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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#ifndef GLOBALFUNCTIONS_H_INCLUDED
#define GLOBALFUNCTIONS_H_INCLUDED
#include <string>
#include <algorithm>
#include <vector>
#include <set>
#include <wx/string.h>
//#include <memory>
//#include <sstream>
namespace common
{
//little rounding function
inline int round(double d) { return static_cast<int>(d < 0 ? d - 0.5 : d + 0.5); }
//absolute value
template <class T> inline T abs(const T& d) { return d < 0 ? -d : d; }
size_t getDigitCount(size_t number); //count number of digits
//Note: the following lines are a performance optimization for deleting elements from a vector: linear runtime at most!
template <class T>
void removeRowsFromVector(const std::set<size_t>& rowsToRemove, std::vector<T>& grid);
//enhanced binary search template: returns an iterator
template <class ForwardIterator, class T, typename Compare>
ForwardIterator custom_binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp = std::less<T>());
}
//############################################################################
class wxFile;
class DebugLog
{
public:
wxDEPRECATED(DebugLog(const wxString& filePrefix = wxString()));
~DebugLog();
void write(const wxString& logText);
private:
wxString assembleFileName();
wxString logfileName;
wxString prefix;
int lineCount;
wxFile* logFile; //logFile.close(); <- not needed
};
extern DebugLog logDebugInfo;
wxString getCodeLocation(const wxString& file, 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
//---------------Inline Implementation---------------------------------------------------
//Note: the following lines are a performance optimization for deleting elements from a vector: linear runtime at most!
template <class T>
void common::removeRowsFromVector(const std::set<size_t>& rowsToRemove, std::vector<T>& grid)
{
if (rowsToRemove.empty())
return;
std::set<size_t>::const_iterator rowToSkipIndex = rowsToRemove.begin();
size_t rowToSkip = *rowToSkipIndex;
if (rowToSkip >= grid.size())
return;
typename std::vector<T>::iterator insertPos = grid.begin() + rowToSkip;
for (size_t i = rowToSkip; i < grid.size(); ++i)
{
if (i != rowToSkip)
{
*insertPos = grid[i];
++insertPos;
}
else
{
++rowToSkipIndex;
if (rowToSkipIndex != rowsToRemove.end())
rowToSkip = *rowToSkipIndex;
}
}
grid.erase(insertPos, grid.end());
}
//enhanced binary search template: returns an iterator
template <class ForwardIterator, class T, typename Compare>
inline
ForwardIterator common::custom_binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp)
{
first = std::lower_bound(first, last, value, comp);
if (first != last && !comp(value, *first))
return first;
else
return last;
}
#endif // GLOBALFUNCTIONS_H_INCLUDED
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