deepak-negi-web/sheetjs
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version bump 0.7.1: performance

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- eliminated functional constructs
- simplified fraction handling
- better linting w/jscs
This commit is contained in:
SheetJS 2014-06-04 20:14:59 -04:00
parent 4183a44351
commit 9f4aa161e6
6 changed files with 66 additions and 20 deletions
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6
.jscs.json Normal file
View File

@ -0,0 +1,6 @@
{
"requireCommaBeforeLineBreak": true,
"disallowTrailingWhitespace": true,
"disallowTrailingComma": true
}

1
Makefile
View File

@ -11,6 +11,7 @@ test_min:
.PHONY: lint
lint:
jshint ssf.js test/
jscs ssf.js
.PHONY: cov
cov: tmp/coverage.html

2
package.json
View File

@ -1,6 +1,6 @@
{
"name": "ssf",
"version": "0.7.0",
"version": "0.7.1",
"author": "SheetJS",
"description": "pure-JS library to format data using ECMA-376 spreadsheet Format Codes",
"keywords": [ "format", "sprintf", "spreadsheet" ],

35
ssf.js
View File

@ -5,7 +5,7 @@ var _strrev = function(x) { return String(x).split("").reverse().join("");};
function fill(c,l) { return new Array(l+1).join(c); }
function pad(v,d,c){var t=String(v);return t.length>=d?t:(fill(c||0,d-t.length)+t);}
function rpad(v,d,c){var t=String(v);return t.length>=d?t:(t+fill(c||0,d-t.length));}
SSF.version = '0.7.0';
SSF.version = '0.7.1';
/* Options */
var opts_fmt = {
date1904:0,
@ -252,7 +252,10 @@ var write_num = function(type, fmt, val) {
}
if(fmt.match(/^#+0+$/)) fmt = fmt.replace(/#/g,"");
if(fmt.match(/^00+$/)) return (val<0?"-":"")+pad(Math.round(aval),fmt.length);
if(fmt.match(/^[#?]+$/)) return String(Math.round(val)).replace(/^0$/,"");
if(fmt.match(/^[#?]+$/)) {
o = String(Math.round(val)).replace(/^0$/,"");
return o.length > fmt.length ? o : fmt.substr(0,fmt.length-o.length).replace(/#/g,"").replace(/[?]/g," ") + o;
}
if((r = fmt.match(/^#*0*\.(0+)/))) {
o = Math.round(val * Math.pow(10,r[1].length));
rr = String(o/Math.pow(10,r[1].length)).replace(/^([^\.]+)$/,"$1."+r[1]).replace(/\.$/,"."+r[1]).replace(/\.([0-9]*)$/,function($$, $1) { return "." + $1 + fill("0", r[1].length-$1.length); });
@ -278,20 +281,32 @@ var write_num = function(type, fmt, val) {
ff = write_num(type, "##########", val);
return "(" + ff.substr(0,3) + ") " + ff.substr(3, 3) + "-" + ff.substr(6);
}
if((r = fmt.match(/^([?]+)([ ]?)\/([ ]?)([?]+)/))) {
rr = Math.min(Math.max(r[1].length, r[4].length),7);
var oa = "";
if((r = fmt.match(/^([#0?]+)([ ]?)\/([ ]?)([#0?]+)/))) {
o="";
rr = Math.min(r[4].length,7);
ff = frac(aval, Math.pow(10,rr)-1, false);
return sign + (ff[0]||(ff[1] ? "" : "0")) + (ff[1] ? pad(ff[1],rr," ") + r[2] + "/" + r[3] + rpad(ff[2],rr," "): fill(" ", 2*rr+1 + r[2].length + r[3].length));
o += sign;
oa = write_num("n", r[1], ff[1]);
if(oa[oa.length-1] == " ") oa = oa.substr(0,oa.length-1) + "0";
o += oa;
o += r[2];
o += "/";
o += r[3];
oa = rpad(ff[2],rr," ");
if(oa.length < r[4].length) oa = r[4].substr(r[4].length-oa.length).replace(/[?]/g," ").replace(/#/g,"") + oa;
o += oa;
return o;
}
if((r = fmt.match(/^# ([?]+)([ ]?)\/([ ]?)([?]+)/))) {
if((r = fmt.match(/^# ([#0?]+)([ ]?)\/([ ]?)([#0?]+)/))) {
rr = Math.min(Math.max(r[1].length, r[4].length),7);
ff = frac(aval, Math.pow(10,rr)-1, true);
return sign + (ff[0]||(ff[1] ? "" : "0")) + " " + (ff[1] ? pad(ff[1],rr," ") + r[2] + "/" + r[3] + rpad(ff[2],rr," "): fill(" ", 2*rr+1 + r[2].length + r[3].length));
}
if((r = fmt.match(/^[#0]+$/))) {
if((r = fmt.match(/^[#0?]+$/))) {
o = "" + Math.round(val);
if(fmt.length <= o.length) return o;
return fmt.substr(0,fmt.length - o.length).replace(/#/g,"") + o;
return fmt.substr(0,fmt.length-o.length).replace(/#/g,"").replace(/\?/g," ") + o;
}
if((r = fmt.match(/^([#0]+)\.([#0]+)$/))) {
o = "" + val.toFixed(Math.min(r[2].length,10)).replace(/([^0])0+$/,"$1");
@ -507,7 +522,9 @@ function eval_fmt(fmt, v, opts, flen) {
out[i].v = write_num(out[i].t, out[i].v, (flen >1 && v < 0 && i>0 && out[i-1].v == "-" ? -v:v));
out[i].t = 't';
}
return out.map(function(x){return x.v;}).join("");
var retval = "";
for(i=0; i != out.length; ++i) if(out[i]) retval += out[i].v;
return retval;
}
SSF._eval = eval_fmt;
function choose_fmt(fmt, v, o) {

38
ssf.md
View File

@ -452,7 +452,10 @@ A few special general cases can be handled in a very dumb manner:
```
if(fmt.match(/^#+0+$/)) fmt = fmt.replace(/#/g,"");
if(fmt.match(/^00+$/)) return (val<0?"-":"")+pad(Math.round(aval),fmt.length);
if(fmt.match(/^[#?]+$/)) return String(Math.round(val)).replace(/^0$/,"");
if(fmt.match(/^[#?]+$/)) {
o = String(Math.round(val)).replace(/^0$/,"");
return o.length > fmt.length ? o : fmt.substr(0,fmt.length-o.length).replace(/#/g,"").replace(/[?]/g," ") + o;
}
if((r = fmt.match(/^#*0*\.(0+)/))) {
o = Math.round(val * Math.pow(10,r[1].length));
rr = String(o/Math.pow(10,r[1].length)).replace(/^([^\.]+)$/,"$1."+r[1]).replace(/\.$/,"."+r[1]).replace(/\.([0-9]*)$/,function($$, $1) { return "." + $1 + fill("0", r[1].length-$1.length); });
@ -499,25 +502,37 @@ of first drawing the digits, but this selection allows for more nuance:
The frac helper function is used for fraction formats (defined below).
```
if((r = fmt.match(/^([?]+)([ ]?)\/([ ]?)([?]+)/))) {
rr = Math.min(Math.max(r[1].length, r[4].length),7);
var oa = "";
if((r = fmt.match(/^([#0?]+)([ ]?)\/([ ]?)([#0?]+)/))) {
o="";
rr = Math.min(r[4].length,7);
ff = frac(aval, Math.pow(10,rr)-1, false);
return sign + (ff[0]||(ff[1] ? "" : "0")) + (ff[1] ? pad(ff[1],rr," ") + r[2] + "/" + r[3] + rpad(ff[2],rr," "): fill(" ", 2*rr+1 + r[2].length + r[3].length));
o += sign;
oa = write_num("n", r[1], ff[1]);
if(oa[oa.length-1] == " ") oa = oa.substr(0,oa.length-1) + "0";
o += oa;
o += r[2];
o += "/";
o += r[3];
oa = rpad(ff[2],rr," ");
if(oa.length < r[4].length) oa = r[4].substr(r[4].length-oa.length).replace(/[?]/g," ").replace(/#/g,"") + oa;
o += oa;
return o;
}
if((r = fmt.match(/^# ([?]+)([ ]?)\/([ ]?)([?]+)/))) {
if((r = fmt.match(/^# ([#0?]+)([ ]?)\/([ ]?)([#0?]+)/))) {
rr = Math.min(Math.max(r[1].length, r[4].length),7);
ff = frac(aval, Math.pow(10,rr)-1, true);
return sign + (ff[0]||(ff[1] ? "" : "0")) + " " + (ff[1] ? pad(ff[1],rr," ") + r[2] + "/" + r[3] + rpad(ff[2],rr," "): fill(" ", 2*rr+1 + r[2].length + r[3].length));
}
```
The general class `/^[#0]+$/` treats the unconsumed '0' as literal, '#' as noop:
The general class `/^[#0?]+$/` treats the '0' as literal, '#' as noop, '?' as space:
```
if((r = fmt.match(/^[#0]+$/))) {
if((r = fmt.match(/^[#0?]+$/))) {
o = "" + Math.round(val);
if(fmt.length <= o.length) return o;
return fmt.substr(0,fmt.length - o.length).replace(/#/g,"") + o;
return fmt.substr(0,fmt.length-o.length).replace(/#/g,"").replace(/\?/g," ") + o;
}
if((r = fmt.match(/^([#0]+)\.([#0]+)$/))) {
o = "" + val.toFixed(Math.min(r[2].length,10)).replace(/([^0])0+$/,"$1");
@ -896,7 +911,9 @@ positive when there is an explicit hyphen before it (e.g. `#,##0.0;-#,##0.0`):
Now we just need to combine the elements
```
return out.map(function(x){return x.v;}).join("");
var retval = "";
for(i=0; i != out.length; ++i) if(out[i]) retval += out[i].v;
return retval;
}
SSF._eval = eval_fmt;
```
@ -1212,6 +1229,7 @@ test_min:
.PHONY: lint
lint:
jshint ssf.js test/
jscs ssf.js
```
Coverage tests use [blanket](http://npm.im/blanket):
@ -1245,7 +1263,7 @@ coveralls:
```json>package.json
{
"name": "ssf",
"version": "0.7.0",
"version": "0.7.1",
"author": "SheetJS",
"description": "pure-JS library to format data using ECMA-376 spreadsheet Format Codes",
"keywords": [ "format", "sprintf", "spreadsheet" ],

4
test/oddities.json
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@ -118,6 +118,10 @@
["000-00-0000", [123456789, "123-45-6789"]],
["00000\\-0000", [941051630, "94105-1630"]],
["000\\-00\\-0000", [123456789, "123-45-6789"]],
["??/??", [12.3456789, "1000/81"], [0.00001, " 0/1 "]],
["# ??/??", [12.3456789, "12 28/81"]],
["#??/??", [12.3456789, "1000/81"]],
["#0#00??/??", [12.3456789, "01000/81"]],
["[<=9999999]###-####;(###) ###-####", [8675309, "867-5309"],[2813308004, "(281) 330-8004"]],
["[<=9999999]###\\-####;(###) ###\\-####", [8675309, "867-5309"],[2813308004, "(281) 330-8004"]],
["[Red][<-25]General;[Blue][>25]General;[Green]General;[Yellow]General", [50, "50"],[26, "26"],[25,"25"],[1,"1"],[0,"0"],[-1,"-1"],[-25,"-25"],[-26,"26","#"],[-50,"50","#"], ["foo","foo"],["bar","bar"]],