xsheetjs/bits/34_extprops.js
SheetJS 807eac273b miscellany
- systemjs browser example
- more precise file type resolution
- small corner cases from test corpus
- removed neq in tests (fixes #735 h/t @TeamworkGuy2)
- package.json devDependencies versions (fixes #740 h/t @the-spyke)
2017-07-26 04:35:28 -04:00

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/* 15.2.12.3 Extended File Properties Part */
/* [MS-OSHARED] 2.3.3.2.[1-2].1 (PIDSI/PIDDSI) */
var EXT_PROPS/*:Array<Array<string> >*/ = [
["Application", "Application", "string"],
["AppVersion", "AppVersion", "string"],
["Company", "Company", "string"],
["DocSecurity", "DocSecurity", "string"],
["Manager", "Manager", "string"],
["HyperlinksChanged", "HyperlinksChanged", "bool"],
["SharedDoc", "SharedDoc", "bool"],
["LinksUpToDate", "LinksUpToDate", "bool"],
["ScaleCrop", "ScaleCrop", "bool"],
["HeadingPairs", "HeadingPairs", "raw"],
["TitlesOfParts", "TitlesOfParts", "raw"]
];
XMLNS.EXT_PROPS = "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties";
RELS.EXT_PROPS = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties';
function parse_ext_props(data, p) {
var q = {}; if(!p) p = {};
EXT_PROPS.forEach(function(f) {
switch(f[2]) {
case "string": p[f[1]] = (data.match(matchtag(f[0]))||[])[1]; break;
case "bool": p[f[1]] = (data.match(matchtag(f[0]))||[])[1] === "true"; break;
case "raw":
var cur = data.match(new RegExp("<" + f[0] + "[^>]*>([\\s\\S]*?)<\/" + f[0] + ">"));
if(cur && cur.length > 0) q[f[1]] = cur[1];
break;
}
});
if(q.HeadingPairs && q.TitlesOfParts) {
var v = parseVector(q.HeadingPairs);
var parts = parseVector(q.TitlesOfParts).map(function(x) { return x.v; });
var idx = 0, len = 0;
for(var i = 0; i !== v.length; i+=2) {
len = +(v[i+1].v);
switch(v[i].v) {
case "Worksheets":
case "工作表":
case "Листы":
case "أوراق العمل":
case "ワークシート":
case "גליונות עבודה":
case "Arbeitsblätter":
case "Çalışma Sayfaları":
case "Feuilles de calcul":
case "Fogli di lavoro":
case "Folhas de cálculo":
case "Planilhas":
case "Regneark":
case "Werkbladen":
p.Worksheets = len;
p.SheetNames = parts.slice(idx, idx + len);
break;
case "Named Ranges":
case "名前付き一覧":
case "Benannte Bereiche":
case "Navngivne områder":
p.NamedRanges = len;
p.DefinedNames = parts.slice(idx, idx + len);
break;
case "Charts":
case "Diagramme":
p.Chartsheets = len;
p.ChartNames = parts.slice(idx, idx + len);
break;
}
idx += len;
}
}
return p;
}
var EXT_PROPS_XML_ROOT = writextag('Properties', null, {
'xmlns': XMLNS.EXT_PROPS,
'xmlns:vt': XMLNS.vt
});
function write_ext_props(cp, opts)/*:string*/ {
var o = [], p = {}, W = writextag;
if(!cp) cp = {};
cp.Application = "SheetJS";
o[o.length] = (XML_HEADER);
o[o.length] = (EXT_PROPS_XML_ROOT);
EXT_PROPS.forEach(function(f) {
if(cp[f[1]] === undefined) return;
var v;
switch(f[2]) {
case 'string': v = String(cp[f[1]]); break;
case 'bool': v = cp[f[1]] ? 'true' : 'false'; break;
}
if(v !== undefined) o[o.length] = (W(f[0], v));
});
/* TODO: HeadingPairs, TitlesOfParts */
o[o.length] = (W('HeadingPairs', W('vt:vector', W('vt:variant', '<vt:lpstr>Worksheets</vt:lpstr>')+W('vt:variant', W('vt:i4', String(cp.Worksheets))), {size:2, baseType:"variant"})));
o[o.length] = (W('TitlesOfParts', W('vt:vector', cp.SheetNames.map(function(s) { return "<vt:lpstr>" + escapexml(s) + "</vt:lpstr>"; }).join(""), {size: cp.Worksheets, baseType:"lpstr"})));
if(o.length>2){ o[o.length] = ('</Properties>'); o[1]=o[1].replace("/>",">"); }
return o.join("");
}