// FilePathAutoRename.cpp

#include "StdAfx.h"

#include "FilePathAutoRename.h"

#include "Common/Defs.h"

#include "Common/IntToString.h"

#include "Windows/FileName.h"

#include "Windows/FileFind.h"

using namespace NWindows;

static bool MakeAutoName(const UString &name,

const UString &extension, int value, UString &path)

{

wchar_t number[32];

ConvertUInt64ToString(value, number);

path = name;

path += number;

path += extension;

return NFile::NFind::DoesFileExist(path);

}

bool AutoRenamePath(UString &fullProcessedPath)

{

UString path;

int dotPos = fullProcessedPath.ReverseFind(L'.');

int slashPos = fullProcessedPath.ReverseFind(L'/');

#ifdef _WIN32

int slash1Pos = fullProcessedPath.ReverseFind(L'\\');

slashPos = MyMax(slashPos, slash1Pos);

#endif

UString name, extension;

if (dotPos > slashPos && dotPos > 0)

{

name = fullProcessedPath.Left(dotPos);

extension = fullProcessedPath.Mid(dotPos);

}

else

name = fullProcessedPath;

name += L'_';

int indexLeft = 1, indexRight = (1 << 30);

while (indexLeft != indexRight)

{

int indexMid = (indexLeft + indexRight) / 2;

if (MakeAutoName(name, extension, indexMid, path))

indexLeft = indexMid + 1;

else

indexRight = indexMid;

}

if (MakeAutoName(name, extension, indexRight, fullProcessedPath))

return false;

return true;

}