1 // DefaultName.cpp
2 
3 #include "StdAfx.h"
4 
5 #include "DefaultName.h"
6 
7 static UString GetDefaultName3(const UString &fileName,
8     const UString &extension, const UString &addSubExtension)
9 {
10   const unsigned extLen = extension.Len();
11   const unsigned fileNameLen = fileName.Len();
12 
13   if (fileNameLen > extLen + 1)
14   {
15     const unsigned dotPos = fileNameLen - (extLen + 1);
16     if (fileName[dotPos] == '.')
17       if (extension.IsEqualTo_NoCase(fileName.Ptr(dotPos + 1)))
18         return fileName.Left(dotPos) + addSubExtension;
19   }
20 
21   int dotPos = fileName.ReverseFind_Dot();
22   if (dotPos > 0)
23     return fileName.Left(dotPos) + addSubExtension;
24 
25   if (addSubExtension.IsEmpty())
26     return fileName + L'~';
27   else
28     return fileName + addSubExtension;
29 }
30 
31 UString GetDefaultName2(const UString &fileName,
32     const UString &extension, const UString &addSubExtension)
33 {
34   UString name = GetDefaultName3(fileName, extension, addSubExtension);
35   name.TrimRight();
36   return name;
37 }
38