static string ReadString(SimpleStringReader reader)
{
var buffer = new StringBuilder();
buffer.Append(DoubleQuote);
reader.Advance();
while (reader.Current != DoubleQuote)
{
int ch = reader.Current;
if (ch == -1)
{
throw new ParseException("Unexpectic EOF while reading string '" + buffer.ToString() + "'");
}
if (ch == Slash)
{
reader.Advance();
ch = EscapeChar(reader.Current);
}
buffer.Append(Convert.ToChar(ch));
reader.Advance();
}
buffer.Append(DoubleQuote);
return(buffer.ToString());
}
static void DiscardWhile(SimpleStringReader reader, Func <int, bool> predicate)
{
while (reader.Available && predicate(reader.Current))
{
reader.Advance();
}
}
void ProcessInput(string input)
{
var reader = new SimpleStringReader(input);
while (reader.Current != -1)
{
if (reader.Current == SemiColon)
{
DiscardWhile(reader, IsNotNewline);
}
else if (Conversions.ContainsKey(reader.Current))
{
Emit(Conversions[reader.Current]);
}
else if (reader.Current == DoubleQuote)
{
Emit(ReadString(reader));
}
else if (IsWhitespace(reader.Current))
{
DiscardWhile(reader, IsWhitespace);
continue;
}
else
{
Emit(ReadAtom(reader));
continue;
}
reader.Advance();
}
}
static string ReadAtom(SimpleStringReader reader)
{
var buffer = new StringBuilder();
while (reader.Available && !IsAtomEnd(reader.Current))
{
buffer.Append(Convert.ToChar(reader.Current));
reader.Advance();
}
return(buffer.ToString());
}