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patches to RDF support

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This commit is contained in:
Simon Kornblith 2010-02-06 23:39:28 +00:00
parent 54c0b40870
commit 7f70af0c1f
3 changed files with 75 additions and 34 deletions
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2
chrome/content/zotero/xpcom/rdf.js
View file

@ -2,5 +2,5 @@
// Zotero.RDF.AJAW namespace.
var kb = new RDFIndexedFormula();
var tabulator = {log:{debug:function(arg) {
Zotero.debug(arg);
Zotero.debug(arg, 4);
}}};

14
chrome/content/zotero/xpcom/rdf/serialize.js
View file

@ -580,6 +580,7 @@ __Serializer.prototype.statementsToXML = function(sts) {
var type = null;
var results = []
Zotero.debug(sz.toStr(subject));
var sts = subjects[sz.toStr(subject)]; // relevant statements
sts.sort();
for (var i=0; i<sts.length; i++) {
@ -604,9 +605,14 @@ __Serializer.prototype.statementsToXML = function(sts) {
switch (st.object.termType) {
case 'bnode':
results = results.concat(['<'+qname(st.predicate)+'>',
subjectXMLTree(st.object, subjects, true),
'</'+qname(st.predicate)+'>']);
if(sz.incoming[st.object].length == 1) {
results = results.concat(['<'+qname(st.predicate)+'>',
subjectXMLTree(st.object, subjects, true),
'</'+qname(st.predicate)+'>']);
} else {
results = results.concat(['<'+qname(st.predicate)+' rdf:nodeID="'
+st.object.toNT().slice(2)+'"/>']);
}
break;
case 'symbol':
results = results.concat(['<'+qname(st.predicate)+' rdf:resource="'
@ -636,7 +642,7 @@ __Serializer.prototype.statementsToXML = function(sts) {
attrs = '';
if (subject.termType == 'bnode') {
if(!referenced || sz.incoming[subject].length != 1) { // not an anonymous bnode
attrs = ' rdf:ID="'+subject.toNT().slice(2)+'"';
attrs = ' rdf:nodeID="'+subject.toNT().slice(2)+'"';
}
} else {
attrs = ' rdf:about="'+ relURI(subject)+'"';

93
chrome/content/zotero/xpcom/translate.js
View file

@ -687,7 +687,7 @@ Zotero.Translate.prototype._loadTranslator = function() {
// parse detect code for the translator
if(!this._parseCode(this.translator[0])) {
this._translationComplete(false);
this._translationComplete(false, "parse error");
return false;
}
@ -1148,7 +1148,7 @@ Zotero.Translate.prototype._reportTranslationFailure = function(errorData) {
Zotero.Translate.prototype._closeStreams = function() {
// serialize RDF and unregister dataSource
if(this._rdf) {
if(this.type == "export" && this._streams.length) {
if(this.type == "export") {
// initialize serializer and add prefixes
var serializer = Serializer();
for(var prefix in this._rdf.namespaces) {
@ -1162,12 +1162,17 @@ Zotero.Translate.prototype._closeStreams = function() {
var output = serializer.statementsToXML(this._rdf.statements);
}
// write serialized data to file
var intlStream = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
.createInstance(Components.interfaces.nsIConverterOutputStream);
intlStream.init(this._streams[0], "UTF-8", 4096, "?".charCodeAt(0));
this._streams.push(intlStream);
intlStream.writeString(output);
if(this._streams.length) {
Zotero.debug("writing to stream");
// write serialized data to file
var intlStream = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
.createInstance(Components.interfaces.nsIConverterOutputStream);
intlStream.init(this._streams[0], "UTF-8", 4096, "?".charCodeAt(0));
this._streams.push(intlStream);
intlStream.writeString(output);
} else {
this.output = output;
}
}
delete this._rdf;
@ -1468,12 +1473,19 @@ Zotero.Translate.prototype._itemDone = function(item, attachedTo) {
// if field is in db
// try to map from base field
Zotero.debug(Zotero.ItemFields.getFieldIDFromTypeAndBase(19, 7));
if(Zotero.ItemFields.isBaseField(fieldID)) {
var fieldID = Zotero.ItemFields.getFieldIDFromTypeAndBase(typeID, fieldID);
if(fieldID) Zotero.debug("Translate: Mapping "+field+" to "+Zotero.ItemFields.getName(fieldID), 5);
if(fieldID) {
Zotero.debug("Translate: Mapping "+field+" to "+Zotero.ItemFields.getName(fieldID), 5);
} else {
}
}
Zotero.debug(fieldID);
// if field is valid for this type, set field
Zotero.debug(Zotero.ItemFields.getName(Zotero.ItemFields.getID(field)));
Zotero.debug("Translate: testing "+fieldID+" "+typeID);
if(fieldID && Zotero.ItemFields.isValidForType(fieldID, typeID)) {
newItem.setField(fieldID, data);
} else {
@ -1889,7 +1901,7 @@ Zotero.Translate.prototype._importConfigureIO = function(charset) {
var sStream = null;
var bomLength = 0;
if(!charset && this._charset) charset = this._charset;
if(!charset || (charset && charset.length > 3 && charset.substr(0, 3) == "UTF")) {
if(!charset || (charset && charset.length > 3 && charset.substr(0, 3).toUpperCase() == "UTF")) {
// seek past BOM
var bomCharset = this._importGetBOM();
var bomLength = (bomCharset ? BOMs[bomCharset].length : 0);
@ -2223,15 +2235,17 @@ Zotero.Translate.prototype._exportConfigureIO = function() {
fStream.init(this.location, 0x02 | 0x08 | 0x20, 0664, 0); // write, create, truncate
// attach to stack of streams to close at the end
this._streams.push(fStream);
}
if(this.configOptions.dataMode && (this.configOptions.dataMode == "rdf" || this.configOptions.dataMode == "rdf/n3")) { // rdf io
// initialize data store
this._rdf = new Zotero.RDF.AJAW.RDFIndexedFormula();
if(this.configOptions.dataMode && (this.configOptions.dataMode == "rdf" || this.configOptions.dataMode == "rdf/n3")) { // rdf io
// initialize data store
this._rdf = new Zotero.RDF.AJAW.RDFIndexedFormula();
// add RDF features to sandbox
this._sandbox.Zotero.RDF = new Zotero.Translate.RDF(this._rdf);
} else {
// regular io; write just writes to file
// add RDF features to sandbox
this._sandbox.Zotero.RDF = new Zotero.Translate.RDF(this._rdf);
} else {
// regular io; write just writes to file or string
if(this.location) {
var intlStream = null;
var writtenToStream = false;
var streamCharset = null;
@ -2278,17 +2292,17 @@ Zotero.Translate.prototype._exportConfigureIO = function() {
writtenToStream = true;
};
} else {
var me = this;
this.output = "";
// dummy setCharacterSet function
this._sandbox.Zotero.setCharacterSet = function() {};
// write to string
this._sandbox.Zotero.write = function(data) {
me.output += data;
};
}
} else {
var me = this;
this.output = "";
// dummy setCharacterSet function
this._sandbox.Zotero.setCharacterSet = function() {};
// write to string
this._sandbox.Zotero.write = function(data) {
me.output += data;
};
}
}
@ -2877,7 +2891,7 @@ Zotero.Translate.RDF.prototype.getArcsIn = function(resource) {
Zotero.Translate.RDF.prototype.getArcsOut = function(resource) {
var statements = this._dataStore.subjectIndex[this._dataStore.canon(this._getResource(resource))];
if(!statements) return false;
return [s.predicate for each(s in statements)];
return [s.predicate.uri for each(s in statements)];
}
// gets source resources
@ -2892,4 +2906,25 @@ Zotero.Translate.RDF.prototype.getTargets = function(resource, property) {
var statements = this._dataStore.statementsMatching(this._getResource(resource), this._getResource(property));
if(!statements.length) return false;
return [(s.object.termType == "literal" ? s.object.toString() : s.object) for each(s in statements)];
}
/**
* Gets statements matching a certain pattern
*
* @param {String|Zotero.RDF.AJAW.RDFSymbol} subj Subject
* @param {String|Zotero.RDF.AJAW.RDFSymbol} predicate Predicate
* @param {String|Zotero.RDF.AJAW.RDFSymbol} obj Object
* @param {Boolean} objLiteral Whether the object is a literal (as
* opposed to a URI)
* @param {Boolean} justOne Whether to stop when a single result is
* retrieved
*/
Zotero.Translate.RDF.prototype.getStatementsMatching = function(subj, pred, obj, objLiteral, justOne) {
var statements = this._dataStore.statementsMatching(
(subj ? this._getResource(subj) : undefined),
(pred ? this._getResource(pred) : undefined),
(obj ? (objLiteral ? objLiteral : this._getResource(obj)) : undefined),
undefined, justOne);
if(!statements.length) return false;
return [[s.subject, s.predicate, (s.object.termType == "literal" ? s.object.toString() : s.object)] for each(s in statements)];
}