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/* 9.3 Relationships */var RELS = ({	WB: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",	SHEET: "http://sheetjs.openxmlformats.org/officeDocument/2006/relationships/officeDocument",	HLINK: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink",	VML: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing",	XPATH: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLinkPath",	XMISS: "http://schemas.microsoft.com/office/2006/relationships/xlExternalLinkPath/xlPathMissing",	XLINK: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLink",	CXML: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXml",	CXMLP: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXmlProps",	VBA: "http://schemas.microsoft.com/office/2006/relationships/vbaProject"}/*:any*/);
/* 9.3.3 Representing Relationships */function get_rels_path(file/*:string*/)/*:string*/ {	var n = file.lastIndexOf("/");	return file.slice(0,n+1) + '_rels/' + file.slice(n+1) + ".rels";}
function parse_rels(data/*:?string*/, currentFilePath/*:string*/) {	var rels = {"!id":{}};	if (!data) return rels;	if (currentFilePath.charAt(0) !== '/') {		currentFilePath = '/'+currentFilePath;	}	var hash = {};
	(data.match(tagregex)||[]).forEach(function(x) {		var y = parsexmltag(x);		/* 9.3.2.2 OPC_Relationships */		if (y[0] === '<Relationship') {			var rel = {}; rel.Type = y.Type; rel.Target = y.Target; rel.Id = y.Id; rel.TargetMode = y.TargetMode;			var canonictarget = y.TargetMode === 'External' ? y.Target : resolve_path(y.Target, currentFilePath);			rels[canonictarget] = rel;			hash[y.Id] = rel;		}	});	rels["!id"] = hash;	return rels;}
XMLNS.RELS = 'http://schemas.openxmlformats.org/package/2006/relationships';
var RELS_ROOT = writextag('Relationships', null, {	//'xmlns:ns0': XMLNS.RELS,	'xmlns': XMLNS.RELS});
/* TODO */function write_rels(rels)/*:string*/ {	var o = [XML_HEADER, RELS_ROOT];	keys(rels['!id']).forEach(function(rid) {		o[o.length] = (writextag('Relationship', null, rels['!id'][rid]));	});	if(o.length>2){ o[o.length] = ('</Relationships>'); o[1]=o[1].replace("/>",">"); }	return o.join("");}
var RELS_EXTERN = [RELS.HLINK, RELS.XPATH, RELS.XMISS];function add_rels(rels, rId/*:number*/, f, type, relobj, targetmode/*:?string*/)/*:number*/ {	if(!relobj) relobj = {};	if(!rels['!id']) rels['!id'] = {};	if(rId < 0) for(rId = 1; rels['!id']['rId' + rId]; ++rId){/* empty */}	relobj.Id = 'rId' + rId;	relobj.Type = type;	relobj.Target = f;	if(targetmode) relobj.TargetMode = targetmode;	else if(RELS_EXTERN.indexOf(relobj.Type) > -1) relobj.TargetMode = "External";	if(rels['!id'][relobj.Id]) throw new Error("Cannot rewrite rId " + rId);	rels['!id'][relobj.Id] = relobj;	rels[('/' + relobj.Target).replace("//","/")] = relobj;	return rId;}