Add Mod/TechDraw/App

src/Mod/TechDraw/App/DrawUtil.cpp

@@ -0,0 +1,100 @@
+
+/***************************************************************************
+ *   Copyright (c) 2015 WandererFan <wandererfan@gmail.com>                *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 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 Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+
+#ifndef _PreComp_
+# include <sstream>
+# include <cstring>
+# include <cstdlib>
+# include <exception>
+# include <boost/regex.hpp>
+# include <QString>
+# include <QStringList>
+# include <QRegExp>
+#endif
+
+#include <App/Application.h>
+#include <Base/Console.h>
+#include <Base/Exception.h>
+#include <Base/Parameter.h>
+
+#include "DrawUtil.h"
+
+namespace DrawUtil {
+
+//==============================================================================
+// convenient utility functions for Drawing Module
+//==============================================================================
+extern "C" {
+int DrawingExport getIndexFromName(std::string geomName)
+{
+   boost::regex re("\\d+$");                                           //one of more digits at end of string
+   boost::match_results<std::string::const_iterator> what;
+   boost::match_flag_type flags = boost::match_default;
+   char* endChar;
+   std::string::const_iterator begin = geomName.begin();
+   std::string::const_iterator end = geomName.end();
+   std::stringstream ErrorMsg;
+
+   if (!geomName.empty()) {
+      if (boost::regex_search(begin, end, what, re, flags)) {
+         return int (std::strtol(what.str().c_str(), &endChar, 10));         //TODO: use std::stoi() in c++11
+      } else {
+         ErrorMsg << "getIndexFromName: malformed geometry name - " << geomName;
+         throw Base::Exception(ErrorMsg.str());
+      }
+   } else {
+         throw Base::Exception("getIndexFromName - empty geometry name");
+   }
+}
+
+std::string DrawingExport getGeomTypeFromName(std::string geomName)
+{
+   boost::regex re("^[a-zA-Z]*");                                           //one or more letters at start of string
+   boost::match_results<std::string::const_iterator> what;
+   boost::match_flag_type flags = boost::match_default;
+   std::string::const_iterator begin = geomName.begin();
+   std::string::const_iterator end = geomName.end();
+   std::stringstream ErrorMsg;
+
+   if (!geomName.empty()) {
+      if (boost::regex_search(begin, end, what, re, flags)) {
+         return what.str();         //TODO: use std::stoi() in c++11
+      } else {
+         ErrorMsg << "In getGeomTypeFromName: malformed geometry name - " << geomName;
+         throw Base::Exception(ErrorMsg.str());
+      }
+   } else {
+         throw Base::Exception("getGeomTypeFromName - empty geometry name");
+   }
+}
+
+std::string DrawingExport makeGeomName(std::string geomType, int index)
+{
+    std::stringstream newName;
+    newName << geomType << index;
+    return newName.str();
+}
+} //end extern "C"
+} //end namespace DrawUtil