136 lines
4.4 KiB
JavaScript
136 lines
4.4 KiB
JavaScript
function safe_parse_wbrels(wbrels, sheets) {
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if(!wbrels) return 0;
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try {
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wbrels = sheets.map(function(w) { return [w.name, wbrels['!id'][w.id].Target]; });
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} catch(e) { return null; }
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return !wbrels || wbrels.length === 0 ? null : wbrels;
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}
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function safe_parse_ws(zip, path, relsPath, sheet, sheetRels, sheets, opts) {
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try {
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sheetRels[sheet]=parse_rels(getzipdata(zip, relsPath, true), path);
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sheets[sheet]=parse_ws(getzipdata(zip, path),path,opts,sheetRels[sheet]);
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} catch(e) { if(opts.WTF) throw e; }
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}
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function parse_zip(zip, opts) {
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make_ssf(SSF);
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opts = opts || {};
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fix_read_opts(opts);
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reset_cp();
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var entries = keys(zip.files).filter(function(x){return x.substr(-1) != '/';}).sort();
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var dir = parse_ct(getzipdata(zip, '[Content_Types].xml'), opts);
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var xlsb = false;
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var sheets, binname;
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if(dir.workbooks.length === 0) {
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binname = "xl/workbook.xml";
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if(getzipdata(zip,binname, true)) dir.workbooks.push(binname);
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}
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if(dir.workbooks.length === 0) {
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binname = "xl/workbook.bin";
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if(!getzipfile(zip,binname,true)) throw new Error("Could not find workbook");
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dir.workbooks.push(binname);
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xlsb = true;
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}
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if(dir.workbooks[0].substr(-3) == "bin") xlsb = true;
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if(xlsb) set_cp(1200);
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if(!opts.bookSheets && !opts.bookProps) {
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strs = [];
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if(dir.sst) strs=parse_sst(getzipdata(zip, dir.sst.replace(/^\//,'')), dir.sst, opts);
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styles = {};
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if(dir.style) styles = parse_sty(getzipdata(zip, dir.style.replace(/^\//,'')),dir.style, opts);
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themes = {};
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if(opts.cellStyles && dir.themes.length) themes = parse_theme(getzipdata(zip, dir.themes[0].replace(/^\//,''), true),dir.themes[0], opts);
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}
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var wb = parse_wb(getzipdata(zip, dir.workbooks[0].replace(/^\//,'')), dir.workbooks[0], opts);
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var props = {}, propdata = "";
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if(dir.coreprops.length !== 0) {
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propdata = getzipdata(zip, dir.coreprops[0].replace(/^\//,''), true);
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if(propdata) props = parse_core_props(propdata);
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if(dir.extprops.length !== 0) {
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propdata = getzipdata(zip, dir.extprops[0].replace(/^\//,''), true);
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if(propdata) parse_ext_props(propdata, props);
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}
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}
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var custprops = {};
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if(!opts.bookSheets || opts.bookProps) {
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if (dir.custprops.length !== 0) {
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propdata = getzipdata(zip, dir.custprops[0].replace(/^\//,''), true);
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if(propdata) custprops = parse_cust_props(propdata, opts);
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}
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}
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var out = {};
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if(opts.bookSheets || opts.bookProps) {
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if(props.Worksheets && props.SheetNames.length > 0) sheets=props.SheetNames;
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else if(wb.Sheets) sheets = wb.Sheets.map(function(x){ return x.name; });
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if(opts.bookProps) { out.Props = props; out.Custprops = custprops; }
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if(typeof sheets !== 'undefined') out.SheetNames = sheets;
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if(opts.bookSheets ? out.SheetNames : opts.bookProps) return out;
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}
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sheets = {};
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var deps = {};
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if(opts.bookDeps && dir.calcchain) deps=parse_cc(getzipdata(zip, dir.calcchain.replace(/^\//,'')),dir.calcchain,opts);
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var i=0;
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var sheetRels = {};
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var path, relsPath;
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if(!props.Worksheets) {
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var wbsheets = wb.Sheets;
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props.Worksheets = wbsheets.length;
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props.SheetNames = [];
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for(var j = 0; j != wbsheets.length; ++j) {
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props.SheetNames[j] = wbsheets[j].name;
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}
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}
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var wbext = xlsb ? "bin" : "xml";
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var wbrelsfile = 'xl/_rels/workbook.' + wbext + '.rels';
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var wbrels = parse_rels(getzipdata(zip, wbrelsfile, true), wbrelsfile);
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if(wbrels) wbrels = safe_parse_wbrels(wbrels, wb.Sheets);
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/* Numbers iOS hack */
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var nmode = (getzipdata(zip,"xl/worksheets/sheet.xml",true))?1:0;
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for(i = 0; i != props.Worksheets; ++i) {
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if(wbrels) path = 'xl/' + (wbrels[i][1]).replace(/[\/]?xl\//, "");
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else {
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path = 'xl/worksheets/sheet'+(i+1-nmode)+"." + wbext;
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path = path.replace(/sheet0\./,"sheet.");
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}
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relsPath = path.replace(/^(.*)(\/)([^\/]*)$/, "$1/_rels/$3.rels");
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safe_parse_ws(zip, path, relsPath, props.SheetNames[i], sheetRels, sheets, opts);
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}
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if(dir.comments) parse_comments(zip, dir.comments, sheets, sheetRels, opts);
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out = {
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Directory: dir,
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Workbook: wb,
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Props: props,
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Custprops: custprops,
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Deps: deps,
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Sheets: sheets,
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SheetNames: props.SheetNames,
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Strings: strs,
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Styles: styles,
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Themes: themes,
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SSF: SSF.get_table()
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};
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if(opts.bookFiles) {
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out.keys = entries;
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out.files = zip.files;
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}
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if(opts.bookVBA) {
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if(dir.vba.length > 0) out.vbaraw = getzipdata(zip,dir.vba[0],true);
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else if(dir.defaults.bin === 'application/vnd.ms-office.vbaProject') out.vbaraw = getzipdata(zip,'xl/vbaProject.bin',true);
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}
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return out;
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}
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