forked from sheetjs/sheetjs
76 lines
2.6 KiB
JavaScript
76 lines
2.6 KiB
JavaScript
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/* 15.2.12.3 Extended File Properties Part */
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/* [MS-OSHARED] 2.3.3.2.[1-2].1 (PIDSI/PIDDSI) */
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var EXT_PROPS = [
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["Application", "Application", "string"],
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["AppVersion", "AppVersion", "string"],
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["Company", "Company", "string"],
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["DocSecurity", "DocSecurity", "string"],
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["Manager", "Manager", "string"],
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["HyperlinksChanged", "HyperlinksChanged", "bool"],
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["SharedDoc", "SharedDoc", "bool"],
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["LinksUpToDate", "LinksUpToDate", "bool"],
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["ScaleCrop", "ScaleCrop", "bool"],
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["HeadingPairs", "HeadingPairs", "raw"],
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["TitlesOfParts", "TitlesOfParts", "raw"],
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];
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XMLNS.EXT_PROPS = "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties";
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RELS.EXT_PROPS = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties';
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function parse_ext_props(data, p) {
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var q = {}; if(!p) p = {};
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EXT_PROPS.forEach(function(f) {
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switch(f[2]) {
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case "string": p[f[1]] = (data.match(matchtag(f[0]))||[])[1]; break;
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case "bool": p[f[1]] = (data.match(matchtag(f[0]))||[])[1] === "true"; break;
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case "raw":
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var cur = data.match(new RegExp("<" + f[0] + "[^>]*>(.*)<\/" + f[0] + ">"));
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if(cur && cur.length > 0) q[f[1]] = cur[1];
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break;
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}
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});
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if(q.HeadingPairs && q.TitlesOfParts) {
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var v = parseVector(q.HeadingPairs);
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var j = 0, widx = 0;
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for(var i = 0; i !== v.length; ++i) {
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switch(v[i].v) {
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case "Worksheets": widx = j; p.Worksheets = +(v[++i].v); break;
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case "Named Ranges": ++i; break; // TODO: Handle Named Ranges
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}
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}
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var parts = parseVector(q.TitlesOfParts).map(function(x) { return utf8read(x.v); });
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p.SheetNames = parts.slice(widx, widx + p.Worksheets);
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}
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return p;
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}
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var EXT_PROPS_XML_ROOT = writextag('Properties', null, {
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'xmlns': XMLNS.EXT_PROPS,
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'xmlns:vt': XMLNS.vt
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});
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function write_ext_props(cp, opts) {
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var o = [], p = {}, W = writextag;
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o.push(XML_HEADER);
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o.push(EXT_PROPS_XML_ROOT);
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if(!cp) return o.join("");
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EXT_PROPS.forEach(function(f) {
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if(typeof cp[f[1]] === 'undefined') return;
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var v;
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switch(f[2]) {
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case 'string': v = cp[f[1]]; break;
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case 'bool': v = cp[f[1]] ? 'true' : 'false'; break;
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}
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if(typeof v !== 'undefined') o.push(W(f[0], v));
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});
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/* TODO: HeadingPairs, TitlesOfParts */
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o.push(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"})));
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o.push(W('TitlesOfParts', W('vt:vector', cp.SheetNames.map(function(s) { return "<vt:lpstr>" + s + "</vt:lpstr>"; }).join(""), {size: cp.Worksheets, baseType:"lpstr"})));
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if(o.length>2){ o.push('</Properties>'); o[1]=o[1].replace("/>",">"); }
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return o.join("");
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}
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