michael@0: // FilePathAutoRename.cpp
michael@0: 
michael@0: #include "StdAfx.h"
michael@0: #include "FilePathAutoRename.h"
michael@0: 
michael@0: #include "Common/Defs.h"
michael@0: #include "Common/IntToString.h"
michael@0: 
michael@0: #include "Windows/FileName.h"
michael@0: #include "Windows/FileFind.h"
michael@0: 
michael@0: using namespace NWindows;
michael@0: 
michael@0: static bool MakeAutoName(const UString &name, 
michael@0:     const UString &extension, int value, UString &path)
michael@0: {
michael@0:   wchar_t number[32];
michael@0:   ConvertUInt64ToString(value, number);
michael@0:   path = name;
michael@0:   path += number;
michael@0:   path += extension;
michael@0:   return NFile::NFind::DoesFileExist(path);
michael@0: }
michael@0: 
michael@0: bool AutoRenamePath(UString &fullProcessedPath)
michael@0: {
michael@0:   UString path;
michael@0:   int dotPos = fullProcessedPath.ReverseFind(L'.');
michael@0: 
michael@0:   int slashPos = fullProcessedPath.ReverseFind(L'/');
michael@0:   #ifdef _WIN32
michael@0:   int slash1Pos = fullProcessedPath.ReverseFind(L'\\');
michael@0:   slashPos = MyMax(slashPos, slash1Pos);
michael@0:   #endif
michael@0: 
michael@0:   UString name, extension;
michael@0:   if (dotPos > slashPos &&  dotPos > 0)
michael@0:   {
michael@0:     name = fullProcessedPath.Left(dotPos);
michael@0:     extension = fullProcessedPath.Mid(dotPos);
michael@0:   }
michael@0:   else
michael@0:     name = fullProcessedPath;
michael@0:   name += L'_';
michael@0:   int indexLeft = 1, indexRight = (1 << 30);
michael@0:   while (indexLeft != indexRight)
michael@0:   {
michael@0:     int indexMid = (indexLeft + indexRight) / 2;
michael@0:     if (MakeAutoName(name, extension, indexMid, path))
michael@0:       indexLeft = indexMid + 1;
michael@0:     else
michael@0:       indexRight = indexMid;
michael@0:   }
michael@0:   if (MakeAutoName(name, extension, indexRight, fullProcessedPath))
michael@0:     return false;
michael@0:   return true;
michael@0: }