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 @@
|
|||
{
|
||||
"name": "xlsx",
|
||||
"version": "0.1.5",
|
||||
"version": "0.2.0",
|
||||
"author": "Niggler",
|
||||
"description": "(one day) a full-featured XLSX parser and writer. For now, primitive parser",
|
||||
"keywords": [
|
||||
|
|
|
|||
301
xlsx.js
301
xlsx.js
|
|
@ -1,5 +1,226 @@
|
|||
/* vim: set ts=2:*/
|
||||
/*jshint eqnull:true */
|
||||
/* Spreadsheet Format -- jump to XLSX for the XLSX code */
|
||||
var SSF = (function() {
|
||||
var SSF = {};
|
||||
String.prototype.reverse=function(){return this.split("").reverse().join("");};
|
||||
var _strrev = function(x) { return String(x).reverse(); };
|
||||
function fill(c,l) { return new Array(l+1).join(c); }
|
||||
function pad(v,d){var t=String(v);return t.length>=d?t:(fill(0,d-t.length)+t);}
|
||||
/* Options */
|
||||
var opts_fmt = {};
|
||||
function fixopts(o){for(y in opts_fmt) if(o[y]===undefined) o[y]=opts_fmt[y];}
|
||||
SSF.opts = opts_fmt;
|
||||
opts_fmt.date1904 = 0;
|
||||
opts_fmt.output = ""
|
||||
opts_fmt.mode = "";
|
||||
var table_fmt = {
|
||||
1: '0',
|
||||
2: '0.00',
|
||||
3: '#,##0',
|
||||
4: '#,##0.00',
|
||||
9: '0%',
|
||||
10: '0.00%',
|
||||
11: '0.00E+00',
|
||||
12: '# ?/?',
|
||||
13: '# ??/??',
|
||||
14: 'mm-dd-yy',
|
||||
15: 'd-mmm-yy',
|
||||
16: 'd-mmm',
|
||||
17: 'mmm-yy',
|
||||
18: 'h:mm AM/PM',
|
||||
19: 'h:mm:ss AM/PM',
|
||||
20: 'h:mm',
|
||||
21: 'h:mm:ss',
|
||||
22: 'm/d/yy h:mm',
|
||||
37: '#,##0 ;(#,##0)',
|
||||
38: '#,##0 ;[Red](#,##0)',
|
||||
39: '#,##0.00;(#,##0.00)',
|
||||
40: '#,##0.00;[Red](#,##0.00)',
|
||||
45: 'mm:ss',
|
||||
46: '[h]:mm:ss',
|
||||
47: 'mmss.0',
|
||||
48: '##0.0E+0',
|
||||
49: '@'
|
||||
};
|
||||
var days = [
|
||||
['Sun', 'Sunday'],
|
||||
['Mon', 'Monday'],
|
||||
['Tue', 'Tuesday'],
|
||||
['Wed', 'Wednesday'],
|
||||
['Thu', 'Thursday'],
|
||||
['Fri', 'Friday'],
|
||||
['Sat', 'Saturday']
|
||||
];
|
||||
var months = [
|
||||
['J', 'Jan', 'January'],
|
||||
['F', 'Feb', 'February'],
|
||||
['M', 'Mar', 'March'],
|
||||
['A', 'Apr', 'April'],
|
||||
['M', 'May', 'May'],
|
||||
['J', 'Jun', 'June'],
|
||||
['J', 'Jul', 'July'],
|
||||
['A', 'Aug', 'August'],
|
||||
['S', 'Sep', 'September'],
|
||||
['O', 'Oct', 'October'],
|
||||
['N', 'Nov', 'November'],
|
||||
['D', 'Dec', 'December'],
|
||||
];
|
||||
var general_fmt = function(v) {
|
||||
if(typeof v === 'boolean') return v ? "TRUE" : "FALSE";
|
||||
}
|
||||
SSF._general = general_fmt;
|
||||
var parse_date_code = function parse_date_code(v,opts) {
|
||||
var date = Math.floor(v), time = Math.round(86400 * (v - date)), dow=0;
|
||||
var dout=[], out={D:date, T:time}; fixopts(opts = (opts||{}));
|
||||
if(opts.date1904) date += 1462;
|
||||
if(date === 60) dout = [1900,2,29], dow=3;
|
||||
else {
|
||||
if(date > 60) --date;
|
||||
/* 1 = Jan 1 1900 */
|
||||
var d = new Date(1900,0,1);
|
||||
d.setDate(d.getDate() + date - 1);
|
||||
dout = [d.getFullYear(), d.getMonth()+1,d.getDate()];
|
||||
dow = d.getDay();
|
||||
if(opts.mode === 'excel' && date < 60) dow = (dow + 6) % 7;
|
||||
}
|
||||
out.y = dout[0], out.m = dout[1], out.d = dout[2];
|
||||
out.S = time % 60; time = Math.floor(time / 60);
|
||||
out.M = time % 60; time = Math.floor(time / 60);
|
||||
out.H = time;
|
||||
out.q = dow;
|
||||
return out;
|
||||
};
|
||||
SSF.parse_date_code = parse_date_code;
|
||||
var write_date = function(type, fmt, val) {
|
||||
switch(type) {
|
||||
case 'y': switch(fmt) { /* year */
|
||||
case 'y': case 'yy': return pad(val.y % 100,2);
|
||||
default: return val.y;
|
||||
}; break;
|
||||
case 'm': switch(fmt) { /* month */
|
||||
case 'm': return val.m;
|
||||
case 'mm': return pad(val.m,2);
|
||||
case 'mmm': return months[val.m-1][1];
|
||||
case 'mmmm': return months[val.m-1][2];
|
||||
case 'mmmmm': return months[val.m-1][0];
|
||||
default: throw 'bad month format: ' + fmt;
|
||||
}; break;
|
||||
case 'd': switch(fmt) { /* day */
|
||||
case 'd': return val.d;
|
||||
case 'dd': return pad(val.d,2);
|
||||
case 'ddd': return days[val.q][0];
|
||||
case 'dddd': return days[val.q][1];
|
||||
default: throw 'bad day format: ' + fmt;
|
||||
}; break;
|
||||
case 'h': switch(fmt) { /* 12-hour */
|
||||
case 'h': return 1+(val.H+11)%12;
|
||||
case 'hh': return pad(1+(val.H+11)%12, 2);
|
||||
default: throw 'bad hour format: ' + fmt;
|
||||
}; break;
|
||||
case 'H': switch(fmt) { /* 24-hour */
|
||||
case 'h': return val.H;
|
||||
case 'hh': return pad(val.H, 2);
|
||||
default: throw 'bad hour format: ' + fmt;
|
||||
}; break;
|
||||
case 'M': switch(fmt) { /* minutes */
|
||||
case 'm': return val.M;
|
||||
case 'mm': return pad(val.M, 2);
|
||||
default: throw 'bad minute format: ' + fmt;
|
||||
}; break;
|
||||
case 's': switch(fmt) { /* seconds */
|
||||
case 's': return val.S;
|
||||
case 'ss': return pad(val.S, 2);
|
||||
default: throw 'bad second format: ' + fmt;
|
||||
}; break;
|
||||
case 'A': return (val.h>=12 ? 'P' : 'A') + fmt.substr(1);
|
||||
default: throw 'bad format type ' + type + ' in ' + fmt;
|
||||
}
|
||||
};
|
||||
function split_fmt(fmt) {
|
||||
return fmt.reverse().split(/;(?!\\)/).reverse().map(_strrev);
|
||||
}
|
||||
SSF._split = split_fmt;
|
||||
function eval_fmt(fmt, v, opts) {
|
||||
var out = [], o = "", i = 0, c = "", lst='t', q = {}, dt;
|
||||
fixopts(opts = (opts || {}));
|
||||
var hr='H'
|
||||
/* Tokenize */
|
||||
while(i < fmt.length) {
|
||||
switch(c = fmt[i]) {
|
||||
case '"': /* Literal text */
|
||||
for(o="";fmt[++i] !== '"';) o += fmt[(fmt[i] === '\\' ? ++i : i)];
|
||||
out.push({t:'t', v:o}); break;
|
||||
case '\\': out.push({t:'t', v:fmt[++i]}); ++i; break;
|
||||
case '@': /* Text Placeholder */
|
||||
out.push({t:'T', v:v}); ++i; break;
|
||||
/* Dates */
|
||||
case 'm': case 'd': case 'y': case 'h': case 's':
|
||||
if(!dt) dt = parse_date_code(v, opts);
|
||||
o = fmt[i]; while(fmt[++i] === c) o+=c;
|
||||
if(c === 'm' && lst.toLowerCase() === 'h') c = 'M'; /* m = minute */
|
||||
if(c === 'h') c = hr;
|
||||
q={t:c, v:o}; out.push(q); lst = c; break;
|
||||
case 'A':
|
||||
q={t:c,v:"A"};
|
||||
if(fmt.substr(i, 3) === "A/P") hr = 'h',i+=3;
|
||||
else if(fmt.substr(i,5) === "AM/PM") { q.v = "AM"; i+=5; hr = 'h' }
|
||||
else q.t = "t";
|
||||
out.push(q); lst = c; break;
|
||||
case '[': /* ignore all conditionals and formatting */
|
||||
while(fmt[i++] !== ']'); break;
|
||||
default:
|
||||
if("$-+/():!^&'~{}<>= ".indexOf(c) === -1)
|
||||
throw 'unrecognized character ' + fmt[i] + ' in ' + fmt;
|
||||
out.push({t:'t', v:c}); ++i; break;
|
||||
}
|
||||
}
|
||||
/* walk backwards */
|
||||
for(i=out.length-1, lst='t'; i >= 0; --i) {
|
||||
switch(out[i].t) {
|
||||
case 'h': case 'H': out[i].t = hr; lst='h'; break;
|
||||
case 'd': case 'y': case 's': case 'M': lst=out[i].t; break;
|
||||
case 'm': if(lst === 's') out[i].t = 'M'; break;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/* replace fields */
|
||||
for(i=0; i < out.length; ++i) {
|
||||
switch(out[i].t) {
|
||||
case 't': case 'T': break;
|
||||
case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'A':
|
||||
out[i].v = write_date(out[i].t, out[i].v, dt);
|
||||
out[i].t = 't'; break;
|
||||
default: throw "unrecognized type " + out[i].t;
|
||||
}
|
||||
}
|
||||
|
||||
return out.map(function(x){return x.v}).join("");
|
||||
}
|
||||
SSF._eval = eval_fmt;
|
||||
function choose_fmt(fmt, v) {
|
||||
if(typeof fmt === "string") fmt = split_fmt(fmt);
|
||||
if(!(typeof v === "number")) return fmt[3];
|
||||
return v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
|
||||
}
|
||||
|
||||
var format = function format(fmt,v,o) {
|
||||
fixopts(o = (o||{}));
|
||||
if(fmt === 0) return general_fmt(v, o);
|
||||
if(typeof fmt === 'number') fmt = table_fmt[fmt];
|
||||
var f = choose_fmt(fmt, v, o);
|
||||
return eval_fmt(f, v, o);
|
||||
}
|
||||
|
||||
SSF._choose = choose_fmt;
|
||||
SSF._table = table_fmt;
|
||||
SSF.load = function(fmt, idx) { table_fmt[idx] = fmt; };
|
||||
SSF.format = format;
|
||||
|
||||
return SSF;
|
||||
})();
|
||||
|
||||
var XLSX = (function(){
|
||||
var ct2type = {
|
||||
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml": "workbooks",
|
||||
|
|
@ -113,26 +334,28 @@ function parsexmltag(tag) {
|
|||
|
||||
|
||||
var strs = {}; // shared strings
|
||||
var styles = {}; // shared styles
|
||||
|
||||
|
||||
/* 18.3 Worksheets */
|
||||
function parseSheet(data) {
|
||||
var s = {};
|
||||
var ref = data.match(/<dimension ref="([^"]*)"\s*\/>/);
|
||||
if(ref) s["!ref"] = ref[1];
|
||||
if(ref && ref.indexOf(":") !== -1) s["!ref"] = ref[1];
|
||||
var refguess = {s: {r:1000000, c:1000000}, e: {r:0, c:0} };
|
||||
//s.rows = {};
|
||||
//s.cells = {};
|
||||
var q = ["v","f"];
|
||||
if(!data.match(/<sheetData *\/>/))
|
||||
data.match(/<sheetData>([^]*)<\/sheetData>/m)[1].split("</row>").forEach(function(x) {
|
||||
if(x === "") return;
|
||||
if(x === "" || x.trim() === "") return;
|
||||
var row = parsexmltag(x.match(/<row[^>]*>/)[0]); //s.rows[row.r]=row.spans;
|
||||
if(refguess.s.r > row.r - 1) refguess.s.r = row.r - 1;
|
||||
if(refguess.e.r < row.r - 1) refguess.e.r = row.r - 1;
|
||||
|
||||
/* 18.3.1.4 c CT_Cell */
|
||||
var cells = x.substr(x.indexOf('>')+1).split(/<c/);
|
||||
cells.forEach(function(c, idx) { if(c === "") return;
|
||||
cells.forEach(function(c, idx) { if(c === "" || c.trim() === "") return;
|
||||
c = "<c" + c;
|
||||
if(refguess.s.c > idx - 1) refguess.s.c = idx - 1;
|
||||
if(refguess.e.c < idx - 1) refguess.e.c = idx - 1;
|
||||
|
|
@ -147,16 +370,31 @@ function parseSheet(data) {
|
|||
case 'n': p.v = parseFloat(p.v); break;
|
||||
case 's': p.v = strs[parseInt(p.v, 10)].t; break;
|
||||
case 'str': if(p.v) p.v = utf8read(p.v); break; // normal string
|
||||
case 'inlineStr':
|
||||
p.t = 'str'; p.v = unescapexml(d.match(matchtag('t'))[1]);
|
||||
break; // inline string
|
||||
case 'b':
|
||||
switch(p.v) {
|
||||
case '0': case 'FALSE': case "false": case false: p.v=false; break;
|
||||
case '1': case 'TRUE': case "true": case true: p.v=true; break;
|
||||
default: throw "Unrecognized boolean: " + p.v;
|
||||
} break;
|
||||
/* in case of error, stick value in .err */
|
||||
case 'e': p.err = p.v; p.v = undefined; break;
|
||||
/* in case of error, stick value in .raw */
|
||||
case 'e': p.raw = p.v; p.v = undefined; break;
|
||||
default: throw "Unrecognized cell type: " + p.t;
|
||||
}
|
||||
/* formatting */
|
||||
if(cell.s) {
|
||||
var cf = styles.CellXf[cell.s];
|
||||
if(cf && cf.numFmtId && cf.numFmtId != 0) {
|
||||
p.raw = p.v;
|
||||
p.rawt = p.t;
|
||||
try {
|
||||
p.v = SSF.format(cf.numFmtId,p.v);
|
||||
p.t = 'str';
|
||||
} catch(e) { p.v = p.raw; }
|
||||
}
|
||||
}
|
||||
//s.cells[cell.r] = p;
|
||||
s[cell.r] = p;
|
||||
});
|
||||
|
|
@ -282,6 +520,7 @@ function parseCT(data) {
|
|||
if(ct.xmlns !== XMLNS_CT) throw "Unknown Namespace: " + ct.xmlns;
|
||||
ct.calcchain = ct.calcchains.length > 0 ? ct.calcchains[0] : "";
|
||||
ct.sst = ct.strs.length > 0 ? ct.strs[0] : "";
|
||||
ct.style = ct.styles.length > 0 ? ct.styles[0] : "";
|
||||
delete ct.calcchains;
|
||||
return ct;
|
||||
}
|
||||
|
|
@ -404,17 +643,66 @@ function parseWB(data) {
|
|||
return wb;
|
||||
}
|
||||
|
||||
/* 18.8.31 numFmts CT_NumFmts */
|
||||
function parseNumFmts(t) {
|
||||
styles.NumberFmt = [];
|
||||
for(y in SSF._table) styles.NumberFmt[y] = SSF._table[y];
|
||||
t[0].match(/<[^>]*>/g).forEach(function(x) {
|
||||
var y = parsexmltag(x);
|
||||
switch(y[0]) {
|
||||
case '<numFmts': case '</numFmts>': case '<numFmts/>': break;
|
||||
case '<numFmt': {
|
||||
var f=unescapexml(y.formatCode), i=parseInt(y.numFmtId,10);
|
||||
styles.NumberFmt[i] = f; SSF.load(f,i);
|
||||
} break;
|
||||
default: throw 'unrecognized ' + y[0] + ' in numFmts';
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/* 18.8.10 cellXfs CT_CellXfs */
|
||||
function parseCXfs(t) {
|
||||
styles.CellXf = [];
|
||||
t[0].match(/<[^>]*>/g).forEach(function(x) {
|
||||
var y = parsexmltag(x);
|
||||
switch(y[0]) {
|
||||
case '<cellXfs': case '<cellXfs/>': case '</cellXfs>': break;
|
||||
case '<xf': if(y.numFmtId) y.numFmtId = parseInt(y.numFmtId, 10);
|
||||
styles.CellXf.push(y); break;
|
||||
case '</xf>': break;
|
||||
case '<alignment': case '<protection': break;
|
||||
case '<extLst': case '</extLst>': break;
|
||||
case '<ext': break;
|
||||
default: throw 'unrecognized ' + y[0] + ' in cellXfs';
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/* 18.8 Styles CT_Stylesheet*/
|
||||
function parseStyles(data) {
|
||||
var t;
|
||||
if(t=data.match(/<numFmts([^>]*)>.*<\/numFmts>/)) parseNumFmts(t);
|
||||
if(t=data.match(/<cellXfs([^>]*)>.*<\/cellXfs>/)) parseCXfs(t);
|
||||
return styles;
|
||||
}
|
||||
|
||||
function parseZip(zip) {
|
||||
var entries = Object.keys(zip.files);
|
||||
var keys = entries.filter(function(x){return x.substr(-1) != '/';}).sort();
|
||||
var dir = parseCT((zip.files['[Content_Types].xml']||{}).data);
|
||||
|
||||
strs = {};
|
||||
if(dir.sst) strs=parseStrs(zip.files[dir.sst.replace(/^\//,'')].data);
|
||||
|
||||
styles = {};
|
||||
if(dir.style) styles = parseStyles(zip.files[dir.style.replace(/^\//,'')].data);
|
||||
|
||||
var wb = parseWB(zip.files[dir.workbooks[0].replace(/^\//,'')].data);
|
||||
var propdata = dir.coreprops.length !== 0 ? zip.files[dir.coreprops[0].replace(/^\//,'')].data : "";
|
||||
propdata += dir.extprops.length !== 0 ? zip.files[dir.extprops[0].replace(/^\//,'')].data : "";
|
||||
var props = propdata !== "" ? parseProps(propdata) : {};
|
||||
var deps = {};
|
||||
if(dir.calcchain) deps=parseDeps(zip.files[dir.calcchain.replace(/^\//,'')].data);
|
||||
if(dir.sst) strs=parseStrs(zip.files[dir.sst.replace(/^\//,'')].data);
|
||||
var sheets = {}, i=0;
|
||||
if(!props.Worksheets) {
|
||||
/* Google Docs doesn't generate the appropriate metadata, so we impute: */
|
||||
|
|
@ -441,6 +729,7 @@ function parseZip(zip) {
|
|||
Sheets: sheets,
|
||||
SheetNames: props.SheetNames,
|
||||
Strings: strs,
|
||||
Styles: styles,
|
||||
keys: keys,
|
||||
files: zip.files
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue