OpenMesh: OpenMesh/Core/IO/reader/BaseReader.hh Source File

| 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 * $Revision$ *
45 * $Date$ *
46 * *
47 \*===========================================================================*/
48
49
50 //=============================================================================
51 //
52 // Implements the baseclass for IOManager file access modules
53 //
54 //=============================================================================
55
56
57 #ifndef __BASEREADER_HH__
58 #define __BASEREADER_HH__
59
60
61 //=== INCLUDES ================================================================
62
63
64 // STD C++
65 #include <iosfwd>
66 #include <string>
67 #include <cctype>
68 #include <functional>
69 #include <algorithm>
70
71 // OpenMesh
72 #include <OpenMesh/Core/System/config.h>
73 #include <OpenMesh/Core/IO/Options.hh>
74 #include <OpenMesh/Core/IO/importer/BaseImporter.hh>
75 #include <OpenMesh/Core/Utils/SingletonT.hh>
76
77
78 //== NAMESPACES ===============================================================
79
80
81 namespace OpenMesh {
82 namespace IO {
83
84
85 //=== IMPLEMENTATION ==========================================================
86
87
94 class OPENMESHDLLEXPORT BaseReader
95 {
96 public:
97
99 virtual ~BaseReader() {};
100
102 virtual std::string get_description() const = 0;
103
107 virtual std::string get_extensions() const = 0;
108
110 virtual std::string get_magic() const { return std::string(""); }
111
112
120 virtual bool read(const std::string& _filename,
121 BaseImporter& _bi,
122 Options& _opt) = 0;
123
130 virtual bool read(std::istream& _is,
131 BaseImporter& _bi,
132 Options& _opt) = 0;
133
134
140 virtual bool can_u_read(const std::string& _filename) const;
141
142
143 protected:
144
145 // case insensitive search for _ext in _fname.
146 bool check_extension(const std::string& _fname,
147 const std::string& _ext) const;
148 };
149
150
158 static inline std::string &left_trim(std::string &_string) {
159
160 // Find out if the compiler supports CXX11
161 #if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L )
162 // as with CXX11 we can use lambda expressions
163 _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), [](int i)->int { return ! std::isspace(i); }));
164 #else
165 // we do what we did before
166 _string.erase(_string.begin(), std::find_if(_string.begin(), _string.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
167 #endif
168
169 return _string;
170 }
171
179 static inline std::string &right_trim(std::string &_string) {
180
181 // Find out if the compiler supports CXX11
182 #if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L )
183 // as with CXX11 we can use lambda expressions
184 _string.erase(std::find_if(_string.rbegin(), _string.rend(), [](int i)->int { return ! std::isspace(i); } ).base(), _string.end());
185 #else
186 // we do what we did before
187 _string.erase(std::find_if(_string.rbegin(), _string.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), _string.end());
188 #endif
189
190
191
192 return _string;
193 }
194
202 static inline std::string &trim(std::string &_string) {
203 return left_trim(right_trim(_string));
204 }
205
206
207
208 //=============================================================================
209 } // namespace IO
210 } // namespace OpenMesh
211 //=============================================================================
212 #endif
213 //=============================================================================
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition: BaseReader.hh:94
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::IO::BaseReader::~BaseReader
virtual ~BaseReader()
Destructor.
Definition: BaseReader.hh:99
OpenMesh::IO::BaseReader::get_magic
virtual std::string get_magic() const
Return magic bits used to determine file format.
Definition: BaseReader.hh:110
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:95
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition: BaseImporter.hh:88