| OpenMesh

BaseReader.hh
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openmesh.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenMesh. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 * ========================================================================= */
41
42
43
44
45 //=============================================================================
46 //
47 // Implements the baseclass for IOManager file access modules
48 //
49 //=============================================================================
50
51 #pragma once
52
53 //=== INCLUDES ================================================================
54
55
56 // STD C++
57 #include <iosfwd>
58 #include <string>
59 #include <cctype>
60 #include <functional>
61 #include <algorithm>
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
132 virtual bool can_u_read(const std::string& _filename) const;
133
134
135 protected:
136
137 // case insensitive search for _ext in _fname.
138 bool check_extension(const std::string& _fname,
139 const std::string& _ext) const;
140 };
141
142
150 static inline std::string &left_trim(std::string &_string) {
151
152 // Find out if the compiler supports CXX11
153 #if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L )
154 // as with CXX11 we can use lambda expressions
155 _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), [](int i)->int { return ! std::isspace(i); }));
156 #else
157 // we do what we did before
158 _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
159 #endif
160
161 return _string;
162 }
163
171 static inline std::string &right_trim(std::string &_string) {
172
173 // Find out if the compiler supports CXX11
174 #if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L )
175 // as with CXX11 we can use lambda expressions
176 _string.erase(std::find_if(_string.rbegin(), _string.rend(), [](int i)->int { return ! std::isspace(i); } ).base(), _string.end());
177 #else
178 // we do what we did before
179 _string.erase(std::find_if(_string.rbegin(), _string.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), _string.end());
180 #endif
181
182
183
184 return _string;
185 }
186
194 static inline std::string &trim(std::string &_string) {
195 return left_trim(right_trim(_string));
196 }
197
198
199
200 //=============================================================================
201 } // namespace IO
202 } // namespace OpenMesh
203 //=============================================================================
OpenMesh::IO::BaseReader::~BaseReader
virtual ~BaseReader()
Destructor.
Definition: BaseReader.hh:91
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:90
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition: BaseImporter.hh:83
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition: BaseReader.hh:86
OpenMesh::IO::BaseReader::get_magic
virtual std::string get_magic() const
Return magic bits used to determine file format.
Definition: BaseReader.hh:102