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version bump 0.3.5: updating SSF

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- updated sheetnames tests
- updated ssf
This commit is contained in:
SheetJS 2013-12-26 22:15:16 -05:00
parent e186e55341
commit afc4e281af
5 changed files with 326 additions and 280 deletions
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296
bits/10_ssf.js
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@ -5,7 +5,8 @@ var make_ssf = function(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);}
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));}
/* Options */
var opts_fmt = {};
function fixopts(o){for(var y in opts_fmt) if(o[y]===undefined) o[y]=opts_fmt[y];}
@ -23,7 +24,7 @@ var table_fmt = {
11: '0.00E+00',
12: '# ?/?',
13: '# ??/??',
14: 'm/d/yy',
14: 'm/d/yy',
15: 'd-mmm-yy',
16: 'd-mmm',
17: 'mmm-yy',
@ -65,48 +66,58 @@ var months = [
['N', 'Nov', 'November'],
['D', 'Dec', 'December']
];
var frac = function(x, D, mixed) {
var n1 = Math.floor(x), d1 = 1;
var n2 = n1+1, d2 = 1;
if(x !== n1) while(d1 <= D && d2 <= D) {
var m = (n1 + n2) / (d1 + d2);
if(x === m) {
if(d1 + d2 <= D) { d1+=d2; n1+=n2; d2=D+1; }
else if(d1 > d2) d2=D+1;
else d1=D+1;
break;
}
else if(x < m) { n2 = n1+n2; d2 = d1+d2; }
else { n1 = n1+n2; d1 = d1+d2; }
}
if(d1 > D) { d1 = d2; n1 = n2; }
if(!mixed) return [0, n1, d1];
var q = Math.floor(n1/d1);
return [q, n1 - q*d1, d1];
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 = B|0;
while(Q_1 < D) {
A = B|0;
P = A * P_1 + P_2;
Q = A * Q_1 + Q_2;
if((B - A) < 0.0000000001) 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];
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 > Math.pow(10,-9) && V < Math.pow(10,10)) {
o = v.toPrecision(10); if(o.length > 11+(v<0?1:0)) o = v.toExponential(5);
}
else o = v.toPrecision(6);
return o.replace("e","E").replace(/\.0*$/,"").replace(/\.(.*[^0])0*$/,".$1").replace(/(E[+-])([0-9])$/,"$1"+"0"+"$2");
}
if(typeof v === 'string') return v;
throw "unsupported value in General format: " + v;
if(typeof v === 'number') {
var o, V = v < 0 ? -v : v;
if(V >= 0.1 && V < 1) o = v.toPrecision(9);
else if(V >= 0.01 && V < 0.1) o = v.toPrecision(8);
else if(V >= 0.001 && V < 0.01) o = v.toPrecision(7);
else if(V >= 0.0001 && V < 0.001) o = v.toPrecision(6);
else if(V >= Math.pow(10,10) && V < Math.pow(10,11)) o = v.toFixed(10).substr(0,12);
else if(V > Math.pow(10,-9) && V < Math.pow(10,11)) {
o = v.toFixed(12).replace(/(\.[0-9]*[1-9])0*$/,"$1").replace(/\.$/,"");
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"+"$2");
}
if(typeof v === 'string') return v;
throw "unsupported value in General format: " + v;
};
SSF._general = general_fmt;
var parse_date_code = function parse_date_code(v,opts) {
var date = Math.floor(v), time = Math.round(86400 * (v - date)), dow=0;
var dout=[], out={D:date, T:time, u:86400*(v-date)-time}; fixopts(opts = (opts||{}));
var dout=[], out={D:date, T:time, u:86400*(v-date)-time}; fixopts(opts = (opts||{}));
if(opts.date1904) date += 1462;
if(date === 60) {dout = [1900,2,29]; dow=3;}
else if(date === 0) {dout = [1900,1,0]; dow=6;}
else if(date === 0) {dout = [1900,1,0]; dow=6;}
else {
if(date > 60) --date;
/* 1 = Jan 1 1900 */
@ -125,7 +136,7 @@ var parse_date_code = function parse_date_code(v,opts) {
};
SSF.parse_date_code = parse_date_code;
var write_date = function(type, fmt, val) {
if(val < 0) return "";
if(val < 0) return "";
switch(type) {
case 'y': switch(fmt) { /* year */
case 'y': case 'yy': return pad(val.y % 100,2);
@ -164,13 +175,13 @@ var write_date = function(type, fmt, val) {
case 's': switch(fmt) { /* seconds */
case 's': return val.S;
case 'ss': return pad(val.S, 2);
case 'ss.0': return pad(val.S,2) + "." + Math.round(10*val.u);
case 'ss.0': return pad(val.S,2) + "." + Math.round(10*val.u);
default: throw 'bad second format: ' + fmt;
} break;
case 'Z': switch(fmt) {
case '[h]': return val.D*24+val.H;
default: throw 'bad abstime format: ' + fmt;
} break;
case 'Z': switch(fmt) {
case '[h]': return val.D*24+val.H;
default: throw 'bad abstime format: ' + fmt;
} break;
/* TODO: handle the ECMA spec format ee -> yy */
case 'e': { return val.y; } break;
case 'A': return (val.h>=12 ? 'P' : 'A') + fmt.substr(1);
@ -180,57 +191,65 @@ var write_date = function(type, fmt, val) {
String.prototype.reverse = function() { return this.split("").reverse().join(""); };
var commaify = function(s) { return s.reverse().replace(/.../g,"$&,").reverse().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 ee = Number(val.toExponential(0).substr(3))%3;
o = (val/Math.pow(10,ee%3)).toPrecision(idx+1+(ee%3)).replace(/^([+-]?)([0-9]*)\.([0-9]*)[Ee]/,function($$,$1,$2,$3) { return $1 + $2 + $3.substr(0,ee) + "." + $3.substr(ee) + "E"; });
} else o = val.toExponential(idx);
if(fmt.match(/E\+00$/) && 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(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 ee = Number(val.toExponential(0).substr(3))%3;
o = (val/Math.pow(10,ee%3)).toPrecision(idx+1+(ee%3)).replace(/^([+-]?)([0-9]*)\.([0-9]*)[Ee]/,function($$,$1,$2,$3) { return $1 + $2 + $3.substr(0,ee) + "." + $3.substr(ee) + "E"; });
} else o = val.toExponential(idx);
if(fmt.match(/E\+00$/) && 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 "$"+write_num(type,fmt.substr(fmt[1]==' '?2:1),val);
var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
switch(fmt) {
case "0": return Math.round(val);
case "0.0": o = Math.round(val*10);
return String(o/10).replace(/^([^\.]+)$/,"$1.0").replace(/\.$/,".0");
case "0.00": o = Math.round(val*100);
return String(o/100).replace(/^([^\.]+)$/,"$1.00").replace(/\.$/,".00").replace(/\.([0-9])$/,".$1"+"0");
case "0.000": o = Math.round(val*1000);
return String(o/1000).replace(/^([^\.]+)$/,"$1.000").replace(/\.$/,".000").replace(/\.([0-9])$/,".$1"+"00").replace(/\.([0-9][0-9])$/,".$1"+"0");
case "#,##0": return sign + commaify(String(Math.round(aval)));
case "#,##0.0": r = Math.round((val-Math.floor(val))*10); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + r;
case "#,##0.00": r = Math.round((val-Math.floor(val))*100); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + (r < 10 ? "0"+r:r);
case "# ? / ?": ff = frac(val<0?-val:val, 10, true); return (val<0?"-":"") + ff[0] + " " + ff[1] + "/" + ff[2];
case "# ?? / ??": ff = frac(val<0?-val:val, 100, true); return (val<0?"-":"") + ff[0] + " " + ff[1] + "/" + ff[2];
default:
}
throw new Error("unsupported format |" + fmt + "|");
var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
if((r = fmt.match(/# (\?+) \/ (\d+)/))) {
var den = Number(r[2]), rnd = Math.round(aval * den), base = Math.floor(rnd/den);
var myn = (rnd - base*den), myd = den;
return sign + (base?base:"") + " " + (myn === 0 ? fill(" ", r[1].length + 1 + r[2].length) : pad(myn,r[1].length," ") + "/" + pad(myd,r[2].length));
}
if(fmt.match(/^00*$/)) return (val<0?"-":"")+pad(Math.round(Math.abs(val)), fmt.length);
if(fmt.match(/^####*$/)) return "dafuq";
switch(fmt) {
case "0": return Math.round(val);
case "0.0": o = Math.round(val*10);
return String(o/10).replace(/^([^\.]+)$/,"$1.0").replace(/\.$/,".0");
case "0.00": o = Math.round(val*100);
return String(o/100).replace(/^([^\.]+)$/,"$1.00").replace(/\.$/,".00").replace(/\.([0-9])$/,".$1"+"0");
case "0.000": o = Math.round(val*1000);
return String(o/1000).replace(/^([^\.]+)$/,"$1.000").replace(/\.$/,".000").replace(/\.([0-9])$/,".$1"+"00").replace(/\.([0-9][0-9])$/,".$1"+"0");
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))) + "." + r;
case "#,##0.00": r = Math.round((val-Math.floor(val))*100); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + (r < 10 ? "0"+r:r);
case "# ? / ?": ff = frac(aval, 9, true); return sign + (ff[0]||"") + " " + (ff[1] === 0 ? " " : ff[1] + "/" + ff[2]);
case "# ?? / ??": ff = frac(aval, 99, true); return sign + (ff[0]||"") + " " + (ff[1] ? pad(ff[1],2," ") + "/" + rpad(ff[2],2," ") : " ");
case "# ??? / ???": ff = frac(aval, 999, true); return sign + (ff[0]||"") + " " + (ff[1] ? pad(ff[1],3," ") + "/" + rpad(ff[2],3," ") : " ");
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;
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) {
@ -241,46 +260,49 @@ function eval_fmt(fmt, v, opts, flen) {
while(i < fmt.length) {
switch((c = fmt[i])) {
case '"': /* Literal text */
for(o="";fmt[++i] !== '"';) 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;
for(o="";fmt[++i] !== '"';) 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':
if(v < 0) return "";
if(v < 0) return "";
if(!dt) dt = parse_date_code(v, opts);
o = fmt[i]; while(fmt[++i] === c) o+=c;
if(c === 's' && fmt[i] === '.' && fmt[i+1] === '0') { o+='.'; while(fmt[++i] === '0') o+= '0'; }
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;
q={t:c, v:o}; out.push(q); lst = c; break;
case 'A':
if(!dt) dt = parse_date_code(v, opts);
if(!dt) dt = parse_date_code(v, opts);
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'; }
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";
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 == "[h]") out.push({t:'Z', v:o});
break;
/* Numbers */
case '0': case '#':
var nn = c; while("0#?.,E+-%".indexOf(c=fmt[++i]) > -1) nn += c;
out.push({t:'n', v:nn}); 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 ' ': out.push({t:c,v:c}); ++i; break;
o = c;
while(fmt[i++] !== ']') o += fmt[i];
if(o == "[h]") out.push({t:'Z', v: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)
if("$-+/():!^&'~{}<>=".indexOf(c) === -1)
throw 'unrecognized character ' + fmt[i] + ' in ' + fmt;
out.push({t:'t', v:c}); ++i; break;
}
@ -298,19 +320,19 @@ function eval_fmt(fmt, v, opts, flen) {
/* replace fields */
for(i=0; i < out.length; ++i) {
switch(out[i].t) {
case 't': case 'T': case ' ': break;
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A': case 'e': case 'Z':
case 't': case 'T': case ' ': break;
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A': case 'e': case 'Z':
out[i].v = write_date(out[i].t, out[i].v, dt);
out[i].t = 't'; break;
case 'n': case '(':
var jj = i+1;
while(out[jj] && (out[jj].t == '?' || out[jj].t == ' ' || out[i].t == '(' && (out[jj].t == ')' || out[jj].t == 'n') || out[jj].t == 't' && (out[jj].v == '/' || out[jj].v == '$'))) {
if(out[jj].v!==' ') out[i].v += ' ' + out[jj].v;
delete out[jj]; ++jj;
}
out[i].v = write_num(out[i].t, out[i].v, v);
out[i].t = 't';
i = jj; break;
case 'n': case '(':
var jj = i+1;
while(out[jj] && ("? D".indexOf(out[jj].t) > -1 || 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 == '?')))) {
if(out[jj].v!==' ') out[i].v += ' ' + out[jj].v;
delete out[jj]; ++jj;
}
out[i].v = write_num(out[i].t, out[i].v, v);
out[i].t = 't';
i = jj; break;
default: throw "unrecognized type " + out[i].t;
}
}
@ -319,25 +341,25 @@ function eval_fmt(fmt, v, opts, flen) {
}
SSF._eval = eval_fmt;
function choose_fmt(fmt, v, o) {
if(typeof fmt === 'number') fmt = table_fmt[fmt];
if(typeof fmt === 'number') fmt = table_fmt[fmt];
if(typeof fmt === "string") fmt = split_fmt(fmt);
var l = fmt.length;
switch(fmt.length) {
case 1: fmt = [fmt[0], fmt[0], fmt[0], "@"]; break;
case 2: fmt = [fmt[0], fmt[1], fmt[0], "@"]; 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 l = fmt.length;
switch(fmt.length) {
case 1: fmt = [fmt[0], fmt[0], fmt[0], "@"]; break;
case 2: fmt = [fmt[0], fmt[fmt[1] === "@"?0:1], fmt[0], "@"]; 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(fmt === 0) return general_fmt(v, o);
fmt = table_fmt[fmt];
if(typeof fmt === 'number') fmt = table_fmt[fmt];
var f = choose_fmt(fmt, v, o);
return eval_fmt(f[1], v, o, f[0]);
return eval_fmt(f[1], v, o, f[0]);
};
SSF._choose = choose_fmt;

2
bits/70_xlsx.js
View File

@ -464,7 +464,7 @@ function parseZip(zip) {
var entries = Object.keys(zip.files);
var keys = entries.filter(function(x){return x.substr(-1) != '/';}).sort();
var dir = parseCT(getdata(getzipfile(zip, '[Content_Types].xml')));
if(dir.workbooks.length === 0) throw new Error("Could not find workbook entry");
strs = {};
if(dir.sst) strs=parse_sst(getdata(getzipfile(zip, dir.sst.replace(/^\//,''))));

2
package.json
View File

@ -1,6 +1,6 @@
{
"name": "xlsx",
"version": "0.3.4",
"version": "0.3.5",
"author": "sheetjs",
"description": "(one day) a full-featured XLSX parser and writer. For now, primitive parser",
"keywords": [ "xlsx", "office", "excel", "spreadsheet" ],

8
test.js
View File

@ -5,16 +5,18 @@ describe('source', function() { it('should load', function() { XLSX = require('.
var files = (fs.existsSync('tests.lst') ? fs.readFileSync('tests.lst', 'utf-8').split("\n") : fs.readdirSync('test_files')).filter(function(x){return x.substr(-5)==".xlsx" || x.substr(-13)==".xlsx.pending"});
function normalizecsv(x) { return x.replace(/\t/g,",").replace(/#{255}/g,"").replace(/"/g,"").replace(/[\n\r]+/g,"\n").replace(/\n*$/,""); }
function parsetest(x, wb) {
describe(x + ' should have all bits', function() {
var sname = './test_files/' + x + '.sheetnames';
var sname = './test_files/2011/' + x + '.sheetnames';
it('should have all sheets', function() {
wb.SheetNames.forEach(function(y) { assert(wb.Sheets[y], 'bad sheet ' + y); });
});
it('should have the right sheet names', fs.existsSync(sname) ? function() {
var file = fs.readFileSync(sname, 'utf-8');
var names = wb.SheetNames.join("\n") + "\n";
assert.equal(file, names);
assert.equal(names, file);
} : null);
});
describe(x + ' should generate correct output', function() {
@ -23,7 +25,7 @@ function parsetest(x, wb) {
it('#' + i + ' (' + ws + ')', fs.existsSync(name) ? function() {
var file = fs.readFileSync(name, 'utf-8');
var csv = XLSX.utils.make_csv(wb.Sheets[ws]);
assert.equal(file.replace(/"/g,""), csv.replace(/"/g,""), "CSV badness");
assert.equal(normalizecsv(csv), normalizecsv(file), "CSV badness");
} : null);
});
});

298
xlsx.js
View File

@ -8,7 +8,8 @@ var make_ssf = function(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);}
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));}
/* Options */
var opts_fmt = {};
function fixopts(o){for(var y in opts_fmt) if(o[y]===undefined) o[y]=opts_fmt[y];}
@ -26,7 +27,7 @@ var table_fmt = {
11: '0.00E+00',
12: '# ?/?',
13: '# ??/??',
14: 'm/d/yy',
14: 'm/d/yy',
15: 'd-mmm-yy',
16: 'd-mmm',
17: 'mmm-yy',
@ -68,48 +69,58 @@ var months = [
['N', 'Nov', 'November'],
['D', 'Dec', 'December']
];
var frac = function(x, D, mixed) {
var n1 = Math.floor(x), d1 = 1;
var n2 = n1+1, d2 = 1;
if(x !== n1) while(d1 <= D && d2 <= D) {
var m = (n1 + n2) / (d1 + d2);
if(x === m) {
if(d1 + d2 <= D) { d1+=d2; n1+=n2; d2=D+1; }
else if(d1 > d2) d2=D+1;
else d1=D+1;
break;
}
else if(x < m) { n2 = n1+n2; d2 = d1+d2; }
else { n1 = n1+n2; d1 = d1+d2; }
}
if(d1 > D) { d1 = d2; n1 = n2; }
if(!mixed) return [0, n1, d1];
var q = Math.floor(n1/d1);
return [q, n1 - q*d1, d1];
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 = B|0;
while(Q_1 < D) {
A = B|0;
P = A * P_1 + P_2;
Q = A * Q_1 + Q_2;
if((B - A) < 0.0000000001) 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];
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 > Math.pow(10,-9) && V < Math.pow(10,10)) {
o = v.toPrecision(10); if(o.length > 11+(v<0?1:0)) o = v.toExponential(5);
}
else o = v.toPrecision(6);
return o.replace("e","E").replace(/\.0*$/,"").replace(/\.(.*[^0])0*$/,".$1").replace(/(E[+-])([0-9])$/,"$1"+"0"+"$2");
}
if(typeof v === 'string') return v;
throw "unsupported value in General format: " + v;
if(typeof v === 'number') {
var o, V = v < 0 ? -v : v;
if(V >= 0.1 && V < 1) o = v.toPrecision(9);
else if(V >= 0.01 && V < 0.1) o = v.toPrecision(8);
else if(V >= 0.001 && V < 0.01) o = v.toPrecision(7);
else if(V >= 0.0001 && V < 0.001) o = v.toPrecision(6);
else if(V >= Math.pow(10,10) && V < Math.pow(10,11)) o = v.toFixed(10).substr(0,12);
else if(V > Math.pow(10,-9) && V < Math.pow(10,11)) {
o = v.toFixed(12).replace(/(\.[0-9]*[1-9])0*$/,"$1").replace(/\.$/,"");
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"+"$2");
}
if(typeof v === 'string') return v;
throw "unsupported value in General format: " + v;
};
SSF._general = general_fmt;
var parse_date_code = function parse_date_code(v,opts) {
var date = Math.floor(v), time = Math.round(86400 * (v - date)), dow=0;
var dout=[], out={D:date, T:time, u:86400*(v-date)-time}; fixopts(opts = (opts||{}));
var dout=[], out={D:date, T:time, u:86400*(v-date)-time}; fixopts(opts = (opts||{}));
if(opts.date1904) date += 1462;
if(date === 60) {dout = [1900,2,29]; dow=3;}
else if(date === 0) {dout = [1900,1,0]; dow=6;}
else if(date === 0) {dout = [1900,1,0]; dow=6;}
else {
if(date > 60) --date;
/* 1 = Jan 1 1900 */
@ -128,7 +139,7 @@ var parse_date_code = function parse_date_code(v,opts) {
};
SSF.parse_date_code = parse_date_code;
var write_date = function(type, fmt, val) {
if(val < 0) return "";
if(val < 0) return "";
switch(type) {
case 'y': switch(fmt) { /* year */
case 'y': case 'yy': return pad(val.y % 100,2);
@ -167,13 +178,13 @@ var write_date = function(type, fmt, val) {
case 's': switch(fmt) { /* seconds */
case 's': return val.S;
case 'ss': return pad(val.S, 2);
case 'ss.0': return pad(val.S,2) + "." + Math.round(10*val.u);
case 'ss.0': return pad(val.S,2) + "." + Math.round(10*val.u);
default: throw 'bad second format: ' + fmt;
} break;
case 'Z': switch(fmt) {
case '[h]': return val.D*24+val.H;
default: throw 'bad abstime format: ' + fmt;
} break;
case 'Z': switch(fmt) {
case '[h]': return val.D*24+val.H;
default: throw 'bad abstime format: ' + fmt;
} break;
/* TODO: handle the ECMA spec format ee -> yy */
case 'e': { return val.y; } break;
case 'A': return (val.h>=12 ? 'P' : 'A') + fmt.substr(1);
@ -183,57 +194,65 @@ var write_date = function(type, fmt, val) {
String.prototype.reverse = function() { return this.split("").reverse().join(""); };
var commaify = function(s) { return s.reverse().replace(/.../g,"$&,").reverse().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 ee = Number(val.toExponential(0).substr(3))%3;
o = (val/Math.pow(10,ee%3)).toPrecision(idx+1+(ee%3)).replace(/^([+-]?)([0-9]*)\.([0-9]*)[Ee]/,function($$,$1,$2,$3) { return $1 + $2 + $3.substr(0,ee) + "." + $3.substr(ee) + "E"; });
} else o = val.toExponential(idx);
if(fmt.match(/E\+00$/) && 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(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 ee = Number(val.toExponential(0).substr(3))%3;
o = (val/Math.pow(10,ee%3)).toPrecision(idx+1+(ee%3)).replace(/^([+-]?)([0-9]*)\.([0-9]*)[Ee]/,function($$,$1,$2,$3) { return $1 + $2 + $3.substr(0,ee) + "." + $3.substr(ee) + "E"; });
} else o = val.toExponential(idx);
if(fmt.match(/E\+00$/) && 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 "$"+write_num(type,fmt.substr(fmt[1]==' '?2:1),val);
var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
switch(fmt) {
case "0": return Math.round(val);
case "0.0": o = Math.round(val*10);
return String(o/10).replace(/^([^\.]+)$/,"$1.0").replace(/\.$/,".0");
case "0.00": o = Math.round(val*100);
return String(o/100).replace(/^([^\.]+)$/,"$1.00").replace(/\.$/,".00").replace(/\.([0-9])$/,".$1"+"0");
case "0.000": o = Math.round(val*1000);
return String(o/1000).replace(/^([^\.]+)$/,"$1.000").replace(/\.$/,".000").replace(/\.([0-9])$/,".$1"+"00").replace(/\.([0-9][0-9])$/,".$1"+"0");
case "#,##0": return sign + commaify(String(Math.round(aval)));
case "#,##0.0": r = Math.round((val-Math.floor(val))*10); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + r;
case "#,##0.00": r = Math.round((val-Math.floor(val))*100); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + (r < 10 ? "0"+r:r);
case "# ? / ?": ff = frac(val<0?-val:val, 10, true); return (val<0?"-":"") + ff[0] + " " + ff[1] + "/" + ff[2];
case "# ?? / ??": ff = frac(val<0?-val:val, 100, true); return (val<0?"-":"") + ff[0] + " " + ff[1] + "/" + ff[2];
default:
}
throw new Error("unsupported format |" + fmt + "|");
var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
if((r = fmt.match(/# (\?+) \/ (\d+)/))) {
var den = Number(r[2]), rnd = Math.round(aval * den), base = Math.floor(rnd/den);
var myn = (rnd - base*den), myd = den;
return sign + (base?base:"") + " " + (myn === 0 ? fill(" ", r[1].length + 1 + r[2].length) : pad(myn,r[1].length," ") + "/" + pad(myd,r[2].length));
}
if(fmt.match(/^00*$/)) return (val<0?"-":"")+pad(Math.round(Math.abs(val)), fmt.length);
if(fmt.match(/^####*$/)) return "dafuq";
switch(fmt) {
case "0": return Math.round(val);
case "0.0": o = Math.round(val*10);
return String(o/10).replace(/^([^\.]+)$/,"$1.0").replace(/\.$/,".0");
case "0.00": o = Math.round(val*100);
return String(o/100).replace(/^([^\.]+)$/,"$1.00").replace(/\.$/,".00").replace(/\.([0-9])$/,".$1"+"0");
case "0.000": o = Math.round(val*1000);
return String(o/1000).replace(/^([^\.]+)$/,"$1.000").replace(/\.$/,".000").replace(/\.([0-9])$/,".$1"+"00").replace(/\.([0-9][0-9])$/,".$1"+"0");
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))) + "." + r;
case "#,##0.00": r = Math.round((val-Math.floor(val))*100); return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + (r < 10 ? "0"+r:r);
case "# ? / ?": ff = frac(aval, 9, true); return sign + (ff[0]||"") + " " + (ff[1] === 0 ? " " : ff[1] + "/" + ff[2]);
case "# ?? / ??": ff = frac(aval, 99, true); return sign + (ff[0]||"") + " " + (ff[1] ? pad(ff[1],2," ") + "/" + rpad(ff[2],2," ") : " ");
case "# ??? / ???": ff = frac(aval, 999, true); return sign + (ff[0]||"") + " " + (ff[1] ? pad(ff[1],3," ") + "/" + rpad(ff[2],3," ") : " ");
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;
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) {
@ -244,46 +263,49 @@ function eval_fmt(fmt, v, opts, flen) {
while(i < fmt.length) {
switch((c = fmt[i])) {
case '"': /* Literal text */
for(o="";fmt[++i] !== '"';) 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;
for(o="";fmt[++i] !== '"';) 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':
if(v < 0) return "";
if(v < 0) return "";
if(!dt) dt = parse_date_code(v, opts);
o = fmt[i]; while(fmt[++i] === c) o+=c;
if(c === 's' && fmt[i] === '.' && fmt[i+1] === '0') { o+='.'; while(fmt[++i] === '0') o+= '0'; }
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;
q={t:c, v:o}; out.push(q); lst = c; break;
case 'A':
if(!dt) dt = parse_date_code(v, opts);
if(!dt) dt = parse_date_code(v, opts);
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'; }
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";
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 == "[h]") out.push({t:'Z', v:o});
break;
/* Numbers */
case '0': case '#':
var nn = c; while("0#?.,E+-%".indexOf(c=fmt[++i]) > -1) nn += c;
out.push({t:'n', v:nn}); 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 ' ': out.push({t:c,v:c}); ++i; break;
o = c;
while(fmt[i++] !== ']') o += fmt[i];
if(o == "[h]") out.push({t:'Z', v: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)
if("$-+/():!^&'~{}<>=".indexOf(c) === -1)
throw 'unrecognized character ' + fmt[i] + ' in ' + fmt;
out.push({t:'t', v:c}); ++i; break;
}
@ -301,19 +323,19 @@ function eval_fmt(fmt, v, opts, flen) {
/* replace fields */
for(i=0; i < out.length; ++i) {
switch(out[i].t) {
case 't': case 'T': case ' ': break;
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A': case 'e': case 'Z':
case 't': case 'T': case ' ': break;
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A': case 'e': case 'Z':
out[i].v = write_date(out[i].t, out[i].v, dt);
out[i].t = 't'; break;
case 'n': case '(':
var jj = i+1;
while(out[jj] && (out[jj].t == '?' || out[jj].t == ' ' || out[i].t == '(' && (out[jj].t == ')' || out[jj].t == 'n') || out[jj].t == 't' && (out[jj].v == '/' || out[jj].v == '$'))) {
if(out[jj].v!==' ') out[i].v += ' ' + out[jj].v;
delete out[jj]; ++jj;
}
out[i].v = write_num(out[i].t, out[i].v, v);
out[i].t = 't';
i = jj; break;
case 'n': case '(':
var jj = i+1;
while(out[jj] && ("? D".indexOf(out[jj].t) > -1 || 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 == '?')))) {
if(out[jj].v!==' ') out[i].v += ' ' + out[jj].v;
delete out[jj]; ++jj;
}
out[i].v = write_num(out[i].t, out[i].v, v);
out[i].t = 't';
i = jj; break;
default: throw "unrecognized type " + out[i].t;
}
}
@ -322,25 +344,25 @@ function eval_fmt(fmt, v, opts, flen) {
}
SSF._eval = eval_fmt;
function choose_fmt(fmt, v, o) {
if(typeof fmt === 'number') fmt = table_fmt[fmt];
if(typeof fmt === 'number') fmt = table_fmt[fmt];
if(typeof fmt === "string") fmt = split_fmt(fmt);
var l = fmt.length;
switch(fmt.length) {
case 1: fmt = [fmt[0], fmt[0], fmt[0], "@"]; break;
case 2: fmt = [fmt[0], fmt[1], fmt[0], "@"]; 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 l = fmt.length;
switch(fmt.length) {
case 1: fmt = [fmt[0], fmt[0], fmt[0], "@"]; break;
case 2: fmt = [fmt[0], fmt[fmt[1] === "@"?0:1], fmt[0], "@"]; 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(fmt === 0) return general_fmt(v, o);
fmt = table_fmt[fmt];
if(typeof fmt === 'number') fmt = table_fmt[fmt];
var f = choose_fmt(fmt, v, o);
return eval_fmt(f[1], v, o, f[0]);
return eval_fmt(f[1], v, o, f[0]);
};
SSF._choose = choose_fmt;
@ -1022,7 +1044,7 @@ function parseZip(zip) {
var entries = Object.keys(zip.files);
var keys = entries.filter(function(x){return x.substr(-1) != '/';}).sort();
var dir = parseCT(getdata(getzipfile(zip, '[Content_Types].xml')));
if(dir.workbooks.length === 0) throw new Error("Could not find workbook entry");
strs = {};
if(dir.sst) strs=parse_sst(getdata(getzipfile(zip, dir.sst.replace(/^\//,''))));