forked from sheetjs/sheetjs
		
	
		
			
				
	
	
		
			125 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 
 | |
| /* [MS-XLSB] 2.5.143 */
 | |
| var parse_StrRun = function(data, length) {
 | |
| 	return { ich: data.read_shift(2), ifnt: data.read_shift(2) };
 | |
| };
 | |
| 
 | |
| /* [MS-XLSB] 2.1.7.121 */
 | |
| var parse_RichStr = function(data, length) {
 | |
| 	var start = data.l;
 | |
| 	var flags = data.read_shift(1);
 | |
| 	var fRichStr = flags & 1, fExtStr = flags & 2;
 | |
| 	var str = parse_XLWideString(data);
 | |
| 	var rgsStrRun = [];
 | |
| 	var z = {
 | |
| 		t: str,
 | |
| 		r:"<t>" + escapexml(str) + "</t>",
 | |
| 		h: str
 | |
| 	};
 | |
| 	if(fRichStr) {
 | |
| 		/* TODO: formatted string */
 | |
| 		var dwSizeStrRun = data.read_shift(4);
 | |
| 		for(var i = 0; i != dwSizeStrRun; ++i) rgsStrRun.push(parse_StrRun(data));
 | |
| 		z.r = JSON.stringify(rgsStrRun);
 | |
| 	}
 | |
| 	if(fExtStr) {
 | |
| 		/* TODO: phonetic string */
 | |
| 	}
 | |
| 	data.l = start + length;
 | |
| 	return z;
 | |
| };
 | |
| 
 | |
| /* [MS-XLSB] 2.5.9 */
 | |
| function parse_Cell(data) {
 | |
| 	var col = data.read_shift(4);
 | |
| 	var iStyleRef = data.read_shift(2);
 | |
| 	iStyleRef += data.read_shift(1) <<16;
 | |
| 	var fPhShow = data.read_shift(1);
 | |
| 	return { c:col, iStyleRef: iStyleRef };
 | |
| }
 | |
| 
 | |
| /* [MS-XLSB] 2.5.21 */
 | |
| var parse_CodeName = function(data, length) { return parse_XLWideString(data, length); };
 | |
| 
 | |
| /* [MS-XLSB] 2.5.114 */
 | |
| var parse_RelID = function(data, length) { return parse_XLNullableWideString(data, length); };
 | |
| 
 | |
| /* [MS-XLSB] 2.5.122 */
 | |
| function parse_RkNumber(data) {
 | |
| 	var b = data.slice(data.l, data.l+4);
 | |
| 	var fX100 = b[0] & 1, fInt = b[0] & 2;
 | |
| 	data.l+=4;
 | |
| 	b[0] &= ~3;
 | |
| 	var RK = fInt === 0 ? __readDoubleLE([0,0,0,0,b[0],b[1],b[2],b[3]],0) : __readInt32LE(b,0)>>2;
 | |
| 	return fX100 ? RK/100 : RK;
 | |
| }
 | |
| 
 | |
| /* [MS-XLSB] 2.5.153 */
 | |
| var parse_UncheckedRfX = function(data) {
 | |
| 	var cell = {s: {}, e: {}};
 | |
| 	cell.s.r = data.read_shift(4);
 | |
| 	cell.e.r = data.read_shift(4);
 | |
| 	cell.s.c = data.read_shift(4);
 | |
| 	cell.e.c = data.read_shift(4);
 | |
| 	return cell;
 | |
| };
 | |
| 
 | |
| /* [MS-XLSB] 2.5.166 */
 | |
| var parse_XLNullableWideString = function(data) {
 | |
| 	var cchCharacters = data.read_shift(4);
 | |
| 	return cchCharacters === 0 || cchCharacters === 0xFFFFFFFF ? "" : data.read_shift('dbcs', cchCharacters);
 | |
| };
 | |
| 
 | |
| /* [MS-XLSB] 2.5.168 */
 | |
| var parse_XLWideString = function(data) {
 | |
| 	var cchCharacters = data.read_shift(4);
 | |
| 	return cchCharacters === 0 ? "" : data.read_shift('dbcs', cchCharacters);
 | |
| };
 | |
| 
 | |
| /* [MS-XLSB] 2.5.171 */
 | |
| function parse_Xnum(data, length) { return data.read_shift('ieee754'); }
 | |
| 
 | |
| /* [MS-XLSB] 2.5.198.2 */
 | |
| var BErr = {
 | |
| 	0x00: "#NULL!",
 | |
| 	0x07: "#DIV/0!",
 | |
| 	0x0F: "#VALUE!",
 | |
| 	0x17: "#REF!",
 | |
| 	0x1D: "#NAME?",
 | |
| 	0x24: "#NUM!",
 | |
| 	0x2A: "#N/A",
 | |
| 	0x2B: "#GETTING_DATA",
 | |
| 	0xFF: "#WTF?"
 | |
| };
 | |
| var RBErr = evert(BErr);
 | |
| 
 | |
| /* [MS-XLSB] 2.4.321 BrtColor */
 | |
| function parse_BrtColor(data, length) {
 | |
| 	var read = data.read_shift.bind(data);
 | |
| 	var out = {};
 | |
| 	var d = read(1);
 | |
| 	out.fValidRGB = d & 1;
 | |
| 	out.xColorType = d >>> 1;
 | |
| 	out.index = read(1);
 | |
| 	out.nTintAndShade = read(2, 'i');
 | |
| 	out.bRed   = read(1);
 | |
| 	out.bGreen = read(1);
 | |
| 	out.bBlue  = read(1);
 | |
| 	out.bAlpha = read(1);
 | |
| }
 | |
| 
 | |
| /* [MS-XLSB 2.5.52 */
 | |
| function parse_FontFlags(data, length) {
 | |
| 	var d = data.read_shift(1);
 | |
| 	data.l++;
 | |
| 	var out = {
 | |
| 		fItalic: d & 0x2,
 | |
| 		fStrikeout: d & 0x8,
 | |
| 		fOutline: d & 0x10,
 | |
| 		fShadow: d & 0x20,
 | |
| 		fCondense: d & 0x40,
 | |
| 		fExtend: d & 0x80
 | |
| 	};
 | |
| 	return out;
 | |
| }
 |