1 // FilePathAutoRename.cpp

     2 

     3 #include "StdAfx.h"

     4 #include "FilePathAutoRename.h"

     5 

     6 #include "Common/Defs.h"

     7 #include "Common/IntToString.h"

     8 

     9 #include "Windows/FileName.h"

    10 #include "Windows/FileFind.h"

    11 

    12 using namespace NWindows;

    13 

    14 static bool MakeAutoName(const UString &name, 

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

    16 {

    17   wchar_t number[32];

    18   ConvertUInt64ToString(value, number);

    19   path = name;

    20   path += number;

    21   path += extension;

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

    23 }

    24 

    25 bool AutoRenamePath(UString &fullProcessedPath)

    26 {

    27   UString path;

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

    29 

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

    31   #ifdef _WIN32

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

    33   slashPos = MyMax(slashPos, slash1Pos);

    34   #endif

    35 

    36   UString name, extension;

    37   if (dotPos > slashPos &&  dotPos > 0)

    38   {

    39     name = fullProcessedPath.Left(dotPos);

    40     extension = fullProcessedPath.Mid(dotPos);

    41   }

    42   else

    43     name = fullProcessedPath;

    44   name += L'_';

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

    46   while (indexLeft != indexRight)

    47   {

    48     int indexMid = (indexLeft + indexRight) / 2;

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

    50       indexLeft = indexMid + 1;

    51     else

    52       indexRight = indexMid;

    53   }

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

    55     return false;

    56   return true;

    57 }