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
12using namespace NWindows;
13
14static 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
25bool 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