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// FilePathAutoRename.cpp
#include "StdAfx.h"
#include "Common/Defs.h"
#include "Common/IntToString.h"
#include "Windows/FileFind.h"
#include "FilePathAutoRename.h"
using namespace NWindows;
static bool MakeAutoName(const UString &name,
const UString &extension, unsigned value, UString &path)
{
wchar_t number[16];
ConvertUInt32ToString(value, number);
path = name;
path += number;
path += extension;
return NFile::NFind::DoesFileOrDirExist(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'_';
unsigned left = 1, right = (1 << 30);
while (left != right)
{
unsigned mid = (left + right) / 2;
if (MakeAutoName(name, extension, mid, path))
left = mid + 1;
else
right = mid;
}
return !MakeAutoName(name, extension, right, fullProcessedPath);
}
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