xsheetjs/bits/42_sstxml.js
SheetJS c7010eec35 XLS/XLSX/XLSB/XLML cellDates support
- uniform number->date cell conversion
- update SSF to 0.9.0 (for is_date)
- namespaced rich str xml
- license file changed to appease GH automatic license detector

|     id      | author       | comment                                 |
|:------------|:-------------|:----------------------------------------|
| closes #581 | @Aymkdn      | XLSX cellDates + SSF.is_date            |
| closes #126 | @elad        | same as #581 h/t @SystemParadox         |
| closes #59  | @vratiu      | same as #581                            |
| closes #279 | @varunoberoi | raw json output uses date               |
2017-03-21 16:44:35 -04:00

213 lines
6.3 KiB
JavaScript

/* 18.4.1 charset to codepage mapping */
var CS2CP = ({
/*::[*/0/*::]*/: 1252, /* ANSI */
/*::[*/1/*::]*/: 65001, /* DEFAULT */
/*::[*/2/*::]*/: 65001, /* SYMBOL */
/*::[*/77/*::]*/: 10000, /* MAC */
/*::[*/128/*::]*/: 932, /* SHIFTJIS */
/*::[*/129/*::]*/: 949, /* HANGUL */
/*::[*/130/*::]*/: 1361, /* JOHAB */
/*::[*/134/*::]*/: 936, /* GB2312 */
/*::[*/136/*::]*/: 950, /* CHINESEBIG5 */
/*::[*/161/*::]*/: 1253, /* GREEK */
/*::[*/162/*::]*/: 1254, /* TURKISH */
/*::[*/163/*::]*/: 1258, /* VIETNAMESE */
/*::[*/177/*::]*/: 1255, /* HEBREW */
/*::[*/178/*::]*/: 1256, /* ARABIC */
/*::[*/186/*::]*/: 1257, /* BALTIC */
/*::[*/204/*::]*/: 1251, /* RUSSIAN */
/*::[*/222/*::]*/: 874, /* THAI */
/*::[*/238/*::]*/: 1250, /* EASTEUROPE */
/*::[*/255/*::]*/: 1252, /* OEM */
/*::[*/69/*::]*/: 6969 /* MISC */
}/*:any*/);
/* Parse a list of <r> tags */
var parse_rs = (function parse_rs_factory() {
var tregex = matchtag("t"), rpregex = matchtag("rPr"), rregex = /<(?:\w+:)?r>/g, rend = /<\/(?:\w+:)?r>/, nlregex = /\r\n/g;
/* 18.4.7 rPr CT_RPrElt */
var parse_rpr = function parse_rpr(rpr, intro, outro) {
var font = {}, cp = 65001;
var m = rpr.match(tagregex), i = 0;
if(m) for(;i!=m.length; ++i) {
var y = parsexmltag(m[i]);
switch(y[0].replace(/\w*:/g,"")) {
/* 18.8.12 condense CT_BooleanProperty */
/* ** not required . */
case '<condense': break;
/* 18.8.17 extend CT_BooleanProperty */
/* ** not required . */
case '<extend': break;
/* 18.8.36 shadow CT_BooleanProperty */
/* ** not required . */
case '<shadow':
/* falls through */
case '<shadow>':
case '<shadow/>': break;
/* 18.4.1 charset CT_IntProperty TODO */
case '<charset':
if(y.val == '1') break;
cp = CS2CP[parseInt(y.val, 10)];
break;
/* 18.4.2 outline CT_BooleanProperty TODO */
case '<outline':
/* falls through */
case '<outline>':
case '<outline/>': break;
/* 18.4.5 rFont CT_FontName */
case '<rFont': font.name = y.val; break;
/* 18.4.11 sz CT_FontSize */
case '<sz': font.sz = y.val; break;
/* 18.4.10 strike CT_BooleanProperty */
case '<strike':
if(!y.val) break;
/* falls through */
case '<strike>':
case '<strike/>': font.strike = 1; break;
case '</strike>': break;
/* 18.4.13 u CT_UnderlineProperty */
case '<u':
if(y.val == '0') break;
/* falls through */
case '<u>':
case '<u/>': font.u = 1; break;
case '</u>': break;
/* 18.8.2 b */
case '<b':
if(y.val == '0') break;
/* falls through */
case '<b>':
case '<b/>': font.b = 1; break;
case '</b>': break;
/* 18.8.26 i */
case '<i':
if(y.val == '0') break;
/* falls through */
case '<i>':
case '<i/>': font.i = 1; break;
case '</i>': break;
/* 18.3.1.15 color CT_Color TODO: tint, theme, auto, indexed */
case '<color':
if(y.rgb) font.color = y.rgb.substr(2,6);
break;
/* 18.8.18 family ST_FontFamily */
case '<family': font.family = y.val; break;
/* 18.4.14 vertAlign CT_VerticalAlignFontProperty TODO */
case '<vertAlign': break;
/* 18.8.35 scheme CT_FontScheme TODO */
case '<scheme': break;
default:
if(y[0].charCodeAt(1) !== 47) throw 'Unrecognized rich format ' + y[0];
}
}
var style = [];
if(font.b) style.push("font-weight: bold;");
if(font.i) style.push("font-style: italic;");
intro.push('<span style="' + style.join("") + '">');
outro.push("</span>");
return cp;
};
/* 18.4.4 r CT_RElt */
function parse_r(r) {
var terms = [[],"",[]];
/* 18.4.12 t ST_Xstring */
var t = r.match(tregex), cp = 65001;
if(!isval(t)/*:: || !t*/) return "";
terms[1] = t[1];
var rpr = r.match(rpregex);
if(isval(rpr)/*:: && rpr*/) cp = parse_rpr(rpr[1], terms[0], terms[2]);
return terms[0].join("") + terms[1].replace(nlregex,'<br/>') + terms[2].join("");
}
return function parse_rs(rs) {
return rs.replace(rregex,"").split(rend).map(parse_r).join("");
};
})();
/* 18.4.8 si CT_Rst */
var sitregex = /<(?:\w+:)?t[^>]*>([^<]*)<\/(?:\w+:)?t>/g, sirregex = /<(?:\w+:)?r>/;
var sirphregex = /<(?:\w+:)?rPh.*?>(.*?)<\/(?:\w+:)?rPh>/g;
function parse_si(x, opts) {
var html = opts ? opts.cellHTML : true;
var z = {};
if(!x) return null;
var y;
/* 18.4.12 t ST_Xstring (Plaintext String) */
// TODO: is whitespace actually valid here?
if(x.match(/^\s*<(?:\w+:)?t[^>]*>/)) {
z.t = utf8read(unescapexml(x.substr(x.indexOf(">")+1).split(/<\/(?:\w+:)?t>/)[0]));
z.r = utf8read(x);
if(html) z.h = z.t;
}
/* 18.4.4 r CT_RElt (Rich Text Run) */
else if((y = x.match(sirregex))) {
z.r = utf8read(x);
z.t = utf8read(unescapexml((x.replace(sirphregex, '').match(sitregex)||[]).join("").replace(tagregex,"")));
if(html) z.h = parse_rs(z.r);
}
/* 18.4.3 phoneticPr CT_PhoneticPr (TODO: needed for Asian support) */
/* 18.4.6 rPh CT_PhoneticRun (TODO: needed for Asian support) */
return z;
}
/* 18.4 Shared String Table */
var sstr0 = /<(?:\w+:)?sst([^>]*)>([\s\S]*)<\/(?:\w+:)?sst>/;
var sstr1 = /<(?:\w+:)?(?:si|sstItem)>/g;
var sstr2 = /<\/(?:\w+:)?(?:si|sstItem)>/;
function parse_sst_xml(data/*:string*/, opts)/*:SST*/ {
var s/*:SST*/ = ([]/*:any*/), ss = "";
if(!data) return s;
/* 18.4.9 sst CT_Sst */
var sst = data.match(sstr0);
if(isval(sst)/*:: && sst*/) {
ss = sst[2].replace(sstr1,"").split(sstr2);
for(var i = 0; i != ss.length; ++i) {
var o = parse_si(ss[i].trim(), opts);
if(o != null) s[s.length] = o;
}
sst = parsexmltag(sst[1]); s.Count = sst.count; s.Unique = sst.uniqueCount;
}
return s;
}
RELS.SST = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings";
var straywsregex = /^\s|\s$|[\t\n\r]/;
function write_sst_xml(sst/*:SST*/, opts)/*:string*/ {
if(!opts.bookSST) return "";
var o = [XML_HEADER];
o[o.length] = (writextag('sst', null, {
xmlns: XMLNS.main[0],
count: sst.Count,
uniqueCount: sst.Unique
}));
for(var i = 0; i != sst.length; ++i) { if(sst[i] == null) continue;
var s/*:XLString*/ = sst[i];
var sitag = "<si>";
if(s.r) sitag += s.r;
else {
sitag += "<t";
if(s.t.match(straywsregex)) sitag += ' xml:space="preserve"';
sitag += ">" + escapexml(s.t) + "</t>";
}
sitag += "</si>";
o[o.length] = (sitag);
}
if(o.length>2){ o[o.length] = ('</sst>'); o[1]=o[1].replace("/>",">"); }
return o.join("");
}