forked from sheetjs/sheetjs
43 lines
1.7 KiB
JavaScript
43 lines
1.7 KiB
JavaScript
function general_fmt_int(v/*:number*/, opts/*:?any*/)/*:string*/ { return ""+v; }
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SSF._general_int = general_fmt_int;
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var general_fmt_num = (function make_general_fmt_num() {
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var gnr1 = /\.(\d*[1-9])0+$/, gnr2 = /\.0*$/, gnr4 = /\.(\d*[1-9])0+/, gnr5 = /\.0*[Ee]/, gnr6 = /(E[+-])(\d)$/;
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function gfn2(v) {
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var w = (v<0?12:11);
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var o = gfn5(v.toFixed(12)); if(o.length <= w) return o;
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o = v.toPrecision(10); if(o.length <= w) return o;
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return v.toExponential(5);
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}
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function gfn3(v) {
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var o = v.toFixed(11).replace(gnr1,".$1");
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if(o.length > (v<0?12:11)) o = v.toPrecision(6);
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return o;
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}
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function gfn4(o) {
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for(var i = 0; i != o.length; ++i) if((o.charCodeAt(i) | 0x20) === 101) return o.replace(gnr4,".$1").replace(gnr5,"E").replace("e","E").replace(gnr6,"$10$2");
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return o;
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}
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function gfn5(o) {
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//for(var i = 0; i != o.length; ++i) if(o.charCodeAt(i) === 46) return o.replace(gnr2,"").replace(gnr1,".$1");
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//return o;
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return o.indexOf(".") > -1 ? o.replace(gnr2,"").replace(gnr1,".$1") : o;
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}
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return function general_fmt_num(v/*:number*/, opts/*:?any*/)/*:string*/ {
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var V = Math.floor(Math.log(Math.abs(v))*Math.LOG10E), o;
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if(V >= -4 && V <= -1) o = v.toPrecision(10+V);
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else if(Math.abs(V) <= 9) o = gfn2(v);
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else if(V === 10) o = v.toFixed(10).substr(0,12);
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else o = gfn3(v);
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return gfn5(gfn4(o));
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};})();
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SSF._general_num = general_fmt_num;
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function general_fmt(v/*:any*/, opts/*:?any*/) {
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switch(typeof v) {
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case 'string': return v;
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case 'boolean': return v ? "TRUE" : "FALSE";
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case 'number': return (v|0) === v ? general_fmt_int(v, opts) : general_fmt_num(v, opts);
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}
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throw new Error("unsupported value in General format: " + v);
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}
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SSF._general = general_fmt;
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