graph-rdfa-processor
Version:
Green turtle GraphRdfaProcessor extracted and available as a commonJS module
849 lines (784 loc) • 37 kB
JavaScript
import URIResolver from './uri-resolver';
import Node from './node';
export default class RDFaProcessor extends URIResolver {
constructor(targetObject) {
super();
if (targetObject) {
this.target = targetObject;
} else {
this.target = {
graph: {
subjects: {},
prefixes: {},
terms: {}
}
};
}
this.theOne = "_:"+(new Date()).getTime();
this.language = null;
this.vocabulary = null;
this.blankCounter = 0;
this.langAttributes = [ { namespaceURI: "http://www.w3.org/XML/1998/namespace", localName: "lang" } ];
this.inXHTMLMode = false;
this.absURIRE = /[\w\_\-]+:\S+/;
this.finishedHandlers = [];
this.init();
}
newBlankNode() {
this.blankCounter++;
return "_:"+this.blankCounter;
}
tokenize(str) {
return RDFaProcessor.trim(str).split(/\s+/);
}
parseSafeCURIEOrCURIEOrURI(value,prefixes,base) {
value = RDFaProcessor.trim(value);
if (value.charAt(0)=='[' && value.charAt(value.length-1)==']') {
value = value.substring(1,value.length-1);
value = value.trim(value);
if (value.length==0) {
return null;
}
if (value=="_:") {
// the one node
return this.theOne;
}
return this.parseCURIE(value,prefixes,base);
} else {
return this.parseCURIEOrURI(value,prefixes,base);
}
}
parseCURIE(value,prefixes,base) {
var colon = value.indexOf(":");
if (colon>=0) {
var prefix = value.substring(0,colon);
if (prefix=="") {
// default prefix
var uri = prefixes[""];
return uri ? uri+value.substring(colon+1) : null;
} else if (prefix=="_") {
// blank node
return "_:"+value.substring(colon+1);
} else if (RDFaProcessor.NCNAME.test(prefix)) {
var uri = prefixes[prefix];
if (uri) {
return uri+value.substring(colon+1);
}
}
}
return null;
}
parseCURIEOrURI(value,prefixes,base) {
var curie = this.parseCURIE(value,prefixes,base);
if (curie) {
return curie;
}
return this.resolveAndNormalize(base,value);
}
parsePredicate(value,defaultVocabulary,terms,prefixes,base,ignoreTerms) {
if (value=="") {
return null;
}
var predicate = this.parseTermOrCURIEOrAbsURI(value,defaultVocabulary,ignoreTerms ? null : terms,prefixes,base);
if (predicate && predicate.indexOf("_:")==0) {
return null;
}
return predicate;
}
parseTermOrCURIEOrURI(value,defaultVocabulary,terms,prefixes,base) {
//alert("Parsing "+value+" with default vocab "+defaultVocabulary);
value = RDFaProcessor.trim(value);
var curie = this.parseCURIE(value,prefixes,base);
if (curie) {
return curie;
} else {
var term = terms[value];
if (term) {
return term;
}
var lcvalue = value.toLowerCase();
term = terms[lcvalue];
if (term) {
return term;
}
if (defaultVocabulary && !this.absURIRE.exec(value)) {
return defaultVocabulary+value
}
}
return this.resolveAndNormalize(base,value);
}
parseTermOrCURIEOrAbsURI(value,defaultVocabulary,terms,prefixes,base) {
//alert("Parsing "+value+" with default vocab "+defaultVocabulary);
value = RDFaProcessor.trim(value);
var curie = this.parseCURIE(value,prefixes,base);
if (curie) {
return curie;
} else if (terms) {
if (defaultVocabulary && !this.absURIRE.exec(value)) {
return defaultVocabulary+value
}
var term = terms[value];
if (term) {
return term;
}
var lcvalue = value.toLowerCase();
term = terms[lcvalue];
if (term) {
return term;
}
}
if (this.absURIRE.exec(value)) {
return this.resolveAndNormalize(base,value);
}
return null;
}
resolveAndNormalize(base,href) {
var u = base.resolve(href);
var parsed = this.parseURI(u);
parsed.normalize();
return parsed.spec;
}
parsePrefixMappings(str,target) {
var values = this.tokenize(str);
var prefix = null;
var uri = null;
for (var i=0; i < values.length; i++) {
if (values[i][values[i].length-1]==':') {
prefix = values[i].substring(0,values[i].length-1);
} else if (prefix) {
target[prefix] = this.target.baseURI ? this.target.baseURI.resolve(values[i]) : values[i];
prefix = null;
}
}
}
copyMappings(mappings) {
var newMappings = {};
for (var k in mappings) {
newMappings[k] = mappings[k];
}
return newMappings;
}
ancestorPath(node) {
var path = "";
while (node && node.nodeType!=Node.DOCUMENT_NODE) {
path = "/"+node.localName+path;
node = node.parentNode;
}
return path;
}
setContext(node) {
// We only recognized XHTML+RDFa 1.1 if the version is set propertyly
if (node.localName=="html" && node.getAttribute("version")=="XHTML+RDFa 1.1") {
this.setXHTMLContext();
} else if (node.localName=="html" || node.namespaceURI=="http://www.w3.org/1999/xhtml") {
if (node.ownerDocument.doctype) {
if (node.ownerDocument.doctype.publicId=="-//W3C//DTD XHTML+RDFa 1.0//EN" && node.ownerDocument.doctype.systemId=="http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd") {
console.log("WARNING: RDF 1.0 is not supported. Defaulting to HTML5 mode.");
this.setHTMLContext();
} else if (node.ownerDocument.doctype.publicId=="-//W3C//DTD XHTML+RDFa 1.1//EN" && node.ownerDocument.doctype.systemId=="http://www.w3.org/MarkUp/DTD/xhtml-rdfa-2.dtd") {
this.setXHTMLContext();
} else {
this.setHTMLContext();
}
} else {
this.setHTMLContext();
}
} else {
this.setXMLContext();
}
}
setInitialContext() {
this.vocabulary = null;
// By default, the prefixes are terms are loaded to the RDFa 1.1. standard within the graph constructor
this.langAttributes = [ { namespaceURI: "http://www.w3.org/XML/1998/namespace", localName: "lang" } ];
}
setXMLContext() {
this.setInitialContext();
this.inXHTMLMode = false;
this.inHTMLMode = false;
}
setHTMLContext() {
this.setInitialContext();
this.langAttributes = [ { namespaceURI: "http://www.w3.org/XML/1998/namespace", localName: "lang" },
{ namespaceURI: null, localName: "lang" }];
this.inXHTMLMode = false;
this.inHTMLMode = true;
}
setXHTMLContext() {
this.setInitialContext();
this.inXHTMLMode = true;
this.inHTMLMode = false;
this.langAttributes = [ { namespaceURI: "http://www.w3.org/XML/1998/namespace", localName: "lang" },
{ namespaceURI: null, localName: "lang" }];
// From http://www.w3.org/2011/rdfa-context/xhtml-rdfa-1.1
this.target.graph.terms["alternate"] = "http://www.w3.org/1999/xhtml/vocab#alternate";
this.target.graph.terms["appendix"] = "http://www.w3.org/1999/xhtml/vocab#appendix";
this.target.graph.terms["bookmark"] = "http://www.w3.org/1999/xhtml/vocab#bookmark";
this.target.graph.terms["cite"] = "http://www.w3.org/1999/xhtml/vocab#cite"
this.target.graph.terms["chapter"] = "http://www.w3.org/1999/xhtml/vocab#chapter";
this.target.graph.terms["contents"] = "http://www.w3.org/1999/xhtml/vocab#contents";
this.target.graph.terms["copyright"] = "http://www.w3.org/1999/xhtml/vocab#copyright";
this.target.graph.terms["first"] = "http://www.w3.org/1999/xhtml/vocab#first";
this.target.graph.terms["glossary"] = "http://www.w3.org/1999/xhtml/vocab#glossary";
this.target.graph.terms["help"] = "http://www.w3.org/1999/xhtml/vocab#help";
this.target.graph.terms["icon"] = "http://www.w3.org/1999/xhtml/vocab#icon";
this.target.graph.terms["index"] = "http://www.w3.org/1999/xhtml/vocab#index";
this.target.graph.terms["last"] = "http://www.w3.org/1999/xhtml/vocab#last";
this.target.graph.terms["license"] = "http://www.w3.org/1999/xhtml/vocab#license";
this.target.graph.terms["meta"] = "http://www.w3.org/1999/xhtml/vocab#meta";
this.target.graph.terms["next"] = "http://www.w3.org/1999/xhtml/vocab#next";
this.target.graph.terms["prev"] = "http://www.w3.org/1999/xhtml/vocab#prev";
this.target.graph.terms["previous"] = "http://www.w3.org/1999/xhtml/vocab#previous";
this.target.graph.terms["section"] = "http://www.w3.org/1999/xhtml/vocab#section";
this.target.graph.terms["stylesheet"] = "http://www.w3.org/1999/xhtml/vocab#stylesheet";
this.target.graph.terms["subsection"] = "http://www.w3.org/1999/xhtml/vocab#subsection";
this.target.graph.terms["start"] = "http://www.w3.org/1999/xhtml/vocab#start";
this.target.graph.terms["top"] = "http://www.w3.org/1999/xhtml/vocab#top";
this.target.graph.terms["up"] = "http://www.w3.org/1999/xhtml/vocab#up";
this.target.graph.terms["p3pv1"] = "http://www.w3.org/1999/xhtml/vocab#p3pv1";
// other
this.target.graph.terms["related"] = "http://www.w3.org/1999/xhtml/vocab#related";
this.target.graph.terms["role"] = "http://www.w3.org/1999/xhtml/vocab#role";
this.target.graph.terms["transformation"] = "http://www.w3.org/1999/xhtml/vocab#transformation";
}
init() {
}
newSubjectOrigin(origin,subject) {
}
addTriple(origin,subject,predicate,object) {
}
process(node, options) {
if (node.nodeType==Node.DOCUMENT_NODE) {
node = node.documentElement;
this.setContext(node);
} else if (node.parentNode.nodeType==Node.DOCUMENT_NODE) {
this.setContext(node);
}
var queue = [];
// Fix for Firefox that includes the hash in the base URI
var removeHash = function(baseURI) {
var hash = baseURI.indexOf("#");
if (hash>=0) {
baseURI = baseURI.substring(0,hash);
}
if (options && options.baseURIMap) {
baseURI = options.baseURIMap(baseURI);
}
return baseURI;
}
queue.push({ current: node, context: this.push(null,removeHash(node.baseURI))});
while (queue.length>0) {
var item = queue.shift();
if (item.parent) {
// Sequence Step 14: list triple generation
if (item.context.parent && item.context.parent.listMapping==item.listMapping) {
// Skip a child context with exactly the same mapping
continue;
}
//console.log("Generating lists for "+item.subject+", tag "+item.parent.localName);
for (var predicate in item.listMapping) {
var list = item.listMapping[predicate];
if (list.length==0) {
this.addTriple(item.parent,item.subject,predicate,{ type: RDFaProcessor.objectURI, value: "http://www.w3.org/1999/02/22-rdf-syntax-ns#nil" });
continue;
}
var bnodes = [];
for (var i=0; i < list.length; i++) {
bnodes.push(this.newBlankNode());
//this.newSubject(item.parent,bnodes[i]);
}
for (var i=0; i < bnodes.length; i++) {
this.addTriple(item.parent,bnodes[i],"http://www.w3.org/1999/02/22-rdf-syntax-ns#first",list[i]);
this.addTriple(item.parent,bnodes[i],"http://www.w3.org/1999/02/22-rdf-syntax-ns#rest",{ type: RDFaProcessor.objectURI , value: (i+1) < bnodes.length ? bnodes[i+1] : "http://www.w3.org/1999/02/22-rdf-syntax-ns#nil" });
}
this.addTriple(item.parent,item.subject,predicate, { type: RDFaProcessor.objectURI, value: bnodes[0] });
}
continue;
}
var current = item.current;
var context = item.context;
//console.log("Tag: "+current.localName+", listMapping="+JSON.stringify(context.listMapping));
// Sequence Step 1
var skip = false;
var newSubject = null;
var currentObjectResource = null;
var typedResource = null;
var prefixes = context.prefixes;
var prefixesCopied = false;
var incomplete = [];
var listMapping = context.listMapping;
var listMappingDifferent = context.parent ? false : true;
var language = context.language;
var vocabulary = context.vocabulary;
// TODO: the "base" element may be used for HTML+RDFa 1.1
var base;
if (!current.baseURI) {
if (this.target.baseURI) {
base = this.target.baseURI;
} else {
throw new Error('node.baseURI was null as baseURI must be specified as an option');
}
} else if (current.baseURI === 'about:blank') {
if (this.target.baseURI) {
base = this.target.baseURI;
} else {
throw new Error('node.baseURI is about:blank a valid URL must be provided with the baseURI option. If you use JSDOM call it with an `url` parameter or, set the baseURI option of this library');
}
} else {
base = this.parseURI(removeHash(current.baseURI));
}
current.item = null;
// Sequence Step 2: set the default vocabulary
var vocabAtt = current.getAttributeNode("vocab");
if (vocabAtt) {
var value = RDFaProcessor.trim(vocabAtt.value);
if (value.length>0) {
vocabulary = value;
var baseSubject = base.spec;
//this.newSubject(current,baseSubject);
this.addTriple(current,baseSubject,"http://www.w3.org/ns/rdfa#usesVocabulary",{ type: RDFaProcessor.objectURI , value: vocabulary});
} else {
vocabulary = this.vocabulary;
}
}
// Sequence Step 3: IRI mappings
// handle xmlns attributes
for (var i=0; i < current.attributes.length; i++) {
var att = current.attributes[i];
//if (att.namespaceURI=="http://www.w3.org/2000/xmlns/") {
if (att.name.charAt(0)=="x" && att.name.indexOf("xmlns:")==0) {
if (!prefixesCopied) {
prefixes = this.copyMappings(prefixes);
prefixesCopied = true;
}
var prefix = att.name.substring(6);
// TODO: resolve relative?
var ref = RDFaProcessor.trim(att.value);
prefixes[prefix] = this.target.baseURI ? this.target.baseURI.resolve(ref) : ref;
}
}
// Handle prefix mappings (@prefix)
var prefixAtt = current.getAttributeNode("prefix");
if (prefixAtt) {
if (!prefixesCopied) {
prefixes = this.copyMappings(prefixes);
prefixesCopied = true;
}
this.parsePrefixMappings(prefixAtt.value,prefixes);
}
// Sequence Step 4: language
var xmlLangAtt = null;
for (var i=0; !xmlLangAtt && i < this.langAttributes.length; i++) {
xmlLangAtt = current.getAttributeNodeNS(this.langAttributes[i].namespaceURI,this.langAttributes[i].localName);
}
if (xmlLangAtt) {
var value = RDFaProcessor.trim(xmlLangAtt.value);
if (value.length>0) {
language = value;
} else {
language = null;
}
}
var relAtt = current.getAttributeNode("rel");
var revAtt = current.getAttributeNode("rev");
var typeofAtt = current.getAttributeNode("typeof");
var propertyAtt = current.getAttributeNode("property");
var datatypeAtt = current.getAttributeNode("datatype");
var datetimeAtt = this.inHTMLMode ? current.getAttributeNode("datetime") : null;
var contentAtt = current.getAttributeNode("content");
var aboutAtt = current.getAttributeNode("about");
var srcAtt = current.getAttributeNode("src");
var resourceAtt = current.getAttributeNode("resource");
var hrefAtt = current.getAttributeNode("href");
var inlistAtt = current.getAttributeNode("inlist");
var relAttPredicates = [];
if (relAtt) {
var values = this.tokenize(relAtt.value);
for (var i=0; i < values.length; i++) {
var predicate = this.parsePredicate(values[i],vocabulary,context.terms,prefixes,base,this.inHTMLMode && propertyAtt!=null);
if (predicate) {
relAttPredicates.push(predicate);
}
}
}
var revAttPredicates = [];
if (revAtt) {
var values = this.tokenize(revAtt.value);
for (var i=0; i < values.length; i++) {
var predicate = this.parsePredicate(values[i],vocabulary,context.terms,prefixes,base,this.inHTMLMode && propertyAtt!=null);
if (predicate) {
revAttPredicates.push(predicate);
}
}
}
// Section 3.1, bullet 7
if (this.inHTMLMode && (relAtt!=null || revAtt!=null) && propertyAtt!=null) {
if (relAttPredicates.length==0) {
relAtt = null;
}
if (revAttPredicates.length==0) {
revAtt = null;
}
}
if (relAtt || revAtt) {
// Sequence Step 6: establish new subject and value
if (aboutAtt) {
newSubject = this.parseSafeCURIEOrCURIEOrURI(aboutAtt.value,prefixes,base);
}
if (typeofAtt) {
typedResource = newSubject;
}
if (!newSubject) {
if (current.parentNode.nodeType==Node.DOCUMENT_NODE) {
newSubject = removeHash(current.baseURI);
} else if (context.parentObject) {
// TODO: Verify: If the xml:base has been set and the parentObject is the baseURI of the parent, then the subject needs to be the new base URI
newSubject = removeHash(current.parentNode.baseURI)==context.parentObject ? removeHash(current.baseURI) : context.parentObject;
}
}
if (resourceAtt) {
currentObjectResource = this.parseSafeCURIEOrCURIEOrURI(resourceAtt.value,prefixes,base);
}
if (!currentObjectResource) {
if (hrefAtt) {
currentObjectResource = this.resolveAndNormalize(base,encodeURI(hrefAtt.value));
} else if (srcAtt) {
currentObjectResource = this.resolveAndNormalize(base,encodeURI(srcAtt.value));
} else if (typeofAtt && !aboutAtt && !(this.inXHTMLMode && (current.localName=="head" || current.localName=="body"))) {
currentObjectResource = this.newBlankNode();
}
}
if (typeofAtt && !aboutAtt && this.inXHTMLMode && (current.localName=="head" || current.localName=="body")) {
typedResource = newSubject;
} else if (typeofAtt && !aboutAtt) {
typedResource = currentObjectResource;
}
} else if (propertyAtt && !contentAtt && !datatypeAtt) {
// Sequence Step 5.1: establish a new subject
if (aboutAtt) {
newSubject = this.parseSafeCURIEOrCURIEOrURI(aboutAtt.value,prefixes,base);
if (typeofAtt) {
typedResource = newSubject;
}
}
if (!newSubject && current.parentNode.nodeType==Node.DOCUMENT_NODE) {
newSubject = removeHash(current.baseURI);
if (typeofAtt) {
typedResource = newSubject;
}
} else if (!newSubject && context.parentObject) {
// TODO: Verify: If the xml:base has been set and the parentObject is the baseURI of the parent, then the subject needs to be the new base URI
newSubject = removeHash(current.parentNode.baseURI)==context.parentObject ? removeHash(current.baseURI) : context.parentObject;
}
if (typeofAtt && !typedResource) {
if (resourceAtt) {
typedResource = this.parseSafeCURIEOrCURIEOrURI(resourceAtt.value,prefixes,base);
}
if (!typedResource &&hrefAtt) {
typedResource = this.resolveAndNormalize(base,encodeURI(hrefAtt.value));
}
if (!typedResource && srcAtt) {
typedResource = this.resolveAndNormalize(base,encodeURI(srcAtt.value));
}
if (!typedResource && (this.inXHTMLMode || this.inHTMLMode) && (current.localName=="head" || current.localName=="body")) {
typedResource = newSubject;
}
if (!typedResource) {
typedResource = this.newBlankNode();
}
currentObjectResource = typedResource;
}
//console.log(current.localName+", newSubject="+newSubject+", typedResource="+typedResource+", currentObjectResource="+currentObjectResource);
} else {
// Sequence Step 5.2: establish a new subject
if (aboutAtt) {
newSubject = this.parseSafeCURIEOrCURIEOrURI(aboutAtt.value,prefixes,base);
}
if (!newSubject && resourceAtt) {
newSubject = this.parseSafeCURIEOrCURIEOrURI(resourceAtt.value,prefixes,base);
}
if (!newSubject && hrefAtt) {
newSubject = this.resolveAndNormalize(base,encodeURI(hrefAtt.value));
}
if (!newSubject && srcAtt) {
newSubject = this.resolveAndNormalize(base,encodeURI(srcAtt.value));
}
if (!newSubject) {
if (current.parentNode.nodeType==Node.DOCUMENT_NODE) {
newSubject = removeHash(current.baseURI);
} else if ((this.inXHTMLMode || this.inHTMLMode) && (current.localName=="head" || current.localName=="body")) {
newSubject = removeHash(current.parentNode.baseURI)==context.parentObject ? removeHash(current.baseURI) : context.parentObject;
} else if (typeofAtt) {
newSubject = this.newBlankNode();
} else if (context.parentObject) {
// TODO: Verify: If the xml:base has been set and the parentObject is the baseURI of the parent, then the subject needs to be the new base URI
newSubject = removeHash(current.parentNode.baseURI)==context.parentObject ? removeHash(current.baseURI) : context.parentObject;
if (!propertyAtt) {
skip = true;
}
}
}
if (typeofAtt) {
typedResource = newSubject;
}
}
//console.log(current.tagName+": newSubject="+newSubject+", currentObjectResource="+currentObjectResource+", typedResource="+typedResource+", skip="+skip);
var rdfaData = null;
if (newSubject) {
//this.newSubject(current,newSubject);
if (aboutAtt || resourceAtt || typedResource) {
var id = newSubject;
if (typeofAtt && !aboutAtt && !resourceAtt && currentObjectResource) {
id = currentObjectResource;
}
//console.log("Setting data attribute for "+current.localName+" for subject "+id);
this.newSubjectOrigin(current,id);
}
}
// Sequence Step 7: generate type triple
if (typedResource) {
var values = this.tokenize(typeofAtt.value);
for (var i=0; i < values.length; i++) {
var object = this.parseTermOrCURIEOrAbsURI(values[i],vocabulary,context.terms,prefixes,base);
if (object) {
this.addTriple(current,typedResource,RDFaProcessor.typeURI,{ type: RDFaProcessor.objectURI , value: object});
}
}
}
// Sequence Step 8: new list mappings if there is a new subject
//console.log("Step 8: newSubject="+newSubject+", context.parentObject="+context.parentObject);
if (newSubject && newSubject!=context.parentObject) {
//console.log("Generating new list mapping for "+newSubject);
listMapping = {};
listMappingDifferent = true;
}
// Sequence Step 9: generate object triple
if (currentObjectResource) {
if (relAtt && inlistAtt) {
for (var i=0; i < relAttPredicates.length; i++) {
var list = listMapping[relAttPredicates[i]];
if (!list) {
list = [];
listMapping[relAttPredicates[i]] = list;
}
list.push({ type: RDFaProcessor.objectURI, value: currentObjectResource });
}
} else if (relAtt) {
for (var i=0; i < relAttPredicates.length; i++) {
this.addTriple(current,newSubject,relAttPredicates[i],{ type: RDFaProcessor.objectURI, value: currentObjectResource});
}
}
if (revAtt) {
for (var i=0; i < revAttPredicates.length; i++) {
this.addTriple(current,currentObjectResource, revAttPredicates[i], { type: RDFaProcessor.objectURI, value: newSubject});
}
}
} else {
// Sequence Step 10: incomplete triples
if (newSubject && !currentObjectResource && (relAtt || revAtt)) {
currentObjectResource = this.newBlankNode();
//alert(current.tagName+": generated blank node, newSubject="+newSubject+" currentObjectResource="+currentObjectResource);
}
if (relAtt && inlistAtt) {
for (var i=0; i < relAttPredicates.length; i++) {
var list = listMapping[relAttPredicates[i]];
if (!list) {
list = [];
listMapping[predicate] = list;
}
//console.log("Adding incomplete list for "+predicate);
incomplete.push({ predicate: relAttPredicates[i], list: list });
}
} else if (relAtt) {
for (var i=0; i < relAttPredicates.length; i++) {
incomplete.push({ predicate: relAttPredicates[i], forward: true });
}
}
if (revAtt) {
for (var i=0; i < revAttPredicates.length; i++) {
incomplete.push({ predicate: revAttPredicates[i], forward: false });
}
}
}
// Step 11: Current property values
if (propertyAtt) {
var datatype = null;
var content = null;
if (datatypeAtt) {
datatype = datatypeAtt.value=="" ? RDFaProcessor.PlainLiteralURI : this.parseTermOrCURIEOrAbsURI(datatypeAtt.value,vocabulary,context.terms,prefixes,base);
if (datetimeAtt && !contentAtt) {
content = datetimeAtt.value;
} else {
content = datatype==RDFaProcessor.XMLLiteralURI || datatype==RDFaProcessor.HTMLLiteralURI ? null : (contentAtt ? contentAtt.value : current.textContent);
}
} else if (contentAtt) {
datatype = RDFaProcessor.PlainLiteralURI;
content = contentAtt.value;
} else if (datetimeAtt) {
content = datetimeAtt.value;
datatype = RDFaProcessor.deriveDateTimeType(content);
if (!datatype) {
datatype = RDFaProcessor.PlainLiteralURI;
}
} else if (!relAtt && !revAtt) {
if (resourceAtt) {
content = this.parseSafeCURIEOrCURIEOrURI(resourceAtt.value,prefixes,base);
}
if (!content && hrefAtt) {
content = this.resolveAndNormalize(base,encodeURI(hrefAtt.value));
} else if (!content && srcAtt) {
content = this.resolveAndNormalize(base,encodeURI(srcAtt.value));
}
if (content) {
datatype = RDFaProcessor.objectURI;
}
}
if (!datatype) {
if (typeofAtt && !aboutAtt) {
datatype = RDFaProcessor.objectURI;
content = typedResource;
} else {
content = current.textContent;
if (this.inHTMLMode && current.localName=="time") {
datatype = RDFaProcessor.deriveDateTimeType(content);
}
if (!datatype) {
datatype = RDFaProcessor.PlainLiteralURI;
}
}
}
var values = this.tokenize(propertyAtt.value);
for (var i=0; i < values.length; i++) {
var predicate = this.parsePredicate(values[i],vocabulary,context.terms,prefixes,base);
if (predicate) {
if (inlistAtt) {
var list = listMapping[predicate];
if (!list) {
list = [];
listMapping[predicate] = list;
}
list.push((datatype==RDFaProcessor.XMLLiteralURI || datatype==RDFaProcessor.HTMLLiteralURI) ? { type: datatype, value: current.childNodes} : { type: datatype ? datatype : RDFaProcessor.PlainLiteralURI, value: content, language: language});
} else {
if (datatype==RDFaProcessor.XMLLiteralURI || datatype==RDFaProcessor.HTMLLiteralURI) {
this.addTriple(current,newSubject,predicate,{ type: datatype, value: current.childNodes});
} else {
this.addTriple(current,newSubject,predicate,{ type: datatype ? datatype : RDFaProcessor.PlainLiteralURI, value: content, language: language});
//console.log(newSubject+" "+predicate+"="+content);
}
}
}
}
}
// Sequence Step 12: complete incomplete triples with new subject
if (newSubject && !skip) {
for (var i=0; i < context.incomplete.length; i++) {
if (context.incomplete[i].list) {
//console.log("Adding subject "+newSubject+" to list for "+context.incomplete[i].predicate);
// TODO: it is unclear what to do here
context.incomplete[i].list.push({ type: RDFaProcessor.objectURI, value: newSubject });
} else if (context.incomplete[i].forward) {
//console.log(current.tagName+": completing forward triple "+context.incomplete[i].predicate+" with object="+newSubject);
this.addTriple(current,context.subject,context.incomplete[i].predicate, { type: RDFaProcessor.objectURI, value: newSubject});
} else {
//console.log(current.tagName+": completing reverse triple with object="+context.subject);
this.addTriple(current,newSubject,context.incomplete[i].predicate,{ type: RDFaProcessor.objectURI, value: context.subject});
}
}
}
var childContext = null;
var listSubject = newSubject;
if (skip) {
// TODO: should subject be null?
childContext = this.push(context,context.subject);
// TODO: should the entObject be passed along? If not, then intermediary children will keep properties from being associated with incomplete triples.
// TODO: Verify: if the current baseURI has changed and the parentObject is the parent's base URI, then the baseURI should change
childContext.parentObject = removeHash(current.parentNode.baseURI)==context.parentObject ? removeHash(current.baseURI) : context.parentObject;
childContext.incomplete = context.incomplete;
childContext.language = language;
childContext.prefixes = prefixes;
childContext.vocabulary = vocabulary;
} else {
childContext = this.push(context,newSubject);
childContext.parentObject = currentObjectResource ? currentObjectResource : (newSubject ? newSubject : context.subject);
childContext.prefixes = prefixes;
childContext.incomplete = incomplete;
if (currentObjectResource) {
//console.log("Generating new list mapping for "+currentObjectResource);
listSubject = currentObjectResource;
listMapping = {};
listMappingDifferent = true;
}
childContext.listMapping = listMapping;
childContext.language = language;
childContext.vocabulary = vocabulary;
}
if (listMappingDifferent) {
//console.log("Pushing list parent "+current.localName);
queue.unshift({ parent: current, context: context, subject: listSubject, listMapping: listMapping});
}
for (var child = current.lastChild; child; child = child.previousSibling) {
if (child.nodeType==Node.ELEMENT_NODE) {
//console.log("Pushing child "+child.localName);
queue.unshift({ current: child, context: childContext});
}
}
}
if (this.inHTMLMode) {
this.copyProperties();
}
for (var i=0; i < this.finishedHandlers.length; i++) {
this.finishedHandlers[i](node);
}
}
copyProperties() {
}
push(parent,subject) {
return {
parent: parent,
subject: subject ? subject : (parent ? parent.subject : null),
parentObject: null,
incomplete: [],
listMapping: parent ? parent.listMapping : {},
language: parent ? parent.language : this.language,
prefixes: parent ? parent.prefixes : this.target.graph.prefixes,
terms: parent ? parent.terms : this.target.graph.terms,
vocabulary: parent ? parent.vocabulary : this.vocabulary
};
}
};
RDFaProcessor.XMLLiteralURI = "http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral";
RDFaProcessor.HTMLLiteralURI = "http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML";
RDFaProcessor.PlainLiteralURI = "http://www.w3.org/1999/02/22-rdf-syntax-ns#PlainLiteral";
RDFaProcessor.objectURI = "http://www.w3.org/1999/02/22-rdf-syntax-ns#object";
RDFaProcessor.typeURI = "http://www.w3.org/1999/02/22-rdf-syntax-ns#type";
RDFaProcessor.nameChar = '[-A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u10000-\uEFFFF\.0-9\u00B7\u0300-\u036F\u203F-\u2040]';
RDFaProcessor.nameStartChar = '[\u0041-\u005A\u0061-\u007A\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF\u0100-\u0131\u0134-\u013E\u0141-\u0148\u014A-\u017E\u0180-\u01C3\u01CD-\u01F0\u01F4-\u01F5\u01FA-\u0217\u0250-\u02A8\u02BB-\u02C1\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03CE\u03D0-\u03D6\u03DA\u03DC\u03DE\u03E0\u03E2-\u03F3\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E-\u0481\u0490-\u04C4\u04C7-\u04C8\u04CB-\u04CC\u04D0-\u04EB\u04EE-\u04F5\u04F8-\u04F9\u0531-\u0556\u0559\u0561-\u0586\u05D0-\u05EA\u05F0-\u05F2\u0621-\u063A\u0641-\u064A\u0671-\u06B7\u06BA-\u06BE\u06C0-\u06CE\u06D0-\u06D3\u06D5\u06E5-\u06E6\u0905-\u0939\u093D\u0958-\u0961\u0985-\u098C\u098F-\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09DC-\u09DD\u09DF-\u09E1\u09F0-\u09F1\u0A05-\u0A0A\u0A0F-\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32-\u0A33\u0A35-\u0A36\u0A38-\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8B\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2-\u0AB3\u0AB5-\u0AB9\u0ABD\u0AE0\u0B05-\u0B0C\u0B0F-\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32-\u0B33\u0B36-\u0B39\u0B3D\u0B5C-\u0B5D\u0B5F-\u0B61\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99-\u0B9A\u0B9C\u0B9E-\u0B9F\u0BA3-\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB5\u0BB7-\u0BB9\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C60-\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CDE\u0CE0-\u0CE1\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D28\u0D2A-\u0D39\u0D60-\u0D61\u0E01-\u0E2E\u0E30\u0E32-\u0E33\u0E40-\u0E45\u0E81-\u0E82\u0E84\u0E87-\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA-\u0EAB\u0EAD-\u0EAE\u0EB0\u0EB2-\u0EB3\u0EBD\u0EC0-\u0EC4\u0F40-\u0F47\u0F49-\u0F69\u10A0-\u10C5\u10D0-\u10F6\u1100\u1102-\u1103\u1105-\u1107\u1109\u110B-\u110C\u110E-\u1112\u113C\u113E\u1140\u114C\u114E\u1150\u1154-\u1155\u1159\u115F-\u1161\u1163\u1165\u1167\u1169\u116D-\u116E\u1172-\u1173\u1175\u119E\u11A8\u11AB\u11AE-\u11AF\u11B7-\u11B8\u11BA\u11BC-\u11C2\u11EB\u11F0\u11F9\u1E00-\u1E9B\u1EA0-\u1EF9\u1F00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2126\u212A-\u212B\u212E\u2180-\u2182\u3041-\u3094\u30A1-\u30FA\u3105-\u312C\uAC00-\uD7A3\u4E00-\u9FA5\u3007\u3021-\u3029_]';
RDFaProcessor.NCNAME = new RegExp('^' + RDFaProcessor.nameStartChar + RDFaProcessor.nameChar + '*$');
RDFaProcessor.trim = function(str) {
return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
};
RDFaProcessor.dateTimeTypes = [
{ pattern: /-?P(?:[0-9]+Y)?(?:[0-9]+M)?(?:[0-9]+D)?(?:T(?:[0-9]+H)?(?:[0-9]+M)?(?:[0-9]+(?:\.[0-9]+)?S)?)?/,
type: "http://www.w3.org/2001/XMLSchema#duration" },
{ pattern: /-?(?:[1-9][0-9][0-9][0-9]|0[1-9][0-9][0-9]|00[1-9][0-9]|000[1-9])-[0-9][0-9]-[0-9][0-9]T(?:[0-1][0-9]|2[0-4]):[0-5][0-9]:[0-5][0-9](?:\.[0-9]+)?(?:Z|[+\-][0-9][0-9]:[0-9][0-9])?/,
type: "http://www.w3.org/2001/XMLSchema#dateTime" },
{ pattern: /-?(?:[1-9][0-9][0-9][0-9]|0[1-9][0-9][0-9]|00[1-9][0-9]|000[1-9])-[0-9][0-9]-[0-9][0-9](?:Z|[+\-][0-9][0-9]:[0-9][0-9])?/,
type: "http://www.w3.org/2001/XMLSchema#date" },
{ pattern: /(?:[0-1][0-9]|2[0-4]):[0-5][0-9]:[0-5][0-9](?:\.[0-9]+)?(?:Z|[+\-][0-9][0-9]:[0-9][0-9])?/,
type: "http://www.w3.org/2001/XMLSchema#time" },
{ pattern: /-?(?:[1-9][0-9][0-9][0-9]|0[1-9][0-9][0-9]|00[1-9][0-9]|000[1-9])-[0-9][0-9]/,
type: "http://www.w3.org/2001/XMLSchema#gYearMonth" },
{ pattern: /-?[1-9][0-9][0-9][0-9]|0[1-9][0-9][0-9]|00[1-9][0-9]|000[1-9]/,
type: "http://www.w3.org/2001/XMLSchema#gYear" }
];
RDFaProcessor.deriveDateTimeType = function(value) {
for (var i=0; i < RDFaProcessor.dateTimeTypes.length; i++) {
//console.log("Checking "+value+" against "+RDFaProcessor.dateTimeTypes[i].type);
var matched = RDFaProcessor.dateTimeTypes[i].pattern.exec(value);
if (matched && matched[0].length==value.length) {
//console.log("Matched!");
return RDFaProcessor.dateTimeTypes[i].type;
}
}
return null;
};