xsheetjs/bits/42_sstxml.js
SheetJS 44b55c5c56 version bump 0.7.6: IE compatibility
- jscs linting to check for trailing comma issues (h/t @altkatz)
- IE: phased out lazy string indexing in favor of charCodeAt
- XLSX: replaced certain operations in hot functions with faster alternatives
- updated SSF to 0.7.1
- improved coverage in tests
2014-06-05 03:06:20 -04:00

199 lines
5.3 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 */
};
/* Parse a list of <r> tags */
var parse_rs = (function() {
var tregex = matchtag("t"), rpregex = matchtag("rPr");
/* 18.4.7 rPr CT_RPrElt */
var parse_rpr = function(rpr, intro, outro) {
var font = {}, cp = 65001;
(rpr.match(/<[^>]*>/g)||[]).forEach(function(x) {
var y = parsexmltag(x);
switch(y[0]) {
/* 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/>': 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/>': 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/>': font.strike = 1; break;
case '</strike>': break;
/* 18.4.13 u CT_UnderlineProperty */
case '<u':
if(!y.val) break;
/* falls through */
case '<u/>': font.u = 1; break;
case '</u>': break;
/* 18.8.2 b */
case '<b':
if(!y.val) break;
/* falls through */
case '<b/>': font.b = 1; break;
case '</b>': break;
/* 18.8.26 i */
case '<i':
if(!y.val) break;
/* falls through */
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][2] !== '/') throw 'Unrecognized rich format ' + y[0];
}
});
/* TODO: These should be generated styles, not inline */
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)) return "";
terms[1] = t[1];
var rpr = r.match(rpregex);
if(isval(rpr)) cp = parse_rpr(rpr[1], terms[0], terms[2]);
return terms[0].join("") + terms[1].replace(/\r\n/g,'<br/>') + terms[2].join("");
}
return function(rs) {
return rs.replace(/<r>/g,"").split(/<\/r>/).map(parse_r).join("");
};
})();
/* 18.4.8 si CT_Rst */
var parse_si = function(x, opts) {
var html = opts ? opts.cellHTML : true;
var z = {};
if(!x) return null;
var y;
/* 18.4.12 t ST_Xstring (Plaintext String) */
if(x.charCodeAt(1) === 116) {
z.t = utf8read(unescapexml(x.substr(x.indexOf(">")+1).split(/<\/t>/)[0]));
z.r = x;
if(html) z.h = z.t;
}
/* 18.4.4 r CT_RElt (Rich Text Run) */
else if((y = x.match(/<r>/))) {
z.r = x;
/* TODO: properly parse (note: no other valid child can have body text) */
z.t = utf8read(unescapexml(x.replace(/<[^>]*>/gm,"")));
if(html) z.h = parse_rs(x);
}
/* 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 parse_sst_xml = function(data, opts) {
var s = [];
/* 18.4.9 sst CT_Sst */
var sst = data.match(new RegExp("<sst([^>]*)>([\\s\\S]*)<\/sst>","m"));
if(isval(sst)) {
s = sst[2].replace(/<(?:si|sstItem)>/g,"").split(/<\/(?:si|sstItem)>/).map(function(x) { return parse_si(x, opts); }).filter(function(x) { return x; });
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 write_sst_xml = function(sst, opts) {
if(!opts.bookSST) return "";
var o = [];
o.push(XML_HEADER);
o.push(writextag('sst', null, {
xmlns: XMLNS.main[0],
count: sst.Count,
uniqueCount: sst.Unique
}));
sst.forEach(function(s) {
var sitag = "<si>";
if(s.r) sitag += s.r;
else {
sitag += "<t";
if(s.t.match(/^\s|\s$|[\t\n\r]/)) sitag += ' xml:space="preserve"';
sitag += ">";
sitag += escapexml(s.t);
sitag += "</t>";
}
sitag += "</si>";
o.push(sitag);
});
if(o.length>2){ o.push('</sst>'); o[1]=o[1].replace("/>",">"); }
return o.join("");
};