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