forked from sheetjs/sheetjs
		
	
		
			
				
	
	
		
			95 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* 9.3 Relationships */
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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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| 	HLINK: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink",
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| 	VML: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing",
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| 	XPATH: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLinkPath",
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| 	XMISS: "http://schemas.microsoft.com/office/2006/relationships/xlExternalLinkPath/xlPathMissing",
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| 	XLINK: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLink",
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| 	CXML: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXml",
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| 	CXMLP: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXmlProps",
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| 	CMNT: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments",
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| 	CORE_PROPS: "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties",
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| 	EXT_PROPS: 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties',
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| 	CUST_PROPS: 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties',
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| 	SST: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings",
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| 	STY: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles",
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| 	THEME: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme",
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| 	CHART: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart",
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| 	CHARTEX: "http://schemas.microsoft.com/office/2014/relationships/chartEx",
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| 	CS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chartsheet",
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| 	WS: [
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| 		"http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet",
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| 		"http://purl.oclc.org/ooxml/officeDocument/relationships/worksheet"
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| 	],
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| 	DS: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/dialogsheet",
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| 	MS: "http://schemas.microsoft.com/office/2006/relationships/xlMacrosheet",
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| 	IMG: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image",
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| 	DRAW: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing",
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| 	XLMETA: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/sheetMetadata",
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| 	TCMNT: "http://schemas.microsoft.com/office/2017/10/relationships/threadedComment",
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| 	PEOPLE: "http://schemas.microsoft.com/office/2017/10/relationships/person",
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| 	VBA: "http://schemas.microsoft.com/office/2006/relationships/vbaProject"
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| }/*:any*/);
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| 
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| 
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| /* 9.3.3 Representing Relationships */
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| function get_rels_path(file/*:string*/)/*:string*/ {
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| 	var n = file.lastIndexOf("/");
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| 	return file.slice(0,n+1) + '_rels/' + file.slice(n+1) + ".rels";
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| }
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| 
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| function parse_rels(data/*:?string*/, currentFilePath/*:string*/) {
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| 	var rels = {"!id":{}};
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| 	if (!data) return rels;
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| 	if (currentFilePath.charAt(0) !== '/') {
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| 		currentFilePath = '/'+currentFilePath;
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| 	}
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| 	var hash = {};
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| 
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| 	(data.match(tagregex)||[]).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; if(y.TargetMode) rel.TargetMode = y.TargetMode;
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| 			var canonictarget = y.TargetMode === 'External' ? y.Target : resolve_path(y.Target, currentFilePath);
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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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| 
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| 
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| /* TODO */
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| function write_rels(rels)/*:string*/ {
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| 	var o = [XML_HEADER, 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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| 	keys(rels['!id']).forEach(function(rid) {
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| 		o[o.length] = (writextag('Relationship', null, rels['!id'][rid]));
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| 	});
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| 	if(o.length>2){ o[o.length] = ('</Relationships>'); o[1]=o[1].replace("/>",">"); }
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| 	return o.join("");
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| }
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| 
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| function add_rels(rels, rId/*:number*/, f, type, relobj, targetmode/*:?string*/)/*:number*/ {
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| 	if(!relobj) relobj = {};
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| 	if(!rels['!id']) rels['!id'] = {};
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| 	if(!rels['!idx']) rels['!idx'] = 1;
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| 	if(rId < 0) for(rId = rels['!idx']; rels['!id']['rId' + rId]; ++rId){/* empty */}
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| 	rels['!idx'] = rId + 1;
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| 	relobj.Id = 'rId' + rId;
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| 	relobj.Type = type;
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| 	relobj.Target = f;
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| 	if(targetmode) relobj.TargetMode = targetmode;
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| 	else if([RELS.HLINK, RELS.XPATH, RELS.XMISS].indexOf(relobj.Type) > -1) relobj.TargetMode = "External";
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| 	if(rels['!id'][relobj.Id]) throw new Error("Cannot rewrite rId " + rId);
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| 	rels['!id'][relobj.Id] = relobj;
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| 	rels[('/' + relobj.Target).replace("//","/")] = relobj;
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| 	return rId;
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| }
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