sheetjs-clone/bits/31_rels.js
SheetJS ab2ecebac9 version bump 0.8.3: BIFF2 read/write
- basic support for parsing BIFF2-4
- basic support for writing BIFF2
- cleaned up some bad substr uses for IE6 compatibility
- added flow type annotations for xlsx.flow.js
- added numerous null guards (fixes #255 h/t @martinheidegger)
- README cleanup (fixes #539 h/t @oliversalzburg)
- pin jszip to local version (closes #408 h/t @limouri)

bower issues:

|  id  | author            | comment                                   |
|-----:|:------------------|:------------------------------------------|
| #254 | @kkirsche         | fixes #254 by removing version from json  |
| #165 | @vincentcialdella | fixes #165 by changing default script     |
| #180 | @owencraig        | fixes #180 by using xlsx.core.min.js      |

format issues:

|  id  | author            | comment                                   |
|-----:|:------------------|:------------------------------------------|
| #271 | @morstaine        | fixes #271 by reworking related parse fns |
| #504 | @JanSchuermannPH  | fixes #504 detect FullPaths h/t @Mithgol  |
| #508 | @basma-emad       | fixes #508 offending file used `x:` NS    |
2017-02-10 11:23:29 -08:00

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"
}/*:any*/);
function parse_rels(data/*:?string*/, currentFilePath/*:string*/) {
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)/*:string*/ {
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("");
}