forked from sheetjs/sheetjs
version bump 0.6.0: proper time rounding
based on the actual time format, date codes are properly rounded. All time tests pass :)
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c428205723
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70ec8b0769
@ -1,6 +1,6 @@
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{
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"name": "ssf",
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"version": "0.5.12",
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"version": "0.6.0",
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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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46
ssf.js
46
ssf.js
@ -5,7 +5,7 @@ var _strrev = function(x) { return String(x).split("").reverse().join("");};
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function fill(c,l) { return new Array(l+1).join(c); }
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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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SSF.version = '0.5.12';
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SSF.version = '0.6.0';
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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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@ -122,7 +122,7 @@ var parse_date_code = function parse_date_code(v,opts) {
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if(date > 2958465) return null;
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if(out.u > .999) {
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out.u = 0;
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++time;
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if(++time == 86400) { time = 0; ++date; }
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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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@ -146,7 +146,7 @@ SSF.parse_date_code = parse_date_code;
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/*jshint -W086 */
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var write_date = function(type, fmt, val) {
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if(val < 0) return "";
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var o;
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var o, ss;
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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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@ -181,11 +181,11 @@ var write_date = function(type, fmt, val) {
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default: throw 'bad minute format: ' + fmt;
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}
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case 's': switch(fmt) { /* seconds */
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case 's': return Math.round(val.S+val.u);
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case 'ss': return pad(Math.round(val.S+val.u), 2);
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case 'ss.0': o = pad(Math.round(10*(val.S+val.u)),3); return o.substr(0,2)+"." + o.substr(2);
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case 'ss.00': o = pad(Math.round(100*(val.S+val.u)),4); return o.substr(0,2)+"." + o.substr(2);
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case 'ss.000': o = pad(Math.round(1000*(val.S+val.u)),5); return o.substr(0,2)+"." + o.substr(2);
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case 's': ss=Math.round(val.S+val.u); return ss >= 60 ? 0 : ss;
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case 'ss': ss=Math.round(val.S+val.u); if(ss>=60) ss=0; return pad(ss,2);
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case 'ss.0': ss=Math.round(10*(val.S+val.u)); if(ss>=600) ss = 0; o = pad(ss,3); return o.substr(0,2)+"." + o.substr(2);
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case 'ss.00': ss=Math.round(100*(val.S+val.u)); if(ss>=6000) ss = 0; o = pad(ss,4); return o.substr(0,2)+"." + o.substr(2);
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case 'ss.000': ss=Math.round(1000*(val.S+val.u)); if(ss>=60000) ss = 0; o = pad(ss,5); return o.substr(0,2)+"." + o.substr(2);
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default: throw 'bad second format: ' + fmt;
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}
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case 'Z': switch(fmt) {
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@ -362,22 +362,38 @@ function eval_fmt(fmt, v, opts, flen) {
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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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var bt = 0;
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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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case 'h': case 'H': out[i].t = hr; lst='h'; break;
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case 'd': case 'y': case 's': case 'M': case 'e': lst=out[i].t; break;
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case 'm': if(lst === 's') out[i].t = 'M'; break;
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case 'h': case 'H': out[i].t = hr; lst='h'; if(bt < 1) bt = 1; break;
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case 's': if(bt < 3) bt = 3;
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/* falls through */
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case 'd': case 'y': case 'M': case 'e': lst=out[i].t; break;
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case 'm': if(lst === 's') { out[i].t = 'M'; if(bt < 2) bt = 2; } break;
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case 'Z':
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if(bt < 1 && out[i].v.match(/[Hh]/)) bt = 1;
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if(bt < 2 && out[i].v.match(/[Mm]/)) bt = 2;
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if(bt < 3 && out[i].v.match(/[Ss]/)) bt = 3;
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}
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}
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switch(bt) {
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case 0: break;
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case 1:
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if(dt.u >= .5) { dt.u = 0; ++dt.S; }
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if(dt.S >= 60) { dt.S = 0; ++dt.M; }
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if(dt.M >= 60) { dt.M = 0; ++dt.H; }
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break;
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case 2:
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if(dt.u >= .5) { dt.u = 0; ++dt.S; }
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if(dt.S >= 60) { dt.S = 0; ++dt.M; }
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break;
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}
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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': case ' ': case 'D': break;
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case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': 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].v = write_date(out[i].t, out[i].v, dt, bt);
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out[i].t = 't'; break;
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case 'n': case '(': case '?':
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var jj = i+1;
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62
ssf.md
62
ssf.md
@ -298,7 +298,7 @@ Due to floating point issues, correct for subseconds:
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```
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if(out.u > .999) {
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out.u = 0;
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++time;
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if(++time == 86400) { time = 0; ++date; }
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}
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```
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@ -678,21 +678,55 @@ The default magic characters are listed in subsubsections 18.8.30-31 of ECMA376:
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}
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}
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/* walk backwards */
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```
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In order to identify cases like `MMSS`, where the fact that this is a minute
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appears after the minute itself, scan backwards. At the same time, we can
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identify the smallest time unit (0 = no time, 1 = hour, 2 = minute, 3 = second):
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```
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var bt = 0;
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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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case 'h': case 'H': out[i].t = hr; lst='h'; break;
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case 'd': case 'y': case 's': case 'M': case 'e': lst=out[i].t; break;
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case 'm': if(lst === 's') out[i].t = 'M'; break;
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case 'h': case 'H': out[i].t = hr; lst='h'; if(bt < 1) bt = 1; break;
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case 's': if(bt < 3) bt = 3;
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/* falls through */
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case 'd': case 'y': case 'M': case 'e': lst=out[i].t; break;
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case 'm': if(lst === 's') { out[i].t = 'M'; if(bt < 2) bt = 2; } break;
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case 'Z':
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if(bt < 1 && out[i].v.match(/[Hh]/)) bt = 1;
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if(bt < 2 && out[i].v.match(/[Mm]/)) bt = 2;
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if(bt < 3 && out[i].v.match(/[Ss]/)) bt = 3;
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}
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}
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```
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Having determined the smallest time unit, round appropriately:
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```
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switch(bt) {
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case 0: break;
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case 1:
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if(dt.u >= .5) { dt.u = 0; ++dt.S; }
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if(dt.S >= 60) { dt.S = 0; ++dt.M; }
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if(dt.M >= 60) { dt.M = 0; ++dt.H; }
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break;
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case 2:
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if(dt.u >= .5) { dt.u = 0; ++dt.S; }
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if(dt.S >= 60) { dt.S = 0; ++dt.M; }
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break;
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}
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```
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Finally, actually write the numbers:
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```
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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': case ' ': case 'D': break;
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case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': 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].v = write_date(out[i].t, out[i].v, dt, bt);
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out[i].t = 't'; break;
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case 'n': case '(': case '?':
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var jj = i+1;
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@ -734,7 +768,7 @@ display minutes instead of the month.
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/*jshint -W086 */
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var write_date = function(type, fmt, val) {
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if(val < 0) return "";
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var o;
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var o, ss;
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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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@ -784,11 +818,11 @@ Strangely enough, `dddddddddddddddddddd` is treated as the full day name:
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default: throw 'bad minute format: ' + fmt;
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}
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case 's': switch(fmt) { /* seconds */
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case 's': return Math.round(val.S+val.u);
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case 'ss': return pad(Math.round(val.S+val.u), 2);
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case 'ss.0': o = pad(Math.round(10*(val.S+val.u)),3); return o.substr(0,2)+"." + o.substr(2);
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case 'ss.00': o = pad(Math.round(100*(val.S+val.u)),4); return o.substr(0,2)+"." + o.substr(2);
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case 'ss.000': o = pad(Math.round(1000*(val.S+val.u)),5); return o.substr(0,2)+"." + o.substr(2);
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case 's': ss=Math.round(val.S+val.u); return ss >= 60 ? 0 : ss;
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case 'ss': ss=Math.round(val.S+val.u); if(ss>=60) ss=0; return pad(ss,2);
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case 'ss.0': ss=Math.round(10*(val.S+val.u)); if(ss>=600) ss = 0; o = pad(ss,3); return o.substr(0,2)+"." + o.substr(2);
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case 'ss.00': ss=Math.round(100*(val.S+val.u)); if(ss>=6000) ss = 0; o = pad(ss,4); return o.substr(0,2)+"." + o.substr(2);
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case 'ss.000': ss=Math.round(1000*(val.S+val.u)); if(ss>=60000) ss = 0; o = pad(ss,5); return o.substr(0,2)+"." + o.substr(2);
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default: throw 'bad second format: ' + fmt;
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}
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```
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@ -1023,7 +1057,7 @@ coveralls:
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```json>package.json
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{
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"name": "ssf",
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"version": "0.5.12",
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"version": "0.6.0",
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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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@ -1159,7 +1193,7 @@ function doit(data) {
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}
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});
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}
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describe('time formats', function() { doit(times.slice(0,1000)); });
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describe('time formats', function() { doit(process.env.MINTEST ? times.slice(0,4000) : times); });
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describe('date formats', function() {
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doit(process.env.MINTEST ? dates.slice(0,1000) : dates);
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it('should fail for bad formats', function() {
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@ -21,7 +21,7 @@ function doit(data) {
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}
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});
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}
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describe('time formats', function() { doit(times.slice(0,1000)); });
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describe('time formats', function() { doit(process.env.MINTEST ? times.slice(0,4000) : times); });
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describe('date formats', function() {
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doit(process.env.MINTEST ? dates.slice(0,1000) : dates);
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it('should fail for bad formats', function() {
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