src/utils/FileLocation.hpp

/*******************************************************************\

              Copyright (C) 2003 Joseph Coffland

    This program is free software; you can redistribute it and/or
     modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
        of the License, or (at your option) any later version.

   This program 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 General Public License for more details.

  You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
                           02111-1307, USA.

            For information regarding this software email
                   jcofflan@users.sourceforge.net

\*******************************************************************/


#ifndef UTILS_FILELOCATION_H
#define UTILS_FILELOCATION_H

#include <string>

namespace OpenMD {

  /** 
   * This class is mainly used by Exception, but can be used
   * as a general class for recording a line and column location
   * with in a file.
   */
  class FileLocation {
    std::string filename;
    std::string function;
    long line;
    long col;
    bool empty;

  public:
    /** 
     * Construct a default FileLocation with an empty value.
     */
    FileLocation() : line(-1), col(-1), empty(true) {}

    /** 
     * Copy constructor.
     */
    FileLocation(const FileLocation &x) : 
      filename(x.filename), function(x.function), line(x.line), col(x.col),
      empty(x.empty) {}

    /** 
     * @param filename The name of the file.
     * @param line The line with that file.
     * @param col The column on that line.
     */
    FileLocation(const std::string filename, const long line, 
                 const long col) : 
      filename(filename), line(line), col(col), empty(false) {}

    FileLocation(const std::string filename, const std::string function,
                 const long line,  const long col) : 
      filename(filename), function(function), line(line), col(col),
      empty(false) {}

    virtual ~FileLocation() {}

    const std::string getFilename() const {return filename;}

    const std::string getFunction() const {return function;}

    /** 
     * @return -1 if no line was set the line number otherwise.
     */  
    const long getLine() const {return line;}

    /** 
     * @return -1 of no column was set the column number otherwise.
     */
    const long getCol() const {return col;}

    /** 
     * @return True of no filename, line, or column have been set.
     */
    bool isEmpty() const {return empty;}

    friend std::ostream &operator<<(std::ostream &stream, 
                                    const FileLocation &fl);
  };  

  /** 
   * Print a file location to a stream.  The format is as follows.
   *
   * filename[:line[:col]]
   *
   * If no line or column has been set then they will not be displayed.
   * 
   * @return A reference to the passed stream.
   */
  std::ostream &operator<<(std::ostream &stream, const FileLocation &fl);
}

#if __STDC_VERSION__ < 199901L
# if __GNUC__ >= 2
#  define __func__ __FUNCTION__
# else
#  define __func__ "<unknown>"
# endif
#endif

#ifndef FILE_LOCATION
#define FILE_LOCATION OpenMD::FileLocation(__FILE__, __func__, __LINE__, -1)
#endif

#endif
Revision:	1492
Committed:	Mon Aug 16 18:07:50 2010 UTC (14 years, 8 months ago) by chuckv
File size:	3544 byte(s)
Log Message:	Adding exception and reporting mechanism from ProtoMol to OpenMD.
#	User	Rev	Content
1	chuckv	1492	/*******************************************************************\
2
3			Copyright (C) 2003 Joseph Coffland
4
5			This program is free software; you can redistribute it and/or
6			modify it under the terms of the GNU General Public License
7			as published by the Free Software Foundation; either version 2
8			of the License, or (at your option) any later version.
9
10			This program is distributed in the hope that it will be useful,
11			but WITHOUT ANY WARRANTY; without even the implied warranty of
12			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			GNU General Public License for more details.
14
15			You should have received a copy of the GNU General Public License
16			along with this program; if not, write to the Free Software
17			Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
18			02111-1307, USA.
19
20			For information regarding this software email
21			jcofflan@users.sourceforge.net
22
23			\*******************************************************************/
24
25
26			#ifndef UTILS_FILELOCATION_H
27			#define UTILS_FILELOCATION_H
28
29			#include <string>
30
31			namespace OpenMD {
32
33			/**
34			* This class is mainly used by Exception, but can be used
35			* as a general class for recording a line and column location
36			* with in a file.
37			*/
38			class FileLocation {
39			std::string filename;
40			std::string function;
41			long line;
42			long col;
43			bool empty;
44
45			public:
46			/**
47			* Construct a default FileLocation with an empty value.
48			*/
49			FileLocation() : line(-1), col(-1), empty(true) {}
50
51			/**
52			* Copy constructor.
53			*/
54			FileLocation(const FileLocation &x) :
55			filename(x.filename), function(x.function), line(x.line), col(x.col),
56			empty(x.empty) {}
57
58			/**
59			* @param filename The name of the file.
60			* @param line The line with that file.
61			* @param col The column on that line.
62			*/
63			FileLocation(const std::string filename, const long line,
64			const long col) :
65			filename(filename), line(line), col(col), empty(false) {}
66
67			FileLocation(const std::string filename, const std::string function,
68			const long line, const long col) :
69			filename(filename), function(function), line(line), col(col),
70			empty(false) {}
71
72			virtual ~FileLocation() {}
73
74			const std::string getFilename() const {return filename;}
75
76			const std::string getFunction() const {return function;}
77
78			/**
79			* @return -1 if no line was set the line number otherwise.
80			*/
81			const long getLine() const {return line;}
82
83			/**
84			* @return -1 of no column was set the column number otherwise.
85			*/
86			const long getCol() const {return col;}
87
88			/**
89			* @return True of no filename, line, or column have been set.
90			*/
91			bool isEmpty() const {return empty;}
92
93			friend std::ostream &operator<<(std::ostream &stream,
94			const FileLocation &fl);
95			};
96
97			/**
98			* Print a file location to a stream. The format is as follows.
99			*
100			* filename[:line[:col]]
101			*
102			* If no line or column has been set then they will not be displayed.
103			*
104			* @return A reference to the passed stream.
105			*/
106			std::ostream &operator<<(std::ostream &stream, const FileLocation &fl);
107			}
108
109			#if __STDC_VERSION__ < 199901L
110			# if __GNUC__ >= 2
111			# define __func__ __FUNCTION__
112			# else
113			# define __func__ "<unknown>"
114			# endif
115			#endif
116
117			#ifndef FILE_LOCATION
118			#define FILE_LOCATION OpenMD::FileLocation(__FILE__, __func__, __LINE__, -1)
119			#endif
120
121			#endif