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 
MakeAutoName(const UString & name,const UString & extension,int value,UString & path)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 
AutoRenamePath(UString & fullProcessedPath)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 }
58