sheetjs/bits/73_wsbin.js
SheetJS 5c4b5827b5 version bump 0.5.9: sheetRows partial processing
- 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
2014-02-18 22:03:28 -05:00

219 lines
6.1 KiB
JavaScript

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