module twoda;

import std.string;
import std.conv : to;
import std.regex;


class TwoDA{
	import std.regex;
	import std.file;

	class ParseException : Exception{
		this(in string s){super(s);}
	}

	this(string filepath){
		lastLine = 0;
		foreach(index, line ; readText(filepath).splitLines){
			
			string data[]; 

			auto results = matchAll(line, rgxField);
			if(results.empty)
				throw new ParseException("Could not parse fields in line: "~filepath~":"~index.to!string);

			foreach(res ; results){
				string s;
				if(res[0][0]=='"')	data~= res[2];
				else				data~= res[1];
			}

			if(index==0){
				header = data;
			}
			else{
				if(data.length != header.length)
					throw new ParseException("Incorrect number of fields: "~filepath~":"~index.to!string);

				int nLine = data[0].to!int;
				values[nLine] = data[1..$];
				//writeln(values[nLine]);

				if(nLine > lastLine)
					lastLine = nLine;
			}

		}

	}


	string[] header;
	string[][uint] values;
	uint lastLine;
	enum rgxField = ctRegex!"(?:\\b([^\\s]+?)\\b|\"([^\"]+?)\")";
}