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xls.js
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xls.js
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/* xls.js (C) 2013-2014 SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
/*jshint eqnull:true, funcscope:true */
var XLS = {};
(function(XLS){
XLS.version = '0.6.5';
if(typeof module !== "undefined" && typeof require !== 'undefined') {
if(typeof cptable === 'undefined') var cptable = require('codepage');
var 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 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 Base64 = (function(){
var map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
return {
encode: function(input, utf8) {
var o = "";
var c1, c2, c3, e1, e2, e3, e4;
for(var i = 0; i < input.length; ) {
c1 = input.charCodeAt(i++);
c2 = input.charCodeAt(i++);
c3 = input.charCodeAt(i++);
e1 = c1 >> 2;
e2 = (c1 & 3) << 4 | c2 >> 4;
e3 = (c2 & 15) << 2 | c3 >> 6;
e4 = c3 & 63;
if (isNaN(c2)) { e3 = e4 = 64; }
else if (isNaN(c3)) { e4 = 64; }
o += map.charAt(e1) + map.charAt(e2) + map.charAt(e3) + map.charAt(e4);
}
return o;
},
decode: function(input, utf8) {
var o = "";
var c1, c2, c3;
var e1, e2, e3, e4;
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
for(var i = 0; i < input.length;) {
e1 = map.indexOf(input.charAt(i++));
e2 = map.indexOf(input.charAt(i++));
e3 = map.indexOf(input.charAt(i++));
e4 = map.indexOf(input.charAt(i++));
c1 = e1 << 2 | e2 >> 4;
c2 = (e2 & 15) << 4 | e3 >> 2;
c3 = (e3 & 3) << 6 | e4;
o += String.fromCharCode(c1);
if (e3 != 64) { o += String.fromCharCode(c2); }
if (e4 != 64) { o += String.fromCharCode(c3); }
}
return o;
}
};
})();
function s2a(s) {
if(typeof Buffer !== 'undefined') return new Buffer(s, "binary");
var w = s.split("").map(function(x){ return x.charCodeAt(0) & 0xff; });
return w;
}
var __toBuffer;
if(typeof Buffer !== "undefined") {
Buffer.prototype.hexlify= function() { return this.toString('hex'); };
Buffer.prototype.utf16le= function(s,e){return this.toString('utf16le',s,e).replace(/\u0000/,'').replace(/[\u0001-\u0006]/,'!');};
Buffer.prototype.utf8 = function(s,e) { return this.toString('utf8',s,e); };
Buffer.prototype.lpstr = function(i) { var len = this.readUInt32LE(i); return len > 0 ? this.utf8(i+4,i+4+len-1) : "";};
Buffer.prototype.lpwstr = function(i) { var len = 2*this.readUInt32LE(i); return this.utf8(i+4,i+4+len-1);};
if(typeof cptable !== "undefined") Buffer.prototype.lpstr = function(i) {
var len = this.readUInt32LE(i);
if(len === 0) return "";
if(typeof current_cptable === "undefined") return this.utf8(i+4,i+4+len-1);
var t = Array(this.slice(i+4,i+4+len-1));
var c, j = i+4, o = "", cc;
for(;j!=i+4+len;++j) {
c = this.readUInt8(j);
cc = current_cptable.dec[c];
if(typeof cc === 'undefined') {
c = c*256 + this.readUInt8(++j);
cc = current_cptable.dec[c];
}
if(typeof cc === 'undefined') throw "Unrecognized character " + c.toString(16);
if(c === 0) break;
o += cc;
}
return o;
};
__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);};
var __hexlify = function(b) { return b.map(function(x){return (x<16?"0":"") + x.toString(16);}).join(""); };
var __utf16le = function(b,s,e) { if(b.utf16le) return b.utf16le(s,e); var str = ""; for(var i=s; i<e; i+=2) str += String.fromCharCode(__readUInt16LE(b,i)); return str.replace(/\u0000/,'').replace(/[\u0001-\u0006]/,'!'); };
var __utf8 = function(b,s,e) { if(b.utf8) return b.utf8(s,e); var str = ""; for(var i=s; i<e; i++) str += String.fromCharCode(__readUInt8(b,i)); return str; };
var __lpstr = function(b,i) { if(b.lpstr) return b.lpstr(i); var len = __readUInt32LE(b,i); return len > 0 ? __utf8(b, i+4,i+4+len-1) : "";};
var __lpwstr = function(b,i) { if(b.lpwstr) return b.lpwstr(i); var len = 2*__readUInt32LE(b,i); return __utf8(b, i+4,i+4+len-1);};
function bconcat(bufs) { return (typeof Buffer !== 'undefined') ? Buffer.concat(bufs) : [].concat.apply([], bufs); }
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;
case 'utf8': size = t; o = __utf8(this, this.l, this.l + size); break;
case 'utf16le': size=2*t; o = __utf16le(this, this.l, this.l + size); break;
/* [MS-OLEDS] 2.1.4 LengthPrefixedAnsiString */
case 'lpstr': o = __lpstr(this, this.l); size = 5 + o.length; break;
case 'lpwstr': o = __lpwstr(this, this.l); size = 5 + o.length; if(o[o.length-1] == '\u0000') size += 2; 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) {
if(this.lens && this.lens.indexOf(loc) !== -1) {
w = __readUInt8(this, loc);
this.l = loc + 1;
vv = ReadShift.call(this, w ? 'dbcs' : 'sbcs', t-i);
return o + vv;
}
o += _getchar(__readUInt16LE(this, loc));
loc+=2;
} break;
case 'sbcs': size = t; o = ""; loc = this.l;
for(i = 0; i != t; ++i) {
if(this.lens && this.lens.indexOf(loc) !== -1) {
w = __readUInt8(this, loc);
this.l = loc + 1;
vv = ReadShift.call(this, w ? 'dbcs' : 'sbcs', t-i);
return o + vv;
}
o += _getchar(__readUInt8(this, loc));
loc+=1;
} break;
case 'cstr': size = 0; o = "";
while((w=__readUInt8(this, this.l + size++))!==0) o+= _getchar(w);
break;
case 'wstr': size = 0; o = "";
while((w=__readUInt16LE(this,this.l +size))!==0){o+= _getchar(w);size+=2;}
size+=2; break;
}
this.l+=size; return o;
}
function CheckField(hexstr, fld) {
var b = this.slice(this.l, this.l+hexstr.length/2);
var m = b.hexlify ? b.hexlify() : __hexlify(b);
if(m !== hexstr) throw (fld||"") + 'Expected ' + hexstr + ' saw ' + m;
this.l += hexstr.length/2;
}
function WarnField(hexstr, fld) {
var b = this.slice(this.l, this.l+hexstr.length/2);
var m = b.hexlify ? b.hexlify() : __hexlify(b);
if(m !== hexstr) console.error((fld||"") + 'Expected ' + hexstr +' saw ' + m);
this.l += hexstr.length/2;
}
function prep_blob(blob, pos) {
blob.read_shift = ReadShift.bind(blob);
blob.chk = CheckField;
blob.l = pos || 0;
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
return [read, chk];
}
/* 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 = '0.5.5';
/* 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);
case 'yyy': case 'yyyy': return pad(val.y % 10000,4);
default: throw 'bad year format: ' + fmt;
}
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;
}
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;
}
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;
default: throw 'bad format type ' + type + ' in ' + fmt;
}
};
/*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 == '##0.0E+0') {
var period = fmt.length - 5;
var ee = (Number(val.toExponential(0).substr(2+(val<0))))%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 throw "missing E |" + o;
}
o = o.replace(/^([+-]?)([0-9]*)\.([0-9]*)[Ee]/,function($$,$1,$2,$3) { return $1 + $2 + $3.substr(0,(period+ee)%period) + "." + $3.substr(ee) + "E"; });
} else o = val.toExponential(idx);
if(fmt.match(/E\+00$/) && o.match(/e[+-][0-9]$/)) o = o.substr(0,o.length-1) + "0" + o[o.length-1];
if(fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/,"e");
return o.replace("e","E");
}
if(fmt[0] === "$") return "$"+write_num(type,fmt.substr(fmt[1]==' '?2:1),val);
var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
if((r = fmt.match(/# (\?+)([ ]?)\/([ ]?)(\d+)/))) {
var den = Number(r[4]), rnd = Math.round(aval * den), base = Math.floor(rnd/den);
var myn = (rnd - base*den), myd = den;
return sign + (base?base:"") + " " + (myn === 0 ? fill(" ", r[1].length + 1 + r[4].length) : pad(myn,r[1].length," ") + r[2] + "/" + r[3] + pad(myd,r[4].length));
}
if(fmt.match(/^00+$/)) return (val<0?"-":"")+pad(Math.round(aval),fmt.length);
if(fmt.match(/^[#?]+$/)) return String(Math.round(val)).replace(/^0$/,"");
if((r = fmt.match(/^#*0+\.(0+)/))) {
o = Math.round(val * Math.pow(10,r[1].length));
return String(o/Math.pow(10,r[1].length)).replace(/^([^\.]+)$/,"$1."+r[1]).replace(/\.$/,"."+r[1]).replace(/\.([0-9]*)$/,function($$, $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++] !== ']') o += fmt[i];
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(",$-+/():!^&'~{}<>=".indexOf(c) === -1)
throw 'unrecognized character ' + fmt[i] + ' in ' + fmt;
out.push({t:'t', v:c}); ++i; break;
}
}
/* walk backwards */
for(i=out.length-1, lst='t'; i >= 0; --i) {
switch(out[i].t) {
case 'h': case 'H': out[i].t = hr; lst='h'; break;
case 'd': case 'y': case 's': case 'M': case 'e': lst=out[i].t; break;
case 'm': if(lst === 's') out[i].t = 'M'; break;
}
}
/* replace fields */
for(i=0; i < out.length; ++i) {
switch(out[i].t) {
case 't': case 'T': case ' ': break;
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A': case 'e': case 'Z':
out[i].v = write_date(out[i].t, out[i].v, dt);
out[i].t = 't'; break;
case 'n': case '(': case '?':
var jj = i+1;
while(out[jj] && ("?D".indexOf(out[jj].t) > -1 || (" t".indexOf(out[jj].t) > -1 && "?t".indexOf((out[jj+1]||{}).t)>-1 && (out[jj+1].t == '?' || out[jj+1].v == '/')) || out[i].t == '(' && (out[jj].t == ')' || out[jj].t == 'n') || out[jj].t == 't' && (out[jj].v == '/' || out[jj].v == '$' || (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;
default: console.error(out); throw "unrecognized type " + out[i].t;
}
}
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);
/* [MS-OLEPS] v20130118 */
/* [MS-OSHARED] v20130211 */
/* [MS-OLEPS] 2.2 PropertyType */
{
var VT_EMPTY = 0x0000;
var VT_NULL = 0x0001;
var VT_I2 = 0x0002;
var VT_I4 = 0x0003;
var VT_R4 = 0x0004;
var VT_R8 = 0x0005;
var VT_CY = 0x0006;
var VT_DATE = 0x0007;
var VT_BSTR = 0x0008;
var VT_ERROR = 0x000A;
var VT_BOOL = 0x000B;
var VT_VARIANT = 0x000C;
var VT_DECIMAL = 0x000E;
var VT_I1 = 0x0010;
var VT_UI1 = 0x0011;
var VT_UI2 = 0x0012;
var VT_UI4 = 0x0013;
var VT_I8 = 0x0014;
var VT_UI8 = 0x0015;
var VT_INT = 0x0016;
var VT_UINT = 0x0017;
var VT_LPSTR = 0x001E;
var VT_LPWSTR = 0x001F;
var VT_FILETIME = 0x0040;
var VT_BLOB = 0x0041;
var VT_STREAM = 0x0042;
var VT_STORAGE = 0x0043;
var VT_STREAMED_Object = 0x0044;
var VT_STORED_Object = 0x0045;
var VT_BLOB_Object = 0x0046;
var VT_CF = 0x0047;
var VT_CLSID = 0x0048;
var VT_VERSIONED_STREAM = 0x0049;
var VT_VECTOR = 0x1000;
var VT_ARRAY = 0x2000;
var VT_STRING = 0x0050; // 2.3.3.1.11 VtString
var VT_USTR = 0x0051; // 2.3.3.1.12 VtUnalignedString
var VT_CUSTOM = [VT_STRING, VT_USTR];
}
/* [MS-OSHARED] 2.3.3.2.2.1 Document Summary Information PIDDSI */
var DocSummaryPIDDSI = {
0x01: { n: 'CodePage', t: VT_I2 },
0x02: { n: 'Category', t: VT_STRING },
0x03: { n: 'PresentationFormat', t: VT_STRING },
0x04: { n: 'ByteCount', t: VT_I4 },
0x05: { n: 'LineCount', t: VT_I4 },
0x06: { n: 'ParagraphCount', t: VT_I4 },
0x07: { n: 'SlideCount', t: VT_I4 },
0x08: { n: 'NoteCount', t: VT_I4 },
0x09: { n: 'HiddenCount', t: VT_I4 },
0x0a: { n: 'MultimediaClipCount', t: VT_I4 },
0x0b: { n: 'Scale', t: VT_BOOL },
0x0c: { n: 'HeadingPair', t: VT_VECTOR | VT_VARIANT },
0x0d: { n: 'DocParts', t: VT_VECTOR | VT_LPSTR },
0x0e: { n: 'Manager', t: VT_STRING },
0x0f: { n: 'Company', t: VT_STRING },
0x10: { n: 'LinksDirty', t: VT_BOOL },
0x11: { n: 'CharacterCount', t: VT_I4 },
0x13: { n: 'SharedDoc', t: VT_BOOL },
0x16: { n: 'HLinksChanged', t: VT_BOOL },
0x17: { n: 'Version', t: VT_I4 },
0xFF: {}
};
/* [MS-OSHARED] 2.3.3.2.1.1 Summary Information Property Set PIDSI */
var SummaryPIDSI = {
0x01: { n: 'CodePage', t: VT_I2 },
0x02: { n: 'Title', t: VT_STRING },
0x03: { n: 'Subject', t: VT_STRING },
0x04: { n: 'Author', t: VT_STRING },
0x05: { n: 'Keywords', t: VT_STRING },
0x06: { n: 'Comments', t: VT_STRING },
0x07: { n: 'Template', t: VT_STRING },
0x08: { n: 'LastAuthor', t: VT_STRING },
0x09: { n: 'RevNumber', t: VT_STRING },
0x0A: { n: 'EditTime', t: VT_FILETIME },
0x0B: { n: 'LastPrinted', t: VT_FILETIME },
0x0C: { n: 'CreateTime', t: VT_FILETIME },
0x0D: { n: 'SaveTime', t: VT_FILETIME },
0x0E: { n: 'PageCount', t: VT_I4 },
0x0F: { n: 'WordCount', t: VT_I4 },
0x10: { n: 'CharCount', t: VT_I4 },
0x11: { n: 'Thumbnail', t: VT_CF },
0x12: { n: 'ApplicationName', t: VT_LPSTR },
0x13: { n: 'DocumentSecurity', t: VT_I4 },
0xFF: {}
};
/* [MS-OLEPS] 2.18 */
var SpecialProperties = {
0x80000000: { n: 'Locale', t: VT_UI4 },
0x80000003: { n: 'Behavior', t: VT_UI4 },
0x69696969: {}
};
(function() {
for(var y in SpecialProperties) if(SpecialProperties.hasOwnProperty(y))
DocSummaryPIDDSI[y] = SummaryPIDSI[y] = SpecialProperties[y];
})();
/* [MS-DTYP] 2.3.1 FILETIME */
/* [MS-OLEDS] 2.1.3 FILETIME (Packet Version) */
/* [MS-OLEPS] 2.8 FILETIME (Packet Version) */
function parse_FILETIME(blob) {
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
var dwLowDateTime = read(4), dwHighDateTime = read(4);
return [dwLowDateTime, dwHighDateTime];
}
/* [MS-OSHARED] 2.3.3.1.4 Lpstr */
function parse_lpstr(blob, type, pad) {
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
var str = read('lpstr');
if(pad) blob.l += (4 - ((str.length+1) % 4)) % 4;
return str;
}
/* [MS-OSHARED] 2.3.3.1.6 Lpwstr */
function parse_lpwstr(blob, type, pad) {
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
var str = read('lpwstr');
if(pad) blob.l += (4 - ((str.length+1) % 4)) % 4;
return str;
}
/* [MS-OSHARED] 2.3.3.1.11 VtString */
/* [MS-OSHARED] 2.3.3.1.12 VtUnalignedString */
function parse_VtStringBase(blob, stringType, pad) {
if(stringType) switch(stringType) {
case VT_LPSTR: return parse_lpstr(blob, stringType, pad);
case VT_LPWSTR: return parse_lpwstr(blob);
default: throw "Unrecognized string type " + stringType;
}
else return parse_VtStringBase(blob, blob.read_shift(2), pad);
}
function parse_VtString(blob, t, pad) { return parse_VtStringBase(blob, t, pad === false ? null : 4); }
function parse_VtUnalignedString(blob, t) { if(!t) throw new Error("dafuq?"); return parse_VtStringBase(blob, t, 0); }
/* [MS-OSHARED] 2.3.3.1.9 VtVecUnalignedLpstrValue */
function parse_VtVecUnalignedLpstrValue(blob) {
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
var length = read(4);
var ret = [];
for(var i = 0; i != length; ++i) ret[i] = read('lpstr');
return ret;
}
/* [MS-OSHARED] 2.3.3.1.10 VtVecUnalignedLpstr */
function parse_VtVecUnalignedLpstr(blob) {
return parse_VtVecUnalignedLpstrValue(blob);
}
/* [MS-OSHARED] 2.3.3.1.13 VtHeadingPair */
function parse_VtHeadingPair(blob) {
var headingString = parse_TypedPropertyValue(blob, VT_USTR);
var headerParts = parse_TypedPropertyValue(blob, VT_I4);
return [headingString, headerParts];
}
/* [MS-OSHARED] 2.3.3.1.14 VtVecHeadingPairValue */
function parse_VtVecHeadingPairValue(blob) {
var cElements = blob.read_shift(4);
var out = [];
for(var i = 0; i != cElements / 2; ++i) out.push(parse_VtHeadingPair(blob));
return out;
}
/* [MS-OSHARED] 2.3.3.1.15 VtVecHeadingPair */
function parse_VtVecHeadingPair(blob) {
// NOTE: When invoked, wType & padding were already consumed
return parse_VtVecHeadingPairValue(blob);
}
/* [MS-OLEPS] 2.18.1 Dictionary (uses 2.17, 2.16) */
function parse_dictionary(blob,CodePage) {
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
var cnt = read(4);
var dict = {};
for(var j = 0; j != cnt; ++j) {
var pid = read(4);
var len = read(4);
dict[pid] = read((CodePage === 0x4B0 ?'utf16le':'utf8'), len).replace(/\u0000/g,'').replace(/[\u0001-\u0006]/g,'!');
}
if(blob.l % 4) blob.l = (blob.l>>2+1)<<2;
return dict;
}
/* [MS-OLEPS] 2.9 BLOB */
function parse_BLOB(blob) {
var size = blob.read_shift(4);
var bytes = blob.slice(blob.l,blob.l+size);
if(blob.l % 4) blob.l += (4 - (blob.l % 4)) % 4;
return bytes;
}
/* [MS-OLEPS] 2.11 ClipboardData */
function parse_ClipboardData(blob) {
// TODO
var o = {};
o.Size = blob.read_shift(4);
//o.Format = blob.read_shift(4);
blob.l += o.Size;
return o;
}
/* [MS-OLEPS] 2.14 Vector and Array Property Types */
function parse_VtVector(blob, cb) {
/* [MS-OLEPS] 2.14.2 VectorHeader */
var Length = blob.read_shift(4);
var o = [];
for(var i = 0; i != Length; ++i) {
o.push(cb(blob));
}
return o;
}
/* [MS-OLEPS] 2.15 TypedPropertyValue */
function parse_TypedPropertyValue(blob, type, _opts) {
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
var t = read(2), ret, opts = _opts||{};
read(2);
if(type !== VT_VARIANT)
if(t !== type && VT_CUSTOM.indexOf(type)===-1) throw new Error('Expected type ' + type + ' saw ' + t);
switch(type === VT_VARIANT ? t : type) {
case VT_I2: ret = read(2, 'i'); if(!opts.raw) read(2); return ret;
case VT_I4: ret = read(4, 'i'); return ret;
case VT_BOOL: return read(4) !== 0x0;
case VT_UI4: ret = read(4); return ret;
case VT_LPSTR: return parse_lpstr(blob, t, 4).replace(/\u0000/g,'');
case VT_LPWSTR: return parse_lpwstr(blob);
case VT_FILETIME: return parse_FILETIME(blob);
case VT_BLOB: return parse_BLOB(blob);
case VT_CF: return parse_ClipboardData(blob);
case VT_STRING: return parse_VtString(blob, t, !opts.raw && 4).replace(/\u0000/g,'');
case VT_USTR: return parse_VtUnalignedString(blob, t, 4).replace(/\u0000/g,'');
case VT_VECTOR | VT_VARIANT: return parse_VtVecHeadingPair(blob);
case VT_VECTOR | VT_LPSTR: return parse_VtVecUnalignedLpstr(blob);
default: throw new Error("TypedPropertyValue unrecognized type " + type + " " + t);
}
}
function parse_VTVectorVariant(blob) {
/* [MS-OLEPS] 2.14.2 VectorHeader */
var Length = blob.read_shift(4);
if(Length % 2 !== 0) throw new Error("VectorHeader Length=" + Length + " must be even");
var o = [];
for(var i = 0; i != Length; ++i) {
o.push(parse_TypedPropertyValue(blob, VT_VARIANT));
}
return o;
}
/* [MS-OLEPS] 2.20 PropertySet */
function parse_PropertySet(blob, PIDSI) {
var start_addr = blob.l;
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
var size = read(4);
var NumProps = read(4);
var Props = [], i = 0;
var CodePage = 0;
var Dictionary = -1, DictObj;
for(i = 0; i != NumProps; ++i) {
var PropID = read(4);
var Offset = read(4);
Props[i] = [PropID, Offset + start_addr];
}
var PropH = {};
for(i = 0; i != NumProps; ++i) {
if(blob.l !== Props[i][1]) {
var fail = true;
if(i>0 && PIDSI) switch(PIDSI[Props[i-1][0]].t) {
case VT_I2: if(blob.l +2 === Props[i][1]) { blob.l+=2; fail = false; } break;
case VT_STRING: if(blob.l <= Props[i][1]) { blob.l=Props[i][1]; fail = false; } break;
case VT_VECTOR | VT_VARIANT: if(blob.l <= Props[i][1]) { blob.l=Props[i][1]; fail = false; } break;
}
if(fail) throw new Error("Read Error: Expected address " + Props[i][1] + ' at ' + blob.l + ' :' + i);
}
if(PIDSI) {
var piddsi = PIDSI[Props[i][0]];
PropH[piddsi.n] = parse_TypedPropertyValue(blob, piddsi.t, {raw:true});
if(piddsi.n == "CodePage") switch(PropH[piddsi.n]) {
/* TODO: Generate files under every codepage */
case 10000: break; // OSX Roman
case 1252: break; // Windows Latin
case 0: PropH[piddsi.n] = 1252; break; // Unknown -> default
case 874: // SB Windows Thai
case 1250: // SB Windows Central Europe
case 1251: // SB Windows Cyrillic
case 1253: // SB Windows Greek
case 1254: // SB Windows Turkish
case 1255: // SB Windows Hebrew
case 1256: // SB Windows Arabic
case 932: // DB Windows Japanese Shift-JIS
case 936: // DB Windows Simplified Chinese GBK
case 949: // DB Windows Korean
case 950: // DB Windows Traditional Chinese Big5
case 1200: // UTF16LE
case 1201: // UTF16BE
case 65000: case -536: // UTF-7
case 65001: case -535: // UTF-8
break;
default: throw new Error("Unsupported CodePage: " + PropH[piddsi.n]);
}
} else {
if(Props[i][0] === 0x1) {
CodePage = PropH.CodePage = parse_TypedPropertyValue(blob, VT_I2);
if(Dictionary !== -1) {
var oldpos = blob.l;
blob.l = Props[Dictionary][1];
DictObj = parse_dictionary(blob,CodePage);
blob.l = oldpos;
}
} else if(Props[i][0] === 0) {
if(CodePage === 0) { Dictionary = i; blob.l = Props[i+1][1]; continue; }
DictObj = parse_dictionary(blob,CodePage);
} else {
var name = DictObj[Props[i][0]];
var val;
/* [MS-OSHARED] 2.3.3.2.3.1.2 + PROPVARIANT */
switch(blob[blob.l]) {
case VT_BLOB: blob.l += 4; val = parse_BLOB(blob); break;
case VT_LPSTR: blob.l += 4; val = parse_VtString(blob, blob[blob.l-4]); break;
case VT_LPWSTR: blob.l += 4; val = parse_VtString(blob, blob[blob.l-4]); break;
case VT_I4: blob.l += 4; val = read(4, 'i'); break;
case VT_UI4: blob.l += 4; val = read(4); break;
case VT_R8: blob.l += 4; val = read(8, 'f'); break;
case VT_BOOL: blob.l += 4; val = parsebool(blob, 4); break;
case VT_FILETIME: blob.l += 4; val = parse_FILETIME(blob); break;
default: throw new Error("unparsed value: " + blob[blob.l]);
}
PropH[name] = val;
}
}
}
blob.l = start_addr + size; /* step ahead to skip padding */
return PropH;
}
/* [MS-OLEPS] 2.21 PropertySetStream */
function parse_PropertySetStream(file, PIDSI) {
var blob = file.content;
prep_blob(blob);
var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
var NumSets, FMTID0, FMTID1, Offset0, Offset1;
chk('feff', 'Byte Order: ');
var vers = read(2); // TODO: check version
var SystemIdentifier = read(4);
chk(HEADER_CLSID, 'CLSID: ');
NumSets = read(4);
if(NumSets !== 1 && NumSets !== 2) throw "Unrecognized #Sets: " + NumSets;
FMTID0 = read(16); Offset0 = read(4);
if(NumSets === 1 && Offset0 !== blob.l) throw "Length mismatch";
else if(NumSets === 2) { FMTID1 = read(16); Offset1 = read(4); }
var PSet0 = parse_PropertySet(blob, PIDSI);
var rval = { SystemIdentifier: SystemIdentifier };