/usr/include/libmesh/mesh_input.h is in libmesh-dev 0.7.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | // $Id: mesh_input.h 4170 2011-01-13 23:55:44Z roystgnr $
// The libMesh Finite Element Library.
// Copyright (C) 2002-2008 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef __mesh_input_h__
#define __mesh_input_h__
// C++ inludes
#include <istream>
#include <string>
#include <vector>
// Local includes
#include "libmesh_common.h"
#include "mesh_base.h"
namespace libMesh
{
/**
* This class defines an abstract interface for \p Mesh input.
* Specific classes derived from this class actually implement
* reading various mesh formats.
*
* \author Benjamin S. Kirk
* \date 2004
* \version $Revision: 4170 $
*/
// ------------------------------------------------------------
// MeshInput class definition
template <class MT>
class MeshInput
{
protected:
/**
* Default constructor. Will set the _obj to NULL, effectively
* rendering this object useless.
*/
MeshInput (bool is_parallel_format = false);
/**
* Constructor. Takes a writeable reference to an object.
* This is the constructor required to read an object.
*/
MeshInput (MT&, const bool is_parallel_format = false);
public:
/**
* Destructor.
*/
virtual ~MeshInput ();
/**
* This method implements reading a mesh from a specified file.
*/
virtual void read (const std::string&) = 0;
protected:
/**
* Returns the object as a writeable reference.
*/
MT& mesh ();
/**
* A vector of bools describing what dimension elements
* have been encountered when reading a mesh.
*/
std::vector<bool> elems_of_dimension;
/**
* Reads input from \p in, skipping all the lines
* that start with the character \p comment_start.
*/
void skip_comment_lines (std::istream& in,
const char comment_start);
private:
/**
* A pointer to a non-const object object.
* This allows us to read the object from file.
*/
MT* _obj;
/**
* Flag specifying whether this format is parallel-capable.
* If this is false (default) I/O is only permitted when the mesh
* has been serialized.
*/
const bool _is_parallel_format;
};
// ------------------------------------------------------------
// MeshInput inline members
template <class MT>
inline
MeshInput<MT>::MeshInput (const bool is_parallel_format) :
elems_of_dimension(),
_obj (NULL),
_is_parallel_format(is_parallel_format)
{
}
template <class MT>
inline
MeshInput<MT>::MeshInput (MT& obj, const bool is_parallel_format) :
elems_of_dimension(),
_obj (&obj),
_is_parallel_format(is_parallel_format)
{
if (!_is_parallel_format && !this->mesh().is_serial())
{
if (libMesh::processor_id() == 0)
{
libmesh_do_once(libMesh::err <<
"Warning: This MeshInput subclass only support meshes which have been serialized!"
<< std::endl; libmesh_here(););
}
}
}
template <class MT>
inline
MeshInput<MT>::~MeshInput ()
{
}
template <class MT>
inline
MT& MeshInput<MT>::mesh ()
{
if (_obj == NULL) libmesh_error();
return *_obj;
}
template <class MT>
void MeshInput<MT>::skip_comment_lines (std::istream &in,
const char comment_start)
{
char c, line[256];
while (in.get(c), c==comment_start)
in.getline (line, 255);
// put back first character of
// first non-comment line
in.putback (c);
}
} // namespace libMesh
#endif // #define __mesh_io_h__
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