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var RTF = (function() {	function rtf_to_sheet(d/*:RawData*/, opts)/*:Worksheet*/ {		switch(opts.type) {			case 'base64': return rtf_to_sheet_str(Base64.decode(d), opts);			case 'binary': return rtf_to_sheet_str(d, opts);			case 'buffer': return rtf_to_sheet_str(has_buf && Buffer.isBuffer(d) ? d.toString('binary') : a2s(d), opts);			case 'array':  return rtf_to_sheet_str(cc2str(d), opts);		}		throw new Error("Unrecognized type " + opts.type);	}
	/* TODO: this is a stub */	function rtf_to_sheet_str(str/*:string*/, opts)/*:Worksheet*/ {		var o = opts || {};		var ws/*:Worksheet*/ = o.dense ? ([]/*:any*/) : ({}/*:any*/);
		var rows = str.match(/\\trowd.*?\\row\b/g);		if(!rows.length) throw new Error("RTF missing table");		var range/*:Range*/ = ({s: {c:0, r:0}, e: {c:0, r:rows.length - 1}}/*:any*/);		rows.forEach(function(rowtf, R) {			if(Array.isArray(ws)) ws[R] = [];			var rtfre = /\\\w+\b/g;			var last_index = 0;			var res;			var C = -1;			while((res = rtfre.exec(rowtf))) {				switch(res[0]) {					case "\\cell":						var data = rowtf.slice(last_index, rtfre.lastIndex - res[0].length);						if(data[0] == " ") data = data.slice(1);						++C;						if(data.length) {							// TODO: value parsing, including codepage adjustments							var cell = {v: data, t:"s"};							if(Array.isArray(ws)) ws[R][C] = cell;							else ws[encode_cell({r:R, c:C})] = cell;						}						break;				}				last_index = rtfre.lastIndex;			}			if(C > range.e.c) range.e.c = C;		});		ws['!ref'] = encode_range(range);		return ws;	}
	function rtf_to_workbook(d/*:RawData*/, opts)/*:Workbook*/ { return sheet_to_workbook(rtf_to_sheet(d, opts), opts); }
	/* TODO: this is a stub */	function sheet_to_rtf(ws/*:Worksheet*//*::, opts*/)/*:string*/ {		var o = ["{\\rtf1\\ansi"];		var r = safe_decode_range(ws['!ref']), cell/*:Cell*/;		var dense = Array.isArray(ws);		for(var R = r.s.r; R <= r.e.r; ++R) {			o.push("\\trowd\\trautofit1");			for(var C = r.s.c; C <= r.e.c; ++C) o.push("\\cellx" + (C+1));			o.push("\\pard\\intbl");			for(C = r.s.c; C <= r.e.c; ++C) {				var coord = encode_cell({r:R,c:C});				cell = dense ? (ws[R]||[])[C]: ws[coord];				if(!cell || cell.v == null && (!cell.f || cell.F)) continue;				o.push(" " + (cell.w || (format_cell(cell), cell.w)));				o.push("\\cell");			}			o.push("\\pard\\intbl\\row");		}		return o.join("") + "}";	}
	return {		to_workbook: rtf_to_workbook,		to_sheet: rtf_to_sheet,		from_sheet: sheet_to_rtf	};})();