sheetjs/bits/71_wbcommon.js

/* 18.2.28 (CT_WorkbookProtection) Defaults */
var WBPropsDef = [
	['allowRefreshQuery', '0'],
	['autoCompressPictures', '1'],
	['backupFile', '0'],
	['checkCompatibility', '0'],
	['codeName', ''],
	['date1904', '0'],
	['dateCompatibility', '1'],
	//['defaultThemeVersion', '0'],
	['filterPrivacy', '0'],
	['hidePivotFieldList', '0'],
	['promptedSolutions', '0'],
	['publishItems', '0'],
	['refreshAllConnections', false],
	['saveExternalLinkValues', '1'],
	['showBorderUnselectedTables', '1'],
	['showInkAnnotation', '1'],
	['showObjects', 'all'],
	['showPivotChartFilter', '0']
	//['updateLinks', 'userSet']
];

/* 18.2.30 (CT_BookView) Defaults */
var WBViewDef = [
	['activeTab', '0'],
	['autoFilterDateGrouping', '1'],
	['firstSheet', '0'],
	['minimized', '0'],
	['showHorizontalScroll', '1'],
	['showSheetTabs', '1'],
	['showVerticalScroll', '1'],
	['tabRatio', '600'],
	['visibility', 'visible']
	//window{Height,Width}, {x,y}Window
];

/* 18.2.19 (CT_Sheet) Defaults */
var SheetDef = [
	['state', 'visible']
];

/* 18.2.2  (CT_CalcPr) Defaults */
var CalcPrDef = [
	['calcCompleted', 'true'],
	['calcMode', 'auto'],
	['calcOnSave', 'true'],
	['concurrentCalc', 'true'],
	['fullCalcOnLoad', 'false'],
	['fullPrecision', 'true'],
	['iterate', 'false'],
	['iterateCount', '100'],
	['iterateDelta', '0.001'],
	['refMode', 'A1']
];

/* 18.2.3 (CT_CustomWorkbookView) Defaults */
var CustomWBViewDef = [
	['autoUpdate', 'false'],
	['changesSavedWin', 'false'],
	['includeHiddenRowCol', 'true'],
	['includePrintSettings', 'true'],
	['maximized', 'false'],
	['minimized', 'false'],
	['onlySync', 'false'],
	['personalView', 'false'],
	['showComments', 'commIndicator'],
	['showFormulaBar', 'true'],
	['showHorizontalScroll', 'true'],
	['showObjects', 'all'],
	['showSheetTabs', 'true'],
	['showStatusbar', 'true'],
	['showVerticalScroll', 'true'],
	['tabRatio', '600'],
	['xWindow', '0'],
	['yWindow', '0']
];

function push_defaults_array(target, defaults) {
	for(var j = 0; j != target.length; ++j) { var w = target[j];
		for(var i=0; i != defaults.length; ++i) { var z = defaults[i];
			if(w[z[0]] == null) w[z[0]] = z[1];
		}
	}
}
function push_defaults(target, defaults) {
	for(var i = 0; i != defaults.length; ++i) { var z = defaults[i];
		if(target[z[0]] == null) target[z[0]] = z[1];
	}
}

function parse_wb_defaults(wb) {
	push_defaults(wb.WBProps, WBPropsDef);
	push_defaults(wb.CalcPr, CalcPrDef);

	push_defaults_array(wb.WBView, WBViewDef);
	push_defaults_array(wb.Sheets, SheetDef);

	_ssfopts.date1904 = parsexmlbool(wb.WBProps.date1904, 'date1904');
}

/* TODO: validate workbook */
function check_wb(wb) {
	if(!wb || !wb.SheetNames || !wb.Sheets) throw new Error("Invalid Workbook");
	for(var i = 0; i < wb.SheetNames.length; ++i) for(var j = 0; j < i; ++j)
		if(wb.SheetNames[i] == wb.SheetNames[j]) throw new Error("Duplicate Sheet Name: " + wb.SheetNames[i]);
}