forked from sheetjs/sheetjs
SheetJS
5c4b5827b5
- opts.sheetRows limits parsing; default (0) parses all rows - added -n mode to xlsx2csv to control number of rows - !ref will be adjusted; !fullref holds full range
219 lines
6.1 KiB
JavaScript
219 lines
6.1 KiB
JavaScript
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/* [MS-XLSB] 2.4.718 BrtRowHdr */
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var parse_BrtRowHdr = function(data, length) {
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var z = {};
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z.r = data.read_shift(4);
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data.l += length-4;
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return z;
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};
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/* [MS-XLSB] 2.4.812 BrtWsDim */
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var parse_BrtWsDim = parse_UncheckedRfX;
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/* [MS-XLSB] 2.4.815 BrtWsProp */
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var parse_BrtWsProp = function(data, length) {
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var z = {};
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/* TODO: pull flags */
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data.l += 19;
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z.name = parse_CodeName(data, length - 19);
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return z;
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};
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/* [MS-XLSB] 2.4.303 BrtCellBlank */
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var parse_BrtCellBlank = parsenoop;
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/* [MS-XLSB] 2.4.304 BrtCellBool */
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var parse_BrtCellBool = function(data, length) {
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var cell = parse_Cell(data);
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var fBool = data.read_shift(1);
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return [cell, fBool, 'b'];
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};
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/* [MS-XLSB] 2.4.305 BrtCellError */
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var parse_BrtCellError = function(data, length) {
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var cell = parse_Cell(data);
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var fBool = data.read_shift(1);
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return [cell, fBool, 'e'];
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};
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/* [MS-XLSB] 2.4.308 BrtCellIsst */
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var parse_BrtCellIsst = function(data, length) {
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var cell = parse_Cell(data);
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var isst = data.read_shift(4);
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return [cell, isst, 's'];
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};
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/* [MS-XLSB] 2.4.310 BrtCellReal */
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var parse_BrtCellReal = function(data, length) {
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var cell = parse_Cell(data);
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var value = parse_Xnum(data);
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return [cell, value, 'n'];
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};
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/* [MS-XLSB] 2.4.311 BrtCellRk */
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var parse_BrtCellRk = function(data, length) {
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var cell = parse_Cell(data);
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var value = parse_RkNumber(data);
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return [cell, value, 'n'];
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};
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/* [MS-XLSB] 2.4.314 BrtCellSt */
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var parse_BrtCellSt = function(data, length) {
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var cell = parse_Cell(data);
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var value = parse_XLWideString(data);
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return [cell, value, 'str'];
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};
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/* [MS-XLSB] 2.4.647 BrtFmlaBool */
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var parse_BrtFmlaBool = function(data, length, opts) {
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var cell = parse_Cell(data);
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var value = data.read_shift(1);
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var o = [cell, value, 'b'];
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if(opts.cellFormula) {
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var formula = parse_CellParsedFormula(data, length-9);
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o[3] = ""; /* TODO */
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}
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else data.l += length-9;
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return o;
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};
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/* [MS-XLSB] 2.4.648 BrtFmlaError */
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var parse_BrtFmlaError = function(data, length, opts) {
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var cell = parse_Cell(data);
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var value = data.read_shift(1);
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var o = [cell, value, 'e'];
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if(opts.cellFormula) {
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var formula = parse_CellParsedFormula(data, length-9);
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o[3] = ""; /* TODO */
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}
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else data.l += length-9;
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return o;
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};
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/* [MS-XLSB] 2.4.649 BrtFmlaNum */
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var parse_BrtFmlaNum = function(data, length, opts) {
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var cell = parse_Cell(data);
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var value = parse_Xnum(data);
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var o = [cell, value, 'n'];
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if(opts.cellFormula) {
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var formula = parse_CellParsedFormula(data, length - 16);
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o[3] = ""; /* TODO */
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}
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else data.l += length-16;
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return o;
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};
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/* [MS-XLSB] 2.4.650 BrtFmlaString */
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var parse_BrtFmlaString = function(data, length, opts) {
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var start = data.l;
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var cell = parse_Cell(data);
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var value = parse_XLWideString(data);
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var o = [cell, value, 'str'];
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if(opts.cellFormula) {
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var formula = parse_CellParsedFormula(data, start + length - data.l);
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o[3] = ""; /* TODO */
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}
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else data.l = start + length;
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return o;
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};
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/* [MS-XLSB] 2.1.7.61 Worksheet */
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var parse_ws_bin = function(data, opts) {
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if(!data) return data;
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var s = {};
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var ref;
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var refguess = {s: {r:1000000, c:1000000}, e: {r:0, c:0} };
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var pass = false, end = false;
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var row, p, cf;
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recordhopper(data, function(val, R) {
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if(end) return;
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switch(R.n) {
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case 'BrtWsDim': ref = val; break;
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case 'BrtRowHdr':
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row = val;
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if(opts.sheetRows && opts.sheetRows <= row.r) end=true;
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break;
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case 'BrtFmlaBool':
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case 'BrtFmlaError':
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case 'BrtFmlaNum':
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case 'BrtFmlaString':
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case 'BrtCellBool':
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case 'BrtCellError':
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case 'BrtCellIsst':
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case 'BrtCellReal':
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case 'BrtCellRk':
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p = {t:val[2]};
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switch(val[2]) {
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case 'n': p.v = val[1]; break;
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case 's': p.v = strs[val[1]].t; p.r = strs[val[1]].r; break;
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case 'b': p.v = val[1] ? true : false; break;
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case 'e': p.raw = val[1]; p.v = BErr[p.raw]; break;
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case 'str': p.v = utf8read(val[1]); break;
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}
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if(opts.cellFormula && val.length > 3) p.f = val[3];
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if((cf = styles.CellXf[val[0].iStyleRef])) try {
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p.w = SSF.format(cf.ifmt,p.v,_ssfopts);
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if(opts.cellNF) p.z = SSF._table[cf.ifmt];
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} catch(e) { if(opts.WTF) throw e; }
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s[encode_cell({c:val[0].c,r:row.r})] = p;
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if(refguess.s.r > row.r) refguess.s.r = row.r;
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if(refguess.s.c > val[0].c) refguess.s.c = val[0].c;
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if(refguess.e.r < row.r) refguess.e.r = row.r;
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if(refguess.e.c < val[0].c) refguess.e.c = val[0].c;
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break;
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case 'BrtCellBlank': break; // (blank cell)
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case 'BrtArrFmla': break; // TODO
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case 'BrtShrFmla': break; // TODO
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case 'BrtBeginSheet': break;
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case 'BrtWsProp': break; // TODO
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case 'BrtSheetCalcProp': break; // TODO
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case 'BrtBeginWsViews': break; // TODO
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case 'BrtBeginWsView': break; // TODO
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case 'BrtEndWsView': break; // TODO
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case 'BrtEndWsViews': break; // TODO
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case 'BrtSel': break; // TODO
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case 'BrtACBegin': break; // TODO
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case 'BrtACEnd': break; // TODO
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case 'BrtWsFmtInfoEx14': break; // TODO
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case 'BrtWsFmtInfo': break; // TODO
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case 'BrtBeginColInfos': break; // TODO
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case 'BrtColInfo': break; // TODO
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case 'BrtEndColInfos': break; // TODO
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case 'BrtBeginSheetData': break; // TODO
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case 'BrtEndSheetData': break; // TODO
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case 'BrtSheetProtection': break; // TODO
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case 'BrtPrintOptions': break; // TODO
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case 'BrtMargins': break; // TODO
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case 'BrtPageSetup': break; // TODO
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case 'BrtFRTBegin': pass = true; break;
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case 'BrtFRTEnd': pass = false; break;
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case 'BrtEndSheet': break; // TODO
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case 'BrtBeginMergeCells': break; // TODO
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case 'BrtMergeCell': break; // TODO
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case 'BrtEndMergeCells': break; // TODO
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case 'BrtLegacyDrawing': break; // TODO
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//default: if(!pass) throw new Error("Unexpected record " + R.n);
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}
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}, opts);
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s["!ref"] = encode_range(ref);
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if(opts.sheetRows) {
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var tmpref = decode_range(s["!ref"]);
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if(opts.sheetRows < +tmpref.e.r) {
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tmpref.e.r = opts.sheetRows - 1;
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if(tmpref.e.r > refguess.e.r) tmpref.e.r = refguess.e.r;
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if(tmpref.e.r < tmpref.s.r) tmpref.s.r = tmpref.e.r;
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if(tmpref.e.c > refguess.e.c) tmpref.e.c = refguess.e.c;
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if(tmpref.e.c < tmpref.s.c) tmpref.s.c = tmpref.e.c;
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s["!fullref"] = s["!ref"];
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s["!ref"] = encode_range(tmpref);
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}
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}
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return s;
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};
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