// Encodes a selection from the CSelectDrivesDlg into a string which can be routed as a pseudo
// document "path" through MFC and finally arrives in OnOpenDocument().
//
CString CDirstatDoc::EncodeSelection(RADIO radio, CString folder, const CStringArray& drives)
{
CString ret;
switch (radio)
{
case RADIO_ALLLOCALDRIVES:
case RADIO_SOMEDRIVES:
{
for(int i = 0; i < drives.GetSize(); i++)
{
if(i > 0)
{
ret += CString(GetEncodingSeparator());
}
ret += drives[i];
}
}
break;
case RADIO_AFOLDER:
{
ret = folder;
}
break;
}
return ret;
}
// The inverse of EncodeSelection
//
void CDirstatDoc::DecodeSelection(CString s, CString& folder, CStringArray& drives)
{
folder.Empty();
drives.RemoveAll();
// s is either something like "C:\programme"
// or something like "C:|D:|E:".
CStringArray sa;
int i=0;
while (i < s.GetLength())
{
CString token;
while (i < s.GetLength() && s[i] != GetEncodingSeparator())
token+= s[i++];
token.TrimLeft();
token.TrimRight();
ASSERT(!token.IsEmpty());
sa.Add(token);
if (i < s.GetLength())
i++;
}
ASSERT(sa.GetSize() > 0);
if (sa.GetSize() > 1)
{
for (int i=0; i < sa.GetSize(); i++)
{
CString d= sa[i];
ASSERT(d.GetLength() == 2);
ASSERT(d[1] == _T(':'));
drives.Add(d + _T("\\"));
}
}
else
{
CString f= sa[0];
if (f.GetLength() == 2 && f[1] == _T(':'))
{
drives.Add(f + _T("\\"));
}
else
{
// Remove trailing backslash, if any and not drive-root.
if (f.GetLength() > 0 && f.Right(1) == _T("\\")
&& (f.GetLength() != 3 || f[1] != _T(':')))
{
f= f.Left(f.GetLength() - 1);
}
folder= f;
}
}
}
