forked from sheetjs/sheetjs
version bump 0.2.0: formatting
- Basic Format Code support (fixes #17) - basic inlineStr parsing note that the SSF stuff will ultimately rest in a separate repo
This commit is contained in:
parent
e556483faa
commit
cebc377e06
@ -1,6 +1,6 @@
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{
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"name": "xlsx",
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"version": "0.1.5",
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"version": "0.2.0",
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"author": "Niggler",
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"description": "(one day) a full-featured XLSX parser and writer. For now, primitive parser",
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"keywords": [
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301
xlsx.js
301
xlsx.js
@ -1,5 +1,226 @@
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/* vim: set ts=2:*/
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/*jshint eqnull:true */
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/* 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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var XLSX = (function(){
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var ct2type = {
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"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml": "workbooks",
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@ -113,26 +334,28 @@ function parsexmltag(tag) {
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var strs = {}; // shared strings
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var styles = {}; // shared styles
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/* 18.3 Worksheets */
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function parseSheet(data) {
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var s = {};
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var ref = data.match(/<dimension ref="([^"]*)"\s*\/>/);
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if(ref) s["!ref"] = ref[1];
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if(ref && ref.indexOf(":") !== -1) s["!ref"] = ref[1];
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var refguess = {s: {r:1000000, c:1000000}, e: {r:0, c:0} };
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//s.rows = {};
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//s.cells = {};
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var q = ["v","f"];
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if(!data.match(/<sheetData *\/>/))
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data.match(/<sheetData>([^]*)<\/sheetData>/m)[1].split("</row>").forEach(function(x) {
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if(x === "") return;
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if(x === "" || x.trim() === "") return;
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var row = parsexmltag(x.match(/<row[^>]*>/)[0]); //s.rows[row.r]=row.spans;
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if(refguess.s.r > row.r - 1) refguess.s.r = row.r - 1;
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if(refguess.e.r < row.r - 1) refguess.e.r = row.r - 1;
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/* 18.3.1.4 c CT_Cell */
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var cells = x.substr(x.indexOf('>')+1).split(/<c/);
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cells.forEach(function(c, idx) { if(c === "") return;
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cells.forEach(function(c, idx) { if(c === "" || c.trim() === "") return;
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c = "<c" + c;
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if(refguess.s.c > idx - 1) refguess.s.c = idx - 1;
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if(refguess.e.c < idx - 1) refguess.e.c = idx - 1;
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@ -147,16 +370,31 @@ function parseSheet(data) {
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case 'n': p.v = parseFloat(p.v); break;
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case 's': p.v = strs[parseInt(p.v, 10)].t; break;
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case 'str': if(p.v) p.v = utf8read(p.v); break; // normal string
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case 'inlineStr':
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p.t = 'str'; p.v = unescapexml(d.match(matchtag('t'))[1]);
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break; // inline string
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case 'b':
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switch(p.v) {
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case '0': case 'FALSE': case "false": case false: p.v=false; break;
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case '1': case 'TRUE': case "true": case true: p.v=true; break;
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default: throw "Unrecognized boolean: " + p.v;
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} break;
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/* in case of error, stick value in .err */
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case 'e': p.err = p.v; p.v = undefined; break;
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/* in case of error, stick value in .raw */
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case 'e': p.raw = p.v; p.v = undefined; break;
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default: throw "Unrecognized cell type: " + p.t;
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}
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/* formatting */
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if(cell.s) {
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var cf = styles.CellXf[cell.s];
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if(cf && cf.numFmtId && cf.numFmtId != 0) {
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p.raw = p.v;
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p.rawt = p.t;
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try {
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p.v = SSF.format(cf.numFmtId,p.v);
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p.t = 'str';
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} catch(e) { p.v = p.raw; }
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}
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}
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//s.cells[cell.r] = p;
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s[cell.r] = p;
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});
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@ -282,6 +520,7 @@ function parseCT(data) {
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if(ct.xmlns !== XMLNS_CT) throw "Unknown Namespace: " + ct.xmlns;
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ct.calcchain = ct.calcchains.length > 0 ? ct.calcchains[0] : "";
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ct.sst = ct.strs.length > 0 ? ct.strs[0] : "";
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ct.style = ct.styles.length > 0 ? ct.styles[0] : "";
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delete ct.calcchains;
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return ct;
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}
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@ -404,17 +643,66 @@ function parseWB(data) {
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return wb;
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}
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/* 18.8.31 numFmts CT_NumFmts */
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function parseNumFmts(t) {
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styles.NumberFmt = [];
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for(y in SSF._table) styles.NumberFmt[y] = SSF._table[y];
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t[0].match(/<[^>]*>/g).forEach(function(x) {
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var y = parsexmltag(x);
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switch(y[0]) {
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case '<numFmts': case '</numFmts>': case '<numFmts/>': break;
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case '<numFmt': {
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var f=unescapexml(y.formatCode), i=parseInt(y.numFmtId,10);
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styles.NumberFmt[i] = f; SSF.load(f,i);
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} break;
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default: throw 'unrecognized ' + y[0] + ' in numFmts';
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}
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});
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}
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/* 18.8.10 cellXfs CT_CellXfs */
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function parseCXfs(t) {
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styles.CellXf = [];
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t[0].match(/<[^>]*>/g).forEach(function(x) {
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var y = parsexmltag(x);
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switch(y[0]) {
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case '<cellXfs': case '<cellXfs/>': case '</cellXfs>': break;
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case '<xf': if(y.numFmtId) y.numFmtId = parseInt(y.numFmtId, 10);
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styles.CellXf.push(y); break;
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case '</xf>': break;
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case '<alignment': case '<protection': break;
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case '<extLst': case '</extLst>': break;
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case '<ext': break;
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default: throw 'unrecognized ' + y[0] + ' in cellXfs';
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}
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});
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}
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/* 18.8 Styles CT_Stylesheet*/
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function parseStyles(data) {
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var t;
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if(t=data.match(/<numFmts([^>]*)>.*<\/numFmts>/)) parseNumFmts(t);
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if(t=data.match(/<cellXfs([^>]*)>.*<\/cellXfs>/)) parseCXfs(t);
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return styles;
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}
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function parseZip(zip) {
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var entries = Object.keys(zip.files);
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var keys = entries.filter(function(x){return x.substr(-1) != '/';}).sort();
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var dir = parseCT((zip.files['[Content_Types].xml']||{}).data);
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strs = {};
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if(dir.sst) strs=parseStrs(zip.files[dir.sst.replace(/^\//,'')].data);
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styles = {};
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if(dir.style) styles = parseStyles(zip.files[dir.style.replace(/^\//,'')].data);
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var wb = parseWB(zip.files[dir.workbooks[0].replace(/^\//,'')].data);
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var propdata = dir.coreprops.length !== 0 ? zip.files[dir.coreprops[0].replace(/^\//,'')].data : "";
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propdata += dir.extprops.length !== 0 ? zip.files[dir.extprops[0].replace(/^\//,'')].data : "";
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var props = propdata !== "" ? parseProps(propdata) : {};
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var deps = {};
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if(dir.calcchain) deps=parseDeps(zip.files[dir.calcchain.replace(/^\//,'')].data);
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if(dir.sst) strs=parseStrs(zip.files[dir.sst.replace(/^\//,'')].data);
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var sheets = {}, i=0;
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if(!props.Worksheets) {
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/* Google Docs doesn't generate the appropriate metadata, so we impute: */
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@ -441,6 +729,7 @@ function parseZip(zip) {
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Sheets: sheets,
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SheetNames: props.SheetNames,
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Strings: strs,
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Styles: styles,
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keys: keys,
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files: zip.files
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};
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