221 lines
6.3 KiB
JavaScript
221 lines
6.3 KiB
JavaScript
/* Spreadsheet Format -- jump to XLSX for the XLSX code */
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var SSF = (function() {
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var 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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/* Options */
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var opts_fmt = {};
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function fixopts(o){for(y in opts_fmt) if(o[y]===undefined) o[y]=opts_fmt[y];}
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SSF.opts = opts_fmt;
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opts_fmt.date1904 = 0;
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opts_fmt.output = ""
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opts_fmt.mode = "";
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var table_fmt = {
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1: '0',
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2: '0.00',
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3: '#,##0',
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4: '#,##0.00',
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9: '0%',
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10: '0.00%',
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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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15: 'd-mmm-yy',
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16: 'd-mmm',
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17: 'mmm-yy',
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18: 'h:mm AM/PM',
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19: 'h:mm:ss AM/PM',
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20: 'h:mm',
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21: 'h:mm:ss',
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22: 'm/d/yy h:mm',
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37: '#,##0 ;(#,##0)',
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38: '#,##0 ;[Red](#,##0)',
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39: '#,##0.00;(#,##0.00)',
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40: '#,##0.00;[Red](#,##0.00)',
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45: 'mm:ss',
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46: '[h]:mm:ss',
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47: 'mmss.0',
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48: '##0.0E+0',
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49: '@'
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};
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var days = [
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['Sun', 'Sunday'],
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['Mon', 'Monday'],
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['Tue', 'Tuesday'],
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['Wed', 'Wednesday'],
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['Thu', 'Thursday'],
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['Fri', 'Friday'],
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['Sat', 'Saturday']
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];
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var months = [
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['J', 'Jan', 'January'],
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['F', 'Feb', 'February'],
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['M', 'Mar', 'March'],
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['A', 'Apr', 'April'],
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['M', 'May', 'May'],
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['J', 'Jun', 'June'],
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['J', 'Jul', 'July'],
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['A', 'Aug', 'August'],
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['S', 'Sep', 'September'],
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['O', 'Oct', 'October'],
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['N', 'Nov', 'November'],
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['D', 'Dec', 'December'],
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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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}
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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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if(opts.date1904) date += 1462;
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if(date === 60) dout = [1900,2,29], dow=3;
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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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var d = new Date(1900,0,1);
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d.setDate(d.getDate() + date - 1);
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dout = [d.getFullYear(), d.getMonth()+1,d.getDate()];
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dow = d.getDay();
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if(opts.mode === 'excel' && date < 60) dow = (dow + 6) % 7;
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}
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out.y = dout[0], out.m = dout[1], out.d = dout[2];
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out.S = time % 60; time = Math.floor(time / 60);
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out.M = time % 60; time = Math.floor(time / 60);
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out.H = time;
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out.q = dow;
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return out;
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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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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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default: return val.y;
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}; break;
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case 'm': switch(fmt) { /* month */
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case 'm': return val.m;
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case 'mm': return pad(val.m,2);
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case 'mmm': return months[val.m-1][1];
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case 'mmmm': return months[val.m-1][2];
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case 'mmmmm': return months[val.m-1][0];
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default: throw 'bad month format: ' + fmt;
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}; break;
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case 'd': switch(fmt) { /* day */
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case 'd': return val.d;
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case 'dd': return pad(val.d,2);
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case 'ddd': return days[val.q][0];
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case 'dddd': return days[val.q][1];
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default: throw 'bad day format: ' + fmt;
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}; break;
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case 'h': switch(fmt) { /* 12-hour */
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case 'h': return 1+(val.H+11)%12;
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case 'hh': return pad(1+(val.H+11)%12, 2);
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default: throw 'bad hour format: ' + fmt;
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}; break;
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case 'H': switch(fmt) { /* 24-hour */
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case 'h': return val.H;
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case 'hh': return pad(val.H, 2);
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default: throw 'bad hour format: ' + fmt;
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}; break;
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case 'M': switch(fmt) { /* minutes */
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case 'm': return val.M;
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case 'mm': return pad(val.M, 2);
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default: throw 'bad minute format: ' + fmt;
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}; break;
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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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default: throw 'bad second format: ' + fmt;
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}; 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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function split_fmt(fmt) {
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return fmt.reverse().split(/;(?!\\)/).reverse().map(_strrev);
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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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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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/* Tokenize */
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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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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':
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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 === '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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case 'A':
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q={t:c,v:"A"};
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if(fmt.substr(i, 3) === "A/P") hr = 'h',i+=3;
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else if(fmt.substr(i,5) === "AM/PM") { q.v = "AM"; i+=5; hr = 'h' }
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else q.t = "t";
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out.push(q); lst = c; break;
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case '[': /* ignore all conditionals and formatting */
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while(fmt[i++] !== ']'); break;
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default:
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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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case 'h': case 'H': out[i].t = hr; lst='h'; break;
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case 'd': case 'y': case 's': case 'M': lst=out[i].t; break;
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case 'm': if(lst === 's') out[i].t = 'M'; break;
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}
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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': break;
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case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A':
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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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default: throw "unrecognized type " + out[i].t;
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}
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}
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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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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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}
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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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var f = choose_fmt(fmt, v, o);
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return eval_fmt(f, v, o);
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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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