forked from sheetjs/sheetjs
SheetJS
56b10f3616
- test script normalized - proper handling of empty sheet ranges - xlsb sheetStubs and calcchain parsing - jshint passes - updated SSF to 0.6.2
125 lines
3.0 KiB
JavaScript
125 lines
3.0 KiB
JavaScript
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/* [MS-XLSB] 2.5.143 */
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var parse_StrRun = function(data, length) {
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return { ich: data.read_shift(2), ifnt: data.read_shift(2) };
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};
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/* [MS-XLSB] 2.1.7.121 */
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var parse_RichStr = function(data, length) {
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var start = data.l;
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var flags = data.read_shift(1);
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var fRichStr = flags & 1, fExtStr = flags & 2;
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var str = parse_XLWideString(data);
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var rgsStrRun = [];
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var z = {
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t: str,
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r:"<t>" + escapexml(str) + "</t>",
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h: str
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};
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if(fRichStr) {
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/* TODO: formatted string */
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var dwSizeStrRun = data.read_shift(4);
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for(var i = 0; i != dwSizeStrRun; ++i) rgsStrRun.push(parse_StrRun(data));
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z.r = JSON.stringify(rgsStrRun);
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}
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if(fExtStr) {
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/* TODO: phonetic string */
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}
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data.l = start + length;
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return z;
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};
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/* [MS-XLSB] 2.5.9 */
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function parse_Cell(data) {
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var col = data.read_shift(4);
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var iStyleRef = data.read_shift(2);
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iStyleRef += data.read_shift(1) <<16;
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var fPhShow = data.read_shift(1);
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return { c:col, iStyleRef: iStyleRef };
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}
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/* [MS-XLSB] 2.5.21 */
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var parse_CodeName = function(data, length) { return parse_XLWideString(data, length); };
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/* [MS-XLSB] 2.5.114 */
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var parse_RelID = function(data, length) { return parse_XLNullableWideString(data, length); };
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/* [MS-XLSB] 2.5.122 */
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function parse_RkNumber(data) {
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var b = data.slice(data.l, data.l+4);
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var fX100 = b[0] & 1, fInt = b[0] & 2;
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data.l+=4;
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b[0] &= ~3;
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var RK = fInt === 0 ? __readDoubleLE([0,0,0,0,b[0],b[1],b[2],b[3]],0) : __readInt32LE(b,0)>>2;
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return fX100 ? RK/100 : RK;
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}
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/* [MS-XLSB] 2.5.153 */
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var parse_UncheckedRfX = function(data) {
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var cell = {s: {}, e: {}};
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cell.s.r = data.read_shift(4);
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cell.e.r = data.read_shift(4);
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cell.s.c = data.read_shift(4);
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cell.e.c = data.read_shift(4);
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return cell;
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};
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/* [MS-XLSB] 2.5.166 */
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var parse_XLNullableWideString = function(data) {
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var cchCharacters = data.read_shift(4);
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return cchCharacters === 0 || cchCharacters === 0xFFFFFFFF ? "" : data.read_shift('dbcs', cchCharacters);
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};
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/* [MS-XLSB] 2.5.168 */
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var parse_XLWideString = function(data) {
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var cchCharacters = data.read_shift(4);
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return cchCharacters === 0 ? "" : data.read_shift('dbcs', cchCharacters);
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};
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/* [MS-XLSB] 2.5.171 */
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function parse_Xnum(data, length) { return data.read_shift('ieee754'); }
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/* [MS-XLSB] 2.5.198.2 */
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var BErr = {
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0x00: "#NULL!",
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0x07: "#DIV/0!",
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0x0F: "#VALUE!",
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0x17: "#REF!",
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0x1D: "#NAME?",
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0x24: "#NUM!",
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0x2A: "#N/A",
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0x2B: "#GETTING_DATA",
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0xFF: "#WTF?"
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};
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var RBErr = evert(BErr);
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/* [MS-XLSB] 2.4.321 BrtColor */
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function parse_BrtColor(data, length) {
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var read = data.read_shift.bind(data);
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var out = {};
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var d = read(1);
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out.fValidRGB = d & 1;
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out.xColorType = d >>> 1;
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out.index = read(1);
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out.nTintAndShade = read(2, 'i');
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out.bRed = read(1);
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out.bGreen = read(1);
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out.bBlue = read(1);
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out.bAlpha = read(1);
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}
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/* [MS-XLSB 2.5.52 */
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function parse_FontFlags(data, length) {
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var d = data.read_shift(1);
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data.l++;
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var out = {
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fItalic: d & 0x2,
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fStrikeout: d & 0x8,
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fOutline: d & 0x10,
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fShadow: d & 0x20,
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fCondense: d & 0x40,
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fExtend: d & 0x80,
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};
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return out;
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}
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