1 files changed, 167 insertions, 0 deletions
diff --git a/shared/globalFunctions.h b/shared/globalFunctions.h
new file mode 100644
index 00000000..00566b5f
--- /dev/null
+++ b/shared/globalFunctions.h
@@ -0,0 +1,167 @@
+#ifndef GLOBALFUNCTIONS_H_INCLUDED
+#define GLOBALFUNCTIONS_H_INCLUDED
+
+#include <string>
+#include <algorithm>
+#include <vector>
+#include <set>
+#include <wx/string.h>
+#include <wx/longlong.h>
+#include <memory>
+#include <sstream>
+
+class wxInputStream;
+class wxOutputStream;
+class wxStopWatch;
+
+
+namespace globalFunctions
+{
+//------------------------------------------------
+//      GLOBALS
+//------------------------------------------------
+#ifdef FFS_WIN
+    const wxChar FILE_NAME_SEPARATOR = '\\';
+    static const wxChar* const LINE_BREAK = wxT("\r\n"); //internal linkage
+#elif defined FFS_LINUX
+    const wxChar FILE_NAME_SEPARATOR = '/';
+    static const wxChar* const LINE_BREAK = wxT("\n");
+#endif
+
+//------------------------------------------------
+//      FUNCTIONS
+//------------------------------------------------
+    inline
+    int round(double d) //little rounding function
+    {
+        return static_cast<int>(d < 0 ? d - .5 : d + .5);
+    }
+
+    template <class T>
+    inline
+    T abs(const T& d) //absolute value
+    {
+        return(d < 0 ? -d : d);
+    }
+
+    template <class T>
+    inline std::string numberToString(const T& number) //convert number to string the C++ way
+    {
+        std::stringstream ss;
+        ss << number;
+        return ss.str();
+    }
+
+    wxString numberToWxString(const unsigned int number); //convert number to wxString
+    wxString numberToWxString(const int number);          //convert number to wxString
+    wxString numberToWxString(const float number);        //convert number to wxString
+
+    int    stringToInt(   const std::string& number); //convert String to number
+    long   stringToLong(  const std::string& number); //convert String to number
+    double stringToDouble(const std::string& number); //convert String to number
+
+    int    wxStringToInt(   const wxString& number); //convert wxString to number
+    double wxStringToDouble(const wxString& number); //convert wxString to number
+
+    unsigned int getDigitCount(const unsigned int number); //count number of digits
+
+    int readInt(std::ifstream& stream);  //read int from file stream
+    void writeInt(std::ofstream& stream, const int number);  //write int to filestream
+
+    int readInt(wxInputStream& stream);  //read int from file stream
+    void writeInt(wxOutputStream& stream, const int number);  //write int to filestream
+
+    inline
+    wxLongLong convertToSigned(const wxULongLong number)
+    {
+        return wxLongLong(number.GetHi(), number.GetLo());
+    }
+
+
+    //Note: the following lines are a performance optimization for deleting elements from a vector. It is incredibly faster to create a new
+//vector and leave specific elements out than to delete row by row and force recopying of most elements for each single deletion (linear vs quadratic runtime)
+    template <class T>
+    void removeRowsFromVector(const std::set<int>& rowsToRemove, std::vector<T>& grid)
+    {
+        if (rowsToRemove.size() > 0)
+        {
+            std::vector<T> temp;
+
+            std::set<int>::const_iterator rowToSkipIndex = rowsToRemove.begin();
+            int rowToSkip = *rowToSkipIndex;
+
+            for (int i = 0; i < int(grid.size()); ++i)
+            {
+                if (i != rowToSkip)
+                    temp.push_back(grid[i]);
+                else
+                {
+                    ++rowToSkipIndex;
+                    if (rowToSkipIndex != rowsToRemove.end())
+                        rowToSkip = *rowToSkipIndex;
+                }
+            }
+            grid.swap(temp);
+        }
+    }
+}
+
+
+//############################################################################
+class Performance
+{
+public:
+    wxDEPRECATED(Performance()); //generate compiler warnings as a reminder to remove code after measurements
+    ~Performance();
+    void showResult();
+
+private:
+    bool resultWasShown;
+    std::auto_ptr<wxStopWatch> timer;
+};
+
+//two macros for quick performance measurements
+#define PERF_START Performance a;
+#define PERF_STOP  a.showResult();
+
+
+//############################################################################
+class wxFile;
+class DebugLog
+{
+public:
+    wxDEPRECATED(DebugLog());
+    ~DebugLog();
+    void write(const wxString& logText);
+
+private:
+    wxString assembleFileName();
+    wxString logfileName;
+    int lineCount;
+    wxFile* logFile; //logFile.close(); <- not needed
+};
+extern DebugLog logDebugInfo;
+wxString getCodeLocation(const wxString file, const int line);
+
+//small macro for writing debug information into a logfile
+#define WRITE_DEBUG_LOG(x) logDebugInfo.write(getCodeLocation(__TFILE__, __LINE__) + x);
+//speed alternative: wxLogDebug(wxT("text")) + DebugView
+
+
+//############################################################################
+class RuntimeException //Exception class used to notify of general runtime exceptions
+{
+public:
+    RuntimeException(const wxString& txt) : errorMessage(txt) {}
+
+    wxString show() const
+    {
+        return errorMessage;
+    }
+
+private:
+    wxString errorMessage;
+};
+
+
+#endif // GLOBALFUNCTIONS_H_INCLUDED