forked from sheetjs/sheetjs
		
	- parsexmltag and other hot functions now better optimized for v8 - monomorphic functions (different types -> different funcs) - more efficient decode_range implementation when source is trusted - regular expressions cached and simplified without breaking correctness - more efficient utf8 techniques when available - XLSX: large functions broken down into sub-functions (e.g. `parse_ws_xml`) - XLSB: avoid unnecessary binds - XLSB: assume no exotic codepage exists (no one else tries to write XLSB) - demo exposes rABS / worker / transferable options - more tests - jszip updated to 2.3.0 - SSF updated to 0.8.1 - codepage updated to 1.3.1
		
			
				
	
	
		
			62 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/* 9.3.2 OPC Relationships Markup */
 | 
						|
var RELS = {
 | 
						|
	WB: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
 | 
						|
	SHEET: "http://sheetjs.openxmlformats.org/officeDocument/2006/relationships/officeDocument"
 | 
						|
};
 | 
						|
 | 
						|
function parse_rels(data, currentFilePath) {
 | 
						|
	if (!data) return data;
 | 
						|
	if (currentFilePath.charAt(0) !== '/') {
 | 
						|
		currentFilePath = '/'+currentFilePath;
 | 
						|
	}
 | 
						|
	var rels = {};
 | 
						|
	var hash = {};
 | 
						|
	var resolveRelativePathIntoAbsolute = function (to) {
 | 
						|
		var toksFrom = currentFilePath.split('/');
 | 
						|
		toksFrom.pop(); // folder path
 | 
						|
		var toksTo = to.split('/');
 | 
						|
		var reversed = [];
 | 
						|
		while (toksTo.length !== 0) {
 | 
						|
			var tokTo = toksTo.shift();
 | 
						|
			if (tokTo === '..') {
 | 
						|
				toksFrom.pop();
 | 
						|
			} else if (tokTo !== '.') {
 | 
						|
				toksFrom.push(tokTo);
 | 
						|
			}
 | 
						|
		}
 | 
						|
		return toksFrom.join('/');
 | 
						|
	};
 | 
						|
 | 
						|
	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 : resolveRelativePathIntoAbsolute(y.Target);
 | 
						|
			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) {
 | 
						|
	var o = [];
 | 
						|
	o[o.length] = (XML_HEADER);
 | 
						|
	o[o.length] = (RELS_ROOT);
 | 
						|
	keys(rels['!id']).forEach(function(rid) { var rel = rels['!id'][rid];
 | 
						|
		o[o.length] = (writextag('Relationship', null, rel));
 | 
						|
	});
 | 
						|
	if(o.length>2){ o[o.length] = ('</Relationships>'); o[1]=o[1].replace("/>",">"); }
 | 
						|
	return o.join("");
 | 
						|
}
 |