src/main.cpp

   1 //
   2 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   3 // +                                                                      +
   4 // + This file is part of enGrid.                                         +
   5 // +                                                                      +
   6 // + Copyright 2008-2010 enGits GmbH                                     +
   7 // +                                                                      +
   8 // + enGrid is free software: you can redistribute it and/or modify       +
   9 // + it under the terms of the GNU General Public License as published by +
  10 // + the Free Software Foundation, either version 3 of the License, or    +
  11 // + (at your option) any later version.                                  +
  12 // +                                                                      +
  13 // + enGrid is distributed in the hope that it will be useful,            +
  14 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  15 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  16 // + GNU General Public License for more details.                         +
  17 // +                                                                      +
  18 // + You should have received a copy of the GNU General Public License    +
  19 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  20 // +                                                                      +
  21 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  22 //
  23 #include <QtCore>
  24 #include <QtGui>
  25 #include <QApplication>
  26 #include <QFile>
  27 #include <QTextStream>
  28 #include <QDate>
  29
  30 #include "guimainwindow.h"
  31 #include "filetemplate.h"
  32
  33 #include "geometrytools.h"
  34 using namespace GeometryTools;
  35
  36 ///\todo replace with shellscript?
  37 void appendLicense(int argc, char ** argv)
  38 {
  39   int first_year = 2008;
  40   QString first_year_text;
  41   first_year_text.setNum(first_year);
  42   int year = QDate::currentDate().year();
  43   QString year_text;
  44   year_text.setNum(year);
  45   if (year-first_year == 1) {
  46     year_text = first_year_text + "," + year_text;
  47   };
  48   if (year-first_year > 1) {
  49     year_text = first_year_text + "-" + year_text;
  50   };
  51   QString year_end_text = "                                     +\n";
  52   if (year == first_year) {
  53     year_end_text = "     " + year_end_text;
  54   };
  55   for (int i = 2; i < argc; ++i) {
  56     QString filename(argv[i]);
  57     QString comment = "// ";
  58     QString buffer = "";
  59     bool script = false;
  60     if (filename.right(3) == ".sh")   script = true;
  61     if (filename.right(3) == ".py")   script = true;
  62     if (filename.right(5) == ".bash") script = true;
  63     QFile file(filename);
  64     file.open(QIODevice::ReadOnly);
  65     QTextStream f(&file);
  66     if (script) {
  67       comment = "# ";
  68       QString line = f.readLine();
  69       buffer += line + "\n";
  70     }
  71     buffer += comment + "\n";
  72     buffer += comment + "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n";
  73     buffer += comment + "+                                                                      +\n";
  74     buffer += comment + "+ This file is part of enGrid.                                         +\n";
  75     buffer += comment + "+                                                                      +\n";
  76     buffer += comment + "+ Copyright " + year_text + " enGits GmbH" + year_end_text;
  77     buffer += comment + "+                                                                      +\n";
  78     buffer += comment + "+ enGrid is free software: you can redistribute it and/or modify       +\n";
  79     buffer += comment + "+ it under the terms of the GNU General Public License as published by +\n";
  80     buffer += comment + "+ the Free Software Foundation, either version 3 of the License, or    +\n";
  81     buffer += comment + "+ (at your option) any later version.                                  +\n";
  82     buffer += comment + "+                                                                      +\n";
  83     buffer += comment + "+ enGrid is distributed in the hope that it will be useful,            +\n";
  84     buffer += comment + "+ but WITHOUT ANY WARRANTY; without even the implied warranty of       +\n";
  85     buffer += comment + "+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +\n";
  86     buffer += comment + "+ GNU General Public License for more details.                         +\n";
  87     buffer += comment + "+                                                                      +\n";
  88     buffer += comment + "+ You should have received a copy of the GNU General Public License    +\n";
  89     buffer += comment + "+ along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +\n";
  90     buffer += comment + "+                                                                      +\n";
  91     buffer += comment + "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n";
  92     buffer += comment + "\n";
  93     {
  94       bool src_code = false;
  95       while (!f.atEnd()) {
  96         QString line = f.readLine();
  97         if (!src_code) {
  98           if (line.size() >= comment.length()-1) {
  99             if (line.left(comment.length()-1) != comment.left(comment.length()-1)) {
 100               src_code = true;
 101             };
 102           } else {
 103             src_code = true;
 104           };
 105         };
 106         if (src_code) {
 107           buffer += line + "\n";
 108         };
 109       };
 110     };
 111     {
 112       QFile file(filename);
 113       file.open(QIODevice::WriteOnly);
 114       QTextStream f(&file);
 115       f << buffer;
 116     };
 117   };
 118 }
 119
 120 ///\todo replace with shellscript?
 121 void makeDistribution()
 122 {
 123   system ("ldd ./engrid > ldd.out");
 124   system ("mkdir enGrid");
 125   system ("cp engrid enGrid");
 126   {
 127     QFile file("ldd.out");
 128     file.open(QIODevice::ReadOnly);
 129     QTextStream f(&file);
 130     while (!f.atEnd()) {
 131       QString line = f.readLine();
 132       QTextStream l(&line, QIODevice::ReadOnly);
 133       QString word;
 134       l >> word;
 135       if (word.left(1) != "/") {
 136         l >> word;
 137         l >> word;
 138       };
 139       QString cmd = "cp " + word + " enGrid";
 140       system(qPrintable(cmd));
 141       cout << qPrintable(cmd) << endl;
 142     };
 143   };
 144   system ("tar czf enGrid_bin.tar.gz enGrid/*");
 145   system ("rm -rf enGrid");
 146   system ("rm ldd.out");
 147 };
 148
 149 /** Message handler to allow output of Qt objects in the terminal (stderr) or the logfile/output window of engrid (stdout)
 150  qDebug() is used for writing custom debug output.
 151  qWarning() is used to report warnings and recoverable errors in your application.
 152  qCritical() is used for writing critical error mesages and reporting system errors.
 153  qFatal() is used for writing fatal error messages shortly before exiting.
 154  */
 155 void engridMessageHandler(QtMsgType type, const char *msg)
 156 {
 157   switch (type) {
 158   case QtDebugMsg:
 159 //     fprintf(stdout, "%s", msg);
 160     cout<<msg<<endl;
 161     break;
 162   case QtWarningMsg:
 163 //     fprintf(stderr, "%s", msg);
 164     cerr<<msg<<endl;
 165     break;
 166   case QtCriticalMsg:
 167     fprintf(stderr, "Critical: %s\n", msg);
 168     break;
 169   case QtFatalMsg:
 170     fprintf(stderr, "Fatal: %s\n", msg);
 171     abort();
 172   }
 173 }
 174
 175 double getNumber(QString text)
 176 {
 177   double myNumber = 0;
 178   while (true) {
 179     qDebug() << text;
 180     string input = "";
 181     getline(cin, input);
 182
 183     // This code converts from string to number safely.
 184     stringstream myStream(input);
 185     if (myStream >> myNumber)
 186       break;
 187     qDebug() << "Invalid number, please try again" << endl;
 188   }
 189   return myNumber;
 190 }
 191
 192 int main( int argc, char ** argv )
 193 {
 194   /*
 195   double a,b,c;
 196   double x[3];
 197   int N;
 198
 199   // x^3 + a x^2 + b x + c = 0
 200   a = getNumber("a=");
 201   b = getNumber("b=");
 202   c = getNumber("c=");
 203   N = poly_solve_cubic( a, b, c, &(x[0]), &(x[1]), &(x[2]));
 204   qDebug()<<"x^3 + "<<a<<" *x^2 + "<<b<<" *x + "<<c<<" = 0";
 205   for(int i=0;i<N;i++) qDebug()<<"x["<<i<<"]="<<x[i];
 206
 207   // a x^2 + b x + c = 0
 208   a = getNumber("a=");
 209   b = getNumber("b=");
 210   c = getNumber("c=");
 211   N = poly_solve_quadratic( a, b, c, &(x[0]), &(x[1]));
 212   qDebug()<<a<<" *x^2 + "<<b<<" *x + "<<c<<" = 0";
 213   for(int i=0;i<N;i++) qDebug()<<"x["<<i<<"]="<<x[i];
 214   exit(0);
 215   */
 216
 217   qInstallMsgHandler(engridMessageHandler);
 218   Q_INIT_RESOURCE(engrid);
 219
 220   ///\todo use gnu getopt ? Check windows/mac compatibility.
 221   if (argc > 1) {
 222     if (QString(argv[1]) == QString("-h")) {
 223       QFileInfo file_info(argv[0]);
 224       cout<<"Usage:"<<endl;
 225       cout<<qPrintable(file_info.fileName())<<" : start engrid"<<endl;
 226       cout<<qPrintable(file_info.fileName())<<" -f FILE : start engrid and open FILE"<<endl;
 227       cout<<qPrintable(file_info.fileName())<<" -h : Display usage instructions"<<endl;
 228       cout<<qPrintable(file_info.fileName())<<" -appendlic FILE1 FILE2 ...: Append license to files"<<endl;
 229       cout<<qPrintable(file_info.fileName())<<" -distbin : Create binary distribution"<<endl;
 230       exit(0);
 231     };
 232     if (QString(argv[1]) == QString("-appendlic")) {
 233       appendLicense(argc, argv);
 234     };
 235     if (QString(argv[1]) == QString("-distbin")) {
 236       makeDistribution();
 237     };
 238     if (QString(argv[1]) == QString("-f") && argc == 3) {
 239       QApplication a( argc, argv );
 240       QString filename = QString(argv[2]);
 241       GuiMainWindow w(filename);
 242       w.show();
 243       a.connect( &a, SIGNAL( lastWindowClosed() ), &a, SLOT( quit() ) );
 244       a.exec();
 245     }
 246   } else {
 247     QApplication a( argc, argv );
 248     GuiMainWindow w;
 249     w.show();
 250     a.connect( &a, SIGNAL( lastWindowClosed() ), &a, SLOT( quit() ) );
 251     a.exec();
 252   };
 253 };