private char GetStringOctal(int c)
{
StringBuilder builder = new StringBuilder();
builder.Append((char)c);
if (EcmaChar.IsOctalDigit(this.Reader.Peek()))
{
builder.Append((char)this.Reader.Read());
if (c >= '0' && c <= '3' && EcmaChar.IsOctalDigit(this.Reader.Peek()))
{
builder.Append((char)this.Reader.Read());
}
}
return((char)Convert.ToInt32(builder.ToString(), 8));
}
private TokenBuffer GetString(int stop)
{
int c;
StringBuilder str = new StringBuilder();
while (true)
{
c = this.Reader.Read();
if (EcmaChar.IsLineTerminator(c))
{
throw new EcmaRuntimeException("A string cant containe a line terminator. Use \\n instance");
}
if (c == stop)
{
return(new TokenBuffer(TokenType.String, str.ToString(), this.LastLineStart));
}
if (c == '\\')
{
c = this.Reader.Read();
switch (c)
{
case '\'':
str.Append("'");
break;
case '"':
str.Append("\"");
break;
case '\\':
str.Append('\\');
break;
case 'b':
str.Append('\u0008');
break;
case 't':
str.Append('\u0009');
break;
case 'n':
str.Append('\u000A');
break;
case 'f':
str.Append("\u000C");
break;
case 'r':
str.Append('\u000D');
break;
case 'x':
str.Append(GetStringHex());
break;
case 'u':
str.Append(GetStringUnicode());
break;
default:
if (EcmaChar.IsOctalDigit(c))
{
str.Append(GetStringOctal(c));
}
str.Append((char)c);
break;
}
continue;
}
str.Append((char)c);
}
}
