forked from sheetjs/sheetjs
SheetJS
f43cacaf5e
- browser demo save file in global (fixes #573 h/t @WildDusk) - flesh out XLSB record expectations (fixes #624 h/t @pgeeh) - `dense` mode (fixes #34 h/t @schleumer)
242 lines
6.8 KiB
JavaScript
242 lines
6.8 KiB
JavaScript
/* [MS-XLSB] 2.4.301 BrtBundleSh */
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function parse_BrtBundleSh(data, length/*:number*/) {
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var z = {};
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z.Hidden = data.read_shift(4); //hsState ST_SheetState
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z.iTabID = data.read_shift(4);
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z.strRelID = parse_RelID(data,length-8);
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z.name = parse_XLWideString(data);
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return z;
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}
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function write_BrtBundleSh(data, o) {
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if(!o) o = new_buf(127);
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o.write_shift(4, data.Hidden);
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o.write_shift(4, data.iTabID);
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write_RelID(data.strRelID, o);
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write_XLWideString(data.name.substr(0,31), o);
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return o.length > o.l ? o.slice(0, o.l) : o;
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}
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/* [MS-XLSB] 2.4.807 BrtWbProp */
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function parse_BrtWbProp(data, length) {
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data.read_shift(4);
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var dwThemeVersion = data.read_shift(4);
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var strName = (length > 8) ? parse_XLWideString(data) : "";
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return [dwThemeVersion, strName];
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}
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function write_BrtWbProp(data, o) {
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if(!o) o = new_buf(68);
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o.write_shift(4, 0);
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o.write_shift(4, 0);
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write_XLSBCodeName("ThisWorkbook", o);
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return o.slice(0, o.l);
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}
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function parse_BrtFRTArchID$(data, length) {
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var o = {};
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data.read_shift(4);
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o.ArchID = data.read_shift(4);
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data.l += length - 8;
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return o;
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}
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/* [MS-XLSB] 2.4.680 BrtName */
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function parse_BrtName(data, length, opts) {
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var end = data.l + length;
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var flags = data.read_shift(4);
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var chKey = data.read_shift(1);
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var itab = data.read_shift(4);
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var name = parse_XLNameWideString(data);
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var formula = parse_XLSBNameParsedFormula(data, 0, opts);
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var comment = parse_XLNullableWideString(data);
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//if(0 /* fProc */) {
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// unusedstring1: XLNullableWideString
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// description: XLNullableWideString
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// helpTopic: XLNullableWideString
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// unusedstring2: XLNullableWideString
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//}
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data.l = end;
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return {Name:name, Ptg:formula, Comment:comment};
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}
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/* [MS-XLSB] 2.1.7.60 Workbook */
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function parse_wb_bin(data, opts)/*:WorkbookFile*/ {
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var wb = { AppVersion:{}, WBProps:{}, WBView:[], Sheets:[], CalcPr:{}, xmlns: "" };
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var pass = false, z;
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if(!opts) opts = {};
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opts.biff = 12;
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var Names = {}, NameList = [];
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recordhopper(data, function hopper_wb(val, R, RT) {
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switch(R.n) {
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case 'BrtBundleSh': wb.Sheets.push(val); break;
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case 'BrtName':
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Names[val.Name] = val; NameList.push(val.Name);
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break;
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case 'BrtNameExt': break;
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case 'BrtAbsPath15': break;
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case 'BrtBookProtection': break;
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case 'BrtBookProtectionIso': break;
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case 'BrtBookView': break;
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case 'BrtCalcProp': break;
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case 'BrtCrashRecErr': break;
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case 'BrtDecoupledPivotCacheID': break;
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case 'BrtExternSheet': break;
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case 'BrtFileRecover': break;
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case 'BrtFileSharing': break;
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case 'BrtFileSharingIso': break;
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case 'BrtFileVersion': break;
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case 'BrtFnGroup': break;
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case 'BrtModelRelationship': break;
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case 'BrtModelTable': break;
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case 'BrtModelTimeGroupingCalcCol': break;
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case 'BrtOleSize': break;
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case 'BrtPivotTableRef': break;
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case 'BrtPlaceholderName': break;
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case 'BrtRevisionPtr': break;
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case 'BrtSmartTagType': break;
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case 'BrtSupAddin': break;
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case 'BrtSupBookSrc': break;
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case 'BrtSupSame': break;
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case 'BrtSupSelf': break;
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case 'BrtTableSlicerCacheID': break;
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case 'BrtTableSlicerCacheIDs': break;
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case 'BrtTimelineCachePivotCacheID': break;
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case 'BrtUid': break;
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case 'BrtUserBookView': break;
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case 'BrtWbFactoid': break;
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case 'BrtWbProp': break;
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case 'BrtWbProp14': break;
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case 'BrtWebOpt': break;
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case 'BrtWorkBookPr15': break;
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case 'BrtFRTBegin': pass = true; break;
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case 'BrtFRTEnd': pass = false; break;
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case 'BrtACBegin': break;
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case 'BrtACEnd': break;
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case 'BrtFRTArchID$': break;
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default:
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if((R.n||"").indexOf("Begin") > 0){}
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else if((R.n||"").indexOf("End") > 0){}
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else if(!pass || opts.WTF) throw new Error("Unexpected record " + RT + " " + R.n);
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}
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}, opts);
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parse_wb_defaults(wb);
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Names['!names'] = NameList;
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// $FlowIgnore
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wb.Names = Names;
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return wb;
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}
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/* [MS-XLSB] 2.1.7.60 Workbook */
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function write_BUNDLESHS(ba, wb, opts) {
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write_record(ba, "BrtBeginBundleShs");
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for(var idx = 0; idx != wb.SheetNames.length; ++idx) {
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var viz = wb.Workbook && wb.Workbook.Sheets && wb.Workbook.Sheets[idx] && wb.Workbook.Sheets[idx].Hidden || 0;
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var d = { Hidden: viz, iTabID: idx+1, strRelID: 'rId' + (idx+1), name: wb.SheetNames[idx] };
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write_record(ba, "BrtBundleSh", write_BrtBundleSh(d));
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}
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write_record(ba, "BrtEndBundleShs");
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}
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/* [MS-XLSB] 2.4.643 BrtFileVersion */
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function write_BrtFileVersion(data, o) {
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if(!o) o = new_buf(127);
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for(var i = 0; i != 4; ++i) o.write_shift(4, 0);
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write_XLWideString("SheetJS", o);
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write_XLWideString(XLSX.version, o);
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write_XLWideString(XLSX.version, o);
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write_XLWideString("7262", o);
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o.length = o.l;
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return o.length > o.l ? o.slice(0, o.l) : o;
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}
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/* [MS-XLSB] 2.4.298 BrtBookView */
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function write_BrtBookView(idx, o) {
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if(!o) o = new_buf(29);
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o.write_shift(-4, 0);
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o.write_shift(-4, 460);
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o.write_shift(4, 28800);
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o.write_shift(4, 17600);
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o.write_shift(4, 500);
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o.write_shift(4, idx);
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o.write_shift(4, idx);
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var flags = 0x78;
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o.write_shift(1, flags);
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return o.length > o.l ? o.slice(0, o.l) : o;
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}
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/* [MS-XLSB] 2.1.7.60 Workbook */
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function write_BOOKVIEWS(ba, wb, opts) {
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/* required if hidden tab appears before visible tab */
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if(!wb.Workbook || !wb.Workbook.Sheets) return;
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var sheets = wb.Workbook.Sheets;
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var i = 0, vistab = -1, hidden = -1;
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for(; i < sheets.length; ++i) {
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if(!sheets[i] || !sheets[i].Hidden && vistab == -1) vistab = i;
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else if(sheets[i].Hidden == 1 && hidden == -1) hidden = i;
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}
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if(hidden > vistab) return;
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write_record(ba, "BrtBeginBookViews");
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write_record(ba, "BrtBookView", write_BrtBookView(vistab));
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/* 1*(BrtBookView *FRT) */
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write_record(ba, "BrtEndBookViews");
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}
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/* [MS-XLSB] 2.4.302 BrtCalcProp */
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function write_BrtCalcProp(data, o) {
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if(!o) o = new_buf(26);
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o.write_shift(4,0); /* force recalc */
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o.write_shift(4,1);
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o.write_shift(4,0);
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write_Xnum(0, o);
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o.write_shift(-4, 1023);
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o.write_shift(1, 0x33);
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o.write_shift(1, 0x00);
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return o;
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}
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/* [MS-XLSB] 2.4.640 BrtFileRecover */
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function write_BrtFileRecover(data, o) {
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if(!o) o = new_buf(1);
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o.write_shift(1,0);
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return o;
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}
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/* [MS-XLSB] 2.1.7.60 Workbook */
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function write_wb_bin(wb, opts) {
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var ba = buf_array();
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write_record(ba, "BrtBeginBook");
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write_record(ba, "BrtFileVersion", write_BrtFileVersion());
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/* [[BrtFileSharingIso] BrtFileSharing] */
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write_record(ba, "BrtWbProp", write_BrtWbProp());
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/* [ACABSPATH] */
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/* [[BrtBookProtectionIso] BrtBookProtection] */
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write_BOOKVIEWS(ba, wb, opts);
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write_BUNDLESHS(ba, wb, opts);
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/* [FNGROUP] */
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/* [EXTERNALS] */
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/* *BrtName */
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/* write_record(ba, "BrtCalcProp", write_BrtCalcProp()); */
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/* [BrtOleSize] */
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/* *(BrtUserBookView *FRT) */
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/* [PIVOTCACHEIDS] */
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/* [BrtWbFactoid] */
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/* [SMARTTAGTYPES] */
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/* [BrtWebOpt] */
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/* write_record(ba, "BrtFileRecover", write_BrtFileRecover()); */
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/* [WEBPUBITEMS] */
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/* [CRERRS] */
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/* FRTWORKBOOK */
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write_record(ba, "BrtEndBook");
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return ba.end();
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}
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