generic_string PathAppend(generic_string &strDest, const generic_string str2append)
{
if (strDest == TEXT("") && str2append == TEXT("")) // "" + ""
{
strDest = TEXT("\\");
return strDest;
}
if (strDest == TEXT("") && str2append != TEXT("")) // "" + titi
{
strDest = str2append;
return strDest;
}
if (strDest[strDest.length() - 1] == '\\' && (str2append != TEXT("") && str2append[0] == '\\')) // toto\ + \titi
{
strDest.erase(strDest.length() - 1, 1);
strDest += str2append;
return strDest;
}
if ((strDest[strDest.length() - 1] == '\\' && (str2append != TEXT("") && str2append[0] != '\\')) // toto\ + titi
|| (strDest[strDest.length() - 1] != '\\' && (str2append != TEXT("") && str2append[0] == '\\'))) // toto + \titi
{
strDest += str2append;
return strDest;
}
// toto + titi
strDest += TEXT("\\");
strDest += str2append;
return strDest;
}
generic_string PathRemoveFileSpec(generic_string & path)
{
generic_string::size_type lastBackslash = path.find_last_of(TEXT('\\'));
if (lastBackslash == generic_string::npos)
{
if (path.size() >= 2 && path[1] == TEXT(':')) // "C:foo.bar" becomes "C:"
path.erase(2);
else
path.erase();
}
else
{
if (lastBackslash == 2 && path[1] == TEXT(':') && path.size() >= 3) // "C:\foo.exe" becomes "C:\"
path.erase(3);
else if (lastBackslash == 0 && path.size() > 1) // "\foo.exe" becomes "\"
path.erase(1);
else
path.erase(lastBackslash);
}
return path;
}