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sheetjs/xlsx.js
SheetJS f47eafea77 minor cleanup
2013-10-10 02:44:18 -04:00

931 lines
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/* vim: set ts=2: */
/*jshint eqnull:true */
/* Spreadsheet Format -- jump to XLSX for the XLSX code */
var SSF = (function() {
var SSF = {};
String.prototype.reverse=function(){return this.split("").reverse().join("");};
var _strrev = function(x) { return String(x).reverse(); };
function fill(c,l) { return new Array(l+1).join(c); }
function pad(v,d){var t=String(v);return t.length>=d?t:(fill(0,d-t.length)+t);}
/* Options */
var opts_fmt = {};
function fixopts(o){for(y in opts_fmt) if(o[y]===undefined) o[y]=opts_fmt[y];}
SSF.opts = opts_fmt;
opts_fmt.date1904 = 0;
opts_fmt.output = ""
opts_fmt.mode = "";
var table_fmt = {
1: '0',
2: '0.00',
3: '#,##0',
4: '#,##0.00',
9: '0%',
10: '0.00%',
11: '0.00E+00',
12: '# ?/?',
13: '# ??/??',
14: 'mm/dd/yy',
15: 'd-mmm-yy',
16: 'd-mmm',
17: 'mmm-yy',
18: 'h:mm AM/PM',
19: 'h:mm:ss AM/PM',
20: 'h:mm',
21: 'h:mm:ss',
22: 'm/d/yy h:mm',
37: '#,##0 ;(#,##0)',
38: '#,##0 ;[Red](#,##0)',
39: '#,##0.00;(#,##0.00)',
40: '#,##0.00;[Red](#,##0.00)',
45: 'mm:ss',
46: '[h]:mm:ss',
47: 'mmss.0',
48: '##0.0E+0',
49: '@'
};
var days = [
['Sun', 'Sunday'],
['Mon', 'Monday'],
['Tue', 'Tuesday'],
['Wed', 'Wednesday'],
['Thu', 'Thursday'],
['Fri', 'Friday'],
['Sat', 'Saturday']
];
var months = [
['J', 'Jan', 'January'],
['F', 'Feb', 'February'],
['M', 'Mar', 'March'],
['A', 'Apr', 'April'],
['M', 'May', 'May'],
['J', 'Jun', 'June'],
['J', 'Jul', 'July'],
['A', 'Aug', 'August'],
['S', 'Sep', 'September'],
['O', 'Oct', 'October'],
['N', 'Nov', 'November'],
['D', 'Dec', 'December'],
];
var general_fmt = function(v) {
if(typeof v === 'boolean') return v ? "TRUE" : "FALSE";
}
SSF._general = general_fmt;
var parse_date_code = function parse_date_code(v,opts) {
var date = Math.floor(v), time = Math.round(86400 * (v - date)), dow=0;
var dout=[], out={D:date, T:time}; fixopts(opts = (opts||{}));
if(opts.date1904) date += 1462;
if(date === 60) dout = [1900,2,29], dow=3;
else {
if(date > 60) --date;
/* 1 = Jan 1 1900 */
var d = new Date(1900,0,1);
d.setDate(d.getDate() + date - 1);
dout = [d.getFullYear(), d.getMonth()+1,d.getDate()];
dow = d.getDay();
if(opts.mode === 'excel' && date < 60) dow = (dow + 6) % 7;
}
out.y = dout[0], out.m = dout[1], out.d = dout[2];
out.S = time % 60; time = Math.floor(time / 60);
out.M = time % 60; time = Math.floor(time / 60);
out.H = time;
out.q = dow;
return out;
};
SSF.parse_date_code = parse_date_code;
var write_date = function(type, fmt, val) {
switch(type) {
case 'y': switch(fmt) { /* year */
case 'y': case 'yy': return pad(val.y % 100,2);
default: return val.y;
}; break;
case 'm': switch(fmt) { /* month */
case 'm': return val.m;
case 'mm': return pad(val.m,2);
case 'mmm': return months[val.m-1][1];
case 'mmmm': return months[val.m-1][2];
case 'mmmmm': return months[val.m-1][0];
default: throw 'bad month format: ' + fmt;
}; break;
case 'd': switch(fmt) { /* day */
case 'd': return val.d;
case 'dd': return pad(val.d,2);
case 'ddd': return days[val.q][0];
case 'dddd': return days[val.q][1];
default: throw 'bad day format: ' + fmt;
}; break;
case 'h': switch(fmt) { /* 12-hour */
case 'h': return 1+(val.H+11)%12;
case 'hh': return pad(1+(val.H+11)%12, 2);
default: throw 'bad hour format: ' + fmt;
}; break;
case 'H': switch(fmt) { /* 24-hour */
case 'h': return val.H;
case 'hh': return pad(val.H, 2);
default: throw 'bad hour format: ' + fmt;
}; break;
case 'M': switch(fmt) { /* minutes */
case 'm': return val.M;
case 'mm': return pad(val.M, 2);
default: throw 'bad minute format: ' + fmt;
}; break;
case 's': switch(fmt) { /* seconds */
case 's': return val.S;
case 'ss': return pad(val.S, 2);
default: throw 'bad second format: ' + fmt;
}; break;
case 'A': return (val.h>=12 ? 'P' : 'A') + fmt.substr(1);
default: throw 'bad format type ' + type + ' in ' + fmt;
}
};
function split_fmt(fmt) {
return fmt.reverse().split(/;(?!\\)/).reverse().map(_strrev);
}
SSF._split = split_fmt;
function eval_fmt(fmt, v, opts) {
var out = [], o = "", i = 0, c = "", lst='t', q = {}, dt;
fixopts(opts = (opts || {}));
var hr='H'
/* Tokenize */
while(i < fmt.length) {
switch(c = fmt[i]) {
case '"': /* Literal text */
for(o="";fmt[++i] !== '"';) o += fmt[(fmt[i] === '\\' ? ++i : i)];
out.push({t:'t', v:o}); break;
case '\\': out.push({t:'t', v:fmt[++i]}); ++i; break;
case '@': /* Text Placeholder */
out.push({t:'T', v:v}); ++i; break;
/* Dates */
case 'm': case 'd': case 'y': case 'h': case 's':
if(!dt) dt = parse_date_code(v, opts);
o = fmt[i]; while(fmt[++i] === c) o+=c;
if(c === 'm' && lst.toLowerCase() === 'h') c = 'M'; /* m = minute */
if(c === 'h') c = hr;
q={t:c, v:o}; out.push(q); lst = c; break;
case 'A':
q={t:c,v:"A"};
if(fmt.substr(i, 3) === "A/P") hr = 'h',i+=3;
else if(fmt.substr(i,5) === "AM/PM") { q.v = "AM"; i+=5; hr = 'h' }
else q.t = "t";
out.push(q); lst = c; break;
case '[': /* ignore all conditionals and formatting */
while(fmt[i++] !== ']'); break;
default:
if("$-+/():!^&'~{}<>= ".indexOf(c) === -1)
throw 'unrecognized character ' + fmt[i] + ' in ' + fmt;
out.push({t:'t', v:c}); ++i; break;
}
}
/* walk backwards */
for(i=out.length-1, lst='t'; i >= 0; --i) {
switch(out[i].t) {
case 'h': case 'H': out[i].t = hr; lst='h'; break;
case 'd': case 'y': case 's': case 'M': lst=out[i].t; break;
case 'm': if(lst === 's') out[i].t = 'M'; break;
}
}
/* replace fields */
for(i=0; i < out.length; ++i) {
switch(out[i].t) {
case 't': case 'T': break;
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A':
out[i].v = write_date(out[i].t, out[i].v, dt);
out[i].t = 't'; break;
default: throw "unrecognized type " + out[i].t;
}
}
return out.map(function(x){return x.v}).join("");
}
SSF._eval = eval_fmt;
function choose_fmt(fmt, v) {
if(typeof fmt === "string") fmt = split_fmt(fmt);
if(!(typeof v === "number")) return fmt[3];
return v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
}
var format = function format(fmt,v,o) {
fixopts(o = (o||{}));
if(fmt === 0) return general_fmt(v, o);
if(typeof fmt === 'number') fmt = table_fmt[fmt];
var f = choose_fmt(fmt, v, o);
return eval_fmt(f, v, o);
}
SSF._choose = choose_fmt;
SSF._table = table_fmt;
SSF.load = function(fmt, idx) { table_fmt[idx] = fmt; };
SSF.format = format;
return SSF;
})();
var XLSX = (function(){
var ct2type = {
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml": "workbooks",
"application/vnd.openxmlformats-package.core-properties+xml": "coreprops",
"application/vnd.openxmlformats-officedocument.extended-properties+xml": "extprops",
"application/vnd.openxmlformats-officedocument.spreadsheetml.calcChain+xml": "calcchains",
"application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml":"sheets",
"application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml": "strs",
"application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml":"styles",
"application/vnd.openxmlformats-officedocument.theme+xml":"themes",
"foo": "bar"
};
/* 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'
};
var XMLNS_CT = 'http://schemas.openxmlformats.org/package/2006/content-types';
var XMLNS_WB = 'http://schemas.openxmlformats.org/spreadsheetml/2006/main';
var encodings = {
'&quot;': '"',
'&apos;': "'",
'&gt;': '>',
'&lt;': '<',
'&amp;': '&'
};
// TODO: CP remap (need to read file version to determine OS)
function unescapexml(text){
var s = text + '';
for(var y in encodings) s = s.replace(new RegExp(y,'g'), encodings[y]);
return s.replace(/_x([0-9a-fA-F]*)_/g,function(m,c) {return _chr(parseInt(c,16));});
}
function parsexmltag(tag) {
var words = tag.split(/\s+/);
var z = {'0': words[0]};
if(words.length === 1) return z;
tag.match(/(\w+)="([^"]*)"/g).map(
function(x){var y=x.match(/(\w+)="([^"]*)"/); z[y[1]] = y[2]; });
return z;
}
var strs = {}; // shared strings
var styles = {}; // shared styles
/* 18.3 Worksheets */
function parseSheet(data) {
/* 18.3.1.99 worksheet CT_Worksheet */
var s = {};
/* 18.3.1.35 dimension CT_SheetDimension ? */
var ref = data.match(/<dimension ref="([^"]*)"\s*\/>/);
if(ref && ref.indexOf(":") !== -1) s["!ref"] = ref[1];
var refguess = {s: {r:1000000, c:1000000}, e: {r:0, c:0} };
var q = ["v","f"];
/* 18.3.1.80 sheetData CT_SheetData ? */
if(!data.match(/<sheetData *\/>/))
data.match(/<sheetData>([^]*)<\/sheetData>/m)[1].split("</row>").forEach(function(x) {
if(x === "" || x.trim() === "") return;
/* 18.3.1.73 row CT_Row */
var row = parsexmltag(x.match(/<row[^>]*>/)[0]);
if(refguess.s.r > row.r - 1) refguess.s.r = row.r - 1;
if(refguess.e.r < row.r - 1) refguess.e.r = row.r - 1;
/* 18.3.1.4 c CT_Cell */
var cells = x.substr(x.indexOf('>')+1).split(/<c/);
cells.forEach(function(c, idx) { if(c === "" || c.trim() === "") return;
c = "<c" + c;
if(refguess.s.c > idx - 1) refguess.s.c = idx - 1;
if(refguess.e.c < idx - 1) refguess.e.c = idx - 1;
var cell = parsexmltag((c.match(/<c[^>]*>/)||[c])[0]); delete cell[0];
var d = c.substr(c.indexOf('>')+1);
var p = {};
q.forEach(function(f){var x=d.match(matchtag(f));if(x)p[f]=unescapexml(x[1]);});
/* SCHEMA IS ACTUALLY INCORRECT HERE. IF A CELL HAS NO T, EMIT "" */
if(cell.t === undefined && p.v === undefined) { p.t = "str"; p.v = undefined; }
else p.t = (cell.t ? cell.t : "n"); // default is "n" in schema
switch(p.t) {
case 'n': p.v = parseFloat(p.v); break;
case 's': p.v = strs[parseInt(p.v, 10)].t; break;
case 'str': if(p.v) p.v = utf8read(p.v); break; // normal string
case 'inlineStr':
p.t = 'str'; p.v = unescapexml(d.match(matchtag('t'))[1]);
break; // inline string
case 'b':
switch(p.v) {
case '0': case 'FALSE': case "false": case false: p.v=false; break;
case '1': case 'TRUE': case "true": case true: p.v=true; break;
default: throw "Unrecognized boolean: " + p.v;
} break;
/* in case of error, stick value in .raw */
case 'e': p.raw = p.v; p.v = undefined; break;
default: throw "Unrecognized cell type: " + p.t;
}
/* formatting */
if(cell.s) {
var cf = styles.CellXf[cell.s];
if(cf && cf.numFmtId && cf.numFmtId != 0) {
p.raw = p.v;
p.rawt = p.t;
try {
p.v = SSF.format(cf.numFmtId,p.v);
p.t = 'str';
} catch(e) { p.v = p.raw; }
}
}
s[cell.r] = p;
});
});
if(!s["!ref"]) s["!ref"] = encode_range(refguess);
return s;
}
// matches <foo>...</foo> extracts content
function matchtag(f,g) {return new RegExp('<'+f+'(?: xml:space="preserve")?>([^]*)</'+f+'>',(g||"")+"m");}
function parseVector(data) {
var h = parsexmltag(data);
var matches = data.match(new RegExp("<vt:" + h.baseType + ">(.*?)</vt:" + h.baseType + ">", 'g'));
if(matches.length != h.size) throw "unexpected vector length " + matches.length + " != " + h.size;
var res = [];
matches.forEach(function(x) {
var v = x.replace(/<[/]?vt:variant>/g,"").match(/<vt:([^>]*)>(.*)</);
res.push({v:v[2], t:v[1]});
});
return res;
}
var utf8read = function(orig) {
var out = "", i = 0, c = 0, c1 = 0, c2 = 0, c3 = 0;
while (i < orig.length) {
c = orig.charCodeAt(i++);
if (c < 128) out += _chr(c);
else {
c2 = orig.charCodeAt(i++);
if (c>191 && c<224) out += _chr((c & 31) << 6 | c2 & 63);
else {
c3 = orig.charCodeAt(i++);
out += _chr((c & 15) << 12 | (c2 & 63) << 6 | c3 & 63);
}
}
}
return out;
};
/* 18.4 Shared String Table */
function parseStrs(data) {
var s = [];
var sst = data.match(new RegExp("<sst ([^>]*)>([\\s\\S]*)<\/sst>","m"));
if(sst) {
s = sst[2].replace(/<si>/g,"").split(/<\/si>/).map(function(x) { var z = {};
var y=x.match(/<(.*)>([\s\S]*)<\/.*/); if(y) z[y[1].split(" ")[0]]=utf8read(unescapexml(y[2])); return z;});
sst = parsexmltag(sst[1]); s.count = sst.count; s.uniqueCount = sst.uniqueCount;
}
return s;
}
function parseProps(data) {
var p = { Company:'' }, q = {};
var strings = ["Application", "DocSecurity", "Company", "AppVersion"];
var bools = ["HyperlinksChanged","SharedDoc","LinksUpToDate","ScaleCrop"];
var xtra = ["HeadingPairs", "TitlesOfParts"];
var xtracp = ["category", "contentStatus", "lastModifiedBy", "lastPrinted", "revision", "version"];
var xtradc = ["creator", "description", "identifier", "language", "subject", "title"];
var xtradcterms = ["created", "modified"];
xtra = xtra.concat(xtracp.map(function(x) { return "cp:" + x; }));
xtra = xtra.concat(xtradc.map(function(x) { return "dc:" + x; }));
xtra = xtra.concat(xtradcterms.map(function(x) { return "dcterms:" + x; }));
strings.forEach(function(f){p[f] = (data.match(matchtag(f))||[])[1];});
bools.forEach(function(f){p[f] = (data.match(matchtag(f))||[])[1] == "true";});
xtra.forEach(function(f) {
var cur = data.match(new RegExp("<" + f + "[^>]*>(.*)<\/" + f + ">"));
if(cur && cur.length > 0) q[f] = cur[1];
});
if(q["HeadingPairs"] && q["TitlesOfParts"]) {
var v = parseVector(q["HeadingPairs"]);
var j = 0, widx = 0;
for(var i = 0; i !== v.length; ++i) {
switch(v[i].v) {
case "Worksheets": widx = j; p["Worksheets"] = +v[++i]; break;
case "Named Ranges": ++i; break; // TODO: Handle Named Ranges
default: console.error("Unrecognized key in Heading Pairs: " + v[i++].v);
}
}
var parts = parseVector(q["TitlesOfParts"]).map(utf8read);
p["SheetNames"] = parts.slice(widx, widx + p["Worksheets"]);
}
p["Creator"] = q["dc:creator"];
p["LastModifiedBy"] = q["cp:lastModifiedBy"];
p["CreatedDate"] = new Date(q["dcterms:created"]);
p["ModifiedDate"] = new Date(q["dcterms:modified"]);
return p;
}
/* 18.6 Calculation Chain */
function parseDeps(data) {
var d = [];
var l = 0, i = 1;
data.match(/<[^>]*>/g).forEach(function(x) {
var y = parsexmltag(x);
switch(y[0]) {
case '<?xml': break;
/* 18.6.2 calcChain CT_CalcChain 1 */
case '<calcChain': case '<calcChain>': case '</calcChain>': break;
/* 18.6.1 c CT_CalcCell 1 */
case '<c': delete y[0]; if(y.i) i = y.i; else y.i = i; d.push(y); break;
}
});
return d;
}
var ctext = {};
function parseCT(data) {
var ct = { workbooks: [], sheets: [], calcchains: [], themes: [], styles: [],
coreprops: [], extprops: [], strs:[], xmlns: "" };
if(data == null) return data;
data.match(/<[^>]*>/g).forEach(function(x) {
var y = parsexmltag(x);
switch(y[0]) {
case '<?xml': break;
case '<Types': ct.xmlns = y.xmlns; break;
case '<Default': ctext[y.Extension] = y.ContentType; break;
case '<Override':
if(y.ContentType in ct2type)ct[ct2type[y.ContentType]].push(y.PartName);
break;
}
});
if(ct.xmlns !== XMLNS_CT) throw "Unknown Namespace: " + ct.xmlns;
ct.calcchain = ct.calcchains.length > 0 ? ct.calcchains[0] : "";
ct.sst = ct.strs.length > 0 ? ct.strs[0] : "";
ct.style = ct.styles.length > 0 ? ct.styles[0] : "";
delete ct.calcchains;
return ct;
}
/* 18.2 Workbook */
function parseWB(data) {
var wb = { AppVersion:{}, WBProps:{}, WBView:[], Sheets:[], CalcPr:{}, xmlns: "" };
var pass = false;
data.match(/<[^>]*>/g).forEach(function(x) {
var y = parsexmltag(x);
switch(y[0]) {
case '<?xml': break;
/* 18.2.27 workbook CT_Workbook 1 */
case '<workbook': wb.xmlns = y.xmlns; break;
case '</workbook>': break;
/* 18.2.13 fileVersion CT_FileVersion ? */
case '<fileVersion': delete y[0]; wb.AppVersion = y; break;
case '<fileVersion/>': break;
/* 18.2.12 fileSharing CT_FileSharing ? */
case '<fileSharing': case '<fileSharing/>': break;
/* 18.2.28 workbookPr CT_WorkbookPr ? */
case '<workbookPr': delete y[0]; wb.WBProps = y; break;
case '<workbookPr/>': delete y[0]; wb.WBProps = y; break;
/* 18.2.29 workbookProtection CT_WorkbookProtection ? */
case '<workbookProtection/>': break;
/* 18.2.1 bookViews CT_BookViews ? */
case '<bookViews>': case '</bookViews>': break;
/* 18.2.30 workbookView CT_BookView + */
case '<workbookView': delete y[0]; wb.WBView.push(y); break;
/* 18.2.20 sheets CT_Sheets 1 */
case '<sheets>': case '</sheets>': break; // aggregate sheet
/* 18.2.19 sheet CT_Sheet + */
case '<sheet': delete y[0]; y.name = utf8read(y.name); wb.Sheets.push(y); break;
/* 18.2.15 functionGroups CT_FunctionGroups ? */
case '<functionGroups': case '<functionGroups/>': break;
/* 18.2.14 functionGroup CT_FunctionGroup + */
case '<functionGroup': break;
/* 18.2.9 externalReferences CT_ExternalReferences ? */
case '<externalReferences': case '</externalReferences>': break;
/* 18.2.8 externalReference CT_ExternalReference + */
case '<externalReference': break;
/* 18.2.6 definedNames CT_DefinedNames ? */
case '<definedNames/>': break;
case '<definedNames>': pass=true; break;
case '</definedNames>': pass=false; break;
/* 18.2.5 definedName CT_DefinedName + */
case '<definedName': case '<definedName/>': case '</definedName>': break;
/* 18.2.2 calcPr CT_CalcPr ? */
case '<calcPr': delete y[0]; wb.CalcPr = y; break;
case '<calcPr/>': delete y[0]; wb.CalcPr = y; break;
/* 18.2.16 oleSize CT_OleSize ? (ref required) */
case '<oleSize': break;
/* 18.2.4 customWorkbookViews CT_CustomWorkbookViews ? */
case '<customWorkbookViews>': case '</customWorkbookViews>': case '<customWorkbookViews': break;
/* 18.2.3 customWorkbookView CT_CustomWorkbookView + */
case '<customWorkbookView': case '</customWorkbookView>': break;
/* 18.2.18 pivotCaches CT_PivotCaches ? */
case '<pivotCaches>': case '</pivotCaches>': case '<pivotCaches': break;
/* 18.2.17 pivotCache CT_PivotCache ? */
case '<pivotCache': break;
/* 18.2.21 smartTagPr CT_SmartTagPr ? */
case '<smartTagPr': case '<smartTagPr/>': break;
/* 18.2.23 smartTagTypes CT_SmartTagTypes ? */
case '<smartTagTypes': case '<smartTagTypes>': case '</smartTagTypes>': break;
/* 18.2.22 smartTagType CT_SmartTagType ? */
case '<smartTagType': break;
/* 18.2.24 webPublishing CT_WebPublishing ? */
case '<webPublishing': case '<webPublishing/>': break;
/* 18.2.11 fileRecoveryPr CT_FileRecoveryPr ? */
case '<fileRecoveryPr': case '<fileRecoveryPr/>': break;
/* 18.2.26 webPublishObjects CT_WebPublishObjects ? */
case '<webPublishObjects>': case '<webPublishObjects': case '</webPublishObjects>': break;
/* 18.2.25 webPublishObject CT_WebPublishObject ? */
case '<webPublishObject': break;
/* 18.2.10 extLst CT_ExtensionList ? */
case '<extLst>': case '</extLst>': case '<extLst/>': break;
/* 18.2.7 ext CT_Extension + */
case '<ext': pass=true; break; //TODO: check with versions of excel
case '</ext>': pass=false; break;
/* Others */
case '<mx:ArchID': break;
case '<mc:AlternateContent': pass=true; break;
case '</mc:AlternateContent>': pass=false; break;
default: if(!pass) console.error("WB Tag",x,y);
}
});
if(wb.xmlns !== XMLNS_WB) throw "Unknown Namespace: " + wb.xmlns;
var z;
/* defaults */
for(z in WBPropsDef) if(null == wb.WBProps[z]) wb.WBProps[z] = WBPropsDef[z];
for(z in CalcPrDef) if(null == wb.CalcPr[z]) wb.CalcPr[z] = CalcPrDef[z];
wb.WBView.forEach(function(w){for(var z in WBViewDef) if(null==w[z]) w[z]=WBViewDef[z]; });
wb.Sheets.forEach(function(w){for(var z in SheetDef) if(null==w[z]) w[z]=SheetDef[z]; });
return wb;
}
/* 18.8.31 numFmts CT_NumFmts */
function parseNumFmts(t) {
styles.NumberFmt = [];
for(y in SSF._table) styles.NumberFmt[y] = SSF._table[y];
t[0].match(/<[^>]*>/g).forEach(function(x) {
var y = parsexmltag(x);
switch(y[0]) {
case '<numFmts': case '</numFmts>': case '<numFmts/>': break;
case '<numFmt': {
var f=unescapexml(y.formatCode), i=parseInt(y.numFmtId,10);
styles.NumberFmt[i] = f; SSF.load(f,i);
} break;
default: throw 'unrecognized ' + y[0] + ' in numFmts';
}
});
}
/* 18.8.10 cellXfs CT_CellXfs */
function parseCXfs(t) {
styles.CellXf = [];
t[0].match(/<[^>]*>/g).forEach(function(x) {
var y = parsexmltag(x);
switch(y[0]) {
case '<cellXfs': case '<cellXfs/>': case '</cellXfs>': break;
/* 18.8.45 xf CT_Xf */
case '<xf': if(y.numFmtId) y.numFmtId = parseInt(y.numFmtId, 10);
styles.CellXf.push(y); break;
case '</xf>': break;
/* 18.8.1 alignment CT_CellAlignment */
case '<alignment': break;
/* 18.8.33 protection CT_CellProtection */
case '<protection': break;
case '<extLst': case '</extLst>': break;
case '<ext': break;
default: throw 'unrecognized ' + y[0] + ' in cellXfs';
}
});
}
/* 18.8 Styles CT_Stylesheet*/
function parseStyles(data) {
/* 18.8.39 styleSheet CT_Stylesheet */
var t;
/* numFmts CT_NumFmts ? */
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 parseZip(zip) {
var entries = Object.keys(zip.files);
var keys = entries.filter(function(x){return x.substr(-1) != '/';}).sort();
var dir = parseCT((zip.files['[Content_Types].xml']||{}).data);
strs = {};
if(dir.sst) strs=parseStrs(zip.files[dir.sst.replace(/^\//,'')].data);
styles = {};
if(dir.style) styles = parseStyles(zip.files[dir.style.replace(/^\//,'')].data);
var wb = parseWB(zip.files[dir.workbooks[0].replace(/^\//,'')].data);
var propdata = dir.coreprops.length !== 0 ? zip.files[dir.coreprops[0].replace(/^\//,'')].data : "";
propdata += dir.extprops.length !== 0 ? zip.files[dir.extprops[0].replace(/^\//,'')].data : "";
var props = propdata !== "" ? parseProps(propdata) : {};
var deps = {};
if(dir.calcchain) deps=parseDeps(zip.files[dir.calcchain.replace(/^\//,'')].data);
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) {
sheets[props.SheetNames[i]]=parseSheet(zip.files['xl/worksheets/sheet' + (i+1) + '.xml'].data);
}
}
else {
for(i = 0; i != props.Worksheets; ++i) {
sheets[props.SheetNames[i]]=parseSheet(zip.files[dir.sheets[i].replace(/^\//,'')].data);
}
}
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);
}
this.read = readSync;
this.readFile = readFileSync;
this.parseZip = parseZip;
return this;
})();
var _chr = function(c) { return String.fromCharCode(c); };
function encode_col(col) { var s=""; for(++col; col; col=Math.floor((col-1)/26)) s = _chr(((col-1)%26) + 65) + s; return s; }
function encode_row(row) { return "" + (row + 1); }
function encode_cell(cell) { return encode_col(cell.c) + encode_row(cell.r); }
function decode_col(c) { var d = 0, i = 0; for(; i !== c.length; ++i) d = 26*d + c.charCodeAt(i) - 64; return d - 1; }
function decode_row(rowstr) { return Number(rowstr) - 1; }
function split_cell(cstr) { return cstr.replace(/(\$?[A-Z]*)(\$?[0-9]*)/,"$1,$2").split(","); }
function decode_cell(cstr) { var splt = split_cell(cstr); return { c:decode_col(splt[0]), r:decode_row(splt[1]) }; }
function decode_range(range) { var x =range.split(":").map(decode_cell); return {s:x[0],e:x[x.length-1]}; }
function encode_range(range) { return encode_cell(range.s) + ":" + encode_cell(range.e); }
/**
* Convert a sheet into an array of objects where the column headers are keys.
**/
function sheet_to_row_object_array(sheet){
var val, rowObject, range, columnHeaders, emptyRow, C;
var outSheet = [];
if (sheet["!ref"]) {
range = decode_range(sheet["!ref"]);
columnHeaders = {};
for (C = range.s.c; C <= range.e.c; ++C) {
val = sheet[encode_cell({
c: C,
r: range.s.r
})];
if(val){
switch(val.t) {
case 's': case 'str': columnHeaders[C] = val.v; break;
case 'n': columnHeaders[C] = val.v; break;
}
}
}
for (var R = range.s.r + 1; R <= range.e.r; ++R) {
emptyRow = true;
//Row number is recorded in the prototype
//so that it doesn't appear when stringified.
rowObject = Object.create({ __rowNum__ : R });
for (C = range.s.c; C <= range.e.c; ++C) {
val = sheet[encode_cell({
c: C,
r: R
})];
if(val !== undefined) switch(val.t){
case 's': case 'str': case 'b': case 'n':
if(val.v !== undefined) {
rowObject[columnHeaders[C]] = val.v;
emptyRow = false;
}
break;
case 'e': break; /* thorw */
default: throw 'unrecognized type ' + val.t;
}
}
if(!emptyRow) {
outSheet.push(rowObject);
}
}
}
return outSheet;
}
function sheet_to_csv(sheet) {
var stringify = function stringify(val) {
switch(val.t){
case 'n': return val.v;
case 's': case 'str': return JSON.stringify(val.v);
case 'b': return val.v ? "TRUE" : "FALSE";
case 'e': return ""; /* throw out value in case of error */
default: throw 'unrecognized type ' + val.t;
}
};
var out = "";
if(sheet["!ref"]) {
var r = utils.decode_range(sheet["!ref"]);
for(var R = r.s.r; R <= r.e.r; ++R) {
var row = [];
for(var C = r.s.c; C <= r.e.c; ++C) {
var val = sheet[utils.encode_cell({c:C,r:R})];
row.push(val ? stringify(val) : "");
}
out += row.join(",") + "\n";
}
}
return out;
}
var utils = {
encode_col: encode_col,
encode_row: encode_row,
encode_cell: encode_cell,
encode_range: encode_range,
decode_col: decode_col,
decode_row: decode_row,
split_cell: split_cell,
decode_cell: decode_cell,
decode_range: decode_range,
sheet_to_csv: sheet_to_csv,
sheet_to_row_object_array: sheet_to_row_object_array
};
if(typeof require !== 'undefined' && typeof exports !== 'undefined') {
exports.read = XLSX.read;
exports.readFile = XLSX.readFile;
exports.utils = utils;
exports.main = function(args) {
var zip = XLSX.read(args[0], {type:'file'});
console.log(zip.Sheets);
};
if(typeof module !== 'undefined' && require.main === module)
exports.main(process.argv.slice(2));
}
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