sheetjs/bits/85_parsezip.js

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