CPPValue parseCharacter() // does not work for '\n' and the alike
{
if (g_strToken[1]=='\\')
{
switch(g_strToken[2])
{
case 'n': return CPPValue((long)'\n');
case 't': return CPPValue((long)'\t');
case 'v': return CPPValue((long)'\v');
case 'b': return CPPValue((long)'\b');
case 'r': return CPPValue((long)'\r');
case 'f': return CPPValue((long)'\f');
case 'a': return CPPValue((long)'\a');
case '\\': return CPPValue((long)'\\');
case '?': return CPPValue((long)'\?');
case '\'': return CPPValue((long)'\'');
case '"': return CPPValue((long)'"');
case '0': // fall through
case '1': // fall through
case '2': // fall through
case '3': // fall through
case '4': // fall through
case '5': // fall through
case '6': // fall through
case '7': // fall through
return parseOctal();
case 'x':
case 'X': return parseHexadecimal();
default: printf("Invalid escape sequence %s found!\n",g_strToken.data());
return CPPValue(0L);
}
}
return CPPValue((long)g_strToken[1]);
}
CMString WCPattern::parseEscape(bool & inv, bool & quo)
{
wchar_t ch = pattern[curInd++];
CMString classes;
if (curInd > pattern.GetLength()) {
raiseError();
return "";
}
quo = 0;
inv = 0;
switch (ch) {
case 'p': classes = parsePosix(); break;
case 'P': classes = L"!!"; classes += parsePosix(); break;
case 'd': classes = L"0123456789"; break;
case 'D': classes = L"!!0123456789"; break;
case 's': classes = L" \t\r\n\f"; break;
case 'S': classes = L"!! \t\r\n\f"; break;
case 'w': classes = L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"; break;
case 'W': classes = L"!!abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"; break;
case '0': classes = parseOctal(); break;
case 'x': classes = parseHex(); break;
case 'Q': quo = 1; break;
case 't': classes = L"\t"; break;
case 'r': classes = L"\r"; break;
case 'n': classes = L"\n"; break;
case 'f': classes = L"\f"; break;
case 'a': classes = L"\a"; break;
case 'e': classes = L"\r"; break;
default: classes.AppendChar(ch); break;
}
if (classes.Mid(0, 2) == L"!!") {
classes = classes.Mid(2);
inv = 1;
}
return classes;
}
