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Merge pull request #461 from aurimasv/rdf-qname

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[RDF] QNAME fixes
This commit is contained in:
Simon Kornblith 2014-04-27 18:08:49 -04:00
commit 87dc1cc27a
1 changed files with 36 additions and 30 deletions
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66
chrome/content/zotero/xpcom/rdf/serialize.js
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@ -90,23 +90,33 @@ $rdf.Serializer = function () {
for(var ns in sz.prefixes) {
namespaces[sz.prefixes[ns]] = ns; // reverse index
}
if('#/'.indexOf(p[p.length - 1]) >= 0) p = p.slice(0, -1);
var slash = p.lastIndexOf('/');
if(slash >= 0) p = p.slice(slash + 1);
var i = 0;
while(i < p.length)
if(sz.prefixchars.indexOf(p[i]))
// trim off illegal characters from the end
var i;
for(i = p.length - 1; i>=0; i--) {
if(sz._notNameChars.indexOf(p.charAt(i)) == -1) break;
}
p = p.substring(0, i+1);
if(p) {
// find shortest possible NCName to use as namespace name
for(i = p.length - 1; i>=0; i--) {
if(sz._notNameChars.indexOf(p.charAt(i)) != -1) break;
}
i++;
else
break;
p = p.slice(0, i);
if(p.length < 6 && canUse(p)) return pok; // exact i sbest
if(canUse(p.slice(0, 3))) return pok;
if(canUse(p.slice(0, 2))) return pok;
if(canUse(p.slice(0, 4))) return pok;
if(canUse(p.slice(0, 1))) return pok;
if(canUse(p.slice(0, 5))) return pok;
for(var i = 0;; i++) if(canUse(p.slice(0, 3) + i)) return pok;
p = p.substr(i);
if(p.length < 6 && canUse(p)) return pok; // exact is best
if(canUse(p.slice(0, 3))) return pok;
if(canUse(p.slice(0, 2))) return pok;
if(canUse(p.slice(0, 4))) return pok;
if(canUse(p.slice(0, 1))) return pok;
if(canUse(p.slice(0, 5))) return pok;
p = p.slice(0, 3);
} else {
// no suitable characters (weird), fall back to 'ns'
p = 'ns';
if(canUse(p)) return pok;
}
for(var i = 0;; i++) if(canUse(p + i)) return pok;
}
@ -267,8 +277,13 @@ $rdf.Serializer = function () {
return this.statementsToN3(f.statements);
}
__Serializer.prototype._notQNameChars = "\t\r\n !\"#$%&'()*.,+/;<=>?@[\\]^`{|}~";
__Serializer.prototype._notQNameChars = "\t\r\n !\"#$%&'()*,+/;<=>?@[\\]^`{|}~";
__Serializer.prototype._notNameChars = (__Serializer.prototype._notQNameChars + ":");
__Serializer.prototype._NCNameRegExp = (function() {
// escape characters that are unsafe inside RegExp character set
var reSafeChars = __Serializer.prototype._notNameChars.replace(/[-\]\\]/g, '\\$&');
return new RegExp('[^0-9\\-.' + reSafeChars + '][^' + reSafeChars + ']*$');
})();
__Serializer.prototype.statementsToN3 = function (sts) {
@ -822,20 +837,11 @@ $rdf.Serializer = function () {
function qname(term) {
var uri = term.uri;
var j = uri.indexOf('#');
if(j < 0 && sz.flags.indexOf('/') < 0) {
j = uri.lastIndexOf('/');
}
var j = uri.search(sz._NCNameRegExp);
if(j < 0) throw("Cannot make qname out of <" + uri + ">")
var canSplit = true;
for(var k = j + 1; k < uri.length; k++) {
if(__Serializer.prototype._notNameChars.indexOf(uri[k]) >= 0) {
throw('Invalid character "' + uri[k] + '" cannot be in XML qname for URI: ' + uri);
}
}
var localid = uri.slice(j + 1);
var namesp = uri.slice(0, j + 1);
var localid = uri.substr(j);
var namesp = uri.substr(0, j);
if(sz.defaultNamespace
&& sz.defaultNamespace == namesp
&& sz.flags.indexOf('d') < 0) { // d -> suppress default