1 // FilePathAutoRename.cpp 2 3 #include "StdAfx.h" 4 5 #include "../../Common/Defs.h" 6 #include "../../Common/IntToString.h" 7 8 #include "../../Windows/FileFind.h" 9 10 #include "FilePathAutoRename.h" 11 12 using namespace NWindows; 13 14 static bool MakeAutoName(const FString &name, 15 const FString &extension, unsigned value, FString &path) 16 { 17 FChar number[16]; 18 ConvertUInt32ToString(value, number); 19 path = name; 20 path += number; 21 path += extension; 22 return NFile::NFind::DoesFileOrDirExist(path); 23 } 24 25 bool AutoRenamePath(FString &fullProcessedPath) 26 { 27 FString path; 28 int dotPos = fullProcessedPath.ReverseFind(FTEXT('.')); 29 30 int slashPos = fullProcessedPath.ReverseFind(FTEXT('/')); 31 #ifdef _WIN32 32 int slash1Pos = fullProcessedPath.ReverseFind(FTEXT('\\')); 33 slashPos = MyMax(slashPos, slash1Pos); 34 #endif 35 36 FString name, extension; 37 if (dotPos > slashPos && dotPos > 0) 38 { 39 name.SetFrom(fullProcessedPath, dotPos); 40 extension = fullProcessedPath.Ptr(dotPos); 41 } 42 else 43 name = fullProcessedPath; 44 name += L'_'; 45 unsigned left = 1, right = (1 << 30); 46 while (left != right) 47 { 48 unsigned mid = (left + right) / 2; 49 if (MakeAutoName(name, extension, mid, path)) 50 left = mid + 1; 51 else 52 right = mid; 53 } 54 return !MakeAutoName(name, extension, right, fullProcessedPath); 55 } 56
