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xlsx.js
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xlsx.js
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/* xlsx.js (C) 2013-2014 SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
/*jshint eqnull:true */
/* Spreadsheet Format -- jump to XLSX for the XLSX code */
/* ssf.js (C) 2013-2014 SheetJS -- http://sheetjs.com */
var SSF = {};
var make_ssf = function(SSF){
var _strrev = function(x) { return String(x).split("").reverse().join("");};
function fill(c,l) { return new Array(l+1).join(c); }
function pad(v,d,c){var t=String(v);return t.length>=d?t:(fill(c||0,d-t.length)+t);}
function rpad(v,d,c){var t=String(v);return t.length>=d?t:(t+fill(c||0,d-t.length));}
SSF.version = '0.5.7';
/* Options */
var opts_fmt = {};
function fixopts(o){for(var 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 = {
0: 'General',
1: '0',
2: '0.00',
3: '#,##0',
4: '#,##0.00',
9: '0%',
10: '0.00%',
11: '0.00E+00',
12: '# ?/?',
13: '# ??/??',
14: 'm/d/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: '@',
56: '"上午/下午 "hh"時"mm"分"ss"秒 "',
65535: 'General'
};
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 frac = function frac(x, D, mixed) {
var sgn = x < 0 ? -1 : 1;
var B = x * sgn;
var P_2 = 0, P_1 = 1, P = 0;
var Q_2 = 1, Q_1 = 0, Q = 0;
var A = Math.floor(B);
while(Q_1 < D) {
A = Math.floor(B);
P = A * P_1 + P_2;
Q = A * Q_1 + Q_2;
if((B - A) < 0.0000000005) break;
B = 1 / (B - A);
P_2 = P_1; P_1 = P;
Q_2 = Q_1; Q_1 = Q;
}
if(Q > D) { Q = Q_1; P = P_1; }
if(Q > D) { Q = Q_2; P = P_2; }
if(!mixed) return [0, sgn * P, Q];
if(Q===0) throw "Unexpected state: "+P+" "+P_1+" "+P_2+" "+Q+" "+Q_1+" "+Q_2;
var q = Math.floor(sgn * P/Q);
return [q, sgn*P - q*Q, Q];
};
var general_fmt = function(v) {
if(typeof v === 'boolean') return v ? "TRUE" : "FALSE";
if(typeof v === 'number') {
var o, V = v < 0 ? -v : v;
if(V >= 0.1 && V < 1) o = v.toPrecision(9);
else if(V >= 0.01 && V < 0.1) o = v.toPrecision(8);
else if(V >= 0.001 && V < 0.01) o = v.toPrecision(7);
else if(V >= 0.0001 && V < 0.001) o = v.toPrecision(6);
else if(V >= Math.pow(10,10) && V < Math.pow(10,11)) o = v.toFixed(10).substr(0,12);
else if(V > Math.pow(10,-9) && V < Math.pow(10,11)) {
o = v.toFixed(12).replace(/(\.[0-9]*[1-9])0*$/,"$1").replace(/\.$/,"");
if(o.length > 11+(v<0?1:0)) o = v.toPrecision(10);
if(o.length > 11+(v<0?1:0)) o = v.toExponential(5);
}
else {
o = v.toFixed(11).replace(/(\.[0-9]*[1-9])0*$/,"$1");
if(o.length > 11 + (v<0?1:0)) o = v.toPrecision(6);
}
o = o.replace(/(\.[0-9]*[1-9])0+e/,"$1e").replace(/\.0*e/,"e");
return o.replace("e","E").replace(/\.0*$/,"").replace(/\.([0-9]*[^0])0*$/,".$1").replace(/(E[+-])([0-9])$/,"$1"+"0"+"$2");
}
if(typeof v === 'string') return v;
throw "unsupported value in General format: " + v;
};
SSF._general = general_fmt;
var parse_date_code = function parse_date_code(v,opts) {
var date = Math.floor(v), time = Math.floor(86400 * (v - date)+1e-6), dow=0;
var dout=[], out={D:date, T:time, u:86400*(v-date)-time}; fixopts(opts = (opts||{}));
if(opts.date1904) date += 1462;
if(date > 2958465) return null;
if(date === 60) {dout = [1900,2,29]; dow=3;}
else if(date === 0) {dout = [1900,1,0]; dow=6;}
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;
/*jshint -W086 */
var write_date = function(type, fmt, val) {
if(val < 0) return "";
var o;
switch(type) {
case 'y': switch(fmt) { /* year */
case 'y': case 'yy': return pad(val.y % 100,2);
default: return pad(val.y % 10000,4);
}
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 'mmmmm': return months[val.m-1][0];
default: return months[val.m-1][2];
}
case 'd': switch(fmt) { /* day */
case 'd': return val.d;
case 'dd': return pad(val.d,2);
case 'ddd': return days[val.q][0];
default: return days[val.q][1];
}
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;
}
case 'H': switch(fmt) { /* 24-hour */
case 'h': return val.H;
case 'hh': return pad(val.H, 2);
default: throw 'bad hour format: ' + fmt;
}
case 'M': switch(fmt) { /* minutes */
case 'm': return val.M;
case 'mm': return pad(val.M, 2);
default: throw 'bad minute format: ' + fmt;
}
case 's': switch(fmt) { /* seconds */
case 's': return Math.round(val.S+val.u);
case 'ss': return pad(Math.round(val.S+val.u), 2);
case 'ss.0': o = pad(Math.round(10*(val.S+val.u)),3); return o.substr(0,2)+"." + o.substr(2);
case 'ss.00': o = pad(Math.round(100*(val.S+val.u)),4); return o.substr(0,2)+"." + o.substr(2);
case 'ss.000': o = pad(Math.round(1000*(val.S+val.u)),5); return o.substr(0,2)+"." + o.substr(2);
default: throw 'bad second format: ' + fmt;
}
case 'Z': switch(fmt) {
case '[h]': case '[hh]': o = val.D*24+val.H; break;
case '[m]': case '[mm]': o = (val.D*24+val.H)*60+val.M; break;
case '[s]': case '[ss]': o = ((val.D*24+val.H)*60+val.M)*60+Math.round(val.S+val.u); break;
default: throw 'bad abstime format: ' + fmt;
} return fmt.length === 3 ? o : pad(o, 2);
/* TODO: handle the ECMA spec format ee -> yy */
case 'e': { return val.y; } break;
}
};
/*jshint +W086 */
var commaify = function(s) { return _strrev(_strrev(s).replace(/.../g,"$&,")).replace(/^,/,""); };
var write_num = function(type, fmt, val) {
if(type === '(') {
var ffmt = fmt.replace(/\( */,"").replace(/ \)/,"").replace(/\)/,"");
if(val >= 0) return write_num('n', ffmt, val);
return '(' + write_num('n', ffmt, -val) + ')';
}
var mul = 0, o;
fmt = fmt.replace(/%/g,function(x) { mul++; return ""; });
if(mul !== 0) return write_num(type, fmt, val * Math.pow(10,2*mul)) + fill("%",mul);
if(fmt.indexOf("E") > -1) {
var idx = fmt.indexOf("E") - fmt.indexOf(".") - 1;
if(fmt.match(/^#+0.0E\+0$/)) {
var period = fmt.indexOf("."); if(period === -1) period=fmt.indexOf('E');
var ee = (Number(val.toExponential(0).substr(2+(val<0))))%period;
if(ee < 0) ee += period;
o = (val/Math.pow(10,ee)).toPrecision(idx+1+(period+ee)%period);
if(!o.match(/[Ee]/)) {
var fakee = (Number(val.toExponential(0).substr(2+(val<0))));
if(o.indexOf(".") === -1) o = o[0] + "." + o.substr(1) + "E+" + (fakee - o.length+ee);
else o += "E+" + (fakee - ee);
while(o.substr(0,2) === "0.") {
o = o[0] + o.substr(2,period) + "." + o.substr(2+period);
o = o.replace(/^0+([1-9])/,"$1").replace(/^0+\./,"0.");
}
o = o.replace(/\+-/,"-");
}
o = o.replace(/^([+-]?)([0-9]*)\.([0-9]*)[Ee]/,function($$,$1,$2,$3) { return $1 + $2 + $3.substr(0,(period+ee)%period) + "." + $3.substr(ee) + "E"; });
} else o = val.toExponential(idx);
if(fmt.match(/E\+00$/) && o.match(/e[+-][0-9]$/)) o = o.substr(0,o.length-1) + "0" + o[o.length-1];
if(fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/,"e");
return o.replace("e","E");
}
if(fmt[0] === "$") return "$"+write_num(type,fmt.substr(fmt[1]==' '?2:1),val);
var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
if((r = fmt.match(/# (\?+)([ ]?)\/([ ]?)(\d+)/))) {
var den = Number(r[4]), rnd = Math.round(aval * den), base = Math.floor(rnd/den);
var myn = (rnd - base*den), myd = den;
return sign + (base?base:"") + " " + (myn === 0 ? fill(" ", r[1].length + 1 + r[4].length) : pad(myn,r[1].length," ") + r[2] + "/" + r[3] + pad(myd,r[4].length));
}
if(fmt.match(/^#+0+$/)) fmt = fmt.replace(/#/g,"");
if(fmt.match(/^00+$/)) return (val<0?"-":"")+pad(Math.round(aval),fmt.length);
if(fmt.match(/^[#?]+$/)) return String(Math.round(val)).replace(/^0$/,"");
if((r = fmt.match(/^#*0+\.(0+)/))) {
o = Math.round(val * Math.pow(10,r[1].length));
return String(o/Math.pow(10,r[1].length)).replace(/^([^\.]+)$/,"$1."+r[1]).replace(/\.$/,"."+r[1]).replace(/\.([0-9]*)$/,function($$, $1) { return "." + $1 + fill("0", r[1].length-$1.length); });
}
if((r = fmt.match(/^# ([?]+)([ ]?)\/([ ]?)([?]+)/))) {
var rr = Math.min(Math.max(r[1].length, r[4].length),7);
ff = frac(aval, Math.pow(10,rr)-1, true);
return sign + (ff[0]||(ff[1] ? "" : "0")) + " " + (ff[1] ? pad(ff[1],rr," ") + r[2] + "/" + r[3] + rpad(ff[2],rr," "): fill(" ", 2*rr+1 + r[2].length + r[3].length));
}
switch(fmt) {
case "0": case "#0": return Math.round(val);
case "#.##": o = Math.round(val*100);
return String(o/100).replace(/^([^\.]+)$/,"$1.").replace(/^0\.$/,".");
case "#,###": var x = commaify(String(Math.round(aval))); return x !== "0" ? sign + x : "";
case "#,##0": return sign + commaify(String(Math.round(aval)));
case "#,##0.0": r = Math.round((val-Math.floor(val))*10); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,1,"0");
case "#,##0.00": r = Math.round((val-Math.floor(val))*100); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,2,"0");
case "#,##0.000": r = Math.round((val-Math.floor(val))*1000); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,3,0);
case "#,##0.0000": r = Math.round((val-Math.floor(val))*10000); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,4,0);
case "#,##0.00000": r = Math.round((val-Math.floor(val))*Math.pow(10,5)); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,5,0);
case "#,##0.000000": r = Math.round((val-Math.floor(val))*Math.pow(10,6)); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,6,0);
case "#,##0.0000000": r = Math.round((val-Math.floor(val))*Math.pow(10,7)); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,7,0);
case "#,##0.00000000": r = Math.round((val-Math.floor(val))*Math.pow(10,8)); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,8,0);
case "#,##0.000000000": r = Math.round((val-Math.floor(val))*Math.pow(10,9)); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + pad(r,9,0);
default:
}
throw new Error("unsupported format |" + fmt + "|");
};
function split_fmt(fmt) {
var out = [];
var in_str = -1;
for(var i = 0, j = 0; i < fmt.length; ++i) {
if(in_str != -1) { if(fmt[i] == '"') in_str = -1; continue; }
if(fmt[i] == "_" || fmt[i] == "*" || fmt[i] == "\\") { ++i; continue; }
if(fmt[i] == '"') { in_str = i; continue; }
if(fmt[i] != ";") continue;
out.push(fmt.slice(j,i));
j = i+1;
}
out.push(fmt.slice(j));
if(in_str !=-1) throw "Format |" + fmt + "| unterminated string at " + in_str;
return out;
}
SSF._split = split_fmt;
function eval_fmt(fmt, v, opts, flen) {
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 'G': /* General */
if(fmt.substr(i, i+6).toLowerCase() !== "general")
throw 'unrecognized character ' + fmt[i] + ' in ' + fmt;
out.push({t:'G',v:'General'}); i+=7; break;
case '"': /* Literal text */
for(o="";fmt[++i] !== '"' && i < fmt.length;) o += fmt[i];
out.push({t:'t', v:o}); ++i; break;
case '\\': var w = fmt[++i], t = "()".indexOf(w) === -1 ? 't' : w;
out.push({t:t, v:w}); ++i; break;
case '_': out.push({t:'t', v:" "}); i+=2; break;
case '@': /* Text Placeholder */
out.push({t:'T', v:v}); ++i; break;
/* Dates */
case 'M': case 'D': case 'Y': case 'H': case 'S': case 'E':
c = c.toLowerCase();
/* falls through */
case 'm': case 'd': case 'y': case 'h': case 's': case 'e':
if(v < 0) return "";
if(!dt) dt = parse_date_code(v, opts);
if(!dt) return "";
o = fmt[i]; while((fmt[++i]||"").toLowerCase() === c) o+=c;
if(c === 's' && fmt[i] === '.' && fmt[i+1] === '0') { o+='.'; while(fmt[++i] === '0') o+= '0'; }
if(c === 'm' && lst.toLowerCase() === 'h') c = 'M'; /* m = minute */
if(c === 'h') c = hr;
o = o.toLowerCase();
q={t:c, v:o}; out.push(q); lst = c; break;
case 'A':
if(!dt) dt = parse_date_code(v, opts);
if(!dt) return "";
q={t:c,v:"A"};
if(fmt.substr(i, 3) === "A/P") {q.v = dt.H >= 12 ? "P" : "A"; q.t = 'T'; hr='h';i+=3;}
else if(fmt.substr(i,5) === "AM/PM") { q.v = dt.H >= 12 ? "PM" : "AM"; q.t = 'T'; i+=5; hr='h'; }
else { q.t = "t"; i++; }
out.push(q); lst = c; break;
case '[': /* TODO: Fix this -- ignore all conditionals and formatting */
o = c;
while(fmt[i++] !== ']' && i < fmt.length) o += fmt[i];
if(o.substr(-1) !== ']') throw 'unterminated "[" block: |' + o + '|';
if(o.match(/\[[HhMmSs]*\]/)) {
if(!dt) dt = parse_date_code(v, opts);
if(!dt) return "";
out.push({t:'Z', v:o.toLowerCase()});
} else { o=""; }
break;
/* Numbers */
case '0': case '#':
o = c; while("0#?.,E+-%".indexOf(c=fmt[++i]) > -1) o += c;
out.push({t:'n', v:o}); break;
case '?':
o = fmt[i]; while(fmt[++i] === c) o+=c;
q={t:c, v:o}; out.push(q); lst = c; break;
case '*': ++i; if(fmt[i] == ' ') ++i; break; // **
case '(': case ')': out.push({t:(flen===1?'t':c),v:c}); ++i; break;
case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
o = fmt[i]; while("0123456789".indexOf(fmt[++i]) > -1) o+=fmt[i];
out.push({t:'D', v:o}); break;
case ' ': out.push({t:c,v:c}); ++i; break;
default:
if(",$-+/():!^&'~{}<>=€".indexOf(c) === -1)
throw 'unrecognized character ' + fmt[i] + ' in ' + fmt;
out.push({t:'t', v:c}); ++i; break;
}
}
/* walk backwards */
for(i=out.length-1, lst='t'; i >= 0; --i) {
switch(out[i].t) {
case 'h': case 'H': out[i].t = hr; lst='h'; break;
case 'd': case 'y': case 's': case 'M': case 'e': lst=out[i].t; break;
case 'm': if(lst === 's') out[i].t = 'M'; break;
}
}
/* replace fields */
for(i=0; i < out.length; ++i) {
switch(out[i].t) {
case 't': case 'T': case ' ': case 'D': break;
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'e': case 'Z':
out[i].v = write_date(out[i].t, out[i].v, dt);
out[i].t = 't'; break;
case 'n': case '(': case '?':
var jj = i+1;
while(out[jj] && ("?D".indexOf(out[jj].t) > -1 || (" t".indexOf(out[jj].t) > -1 && "?t".indexOf((out[jj+1]||{}).t)>-1 && (out[jj+1].t == '?' || out[jj+1].v == '/')) || out[i].t == '(' && (out[jj].t == ')' || out[jj].t == 'n') || out[jj].t == 't' && (out[jj].v == '/' || '$€'.indexOf(out[jj].v) > -1 || (out[jj].v == ' ' && (out[jj+1]||{}).t == '?')))) {
out[i].v += out[jj].v;
delete out[jj]; ++jj;
}
out[i].v = write_num(out[i].t, out[i].v, (flen >1 && v < 0 && i>0 && out[i-1].v == "-" ? -v:v));
out[i].t = 't';
i = jj-1; break;
case 'G': out[i].t = 't'; out[i].v = general_fmt(v,opts); break;
}
}
return out.map(function(x){return x.v;}).join("");
}
SSF._eval = eval_fmt;
function choose_fmt(fmt, v, o) {
if(typeof fmt === 'number') fmt = ((o&&o.table) ? o.table : table_fmt)[fmt];
if(typeof fmt === "string") fmt = split_fmt(fmt);
var l = fmt.length;
if(l<4 && fmt[l-1].indexOf("@")>-1) --l;
switch(fmt.length) {
case 1: fmt = fmt[0].indexOf("@")>-1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
case 2: fmt = fmt[1].indexOf("@")>-1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
case 3: fmt = fmt[2].indexOf("@")>-1 ? [fmt[0], fmt[1], fmt[0], fmt[2]] : [fmt[0], fmt[1], fmt[2], "@"]; break;
case 4: break;
default: throw "cannot find right format for |" + fmt + "|";
}
if(typeof v !== "number") return [fmt.length, fmt[3]];
return [l, v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2]];
}
var format = function format(fmt,v,o) {
fixopts(o = (o||{}));
if(typeof fmt === "string" && fmt.toLowerCase() === "general") return general_fmt(v, o);
if(typeof fmt === 'number') fmt = (o.table || table_fmt)[fmt];
var f = choose_fmt(fmt, v, o);
if(f[1].toLowerCase() === "general") return general_fmt(v,o);
if(v === true) v = "TRUE"; if(v === false) v = "FALSE";
if(v === "" || typeof v === "undefined") return "";
return eval_fmt(f[1], v, o, f[0]);
};
SSF._choose = choose_fmt;
SSF._table = table_fmt;
SSF.load = function(fmt, idx) { table_fmt[idx] = fmt; };
SSF.format = format;
SSF.get_table = function() { return table_fmt; };
SSF.load_table = function(tbl) { for(var i=0; i!=0x0188; ++i) if(tbl[i]) SSF.load(tbl[i], i); };
};
make_ssf(SSF);
var XLSX = {};
(function(XLSX){
XLSX.version = '0.5.4';
var current_codepage, current_cptable, cptable;
if(typeof module !== "undefined" && typeof require !== 'undefined') {
if(typeof cptable === 'undefined') cptable = require('codepage');
current_codepage = 1252; current_cptable = cptable[1252];
}
function reset_cp() {
current_codepage = 1252; if(typeof cptable !== 'undefined') current_cptable = cptable[1252];
}
function _getchar(x) { return String.fromCharCode(x); }
function getdata(data) {
if(!data) return null;
if(data.data) return data.name.substr(-4) !== ".bin" ? data.data : data.data.split("").map(function(x) { return x.charCodeAt(0); });
if(data.asNodeBuffer && typeof Buffer !== 'undefined' && data.name.substr(-4)===".bin") return data.asNodeBuffer();
if(data.asBinary && data.name.substr(-4) !== ".bin") return data.asBinary();
if(data._data && data._data.getContent) {
/* TODO: something far more intelligent */
if(data.name.substr(-4) === ".bin") return Array.prototype.slice.call(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");
}
var _fs, jszip;
if(typeof JSZip !== 'undefined') jszip = JSZip;
if (typeof exports !== 'undefined') {
if (typeof module !== 'undefined' && module.exports) {
if(typeof Buffer !== 'undefined' && typeof jszip === 'undefined') jszip = require('jszip');
if(typeof jszip === 'undefined') jszip = require('./jszip').JSZip;
_fs = require('fs');
}
}
var attregexg=/(\w+)=((?:")([^"]*)(?:")|(?:')([^']*)(?:'))/g;
var attregex=/(\w+)=((?:")(?:[^"]*)(?:")|(?:')(?:[^']*)(?:'))/;
function parsexmltag(tag) {
var words = tag.split(/\s+/);
var z = {'0': words[0]};
if(words.length === 1) return z;
(tag.match(attregexg) || []).map(
function(x){var y=x.match(attregex); z[y[1]] = y[2].substr(1,y[2].length-2); });
return z;
}
function evert(obj) {
var o = {};
Object.keys(obj).forEach(function(k) { if(obj.hasOwnProperty(k)) o[obj[k]] = k; });
return o;
}
var encodings = {
'"': '"',
''': "'",
'>': '>',
'<': '<',
'&': '&'
};
var rencoding = evert(encodings);
var rencstr = "&<>'\"".split("");
// 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 escapexml(text){
var s = text + '';
rencstr.forEach(function(y){s=s.replace(new RegExp(y,'g'), rencoding[y]);});
return s;
}
function parsexmlbool(value, tag) {
switch(value) {
case '0': case 0: case 'false': case 'FALSE': return false;
case '1': case 1: case 'true': case 'TRUE': return true;
default: throw "bad boolean value " + value + " in "+(tag||"?");
}
}
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;
};
// matches <foo>...</foo> extracts content
function matchtag(f,g) {return new RegExp('<'+f+'(?: xml:space="preserve")?>([^\u2603]*)</'+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;
}
function isval(x) { return typeof x !== "undefined" && x !== null; }
function readIEEE754(buf, idx, isLE, nl, ml) {
if(isLE === undefined) isLE = true;
if(!nl) nl = 8;
if(!ml && nl === 8) ml = 52;
var e, m, el = nl * 8 - ml - 1, eMax = (1 << el) - 1, eBias = eMax >> 1;
var bits = -7, d = isLE ? -1 : 1, i = isLE ? (nl - 1) : 0, s = buf[idx + i];
i += d;
e = s & ((1 << (-bits)) - 1); s >>>= (-bits); bits += el;
for (; bits > 0; e = e * 256 + buf[idx + i], i += d, bits -= 8);
m = e & ((1 << (-bits)) - 1); e >>>= (-bits); bits += ml;
for (; bits > 0; m = m * 256 + buf[idx + i], i += d, bits -= 8);
if (e === eMax) return m ? NaN : ((s ? -1 : 1) * Infinity);
else if (e === 0) e = 1 - eBias;
else { m = m + Math.pow(2, ml); e = e - eBias; }
return (s ? -1 : 1) * m * Math.pow(2, e - ml);
}
var __toBuffer;
if(typeof Buffer !== "undefined") {
Buffer.prototype.hexlify= function() { return this.toString('hex'); };
__toBuffer = function(bufs) { return Buffer.concat(bufs[0]); };
} else {
__toBuffer = function(bufs) {
var x = [];
for(var i = 0; i != bufs[0].length; ++i) { x = x.concat(bufs[0][i]); }
return x;
};
}
var __readUInt8 = function(b, idx) { return b.readUInt8 ? b.readUInt8(idx) : b[idx]; };
var __readUInt16LE = function(b, idx) { return b.readUInt16LE ? b.readUInt16LE(idx) : b[idx+1]*(1<<8)+b[idx]; };
var __readInt16LE = function(b, idx) { var u = __readUInt16LE(b,idx); if(!(u & 0x8000)) return u; return (0xffff - u + 1) * -1; };
var __readUInt32LE = function(b, idx) { return b.readUInt32LE ? b.readUInt32LE(idx) : b[idx+3]*(1<<24)+b[idx+2]*(1<<16)+b[idx+1]*(1<<8)+b[idx]; };
var __readInt32LE = function(b, idx) { if(b.readInt32LE) return b.readInt32LE(idx); var u = __readUInt32LE(b,idx); if(!(u & 0x80000000)) return u; return (0xffffffff - u + 1) * -1; };
var __readDoubleLE = function(b, idx) { return b.readDoubleLE ? b.readDoubleLE(idx) : readIEEE754(b, idx||0);};
function ReadShift(size, t) {
var o, w, vv, i, loc; t = t || 'u';
if(size === 'ieee754') { size = 8; t = 'f'; }
switch(size) {
case 1: o = __readUInt8(this, this.l); break;
case 2: o=(t==='u' ? __readUInt16LE : __readInt16LE)(this, this.l); break;
case 4: o = __readUInt32LE(this, this.l); break;
case 8: if(t === 'f') { o = __readDoubleLE(this, this.l); break; }
/* falls through */
case 16: o = this.toString('hex', this.l,this.l+size); break;
/* sbcs and dbcs support continue records in the SST way TODO codepages */
/* TODO: DBCS http://msdn.microsoft.com/en-us/library/cc194788.aspx */
case 'dbcs': size = 2*t; o = ""; loc = this.l;
for(i = 0; i != t; ++i) {
o += _getchar(__readUInt16LE(this, loc));
loc+=2;
} break;
case 'sbcs': size = t; o = ""; loc = this.l;
for(i = 0; i != t; ++i) {
o += _getchar(__readUInt8(this, loc));
loc+=1;
} break;
}
this.l+=size; return o;
}
function prep_blob(blob, pos) {
blob.read_shift = ReadShift.bind(blob);
blob.l = pos || 0;
var read = ReadShift.bind(blob);
return [read];
}
function parsenoop(blob, length) { blob.l += length; }
/* [MS-XLSB] 2.1.4 Record */
var recordhopper = function(data, cb) {
var tmpbyte, cntbyte, length;
prep_blob(data, data.l || 0);
while(data.l < data.length) {
var RT = data.read_shift(1);
if(RT & 0x80) RT = (RT & 0x7F) + ((data.read_shift(1) & 0x7F)<<7);
var R = RecordEnum[RT] || RecordEnum[0xFFFF];
tmpbyte = data.read_shift(1);
length = tmpbyte & 0x7F;
for(cntbyte = 1; cntbyte <4 && (tmpbyte & 0x80); ++cntbyte) length += ((tmpbyte = data.read_shift(1)) & 0x7F)<<(7*cntbyte);
var d = R.f(data, length);
if(cb(d, R, RT)) return;
}
};
/* [MS-XLSB] 2.5.143 */
var parse_StrRun = function(data, length) {
return { ich: data.read_shift(2), ifnt: data.read_shift(2) };
}
/* [MS-XLSB] 2.1.7.121 */
var parse_RichStr = function(data, length) {
var start = data.l;
var flags = data.read_shift(1);
var fRichStr = flags & 1, fExtStr = flags & 2;
var str = parse_XLWideString(data);
var rgsStrRun = [];
var z = {
t: str,
r:"<t>" + escapexml(str) + "</t>",
h: str
};
if(fRichStr) {
/* TODO: formatted string */
var dwSizeStrRun = data.read_shift(4);
for(var i = 0; i != dwSizeStrRun; ++i) rgsStrRun.push(parse_StrRun(data));
}
if(fExtStr) {
/* TODO: phonetic string */
}
data.l = start + length;
return z;
};
/* [MS-XLSB] 2.5.9 */
function parse_Cell(data) {
var col = data.read_shift(4);
var iStyleRef = data.read_shift(2);
iStyleRef += data.read_shift(1) <<16;
var fPhShow = data.read_shift(1);
return { c:col, iStyleRef: iStyleRef };
}
/* [MS-XLSB] 2.5.21 */
var parse_CodeName = function(data, length) { return parse_XLWideString(data, length); };
/* [MS-XLSB] 2.5.114 */
var parse_RelID = function(data, length) { return parse_XLNullableWideString(data, length); };
/* [MS-XLSB] 2.5.122 */
function parse_RkNumber(data) {
var b = data.slice(data.l, data.l+4);
var fX100 = b[0] & 1, fInt = b[0] & 2;
data.l+=4;
b[0] &= ~3;
var RK = fInt === 0 ? __readDoubleLE([0,0,0,0,b[0],b[1],b[2],b[3]],0) : __readInt32LE(b,0)>>2;
return fX100 ? RK/100 : RK;
}
/* [MS-XLSB] 2.5.153 */
var parse_UncheckedRfX = function(data) {
var cell = {s: {}, e: {}};
cell.s.r = data.read_shift(4);
cell.e.r = data.read_shift(4);
cell.s.c = data.read_shift(4);
cell.e.c = data.read_shift(4);
return cell;
};
/* [MS-XLSB] 2.5.166 */
var parse_XLNullableWideString = function(data) {
var cchCharacters = data.read_shift(4);
return cchCharacters === 0 || cchCharacters === 0xFFFFFFFF ? "" : data.read_shift('dbcs', cchCharacters);
};
/* [MS-XLSB] 2.5.168 */
var parse_XLWideString = function(data) {
var cchCharacters = data.read_shift(4);
return cchCharacters === 0 ? "" : data.read_shift('dbcs', cchCharacters);
};
/* [MS-XLSB] 2.5.171 */
function parse_Xnum(data, length) { return data.read_shift('ieee754'); }
/* [MS-XLSB] 2.5.198.2 */
var BErr = {
0x00: "#NULL!",
0x07: "#DIV/0!",
0x0F: "#VALUE!",
0x17: "#REF!",
0x1D: "#NAME?",
0x24: "#NUM!",
0x2A: "#N/A",
0x2B: "#GETTING_DATA",
0xFF: "#WTF?"
};
var RBErr = evert(BErr);
/* Parse a list of <r> tags */
var parse_rs = (function() {
var tregex = matchtag("t"), rpregex = matchtag("rPr");
/* 18.4.7 rPr CT_RPrElt */
var parse_rpr = function(rpr, intro, outro) {
var font = {};
(rpr.match(/<[^>]*>/g)||[]).forEach(function(x) {
var y = parsexmltag(x);
switch(y[0]) {
/* 18.8.12 condense CT_BooleanProperty */
/* ** not required . */
case '<condense': break;
/* 18.8.17 extend CT_BooleanProperty */
/* ** not required . */
case '<extend': break;
/* 18.8.36 shadow CT_BooleanProperty */
/* ** not required . */
case '<shadow':
/* falls through */
case '<shadow/>': break;
/* 18.4.1 charset CT_IntProperty TODO */
case '<charset': break;
/* 18.4.2 outline CT_BooleanProperty TODO */
case '<outline':
/* falls through */
case '<outline/>': break;
/* 18.4.5 rFont CT_FontName */
case '<rFont': font.name = y.val; break;
/* 18.4.11 sz CT_FontSize */
case '<sz': font.sz = y.val; break;
/* 18.4.10 strike CT_BooleanProperty */
case '<strike':
if(!y.val) break;
/* falls through */
case '<strike/>': font.strike = 1; break;
case '</strike>': break;
/* 18.4.13 u CT_UnderlineProperty */
case '<u':
if(!y.val) break;
/* falls through */
case '<u/>': font.u = 1; break;
case '</u>': break;
/* 18.8.2 b */
case '<b':
if(!y.val) break;
/* falls through */
case '<b/>': font.b = 1; break;
case '</b>': break;
/* 18.8.26 i */
case '<i':
if(!y.val) break;
/* falls through */
case '<i/>': font.i = 1; break;
case '</i>': break;
/* 18.3.1.15 color CT_Color TODO: tint, theme, auto, indexed */
case '<color':
if(y.rgb) font.color = y.rgb.substr(2,6);
break;
/* 18.8.18 family ST_FontFamily */
case '<family': font.family = y.val; break;
/* 18.4.14 vertAlign CT_VerticalAlignFontProperty TODO */
case '<vertAlign': break;
/* 18.8.35 scheme CT_FontScheme TODO */
case '<scheme': break;
default:
if(y[0][2] !== '/') throw 'Unrecognized rich format ' + y[0];
}
});
/* TODO: These should be generated styles, not inline */
var style = [];
if(font.b) style.push("font-weight: bold;");
if(font.i) style.push("font-style: italic;");
intro.push('<span style="' + style.join("") + '">');
outro.push("</span>");
};
/* 18.4.4 r CT_RElt */
function parse_r(r) {
var terms = [[],"",[]];
/* 18.4.12 t ST_Xstring */
var t = r.match(tregex);
if(!isval(t)) return "";
terms[1] = t[1];
var rpr = r.match(rpregex);
if(isval(rpr)) parse_rpr(rpr[1], terms[0], terms[2]);
return terms[0].join("") + terms[1].replace(/\r\n/g,'<br/>') + terms[2].join("");
}
return function(rs) {
return rs.replace(/<r>/g,"").split(/<\/r>/).map(parse_r).join("");
};
})();
/* 18.4.8 si CT_Rst */
var parse_si = function(x, opts) {
var html = opts ? opts.cellHTML : true;
var z = {};
if(!x) return null;
var y;
/* 18.4.12 t ST_Xstring (Plaintext String) */
if(x[1] === 't') {
z.t = utf8read(unescapexml(x.substr(x.indexOf(">")+1).split(/<\/t>/)[0]));
z.r = x;
if(html) z.h = z.t;
}
/* 18.4.4 r CT_RElt (Rich Text Run) */
else if((y = x.match(/<r>/))) {
z.r = x;
/* TODO: properly parse (note: no other valid child can have body text) */
z.t = utf8read(unescapexml(x.replace(/<[^>]*>/gm,"")));
if(html) z.h = parse_rs(x);
}
/* 18.4.3 phoneticPr CT_PhoneticPr (TODO: needed for Asian support) */
/* 18.4.6 rPh CT_PhoneticRun (TODO: needed for Asian support) */
return z;
};
/* 18.4 Shared String Table */
var parse_sst_xml = function(data, opts) {
var s = [];
/* 18.4.9 sst CT_Sst */
var sst = data.match(new RegExp("<sst([^>]*)>([\\s\\S]*)<\/sst>","m"));
if(isval(sst)) {
s = sst[2].replace(/<(?:si|sstItem)>/g,"").split(/<\/(?:si|sstItem)>/).map(function(x) { return parse_si(x, opts); }).filter(function(x) { return x; });
sst = parsexmltag(sst[1]); s.Count = sst.count; s.Unique = sst.uniqueCount;
}
return s;
};
/* [MS-XLSB] 2.4.219 BrtBeginSst */
var parse_BrtBeginSst = function(data, length) {
return [data.read_shift(4), data.read_shift(4)];
};
/* [MS-XLSB] 2.1.7.45 Shared Strings */
var parse_sst_bin = function(data) {
var s = [];
recordhopper(data, function(val, R) {
switch(R.n) {
case 'BrtBeginSst': s.Count = val[0]; s.Unique = val[1]; break;
case 'BrtSSTItem': s.push(val); break;
case 'BrtEndSst': return true;
default: throw new Error("Unexpected record " + R.n);
}
});
return s;
};
var styles = {}; // shared styles
/* 18.8.31 numFmts CT_NumFmts */
function parseNumFmts(t) {
styles.NumberFmt = [];
for(var 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': delete y[0];
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': case '</protection>': case '<protection/>': break;
case '<extLst': case '</extLst>': break;
case '<ext': break;
default: throw 'unrecognized ' + y[0] + ' in cellXfs';
}
});
}
/* 18.8 Styles CT_Stylesheet*/
function parse_sty_xml(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 parse_BrtFmt(data, length) {
var ifmt = data.read_shift(2);
var stFmtCode = parse_XLWideString(data,length-2);
return [ifmt, stFmtCode];
}
function parse_BrtXF(data, length) {
var ixfeParent = data.read_shift(2);
var ifmt = data.read_shift(2);
parsenoop(data, length-4);
return {ixfe:ixfeParent, ifmt:ifmt };
}
function parse_sty_bin(data) {
styles.NumberFmt = [];
for(var y in SSF._table) styles.NumberFmt[y] = SSF._table[y];
styles.CellXf = [];
var state = "";
var pass = false;
recordhopper(data, function(val, R, RT) {
switch(R.n) {
case 'BrtFmt':
styles.NumberFmt[val[0]] = val[1]; SSF.load(val[1], val[0]);
break;
case 'BrtFont': break; /* TODO */
case 'BrtKnownFonts': break; /* TODO */
case 'BrtFill': break; /* TODO */
case 'BrtBorder': break; /* TODO */
case 'BrtXF':
if(state === "CELLXFS") {
styles.CellXf.push(val);
}
break; /* TODO */
case 'BrtStyle': break; /* TODO */
case 'BrtRowHdr': break; /* TODO */
case 'BrtCellMeta': break; /* ?? */
case 'BrtBeginStyleSheet': break;
case 'BrtEndStyleSheet': break;
case 'BrtBeginFmts': state = "FMTS"; break;