SALOME - SMESH
UNV_Utilities.hxx
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1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
10 //
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
15 //
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 //
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 //
22 #ifndef MED_Utilities_HeaderFile
23 #define MED_Utilities_HeaderFile
24 
25 #include "SMESH_DriverUNV.hxx"
26 
27 #include <iostream>
28 #include <sstream>
29 #include <fstream>
30 #include <string>
31 #include <stdexcept>
32 #include <cassert>
33 #include <cstdlib>
34 
35 namespace UNV{
37  static int myCounter;
38  public:
39  PrefixPrinter();
40  ~PrefixPrinter();
41 
42  static std::string GetPrefix();
43  };
44 
50  inline bool beginning_of_dataset(std::istream& in_file, const std::string& ds_name)
51  {
52  assert (in_file.good());
53  assert (!ds_name.empty());
54 
55  std::string olds, news;
56 
57  while(true){
58  in_file >> olds >> news;
59  /*
60  * a "-1" followed by a number means the beginning of a dataset
61  * stop combing at the end of the file
62  */
63  while( ((olds != "-1") || (news == "-1") ) && !in_file.eof() ){
64  olds = news;
65  in_file >> news;
66  }
67  if(in_file.eof())
68  return false;
69  if (news == ds_name)
70  return true;
71  }
72  // should never end up here
73  return false;
74  }
75 
82  inline double D_to_e(std::string& number)
83  {
84  /* find "D" in string, start looking at
85  * 6th element, to improve speed.
86  * We dont expect a "D" earlier
87  */
88  const int position = number.find("D",6);
89  if(position != std::string::npos){
90  number.replace(position, 1, "e");
91  }
92  return std::atof (number.c_str());
93  }
94 
100  inline bool check_file(const std::string theFileName)
101  {
102  std::ifstream in_stream(theFileName.c_str());
103  if (!in_stream)
104  return false;
105  std::string olds, news;
106  while (!in_stream.eof()){
107  olds = news;
108  std::getline(in_stream, news, '\n');
109  }
110  return (olds == " -1");
111  }
112 
113 };
114 
115 
116 #ifndef MESSAGE
117 
118 #define MESSAGE(msg) std::cout<<__FILE__<<"["<<__LINE__<<"]::"<<msg<<endl;
119 
120 #define BEGMSG(msg) std::cout<<UNV::PrefixPrinter::GetPrefix()<<msg
121 
122 #define ADDMSG(msg) std::cout<<msg
123 
124 #endif
125 
126 
127 #ifndef EXCEPTION
128 
129 #define EXCEPTION(TYPE, MSG) {\
130  std::ostringstream aStream;\
131  aStream<<__FILE__<<"["<<__LINE__<<"]::"<<MSG;\
132  throw TYPE(aStream.str());\
133 }
134 
135 #endif
136 
137 #endif
double D_to_e(std::string &number)
Method for converting exponential notation from "D" to "e", for example 3.141592654D+00 –> 3...
bool check_file(const std::string theFileName)
bool beginning_of_dataset(std::istream &in_file, const std::string &ds_name)
#define MESHDRIVERUNV_EXPORT