62 lines
1.7 KiB
JavaScript
62 lines
1.7 KiB
JavaScript
/* 9.3.2 OPC Relationships Markup */
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var RELS = {
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WB: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
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SHEET: "http://sheetjs.openxmlformats.org/officeDocument/2006/relationships/officeDocument"
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};
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function parse_rels(data, currentFilePath) {
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if (!data) return data;
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if (currentFilePath.charAt(0) !== '/') {
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currentFilePath = '/'+currentFilePath;
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}
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var rels = {};
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var hash = {};
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var resolveRelativePathIntoAbsolute = function (to) {
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var toksFrom = currentFilePath.split('/');
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toksFrom.pop(); // folder path
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var toksTo = to.split('/');
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var reversed = [];
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while (toksTo.length !== 0) {
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var tokTo = toksTo.shift();
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if (tokTo === '..') {
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toksFrom.pop();
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} else if (tokTo !== '.') {
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toksFrom.push(tokTo);
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}
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}
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return toksFrom.join('/');
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};
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data.match(/<[^>]*>/g).forEach(function(x) {
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var y = parsexmltag(x);
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/* 9.3.2.2 OPC_Relationships */
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if (y[0] === '<Relationship') {
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var rel = {}; rel.Type = y.Type; rel.Target = y.Target; rel.Id = y.Id; rel.TargetMode = y.TargetMode;
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var canonictarget = y.TargetMode === 'External' ? y.Target : resolveRelativePathIntoAbsolute(y.Target);
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rels[canonictarget] = rel;
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hash[y.Id] = rel;
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}
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});
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rels["!id"] = hash;
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return rels;
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}
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XMLNS.RELS = 'http://schemas.openxmlformats.org/package/2006/relationships';
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var RELS_ROOT = writextag('Relationships', null, {
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//'xmlns:ns0': XMLNS.RELS,
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'xmlns': XMLNS.RELS
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});
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/* TODO */
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function write_rels(rels) {
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var o = [];
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o.push(XML_HEADER);
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o.push(RELS_ROOT);
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keys(rels['!id']).forEach(function(rid) { var rel = rels['!id'][rid];
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o.push(writextag('Relationship', null, rel));
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});
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if(o.length>2){ o.push('</Relationships>'); o[1]=o[1].replace("/>",">"); }
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return o.join("");
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}
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