forked from sheetjs/sheetjs
545 lines
18 KiB
JavaScript
545 lines
18 KiB
JavaScript
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var ct2type = {
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"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml": "workbooks",
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"application/vnd.openxmlformats-package.core-properties+xml": "coreprops",
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"application/vnd.openxmlformats-officedocument.extended-properties+xml": "extprops",
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"application/vnd.openxmlformats-officedocument.spreadsheetml.calcChain+xml": "calcchains",
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"application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml":"sheets",
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"application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml": "strs",
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"application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml":"styles",
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"application/vnd.openxmlformats-officedocument.theme+xml":"themes",
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"foo": "bar"
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};
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/* 18.2.28 (CT_WorkbookProtection) Defaults */
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var WBPropsDef = {
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allowRefreshQuery: '0',
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autoCompressPictures: '1',
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backupFile: '0',
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checkCompatibility: '0',
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codeName: '',
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date1904: '0',
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dateCompatibility: '1',
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//defaultThemeVersion: '0',
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filterPrivacy: '0',
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hidePivotFieldList: '0',
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promptedSolutions: '0',
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publishItems: '0',
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refreshAllConnections: false,
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saveExternalLinkValues: '1',
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showBorderUnselectedTables: '1',
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showInkAnnotation: '1',
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showObjects: 'all',
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showPivotChartFilter: '0'
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//updateLinks: 'userSet'
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};
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/* 18.2.30 (CT_BookView) Defaults */
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var WBViewDef = {
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activeTab: '0',
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autoFilterDateGrouping: '1',
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firstSheet: '0',
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minimized: '0',
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showHorizontalScroll: '1',
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showSheetTabs: '1',
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showVerticalScroll: '1',
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tabRatio: '600',
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visibility: 'visible'
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//window{Height,Width}, {x,y}Window
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};
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/* 18.2.19 (CT_Sheet) Defaults */
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var SheetDef = {
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state: 'visible'
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};
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/* 18.2.2 (CT_CalcPr) Defaults */
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var CalcPrDef = {
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calcCompleted: 'true',
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calcMode: 'auto',
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calcOnSave: 'true',
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concurrentCalc: 'true',
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fullCalcOnLoad: 'false',
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fullPrecision: 'true',
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iterate: 'false',
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iterateCount: '100',
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iterateDelta: '0.001',
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refMode: 'A1'
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};
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/* 18.2.3 (CT_CustomWorkbookView) Defaults */
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var CustomWBViewDef = {
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autoUpdate: 'false',
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changesSavedWin: 'false',
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includeHiddenRowCol: 'true',
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includePrintSettings: 'true',
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maximized: 'false',
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minimized: 'false',
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onlySync: 'false',
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personalView: 'false',
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showComments: 'commIndicator',
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showFormulaBar: 'true',
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showHorizontalScroll: 'true',
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showObjects: 'all',
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showSheetTabs: 'true',
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showStatusbar: 'true',
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showVerticalScroll: 'true',
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tabRatio: '600',
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xWindow: '0',
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yWindow: '0'
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};
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var XMLNS_CT = 'http://schemas.openxmlformats.org/package/2006/content-types';
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var XMLNS_WB = 'http://schemas.openxmlformats.org/spreadsheetml/2006/main';
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var strs = {}; // shared strings
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var styles = {}; // shared styles
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var _ssfopts = {}; // spreadsheet formatting options
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/* 18.3 Worksheets */
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function parseSheet(data) {
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if(!data) return data;
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/* 18.3.1.99 worksheet CT_Worksheet */
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var s = {};
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/* 18.3.1.35 dimension CT_SheetDimension ? */
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var ref = data.match(/<dimension ref="([^"]*)"\s*\/>/);
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if(ref && ref.length == 2 && ref[1].indexOf(":") !== -1) s["!ref"] = ref[1];
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var refguess = {s: {r:1000000, c:1000000}, e: {r:0, c:0} };
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var q = ["v","f"];
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var sidx = 0;
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/* 18.3.1.80 sheetData CT_SheetData ? */
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if(!data.match(/<sheetData *\/>/))
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data.match(/<sheetData>([^\u2603]*)<\/sheetData>/m)[1].split("</row>").forEach(function(x) {
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if(x === "" || x.trim() === "") return;
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/* 18.3.1.73 row CT_Row */
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var row = parsexmltag(x.match(/<row[^>]*>/)[0]);
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if(refguess.s.r > row.r - 1) refguess.s.r = row.r - 1;
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if(refguess.e.r < row.r - 1) refguess.e.r = row.r - 1;
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/* 18.3.1.4 c CT_Cell */
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var cells = x.substr(x.indexOf('>')+1).split(/<c/);
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cells.forEach(function(c, idx) { if(c === "" || c.trim() === "") return;
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var cref = c.match(/r="([^"]*)"/);
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c = "<c" + c;
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if(cref && cref.length == 2) {
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var cref_cell = decode_cell(cref[1]);
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idx = cref_cell.c;
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}
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if(refguess.s.c > idx) refguess.s.c = idx;
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if(refguess.e.c < idx) refguess.e.c = idx;
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var cell = parsexmltag((c.match(/<c[^>]*>/)||[c])[0]); delete cell[0];
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var d = c.substr(c.indexOf('>')+1);
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var p = {};
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q.forEach(function(f){var x=d.match(matchtag(f));if(x)p[f]=unescapexml(x[1]);});
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/* SCHEMA IS ACTUALLY INCORRECT HERE. IF A CELL HAS NO T, EMIT "" */
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if(cell.t === undefined && p.v === undefined) { p.t = "str"; p.v = undefined; }
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else p.t = (cell.t ? cell.t : "n"); // default is "n" in schema
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switch(p.t) {
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case 'n': p.v = parseFloat(p.v); break;
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case 's': {
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sidx = parseInt(p.v, 10);
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p.v = strs[sidx].t;
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p.r = strs[sidx].r;
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} break;
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case 'str': if(p.v) p.v = utf8read(p.v); break; // normal string
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case 'inlineStr':
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p.t = 'str'; p.v = unescapexml((d.match(matchtag('t'))||["",""])[1]);
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break; // inline string
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case 'b':
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switch(p.v) {
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case '0': case 'FALSE': case "false": case false: p.v=false; break;
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case '1': case 'TRUE': case "true": case true: p.v=true; break;
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default: throw "Unrecognized boolean: " + p.v;
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} break;
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/* in case of error, stick value in .raw */
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case 'e': p.raw = p.v; p.v = undefined; break;
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default: throw "Unrecognized cell type: " + p.t;
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}
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/* formatting */
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if(cell.s && styles.CellXf) { /* TODO: second check is a hacked guard */
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var cf = styles.CellXf[cell.s];
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if(cf && cf.numFmtId && cf.numFmtId !== 0) {
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p.raw = p.v;
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p.rawt = p.t;
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try {
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p.v = SSF.format(cf.numFmtId,p.v,_ssfopts);
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p.t = 'str';
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} catch(e) { p.v = p.raw; }
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}
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}
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s[cell.r] = p;
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});
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});
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if(!s["!ref"]) s["!ref"] = encode_range(refguess);
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return s;
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}
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function parseProps(data) {
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var p = { Company:'' }, q = {};
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var strings = ["Application", "DocSecurity", "Company", "AppVersion"];
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var bools = ["HyperlinksChanged","SharedDoc","LinksUpToDate","ScaleCrop"];
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var xtra = ["HeadingPairs", "TitlesOfParts"];
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var xtracp = ["category", "contentStatus", "lastModifiedBy", "lastPrinted", "revision", "version"];
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var xtradc = ["creator", "description", "identifier", "language", "subject", "title"];
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var xtradcterms = ["created", "modified"];
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xtra = xtra.concat(xtracp.map(function(x) { return "cp:" + x; }));
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xtra = xtra.concat(xtradc.map(function(x) { return "dc:" + x; }));
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xtra = xtra.concat(xtradcterms.map(function(x) { return "dcterms:" + x; }));
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strings.forEach(function(f){p[f] = (data.match(matchtag(f))||[])[1];});
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bools.forEach(function(f){p[f] = (data.match(matchtag(f))||[])[1] == "true";});
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xtra.forEach(function(f) {
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var cur = data.match(new RegExp("<" + f + "[^>]*>(.*)<\/" + f + ">"));
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if(cur && cur.length > 0) q[f] = cur[1];
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});
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if(q.HeadingPairs && q.TitlesOfParts) {
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var v = parseVector(q.HeadingPairs);
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var j = 0, widx = 0;
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for(var i = 0; i !== v.length; ++i) {
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switch(v[i].v) {
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case "Worksheets": widx = j; p.Worksheets = +v[++i]; break;
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case "Named Ranges": ++i; break; // TODO: Handle Named Ranges
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}
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}
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var parts = parseVector(q.TitlesOfParts).map(utf8read);
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p.SheetNames = parts.slice(widx, widx + p.Worksheets);
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}
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p.Creator = q["dc:creator"];
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p.LastModifiedBy = q["cp:lastModifiedBy"];
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p.CreatedDate = new Date(q["dcterms:created"]);
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p.ModifiedDate = new Date(q["dcterms:modified"]);
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return p;
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}
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/* 18.6 Calculation Chain */
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function parseDeps(data) {
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var d = [];
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var l = 0, i = 1;
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(data.match(/<[^>]*>/g)||[]).forEach(function(x) {
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var y = parsexmltag(x);
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switch(y[0]) {
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case '<?xml': break;
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/* 18.6.2 calcChain CT_CalcChain 1 */
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case '<calcChain': case '<calcChain>': case '</calcChain>': break;
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/* 18.6.1 c CT_CalcCell 1 */
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case '<c': delete y[0]; if(y.i) i = y.i; else y.i = i; d.push(y); break;
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}
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});
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return d;
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}
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var ctext = {};
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function parseCT(data) {
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if(!data || !data.match) return data;
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var ct = { workbooks: [], sheets: [], calcchains: [], themes: [], styles: [],
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coreprops: [], extprops: [], strs:[], xmlns: "" };
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(data.match(/<[^>]*>/g)||[]).forEach(function(x) {
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var y = parsexmltag(x);
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switch(y[0]) {
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case '<?xml': break;
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case '<Types': ct.xmlns = y.xmlns; break;
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case '<Default': ctext[y.Extension] = y.ContentType; break;
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case '<Override':
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if(y.ContentType in ct2type)ct[ct2type[y.ContentType]].push(y.PartName);
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break;
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}
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});
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if(ct.xmlns !== XMLNS_CT) throw new Error("Unknown Namespace: " + ct.xmlns);
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ct.calcchain = ct.calcchains.length > 0 ? ct.calcchains[0] : "";
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ct.sst = ct.strs.length > 0 ? ct.strs[0] : "";
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ct.style = ct.styles.length > 0 ? ct.styles[0] : "";
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delete ct.calcchains;
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return ct;
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}
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/* 18.2 Workbook */
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function parseWB(data) {
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var wb = { AppVersion:{}, WBProps:{}, WBView:[], Sheets:[], CalcPr:{}, xmlns: "" };
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var pass = false;
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data.match(/<[^>]*>/g).forEach(function(x) {
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var y = parsexmltag(x);
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switch(y[0]) {
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case '<?xml': break;
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/* 18.2.27 workbook CT_Workbook 1 */
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case '<workbook': wb.xmlns = y.xmlns; break;
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case '</workbook>': break;
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/* 18.2.13 fileVersion CT_FileVersion ? */
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case '<fileVersion': delete y[0]; wb.AppVersion = y; break;
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case '<fileVersion/>': break;
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/* 18.2.12 fileSharing CT_FileSharing ? */
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case '<fileSharing': case '<fileSharing/>': break;
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/* 18.2.28 workbookPr CT_WorkbookPr ? */
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case '<workbookPr': delete y[0]; wb.WBProps = y; break;
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case '<workbookPr/>': delete y[0]; wb.WBProps = y; break;
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/* 18.2.29 workbookProtection CT_WorkbookProtection ? */
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case '<workbookProtection/>': break;
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/* 18.2.1 bookViews CT_BookViews ? */
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case '<bookViews>': case '</bookViews>': break;
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/* 18.2.30 workbookView CT_BookView + */
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case '<workbookView': delete y[0]; wb.WBView.push(y); break;
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/* 18.2.20 sheets CT_Sheets 1 */
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case '<sheets>': case '</sheets>': break; // aggregate sheet
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/* 18.2.19 sheet CT_Sheet + */
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case '<sheet': delete y[0]; y.name = utf8read(y.name); wb.Sheets.push(y); break;
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/* 18.2.15 functionGroups CT_FunctionGroups ? */
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case '<functionGroups': case '<functionGroups/>': break;
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/* 18.2.14 functionGroup CT_FunctionGroup + */
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case '<functionGroup': break;
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/* 18.2.9 externalReferences CT_ExternalReferences ? */
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case '<externalReferences': case '</externalReferences>': break;
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/* 18.2.8 externalReference CT_ExternalReference + */
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case '<externalReference': break;
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/* 18.2.6 definedNames CT_DefinedNames ? */
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case '<definedNames/>': break;
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case '<definedNames>': pass=true; break;
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case '</definedNames>': pass=false; break;
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/* 18.2.5 definedName CT_DefinedName + */
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case '<definedName': case '<definedName/>': case '</definedName>': break;
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/* 18.2.2 calcPr CT_CalcPr ? */
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case '<calcPr': delete y[0]; wb.CalcPr = y; break;
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case '<calcPr/>': delete y[0]; wb.CalcPr = y; break;
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/* 18.2.16 oleSize CT_OleSize ? (ref required) */
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case '<oleSize': break;
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/* 18.2.4 customWorkbookViews CT_CustomWorkbookViews ? */
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case '<customWorkbookViews>': case '</customWorkbookViews>': case '<customWorkbookViews': break;
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/* 18.2.3 customWorkbookView CT_CustomWorkbookView + */
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case '<customWorkbookView': case '</customWorkbookView>': break;
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/* 18.2.18 pivotCaches CT_PivotCaches ? */
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case '<pivotCaches>': case '</pivotCaches>': case '<pivotCaches': break;
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/* 18.2.17 pivotCache CT_PivotCache ? */
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case '<pivotCache': break;
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/* 18.2.21 smartTagPr CT_SmartTagPr ? */
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case '<smartTagPr': case '<smartTagPr/>': break;
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/* 18.2.23 smartTagTypes CT_SmartTagTypes ? */
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case '<smartTagTypes': case '<smartTagTypes>': case '</smartTagTypes>': break;
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/* 18.2.22 smartTagType CT_SmartTagType ? */
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case '<smartTagType': break;
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/* 18.2.24 webPublishing CT_WebPublishing ? */
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case '<webPublishing': case '<webPublishing/>': break;
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/* 18.2.11 fileRecoveryPr CT_FileRecoveryPr ? */
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case '<fileRecoveryPr': case '<fileRecoveryPr/>': break;
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/* 18.2.26 webPublishObjects CT_WebPublishObjects ? */
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case '<webPublishObjects>': case '<webPublishObjects': case '</webPublishObjects>': break;
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/* 18.2.25 webPublishObject CT_WebPublishObject ? */
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case '<webPublishObject': break;
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/* 18.2.10 extLst CT_ExtensionList ? */
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case '<extLst>': case '</extLst>': case '<extLst/>': break;
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/* 18.2.7 ext CT_Extension + */
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case '<ext': pass=true; break; //TODO: check with versions of excel
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case '</ext>': pass=false; break;
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/* Others */
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case '<mx:ArchID': break;
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case '<mc:AlternateContent': pass=true; break;
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case '</mc:AlternateContent>': pass=false; break;
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}
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});
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if(wb.xmlns !== XMLNS_WB) throw new Error("Unknown Namespace: " + wb.xmlns);
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var z;
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/* defaults */
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for(z in WBPropsDef) if(typeof wb.WBProps[z] === 'undefined') wb.WBProps[z] = WBPropsDef[z];
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for(z in CalcPrDef) if(typeof wb.CalcPr[z] === 'undefined') wb.CalcPr[z] = CalcPrDef[z];
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wb.WBView.forEach(function(w){for(var z in WBViewDef) if(typeof w[z] === 'undefined') w[z]=WBViewDef[z]; });
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wb.Sheets.forEach(function(w){for(var z in SheetDef) if(typeof w[z] === 'undefined') w[z]=SheetDef[z]; });
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_ssfopts.date1904 = parsexmlbool(wb.WBProps.date1904, 'date1904');
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return wb;
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}
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/* 18.8.31 numFmts CT_NumFmts */
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function parseNumFmts(t) {
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styles.NumberFmt = [];
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for(var y in SSF._table) styles.NumberFmt[y] = SSF._table[y];
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t[0].match(/<[^>]*>/g).forEach(function(x) {
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var y = parsexmltag(x);
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switch(y[0]) {
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case '<numFmts': case '</numFmts>': case '<numFmts/>': break;
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case '<numFmt': {
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var f=unescapexml(y.formatCode), i=parseInt(y.numFmtId,10);
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styles.NumberFmt[i] = f; SSF.load(f,i);
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} break;
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default: throw 'unrecognized ' + y[0] + ' in numFmts';
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}
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});
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}
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/* 18.8.10 cellXfs CT_CellXfs */
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function parseCXfs(t) {
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styles.CellXf = [];
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t[0].match(/<[^>]*>/g).forEach(function(x) {
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var y = parsexmltag(x);
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switch(y[0]) {
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case '<cellXfs': case '<cellXfs/>': case '</cellXfs>': break;
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/* 18.8.45 xf CT_Xf */
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case '<xf': if(y.numFmtId) y.numFmtId = parseInt(y.numFmtId, 10);
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styles.CellXf.push(y); break;
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case '</xf>': break;
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/* 18.8.1 alignment CT_CellAlignment */
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case '<alignment': break;
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/* 18.8.33 protection CT_CellProtection */
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case '<protection': case '</protection>': case '<protection/>': break;
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case '<extLst': case '</extLst>': break;
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case '<ext': break;
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default: throw 'unrecognized ' + y[0] + ' in cellXfs';
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}
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});
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}
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/* 18.8 Styles CT_Stylesheet*/
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function parseStyles(data) {
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/* 18.8.39 styleSheet CT_Stylesheet */
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var t;
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/* numFmts CT_NumFmts ? */
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if((t=data.match(/<numFmts([^>]*)>.*<\/numFmts>/))) parseNumFmts(t);
|
|
|
|
/* fonts CT_Fonts ? */
|
|
/* fills CT_Fills ? */
|
|
/* borders CT_Borders ? */
|
|
/* cellStyleXfs CT_CellStyleXfs ? */
|
|
|
|
/* cellXfs CT_CellXfs ? */
|
|
if((t=data.match(/<cellXfs([^>]*)>.*<\/cellXfs>/))) parseCXfs(t);
|
|
|
|
/* dxfs CT_Dxfs ? */
|
|
/* tableStyles CT_TableStyles ? */
|
|
/* colors CT_Colors ? */
|
|
/* extLst CT_ExtensionList ? */
|
|
|
|
return styles;
|
|
}
|
|
|
|
function getdata(data) {
|
|
if(!data) return null;
|
|
if(data.data) return data.data;
|
|
if(data._data && data._data.getContent) return Array.prototype.slice.call(data._data.getContent(),0).map(function(x) { return String.fromCharCode(x); }).join("");
|
|
return null;
|
|
}
|
|
|
|
function getzipfile(zip, file) {
|
|
var f = file; if(zip.files[f]) return zip.files[f];
|
|
f = file.toLowerCase(); if(zip.files[f]) return zip.files[f];
|
|
f = f.replace(/\//g,'\\'); if(zip.files[f]) return zip.files[f];
|
|
throw new Error("Cannot find file " + file + " in zip");
|
|
}
|
|
|
|
function parseZip(zip) {
|
|
var entries = Object.keys(zip.files);
|
|
var keys = entries.filter(function(x){return x.substr(-1) != '/';}).sort();
|
|
var dir = parseCT(getdata(getzipfile(zip, '[Content_Types].xml')));
|
|
|
|
strs = {};
|
|
if(dir.sst) strs=parse_sst(getdata(getzipfile(zip, dir.sst.replace(/^\//,''))));
|
|
|
|
styles = {};
|
|
if(dir.style) styles = parseStyles(getdata(getzipfile(zip, dir.style.replace(/^\//,''))));
|
|
|
|
var wb = parseWB(getdata(getzipfile(zip, dir.workbooks[0].replace(/^\//,''))));
|
|
var propdata = dir.coreprops.length !== 0 ? getdata(getzipfile(zip, dir.coreprops[0].replace(/^\//,''))) : "";
|
|
propdata += dir.extprops.length !== 0 ? getdata(getzipfile(zip, dir.extprops[0].replace(/^\//,''))) : "";
|
|
var props = propdata !== "" ? parseProps(propdata) : {};
|
|
var deps = {};
|
|
if(dir.calcchain) deps=parseDeps(getdata(getzipfile(zip, dir.calcchain.replace(/^\//,''))));
|
|
var sheets = {}, i=0;
|
|
if(!props.Worksheets) {
|
|
/* Google Docs doesn't generate the appropriate metadata, so we impute: */
|
|
var wbsheets = wb.Sheets;
|
|
props.Worksheets = wbsheets.length;
|
|
props.SheetNames = [];
|
|
for(var j = 0; j != wbsheets.length; ++j) {
|
|
props.SheetNames[j] = wbsheets[j].name;
|
|
}
|
|
for(i = 0; i != props.Worksheets; ++i) {
|
|
try { /* TODO: remove these guards */
|
|
sheets[props.SheetNames[i]]=parseSheet(getdata(getzipfile(zip, 'xl/worksheets/sheet' + (i+1) + '.xml')));
|
|
} catch(e) {}
|
|
}
|
|
}
|
|
else {
|
|
for(i = 0; i != props.Worksheets; ++i) {
|
|
try {
|
|
sheets[props.SheetNames[i]]=parseSheet(getdata(getzipfile(zip, dir.sheets[i].replace(/^\//,''))));
|
|
} catch(e) {}
|
|
}
|
|
}
|
|
return {
|
|
Directory: dir,
|
|
Workbook: wb,
|
|
Props: props,
|
|
Deps: deps,
|
|
Sheets: sheets,
|
|
SheetNames: props.SheetNames,
|
|
Strings: strs,
|
|
Styles: styles,
|
|
keys: keys,
|
|
files: zip.files
|
|
};
|
|
}
|
|
|
|
var _fs, jszip;
|
|
if(typeof JSZip !== 'undefined') jszip = JSZip;
|
|
if (typeof exports !== 'undefined') {
|
|
if (typeof module !== 'undefined' && module.exports) {
|
|
if(typeof jszip === 'undefined') jszip = require('./jszip').JSZip;
|
|
_fs = require('fs');
|
|
}
|
|
}
|
|
|
|
function readSync(data, options) {
|
|
var zip, d = data;
|
|
var o = options||{};
|
|
switch((o.type||"base64")){
|
|
case "file": d = _fs.readFileSync(data).toString('base64');
|
|
/* falls through */
|
|
case "base64": zip = new jszip(d, { base64:true }); break;
|
|
case "binary": zip = new jszip(d, { base64:false }); break;
|
|
}
|
|
return parseZip(zip);
|
|
}
|
|
|
|
function readFileSync(data, options) {
|
|
var o = options||{}; o.type = 'file';
|
|
return readSync(data, o);
|
|
}
|
|
|
|
XLSX.read = readSync;
|
|
XLSX.readFile = readFileSync;
|
|
XLSX.parseZip = parseZip;
|