright (C) 2001-2012 by Computer Graphics Group, RWTH Aachen *
5 * www.openmesh.org *
6 * *
7 *---------------------------------------------------------------------------*
8 * This file is part of OpenMesh. *
9 * *
10 * OpenMesh is free software: you can redistribute it and/or modify *
11 * it under the terms of the GNU Lesser General Public License as *
12 * published by the Free Software Foundation, either version 3 of *
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16 * If other files instantiate templates or use macros *
17 * or inline functions from this file, or you compile this file and *
18 * link it with other files to produce an executable, this file does *
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20 * GNU Lesser General Public License. This exception does not however *
21 * invalidate any other reasons why the executable file might be *
22 * covered by the GNU Lesser General Public License. *
23 * *
24 * OpenMesh is distributed in the hope that it will be useful, *
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27 * GNU Lesser General Public License for more details. *
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33 \*===========================================================================*/
34
35 /*===========================================================================*\
36 * *
37 * $Revision: 799 $ *
38 * $Date: 2013-01-30 16:22:31 +0100 (Mi, 30. Jan 2013) $ *
39 * *
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 #include <functional>
62
63 // OpenMesh
64 #include <OpenMesh/Core/System/config.h>
65 #include <OpenMesh/Core/IO/Options.hh>
66 #include <OpenMesh/Core/IO/importer/BaseImporter.hh>
67 #include <OpenMesh/Core/Utils/SingletonT.hh>
68
69
70 //== NAMESPACES ===============================================================
71
72
73 namespace OpenMesh {
74 namespace IO {
75
76
77 //=== IMPLEMENTATION ==========================================================
78
79
86 class OPENMESHDLLEXPORT BaseReader
87 {
88 public:
89
91 virtual ~BaseReader() {};
92
94 virtual std::string get_description() const = 0;
95
99 virtual std::string get_extensions() const = 0;
100
102 virtual std::string get_magic() const { return std::string(""); }
103
104
112 virtual bool read(const std::string& _filename,
113 BaseImporter& _bi,
114 Options& _opt) = 0;
115
122 virtual bool read(std::istream& _is,
123 BaseImporter& _bi,
124 Options& _opt) = 0;
125
126
128 virtual bool can_u_read(const std::string& _filename) const;
129
130
131 protected:
132
133 // case insensitive search for _ext in _fname.
134 bool check_extension(const std::string& _fname,
135 const std::string& _ext) const;
136 };
137
138
146 static inline std::string &left_trim(std::string &_string) {
147 _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
148 return _string;
149 }
150
158 static inline std::string &right_trim(std::string &_string) {
159 _string.erase(std::find_if(_string.rbegin(), _string.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), _string.end());
160 return _string;
161 }
162
170 static inline std::string &trim(std::string &_string) {
171 return left_trim(right_trim(_string));
172 }
173
174
175
176 //=============================================================================
177 } // namespace IO
178 } // namespace OpenMesh
179 //=============================================================================
180 #endif
181 //=============================================================================