forked from sheetjs/sheetjs
updating to 0.3.6
This commit is contained in:
parent
7c5bc5b20d
commit
dd50322010
192
xlsx.js
192
xlsx.js
@ -2,13 +2,14 @@
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/* vim: set ts=2: */
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/*jshint eqnull:true */
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/* Spreadsheet Format -- jump to XLSX for the XLSX code */
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if(typeof require !== "undefined") SSF = require('ssf');
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var SSF = (function() {
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var SSF = {};
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/* ssf.js (C) 2013 SheetJS -- http://sheetjs.com */
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var SSF = {};
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var make_ssf = function(SSF){
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String.prototype.reverse=function(){return this.split("").reverse().join("");};
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var _strrev = function(x) { return String(x).reverse(); };
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function fill(c,l) { return new Array(l+1).join(c); }
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function pad(v,d){var t=String(v);return t.length>=d?t:(fill(0,d-t.length)+t);}
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function pad(v,d,c){var t=String(v);return t.length>=d?t:(fill(c||0,d-t.length)+t);}
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function rpad(v,d,c){var t=String(v);return t.length>=d?t:(t+fill(c||0,d-t.length));}
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/* Options */
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var opts_fmt = {};
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function fixopts(o){for(var y in opts_fmt) if(o[y]===undefined) o[y]=opts_fmt[y];}
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@ -26,7 +27,7 @@ var table_fmt = {
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11: '0.00E+00',
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12: '# ?/?',
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13: '# ??/??',
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14: 'mm/dd/yy',
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14: 'm/d/yy',
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15: 'd-mmm-yy',
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16: 'd-mmm',
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17: 'mmm-yy',
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@ -68,15 +69,58 @@ var months = [
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['N', 'Nov', 'November'],
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['D', 'Dec', 'December']
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];
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var frac = function frac(x, D, mixed) {
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var sgn = x < 0 ? -1 : 1;
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var B = x * sgn;
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var P_2 = 0, P_1 = 1, P = 0;
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var Q_2 = 1, Q_1 = 0, Q = 0;
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var A = B|0;
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while(Q_1 < D) {
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A = B|0;
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P = A * P_1 + P_2;
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Q = A * Q_1 + Q_2;
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if((B - A) < 0.0000000001) break;
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B = 1 / (B - A);
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P_2 = P_1; P_1 = P;
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Q_2 = Q_1; Q_1 = Q;
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}
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if(Q > D) { Q = Q_1; P = P_1; }
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if(Q > D) { Q = Q_2; P = P_2; }
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if(!mixed) return [0, sgn * P, Q];
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var q = Math.floor(sgn * P/Q);
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return [q, sgn*P - q*Q, Q];
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};
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var general_fmt = function(v) {
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if(typeof v === 'boolean') return v ? "TRUE" : "FALSE";
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if(typeof v === 'number') {
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var o, V = v < 0 ? -v : v;
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if(V >= 0.1 && V < 1) o = v.toPrecision(9);
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else if(V >= 0.01 && V < 0.1) o = v.toPrecision(8);
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else if(V >= 0.001 && V < 0.01) o = v.toPrecision(7);
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else if(V >= 0.0001 && V < 0.001) o = v.toPrecision(6);
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else if(V >= Math.pow(10,10) && V < Math.pow(10,11)) o = v.toFixed(10).substr(0,12);
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else if(V > Math.pow(10,-9) && V < Math.pow(10,11)) {
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o = v.toFixed(12).replace(/(\.[0-9]*[1-9])0*$/,"$1").replace(/\.$/,"");
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if(o.length > 11+(v<0?1:0)) o = v.toPrecision(10);
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if(o.length > 11+(v<0?1:0)) o = v.toExponential(5);
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}
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else {
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o = v.toFixed(11).replace(/(\.[0-9]*[1-9])0*$/,"$1");
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if(o.length > 11 + (v<0?1:0)) o = v.toPrecision(6);
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}
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o = o.replace(/(\.[0-9]*[1-9])0+e/,"$1e").replace(/\.0*e/,"e");
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return o.replace("e","E").replace(/\.0*$/,"").replace(/\.([0-9]*[^0])0*$/,".$1").replace(/(E[+-])([0-9])$/,"$1"+"0"+"$2");
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}
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if(typeof v === 'string') return v;
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throw "unsupported value in General format: " + v;
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};
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SSF._general = general_fmt;
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var parse_date_code = function parse_date_code(v,opts) {
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var date = Math.floor(v), time = Math.round(86400 * (v - date)), dow=0;
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var dout=[], out={D:date, T:time}; fixopts(opts = (opts||{}));
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var dout=[], out={D:date, T:time, u:86400*(v-date)-time}; fixopts(opts = (opts||{}));
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if(opts.date1904) date += 1462;
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if(date === 60) {dout = [1900,2,29]; dow=3;}
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else if(date === 0) {dout = [1900,1,0]; dow=6;}
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else {
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if(date > 60) --date;
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/* 1 = Jan 1 1900 */
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@ -95,6 +139,7 @@ var parse_date_code = function parse_date_code(v,opts) {
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};
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SSF.parse_date_code = parse_date_code;
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var write_date = function(type, fmt, val) {
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if(val < 0) return "";
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switch(type) {
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case 'y': switch(fmt) { /* year */
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case 'y': case 'yy': return pad(val.y % 100,2);
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@ -133,19 +178,84 @@ var write_date = function(type, fmt, val) {
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case 's': switch(fmt) { /* seconds */
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case 's': return val.S;
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case 'ss': return pad(val.S, 2);
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case 'ss.0': return pad(val.S,2) + "." + Math.round(10*val.u);
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default: throw 'bad second format: ' + fmt;
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} break;
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case 'Z': switch(fmt) {
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case '[h]': return val.D*24+val.H;
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default: throw 'bad abstime format: ' + fmt;
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} break;
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/* TODO: handle the ECMA spec format ee -> yy */
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case 'e': { return val.y; } break;
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case 'A': return (val.h>=12 ? 'P' : 'A') + fmt.substr(1);
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default: throw 'bad format type ' + type + ' in ' + fmt;
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}
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};
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String.prototype.reverse = function() { return this.split("").reverse().join(""); };
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var commaify = function(s) { return s.reverse().replace(/.../g,"$&,").reverse().replace(/^,/,""); };
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var write_num = function(type, fmt, val) {
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if(type === '(') {
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var ffmt = fmt.replace(/\( */,"").replace(/ \)/,"").replace(/\)/,"");
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if(val >= 0) return write_num('n', ffmt, val);
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return '(' + write_num('n', ffmt, -val) + ')';
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}
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var mul = 0, o;
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fmt = fmt.replace(/%/g,function(x) { mul++; return ""; });
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if(mul !== 0) return write_num(type, fmt, val * Math.pow(10,2*mul)) + fill("%",mul);
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if(fmt.indexOf("E") > -1) {
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var idx = fmt.indexOf("E") - fmt.indexOf(".") - 1;
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if(fmt == '##0.0E+0') {
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var ee = Number(val.toExponential(0).substr(3))%3;
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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) + "." + $3.substr(ee) + "E"; });
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} else o = val.toExponential(idx);
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if(fmt.match(/E\+00$/) && o.match(/e[+-][0-9]$/)) o = o.substr(0,o.length-1) + "0" + o[o.length-1];
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if(fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/,"e");
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return o.replace("e","E");
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}
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if(fmt[0] === "$") return "$"+write_num(type,fmt.substr(fmt[1]==' '?2:1),val);
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var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
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if((r = fmt.match(/# (\?+) \/ (\d+)/))) {
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var den = Number(r[2]), rnd = Math.round(aval * den), base = Math.floor(rnd/den);
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var myn = (rnd - base*den), myd = den;
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return sign + (base?base:"") + " " + (myn === 0 ? fill(" ", r[1].length + 1 + r[2].length) : pad(myn,r[1].length," ") + "/" + pad(myd,r[2].length));
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}
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if(fmt.match(/^00*$/)) return (val<0?"-":"")+pad(Math.round(Math.abs(val)), fmt.length);
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if(fmt.match(/^####*$/)) return "dafuq";
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switch(fmt) {
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case "0": return Math.round(val);
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case "0.0": o = Math.round(val*10);
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return String(o/10).replace(/^([^\.]+)$/,"$1.0").replace(/\.$/,".0");
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case "0.00": o = Math.round(val*100);
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return String(o/100).replace(/^([^\.]+)$/,"$1.00").replace(/\.$/,".00").replace(/\.([0-9])$/,".$1"+"0");
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case "0.000": o = Math.round(val*1000);
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return String(o/1000).replace(/^([^\.]+)$/,"$1.000").replace(/\.$/,".000").replace(/\.([0-9])$/,".$1"+"00").replace(/\.([0-9][0-9])$/,".$1"+"0");
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case "#,##0": return sign + commaify(String(Math.round(aval)));
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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;
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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);
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case "# ? / ?": ff = frac(aval, 9, true); return sign + (ff[0]||"") + " " + (ff[1] === 0 ? " " : ff[1] + "/" + ff[2]);
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case "# ?? / ??": ff = frac(aval, 99, true); return sign + (ff[0]||"") + " " + (ff[1] ? pad(ff[1],2," ") + "/" + rpad(ff[2],2," ") : " ");
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case "# ??? / ???": ff = frac(aval, 999, true); return sign + (ff[0]||"") + " " + (ff[1] ? pad(ff[1],3," ") + "/" + rpad(ff[2],3," ") : " ");
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default:
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}
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throw new Error("unsupported format |" + fmt + "|");
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};
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function split_fmt(fmt) {
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return fmt.reverse().split(/;(?!\\)/).reverse().map(_strrev);
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var out = [];
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var in_str = -1;
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for(var i = 0, j = 0; i < fmt.length; ++i) {
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if(in_str != -1) { if(fmt[i] == '"') in_str = -1; continue; }
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if(fmt[i] == "_" || fmt[i] == "*" || fmt[i] == "\\") { ++i; continue; }
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if(fmt[i] == '"') { in_str = i; continue; }
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if(fmt[i] != ";") continue;
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out.push(fmt.slice(j,i));
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j = i+1;
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}
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out.push(fmt.slice(j));
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if(in_str !=-1) throw "Format |" + fmt + "| unterminated string at " + in_str;
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return out;
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}
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SSF._split = split_fmt;
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function eval_fmt(fmt, v, opts) {
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function eval_fmt(fmt, v, opts, flen) {
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var out = [], o = "", i = 0, c = "", lst='t', q = {}, dt;
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fixopts(opts = (opts || {}));
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var hr='H';
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@ -153,15 +263,19 @@ function eval_fmt(fmt, v, opts) {
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while(i < fmt.length) {
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switch((c = fmt[i])) {
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case '"': /* Literal text */
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for(o="";fmt[++i] !== '"';) o += fmt[(fmt[i] === '\\' ? ++i : i)];
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out.push({t:'t', v:o}); break;
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case '\\': out.push({t:'t', v:fmt[++i]}); ++i; break;
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for(o="";fmt[++i] !== '"';) o += fmt[i];
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out.push({t:'t', v:o}); ++i; break;
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case '\\': var w = fmt[++i], t = "()".indexOf(w) === -1 ? 't' : w;
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out.push({t:t, v:w}); ++i; break;
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case '_': out.push({t:'t', v:" "}); i+=2; break;
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case '@': /* Text Placeholder */
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out.push({t:'T', v:v}); ++i; break;
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/* Dates */
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case 'm': case 'd': case 'y': case 'h': case 's': case 'e':
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if(v < 0) return "";
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if(!dt) dt = parse_date_code(v, opts);
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o = fmt[i]; while(fmt[++i] === c) o+=c;
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if(c === 's' && fmt[i] === '.' && fmt[i+1] === '0') { o+='.'; while(fmt[++i] === '0') o+= '0'; }
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if(c === 'm' && lst.toLowerCase() === 'h') c = 'M'; /* m = minute */
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if(c === 'h') c = hr;
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q={t:c, v:o}; out.push(q); lst = c; break;
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@ -173,13 +287,30 @@ function eval_fmt(fmt, v, opts) {
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else q.t = "t";
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out.push(q); lst = c; break;
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case '[': /* TODO: Fix this -- ignore all conditionals and formatting */
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while(fmt[i++] !== ']'); break;
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o = c;
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while(fmt[i++] !== ']') o += fmt[i];
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if(o == "[h]") out.push({t:'Z', v:o});
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break;
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/* Numbers */
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case '0': case '#':
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o = c; while("0#?.,E+-%".indexOf(c=fmt[++i]) > -1) o += c;
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out.push({t:'n', v:o}); break;
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case '?':
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o = fmt[i]; while(fmt[++i] === c) o+=c;
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q={t:c, v:o}; out.push(q); lst = c; break;
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case '*': ++i; if(fmt[i] == ' ') ++i; break; // **
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case '(': case ')': out.push({t:(flen===1?'t':c),v:c}); ++i; break;
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case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
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o = fmt[i]; while("0123456789".indexOf(fmt[++i]) > -1) o+=fmt[i];
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out.push({t:'D', v:o}); break;
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case ' ': out.push({t:c,v:c}); ++i; break;
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default:
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if("$-+/():!^&'~{}<>= ".indexOf(c) === -1)
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if("$-+/():!^&'~{}<>=".indexOf(c) === -1)
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throw 'unrecognized character ' + fmt[i] + ' in ' + fmt;
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out.push({t:'t', v:c}); ++i; break;
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}
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}
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/* walk backwards */
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for(i=out.length-1, lst='t'; i >= 0; --i) {
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switch(out[i].t) {
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@ -192,10 +323,19 @@ function eval_fmt(fmt, v, opts) {
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/* replace fields */
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for(i=0; i < out.length; ++i) {
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switch(out[i].t) {
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case 't': case 'T': break;
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case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A': case 'e':
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case 't': case 'T': case ' ': break;
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case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A': case 'e': case 'Z':
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out[i].v = write_date(out[i].t, out[i].v, dt);
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out[i].t = 't'; break;
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case 'n': case '(':
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var jj = i+1;
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while(out[jj] && ("? D".indexOf(out[jj].t) > -1 || out[i].t == '(' && (out[jj].t == ')' || out[jj].t == 'n') || out[jj].t == 't' && (out[jj].v == '/' || out[jj].v == '$' || (out[jj].v == ' ' && (out[jj+1]||{}).t == '?')))) {
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if(out[jj].v!==' ') out[i].v += ' ' + out[jj].v;
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delete out[jj]; ++jj;
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}
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out[i].v = write_num(out[i].t, out[i].v, v);
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out[i].t = 't';
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i = jj; break;
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default: throw "unrecognized type " + out[i].t;
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}
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}
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@ -203,10 +343,18 @@ function eval_fmt(fmt, v, opts) {
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return out.map(function(x){return x.v;}).join("");
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}
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SSF._eval = eval_fmt;
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function choose_fmt(fmt, v) {
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function choose_fmt(fmt, v, o) {
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if(typeof fmt === 'number') fmt = table_fmt[fmt];
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if(typeof fmt === "string") fmt = split_fmt(fmt);
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if(typeof v !== "number") return fmt[3];
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return v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
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var l = fmt.length;
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switch(fmt.length) {
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case 1: fmt = [fmt[0], fmt[0], fmt[0], "@"]; break;
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case 2: fmt = [fmt[0], fmt[fmt[1] === "@"?0:1], fmt[0], "@"]; break;
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case 4: break;
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default: throw "cannot find right format for |" + fmt + "|";
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}
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if(typeof v !== "number") return [fmt.length, fmt[3]];
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return [l, v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2]];
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}
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var format = function format(fmt,v,o) {
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@ -214,15 +362,15 @@ var format = function format(fmt,v,o) {
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if(fmt === 0) return general_fmt(v, o);
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if(typeof fmt === 'number') fmt = table_fmt[fmt];
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var f = choose_fmt(fmt, v, o);
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return eval_fmt(f, v, o);
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return eval_fmt(f[1], v, o, f[0]);
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};
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SSF._choose = choose_fmt;
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SSF._table = table_fmt;
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SSF.load = function(fmt, idx) { table_fmt[idx] = fmt; };
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SSF.format = format;
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return SSF;
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})();
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};
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make_ssf(SSF);
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var XLSX = {};
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(function(XLSX){
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function parsexmltag(tag) {
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@ -896,7 +1044,7 @@ function parseZip(zip) {
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var entries = Object.keys(zip.files);
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var keys = entries.filter(function(x){return x.substr(-1) != '/';}).sort();
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var dir = parseCT(getdata(getzipfile(zip, '[Content_Types].xml')));
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if(dir.workbooks.length === 0) throw new Error("Could not find workbook entry");
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strs = {};
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if(dir.sst) strs=parse_sst(getdata(getzipfile(zip, dir.sst.replace(/^\//,''))));
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