version bump 0.3.0: support for standard formats
Many cases are hard-coded and should be parsed before version 1.0
This commit is contained in:
parent
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commit
fc9835e819
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@ -1,6 +1,6 @@
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{
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"name": "ssf",
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"version": "0.2.3",
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"version": "0.3.0",
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"author": "SheetJS",
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"description": "pure-JS library to format data using ECMA-376 spreadsheet Format Codes",
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"keywords": [ "format", "sprintf", "spreadsheet" ],
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84
ssf.js
84
ssf.js
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@ -1,6 +1,6 @@
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/* ssf.js (C) 2013 SheetJS -- http://sheetjs.com */
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var SSF = {};
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(function(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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@ -22,7 +22,7 @@ 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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@ -86,10 +86,18 @@ var frac = function(x, D, mixed) {
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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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return v.toPrecision(10).replace(/\.0*$/,"").replace(/\.(.*[^0])0*$/,".$1");
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var o, V = v < 0 ? -v : v;
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if(V >= 0.1 && V < 1) o = v.toPrecision(9);
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else if(V >= 0.01 && V < 0.1) o = v.toPrecision(8);
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else if(V >= 0.001 && V < 0.01) o = v.toPrecision(7);
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else if(V > Math.pow(10,-9) && V < Math.pow(10,10)) {
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o = v.toPrecision(10); if(o.length > 11+(v<0?1:0)) o = v.toExponential(5);
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}
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else o = v.toPrecision(6);
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return o.replace("e","E").replace(/\.0*$/,"").replace(/\.(.*[^0])0*$/,".$1").replace(/(E[+-])([0-9])$/,"$1"+"0"+"$2");
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}
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if(typeof v === 'string') return v;
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throw "unsupport value in General format: " + v;
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throw "unsupported value in General format: " + v;
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};
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SSF._general = general_fmt;
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var parse_date_code = function parse_date_code(v,opts) {
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@ -97,6 +105,7 @@ var parse_date_code = function parse_date_code(v,opts) {
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var dout=[], out={D:date, T:time, u:86400*(v-date)-time}; fixopts(opts = (opts||{}));
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if(opts.date1904) date += 1462;
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if(date === 60) {dout = [1900,2,29]; dow=3;}
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else if(date === 0) {dout = [1900,1,0]; dow=6;}
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else {
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if(date > 60) --date;
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/* 1 = Jan 1 1900 */
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@ -168,31 +177,42 @@ var write_date = function(type, fmt, val) {
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}
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};
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String.prototype.reverse = function() { return this.split("").reverse().join(""); };
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var commaify = function(s) { return s.reverse().replace(/.../g,"$&,").reverse(); };
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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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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;
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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 o = val.toExponential(fmt.indexOf("E") - fmt.indexOf(".") - 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]$/)) o = o.substr(0,o.length-1) + "0" + o[o.length-1];
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if(fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/,"e");
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return o.replace("e","E");
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}
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var ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
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if(fmt[0] === "$") return "$"+write_num(type,fmt.substr(fmt[1]==' '?2:1),val);
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var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
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switch(fmt) {
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case "0": return Math.round(val);
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case "0.00": return Math.round(val*100)/100;
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case "0.0": o = Math.round(val*10);
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return String(o/10).replace(/^([^\.]+)$/,"$1.0").replace(/\.$/,".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 "#,##0.00": return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + Math.round((val-Math.floor(val))*100);
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case "# ? / ?": ff = frac(val<0?-val:val, 10, true); return (val<0?"-":"") + ff[0] + " " + ff[1] + "/" + ff[2];
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case "# ?? / ??": ff = frac(val<0?-val:val, 100, true); return (val<0?"-":"") + ff[0] + " " + ff[1] + "/" + ff[2];
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default:
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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(val<0?-val:val, 10, true); return (val<0?"-":"") + ff[0] + " " + ff[1] + "/" + ff[2];
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case "# ?? / ??": ff = frac(val<0?-val:val, 100, true); return (val<0?"-":"") + ff[0] + " " + ff[1] + "/" + ff[2];
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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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@ -212,7 +232,7 @@ function split_fmt(fmt) {
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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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@ -220,9 +240,11 @@ 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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@ -244,7 +266,7 @@ function eval_fmt(fmt, v, opts) {
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case '[': /* TODO: Fix this -- ignore all conditionals and formatting */
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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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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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@ -253,8 +275,8 @@ function eval_fmt(fmt, v, opts) {
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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 '(': case ')': out.push({t:c,v:c}); ++i; 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 ' ': 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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@ -281,12 +303,12 @@ function eval_fmt(fmt, v, opts) {
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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] && (out[jj].t == '?' || out[jj].t == ' ' || out[i].t == '(' && (out[jj].t == ')' || out[jj].t == 'n') || out[jj].t == 't' && out[jj].v == '/')) {
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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 == '$'))) {
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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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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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@ -295,29 +317,31 @@ 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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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[1], fmt[0], "@"]; break;
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case 4: 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[3];
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return v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
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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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fixopts(o = (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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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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})(SSF);
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};
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make_ssf(SSF);
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147
ssf.md
147
ssf.md
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@ -139,7 +139,15 @@ For numbers, try to display up to 11 digits of the number (the original code
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```
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if(typeof v === 'number') {
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return v.toPrecision(10).replace(/\.0*$/,"").replace(/\.(.*[^0])0*$/,".$1");
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var o, V = v < 0 ? -v : v;
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if(V >= 0.1 && V < 1) o = v.toPrecision(9);
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else if(V >= 0.01 && V < 0.1) o = v.toPrecision(8);
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else if(V >= 0.001 && V < 0.01) o = v.toPrecision(7);
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else if(V > Math.pow(10,-9) && V < Math.pow(10,10)) {
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o = v.toPrecision(10); if(o.length > 11+(v<0?1:0)) o = v.toExponential(5);
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}
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else o = v.toPrecision(6);
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return o.replace("e","E").replace(/\.0*$/,"").replace(/\.(.*[^0])0*$/,".$1").replace(/(E[+-])([0-9])$/,"$1"+"0"+"$2");
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}
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```
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@ -149,8 +157,10 @@ For strings, just return the text as-is:
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if(typeof v === 'string') return v;
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```
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Anything else is bad:
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```
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throw "unsupport value in General format: " + 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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```
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@ -173,12 +183,12 @@ var table_fmt = {
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13: '# ??/??',
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```
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Now Excel and other formats treat code 14 as `mm/dd/yy` (with slashes). Given
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Now Excel and other formats treat code 14 as `m/d/yy` (with slashes). Given
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that the spec gives no internationalization considerations, erring on the side
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of the applications makes sense here:
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```
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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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@ -261,6 +271,24 @@ These test cases were manually generated in Excel 2011 [value, code, result]:
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[-12345.6789, 48, "-12.3E+3"],
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[-12345.6789, 49, "-12345.6789"],
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```
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These test cases emerged from formula_stress_test.xls:
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```
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[11.666666666666666, 0, "11.66666667"],
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[5.057996968497839, 0, "5.057996968"],
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[4.380353866983808, 0, "4.380353867"],
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[12.333333333333343, 0, "12.33333333"],
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[-0.000006211546860868111, 0, "-6.21155E-06"],
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```
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Finally, these are fairly obvious:
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```
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[true, 0, "TRUE"],
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[false, 0, "FALSE"],
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[0, 0, "0"]
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]
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```
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@ -325,10 +353,12 @@ Due to a bug in Lotus 1-2-3 which was propagated by Excel and other variants,
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the year 1900 is recognized as a leap year. JS has no way of representing that
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abomination as a `Date`, so the easiest way is to store the data as a tuple.
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February 29, 1900 (date `60`) is recognized as a Wednesday.
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February 29, 1900 (date `60`) is recognized as a Wednesday. Date `0` is treated
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as January 0, 1900 rather than December 31, 1899.
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```
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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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```
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For the other dates, using the JS date mechanism suffices.
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@ -371,7 +401,7 @@ SSF.parse_date_code = parse_date_code;
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```js>tmp/number.js
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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(); };
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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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```
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@ -379,7 +409,7 @@ For parentheses, explicitly resolve the sign issue:
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```js>tmp/number.js
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if(type === '(') {
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var ffmt = fmt.replace(/\( */,"").replace(/ \)/,"").replace(/\)/,"");
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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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@ -389,7 +419,7 @@ For parentheses, explicitly resolve the sign issue:
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Percentage values should be physically shifted:
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```js>tmp/number.js
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var mul = 0;
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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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```
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@ -398,30 +428,51 @@ For exponents, get the exponent and mantissa and format them separately:
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```
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if(fmt.indexOf("E") > -1) {
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var o = val.toExponential(fmt.indexOf("E") - fmt.indexOf(".") - 1);
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var idx = fmt.indexOf("E") - fmt.indexOf(".") - 1;
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```
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For the special case of engineering notation, "shift" the decimal:
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```
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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) + "." + $3.substr(ee) + "E"; });
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} else o = val.toExponential(idx);
|
||||
if(fmt.match(/E\+00$/) && o.match(/e[+-][0-9]$/)) o = o.substr(0,o.length-1) + "0" + o[o.length-1];
|
||||
if(fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/,"e");
|
||||
return o.replace("e","E");
|
||||
}
|
||||
```
|
||||
|
||||
TODO: localize the currency:
|
||||
|
||||
```
|
||||
if(fmt[0] === "$") return "$"+write_num(type,fmt.substr(fmt[1]==' '?2:1),val);
|
||||
```
|
||||
|
||||
The default cases are hard-coded. TODO: actually parse them
|
||||
|
||||
```js>tmp/number.js
|
||||
var ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
|
||||
var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
|
||||
switch(fmt) {
|
||||
case "0": return Math.round(val);
|
||||
case "0.00": return Math.round(val*100)/100;
|
||||
case "0.0": o = Math.round(val*10);
|
||||
return String(o/10).replace(/^([^\.]+)$/,"$1.0").replace(/\.$/,".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 "#,##0.00": return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + Math.round((val-Math.floor(val))*100);
|
||||
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);
|
||||
```
|
||||
|
||||
The frac helper function is used for fraction formats (defined below).
|
||||
|
||||
```js>tmp/number.js
|
||||
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:
|
||||
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 + "|");
|
||||
};
|
||||
|
|
@ -430,7 +481,7 @@ The frac helper function is used for fraction formats (defined below).
|
|||
## Evaluating Format Strings
|
||||
|
||||
```js>tmp/main.js
|
||||
function eval_fmt(fmt, v, opts) {
|
||||
function eval_fmt(fmt, v, opts, flen) {
|
||||
var out = [], o = "", i = 0, c = "", lst='t', q = {}, dt;
|
||||
fixopts(opts = (opts || {}));
|
||||
var hr='H';
|
||||
|
|
@ -444,9 +495,17 @@ literal if they are preceded by a slash:
|
|||
|
||||
```
|
||||
case '"': /* Literal text */
|
||||
for(o="";fmt[++i] !== '"';) o += fmt[(fmt[i] === '\\' ? ++i : i)];
|
||||
out.push({t:'t', v:o}); break;
|
||||
case '\\': out.push({t:'t', v:fmt[++i]}); ++i; break;
|
||||
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;
|
||||
```
|
||||
|
||||
The underscore character represents a literal space. Apparently, it also marks
|
||||
that the next character is junk. Hence the read pointer is moved by 2:
|
||||
|
||||
```
|
||||
case '_': out.push({t:'t', v:" "}); i+=2; break;
|
||||
```
|
||||
|
||||
The '@' symbol refers to the original text. The ECMA spec is not complete, but
|
||||
|
|
@ -512,14 +571,14 @@ the HH/hh jazz. TODO: investigate this further.
|
|||
out.push(q); lst = c; break;
|
||||
```
|
||||
|
||||
Conditional and color blocks should be handled at one point (TODO). For now,
|
||||
only the absolute time `[h]` is captured (using the pseudo-type `Z`):
|
||||
Conditional and color blocks should be handled at one point (TODO). For now,
|
||||
only the absolute time `[h]` is captured (using the pseudo-type `Z`):
|
||||
|
||||
```
|
||||
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});
|
||||
if(o == "[h]") out.push({t:'Z', v:o});
|
||||
break;
|
||||
```
|
||||
|
||||
|
|
@ -542,12 +601,18 @@ number 123.456 under format `|??| / |???| |???| foo` is `|15432| / |125| | |
|
|||
q={t:c, v:o}; out.push(q); lst = c; break;
|
||||
```
|
||||
|
||||
Due to how the CSV generation works, asterisk characters are discarded. TODO:
|
||||
communicate this somehow, possibly with an option
|
||||
|
||||
```
|
||||
case '*': ++i; if(fmt[i] == ' ') ++i; break; // **
|
||||
```
|
||||
|
||||
|
||||
The open and close parens `()` also has special meaning (for negative numbers):
|
||||
|
||||
```
|
||||
|
||||
case '(': case ')': out.push({t:c,v:c}); ++i; break;
|
||||
|
||||
case '(': case ')': out.push({t:(flen===1?'t':c),v:c}); ++i; break;
|
||||
```
|
||||
|
||||
The default magic characters are listed in subsubsections 18.8.30-31 of ECMA376:
|
||||
|
|
@ -579,12 +644,12 @@ The default magic characters are listed in subsubsections 18.8.30-31 of ECMA376:
|
|||
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 == '/')) {
|
||||
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';
|
||||
out[i].t = 't';
|
||||
i = jj; break;
|
||||
default: throw "unrecognized type " + out[i].t;
|
||||
}
|
||||
|
|
@ -670,28 +735,30 @@ should be a two-digit year, but `ee` in excel is actually the four-digit year:
|
|||
};
|
||||
```
|
||||
|
||||
Based on the value, `choose_fmt` picks the right format string:
|
||||
Based on the value, `choose_fmt` picks the right format string. If formats have
|
||||
explicit negative specifications, those values should be passed as positive:
|
||||
|
||||
```js>tmp/main.js
|
||||
function choose_fmt(fmt, v) {
|
||||
function choose_fmt(fmt, v, o) {
|
||||
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;
|
||||
case 4: break;
|
||||
default: throw "cannot find right format for |" + fmt + "|";
|
||||
}
|
||||
if(typeof v !== "number") return fmt[3];
|
||||
return v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
|
||||
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);
|
||||
if(typeof fmt === 'number') fmt = table_fmt[fmt];
|
||||
fmt = table_fmt[fmt];
|
||||
var f = choose_fmt(fmt, v, o);
|
||||
return eval_fmt(f, v, o);
|
||||
return eval_fmt(f[1], v, o, f[0]);
|
||||
};
|
||||
|
||||
```
|
||||
|
|
@ -739,7 +806,7 @@ var frac = function(x, D, mixed) {
|
|||
```js>tmp/00_header.js
|
||||
/* ssf.js (C) 2013 SheetJS -- http://sheetjs.com */
|
||||
var SSF = {};
|
||||
(function(SSF){
|
||||
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); }
|
||||
|
|
@ -747,11 +814,13 @@ function pad(v,d){var t=String(v);return t.length>=d?t:(fill(0,d-t.length)+t);}
|
|||
```
|
||||
|
||||
```js>tmp/zz_footer_n.js
|
||||
})(typeof exports !== 'undefined' ? exports : SSF);
|
||||
};
|
||||
make_ssf(typeof exports !== 'undefined' ? exports : SSF);
|
||||
```
|
||||
|
||||
```js>tmp/zz_footer.js
|
||||
})(SSF);
|
||||
};
|
||||
make_ssf(SSF);
|
||||
```
|
||||
|
||||
## .vocrc and post-commands
|
||||
|
|
@ -788,7 +857,7 @@ test:
|
|||
```json>package.json
|
||||
{
|
||||
"name": "ssf",
|
||||
"version": "0.2.3",
|
||||
"version": "0.3.0",
|
||||
"author": "SheetJS",
|
||||
"description": "pure-JS library to format data using ECMA-376 spreadsheet Format Codes",
|
||||
"keywords": [ "format", "sprintf", "spreadsheet" ],
|
||||
|
|
@ -830,7 +899,7 @@ The mocha test driver tests the implied formats:
|
|||
var SSF = require('../');
|
||||
var fs = require('fs'), assert = require('assert');
|
||||
var data = JSON.parse(fs.readFileSync('./test/implied.json','utf8'));
|
||||
var skip = [48];
|
||||
var skip = [];
|
||||
describe('implied formats', function() {
|
||||
data.forEach(function(d) {
|
||||
it(d[1]+" for "+d[0], skip.indexOf(d[1]) > -1 ? null : function(){
|
||||
|
|
|
|||
84
ssf_node.js
84
ssf_node.js
|
|
@ -1,6 +1,6 @@
|
|||
/* ssf.js (C) 2013 SheetJS -- http://sheetjs.com */
|
||||
var SSF = {};
|
||||
(function(SSF){
|
||||
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); }
|
||||
|
|
@ -22,7 +22,7 @@ var table_fmt = {
|
|||
11: '0.00E+00',
|
||||
12: '# ?/?',
|
||||
13: '# ??/??',
|
||||
14: 'mm/dd/yy',
|
||||
14: 'm/d/yy',
|
||||
15: 'd-mmm-yy',
|
||||
16: 'd-mmm',
|
||||
17: 'mmm-yy',
|
||||
|
|
@ -86,10 +86,18 @@ var frac = function(x, D, mixed) {
|
|||
var general_fmt = function(v) {
|
||||
if(typeof v === 'boolean') return v ? "TRUE" : "FALSE";
|
||||
if(typeof v === 'number') {
|
||||
return v.toPrecision(10).replace(/\.0*$/,"").replace(/\.(.*[^0])0*$/,".$1");
|
||||
var o, V = v < 0 ? -v : v;
|
||||
if(V >= 0.1 && V < 1) o = v.toPrecision(9);
|
||||
else if(V >= 0.01 && V < 0.1) o = v.toPrecision(8);
|
||||
else if(V >= 0.001 && V < 0.01) o = v.toPrecision(7);
|
||||
else if(V > Math.pow(10,-9) && V < Math.pow(10,10)) {
|
||||
o = v.toPrecision(10); if(o.length > 11+(v<0?1:0)) o = v.toExponential(5);
|
||||
}
|
||||
else o = v.toPrecision(6);
|
||||
return o.replace("e","E").replace(/\.0*$/,"").replace(/\.(.*[^0])0*$/,".$1").replace(/(E[+-])([0-9])$/,"$1"+"0"+"$2");
|
||||
}
|
||||
if(typeof v === 'string') return v;
|
||||
throw "unsupport value in General format: " + v;
|
||||
throw "unsupported value in General format: " + v;
|
||||
};
|
||||
SSF._general = general_fmt;
|
||||
var parse_date_code = function parse_date_code(v,opts) {
|
||||
|
|
@ -97,6 +105,7 @@ var parse_date_code = function parse_date_code(v,opts) {
|
|||
var dout=[], out={D:date, T:time, u:86400*(v-date)-time}; fixopts(opts = (opts||{}));
|
||||
if(opts.date1904) date += 1462;
|
||||
if(date === 60) {dout = [1900,2,29]; dow=3;}
|
||||
else if(date === 0) {dout = [1900,1,0]; dow=6;}
|
||||
else {
|
||||
if(date > 60) --date;
|
||||
/* 1 = Jan 1 1900 */
|
||||
|
|
@ -168,31 +177,42 @@ var write_date = function(type, fmt, val) {
|
|||
}
|
||||
};
|
||||
String.prototype.reverse = function() { return this.split("").reverse().join(""); };
|
||||
var commaify = function(s) { return s.reverse().replace(/.../g,"$&,").reverse(); };
|
||||
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(/\)/,"");
|
||||
var ffmt = fmt.replace(/\( */,"").replace(/ \)/,"").replace(/\)/,"");
|
||||
if(val >= 0) return write_num('n', ffmt, val);
|
||||
return '(' + write_num('n', ffmt, -val) + ')';
|
||||
}
|
||||
var mul = 0;
|
||||
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 o = val.toExponential(fmt.indexOf("E") - fmt.indexOf(".") - 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]$/)) o = o.substr(0,o.length-1) + "0" + o[o.length-1];
|
||||
if(fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/,"e");
|
||||
return o.replace("e","E");
|
||||
}
|
||||
var ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
|
||||
if(fmt[0] === "$") return "$"+write_num(type,fmt.substr(fmt[1]==' '?2:1),val);
|
||||
var r, ff, aval = val < 0 ? -val : val, sign = val < 0 ? "-" : "";
|
||||
switch(fmt) {
|
||||
case "0": return Math.round(val);
|
||||
case "0.00": return Math.round(val*100)/100;
|
||||
case "0.0": o = Math.round(val*10);
|
||||
return String(o/10).replace(/^([^\.]+)$/,"$1.0").replace(/\.$/,".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 "#,##0.00": return val < 0 ? "-" + write_num(type, fmt, -val) : commaify(String(Math.floor(val))) + "." + Math.round((val-Math.floor(val))*100);
|
||||
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:
|
||||
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 + "|");
|
||||
};
|
||||
|
|
@ -212,7 +232,7 @@ function split_fmt(fmt) {
|
|||
return out;
|
||||
}
|
||||
SSF._split = split_fmt;
|
||||
function eval_fmt(fmt, v, opts) {
|
||||
function eval_fmt(fmt, v, opts, flen) {
|
||||
var out = [], o = "", i = 0, c = "", lst='t', q = {}, dt;
|
||||
fixopts(opts = (opts || {}));
|
||||
var hr='H';
|
||||
|
|
@ -220,9 +240,11 @@ function eval_fmt(fmt, v, opts) {
|
|||
while(i < fmt.length) {
|
||||
switch((c = fmt[i])) {
|
||||
case '"': /* Literal text */
|
||||
for(o="";fmt[++i] !== '"';) o += fmt[(fmt[i] === '\\' ? ++i : i)];
|
||||
out.push({t:'t', v:o}); break;
|
||||
case '\\': out.push({t:'t', v:fmt[++i]}); ++i; break;
|
||||
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 */
|
||||
|
|
@ -244,7 +266,7 @@ function eval_fmt(fmt, v, opts) {
|
|||
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});
|
||||
if(o == "[h]") out.push({t:'Z', v:o});
|
||||
break;
|
||||
/* Numbers */
|
||||
case '0': case '#':
|
||||
|
|
@ -253,8 +275,8 @@ function eval_fmt(fmt, v, opts) {
|
|||
case '?':
|
||||
o = fmt[i]; while(fmt[++i] === c) o+=c;
|
||||
q={t:c, v:o}; out.push(q); lst = c; break;
|
||||
|
||||
case '(': case ')': out.push({t:c,v:c}); ++i; 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;
|
||||
default:
|
||||
if("$-+/():!^&'~{}<>=".indexOf(c) === -1)
|
||||
|
|
@ -281,12 +303,12 @@ function eval_fmt(fmt, v, opts) {
|
|||
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 == '/')) {
|
||||
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';
|
||||
out[i].t = 't';
|
||||
i = jj; break;
|
||||
default: throw "unrecognized type " + out[i].t;
|
||||
}
|
||||
|
|
@ -295,29 +317,31 @@ function eval_fmt(fmt, v, opts) {
|
|||
return out.map(function(x){return x.v;}).join("");
|
||||
}
|
||||
SSF._eval = eval_fmt;
|
||||
function choose_fmt(fmt, v) {
|
||||
function choose_fmt(fmt, v, o) {
|
||||
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;
|
||||
case 4: break;
|
||||
default: throw "cannot find right format for |" + fmt + "|";
|
||||
}
|
||||
if(typeof v !== "number") return fmt[3];
|
||||
return v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
|
||||
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);
|
||||
if(typeof fmt === 'number') fmt = table_fmt[fmt];
|
||||
fmt = table_fmt[fmt];
|
||||
var f = choose_fmt(fmt, v, o);
|
||||
return eval_fmt(f, v, o);
|
||||
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;
|
||||
})(typeof exports !== 'undefined' ? exports : SSF);
|
||||
};
|
||||
make_ssf(typeof exports !== 'undefined' ? exports : SSF);
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@
|
|||
var SSF = require('../');
|
||||
var fs = require('fs'), assert = require('assert');
|
||||
var data = JSON.parse(fs.readFileSync('./test/implied.json','utf8'));
|
||||
var skip = [48];
|
||||
var skip = [];
|
||||
describe('implied formats', function() {
|
||||
data.forEach(function(d) {
|
||||
it(d[1]+" for "+d[0], skip.indexOf(d[1]) > -1 ? null : function(){
|
||||
|
|
|
|||
|
|
@ -56,6 +56,12 @@
|
|||
[-12345.6789, 47, ""],
|
||||
[-12345.6789, 48, "-12.3E+3"],
|
||||
[-12345.6789, 49, "-12345.6789"],
|
||||
|
||||
[11.666666666666666, 0, "11.66666667"],
|
||||
[5.057996968497839, 0, "5.057996968"],
|
||||
[4.380353866983808, 0, "4.380353867"],
|
||||
[12.333333333333343, 0, "12.33333333"],
|
||||
[-0.000006211546860868111, 0, "-6.21155E-06"],
|
||||
[true, 0, "TRUE"],
|
||||
[false, 0, "FALSE"],
|
||||
[0, 0, "0"]
|
||||
]
|
||||
|
|
|
|||
Loading…
Reference in New Issue