internal Token(Parser parser, string text, int line, int position) {
this.parser = parser;
this.text=text;
this.line=line;
this.position=position;
size=text.Length;
try {
if(text.StartsWith("\"") || text.StartsWith("`")) {
type=Type.STRING;
obj=Parser.ParseString(text);
} else if(text.StartsWith("'")) {
type=Type.CHARACTER;
obj=text[1];
} else if(text.Equals("null")) {
type=Type.NULL;
obj=null;
} else if(text.Equals("true") || text.Equals("on")) {
type=Type.BOOLEAN;
obj=true;
} else if(text.Equals("false") || text.Equals("off")) {
type=Type.BOOLEAN;
obj=false;
} else if(text.StartsWith("[")) {
type=Type.BINARY;
obj=Parser.ParseBinary(text);
} else if(text[0]!='/' && text.IndexOf('/')!=-1 &&
text.IndexOf(':')==-1) {
type=Type.DATE;
obj = Parser.ParseDateTime(text);
} else if(text[0]!=':' && text.IndexOf(':')!=-1) {
type=Type.TIME;
obj = ParseTimeSpanWithZone(text);
} else if("01234567890-.".IndexOf(text[0])!=-1) {
type=Type.NUMBER;
obj=Parser.ParseNumber(text);
} else if (text[0]=='{') {
type=Type.START_BLOCK;
} else if (text[0]=='}') {
type=Type.END_BLOCK;
} else if (text[0]=='=') {
type=Type.EQUALS;
} else if (text[0]==':') {
type=Type.COLON;
} else {
type = Type.IDENTIFIER;
}
} catch(FormatException fe) {
throw new SDLParseException(fe.Message, line,
position);
}
punctuation = type==Type.COLON || type==Type.EQUALS ||
type==Type.START_BLOCK || type==Type.END_BLOCK;
literal = type!=Type.IDENTIFIER && !punctuation;
}
/// <summary>
/// Add all the tags specified in the given Reader to this Tag.
/// </summary>
/// <param name="reader">A reader containing SDL source</param>
/// <returns>This tag after adding all the children read from the reader
/// </returns>
/// <exception cref="System.IO.IOException">If there is an IO problem
/// while reading the source</exception>
/// <exception cref="SDLParseException">If the SDL input is malformed
/// </exception>
public Tag Read(TextReader reader) {
IList<Tag> tags = new Parser(reader).Parse();
foreach(Tag t in tags)
AddChild(t);
return this;
}