Friday, January 27, 2017

Experiments with rdflib.js

https://github.com/linkeddata/rdflib.js

https://github.com/solid/solid-tutorial-rdflib.js

-------------------------------------

// requirejs closure that imports the rdflib.js script into the $rdf variable
define(['rdflib'], function($rdf) {

// Namespaces
var RDF = $rdf.Namespace("http://www.w3.org/1999/02/22-rdf-syntax-ns#");
var RDFS = $rdf.Namespace("http://www.w3.org/2000/01/rdf-schema#");
var FOAF = $rdf.Namespace("http://xmlns.com/foaf/0.1/");
var OWL = $rdf.Namespace("http://www.w3.org/2002/07/owl#");
var SPACE = $rdf.Namespace("http://www.w3.org/ns/pim/space#");
var UI = $rdf.Namespace("http://www.w3.org/ns/ui#");
var DCT = $rdf.Namespace("http://purl.org/dc/terms/");
var CERT = $rdf.Namespace("http://www.w3.org/ns/auth/cert#");
var ACL = $rdf.Namespace("http://www.w3.org/ns/auth/acl#");

// method to create a store for rdf graph
var store = $rdf.graph()
var timeout = 5000 // 5000 ms timeout

// creates a new fetcher object
var fetcher = new $rdf.Fetcher(store, timeout)

// Loading this url requires in browser webid verification
var url = 'https://bshambaugh.databox.me/profile/card#me';
//var url = 'http://data.thespaceplan.com/isp.rdf';

fetcher.nowOrWhenFetched(url, function(ok, body, xhr) {
    if (!ok) {
        console.log("Oops, something happened and couldn't fetch data");
    } else {
        // do something with the data in the store (see below)
        document.write(store);
    }
})

var me = $rdf.sym('https://www.w3.org/People/Berners-Lee/card#i');
store.add(me, FOAF('knows'), $rdf.sym('https://fred.me/profile#me'));

//store.add(me, FOAF('knows'), $rdf.sym('https://fred.me/profile#me'));
//store.add(me, FOAF('name'), "Albert Bloggs");
//document.write(store);
});

---------------------------------

using

document.write('name  :' + '   typeof');
document.write('<br><br>');
var properties = Object.getOwnPropertyNames($rdf);
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  document.write(properties[i] + '   :   ' + p);
  document.write('<br>');
}


(https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames_ )

gives:

name : typeof

BlankNode : function
Collection : function
convert : object
DataFactory : object
Empty : function
Fetcher : function
Formula : function
IndexedFormula : function
jsonParser : object
Literal : function
log : object
N3Parser : function
NamedNode : function
Namespace : function
Node : function
parse : function
Query : function
queryToSPARQL : function
RDFaProcessor : function
RDFParser : function
serialize : function
Serializer : function
SPARQLToQuery : function
sparqlUpdateParser : function
Statement : function
term : function
UpdateManager : function
UpdatesSocket : function
UpdatesVia : function
uri : object
Util : object
Variable : function
NextId : number
fromNT : function
fetcher : function
graph : function
lit : function
st : function
sym : function
variable : function
blankNode : function
defaultGraph : function
literal : function
namedNode : function
quad : function
triple : function

// console.log(Object.getOwnPropertyNames($rdf.graph()));


document.write('name  :' + '   typeof');
document.write('<br><br>');
var properties = Object.getOwnPropertyNames($rdf.graph());
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  document.write(properties[i] + '   :   ' + p);
  document.write('<br>');
}

gives:


termType : undefined
statements : undefined
constraints : undefined
initBindings : undefined
optional : undefined
propertyActions : undefined
classActions : undefined
redirections : undefined
aliases : undefined
HTTPRedirects : undefined
subjectIndex : undefined
predicateIndex : undefined
objectIndex : undefined
whyIndex : undefined
index : undefined
namespaces : undefined
features : undefined


document.write('name  :' + '   typeof');
document.write('<br><br>');
var properties = Object.getOwnPropertyNames($rdf.convert);
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  document.write(properties[i] + '   :   ' + p);
  document.write('<br>');
}

gives:

name : typeof

convertToJson : undefined
convertToNQuads : undefined






document.write('name  :' + '   typeof');
document.write('<br><br>');
var properties = Object.getOwnPropertyNames($rdf.DataFactory);
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  document.write(properties[i] + '   :   ' + p);
  document.write('<br>');
}




gives:



name : typeof

blankNode : function
defaultGraph : function
graph : function
literal : function
namedNode : function
quad : function
triple : function
variable : function
collection : undefined
fetcher : function
lit : function
st : function

document.write('name  :' + '   typeof');
document.write('<br><br>');
var properties = Object.getOwnPropertyNames($rdf.jsonParser);
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  document.write(properties[i] + '   :   ' + p);
  document.write('<br>');
}




gives:

name : typeof

parseJSON : undefined







 document.write('name  :' + '   typeof');
document.write('<br><br>');
var properties = Object.getOwnPropertyNames($rdf.log);
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  document.write(properties[i] + '   :   ' + p);
  document.write('<br>');
}

gives:

name : typeof

debug : undefined
warn : undefined
info : undefined
error : undefined
success : undefined
msg : undefined

document.write('name  :' + '   typeof');
document.write('<br><br>');
var properties = Object.getOwnPropertyNames($rdf.uri);
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  document.write(properties[i] + '   :   ' + p);
  document.write('<br>');
}

gives:

name : typeof

docpart : undefined
document : undefined
hostpart : undefined
join : undefined
protocol : undefined
refTo : undefined

document.write('name  :' + '   typeof');
document.write('<br><br>');
var properties = Object.getOwnPropertyNames($rdf.Util);
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  document.write(properties[i] + '   :   ' + p);
  document.write('<br>');
}

gives:

name : typeof

AJAR_handleNewTerm : undefined
ArrayIndexOf : undefined
callbackify : undefined
dtstamp : undefined
DOMParserFactory : undefined
domToString : undefined
dumpNode : undefined
getHTTPHeaders : undefined
heavyCompare : undefined
heavyCompareSPO : undefined
output : undefined
parseXML : undefined
RDFArrayRemove : undefined
stackString : undefined
string_startswith : undefined
string : undefined
uri : object
XMLHTTPFactory : undefined
log : object
mediaTypeClass : undefined

------------------------------
var properties = Object.getOwnPropertyNames($rdf);
for(var i = 0; i < properties.length; i++) {
  var g = (properties[i]);
  var p = typeof $rdf[g];
  if(p === 'function') {
    document.write(g);
    document.write('<br>');
    document.write($rdf[g]);
    document.write('<br><br><br>');
  }
//  document.write(properties[i] + '   :   ' + p);
//  document.write('<br>');
}



gives:


name : typeof

BlankNode
function t(e){ "use strict"; _classCallCheck(this,t);var r=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return r.termType=t.termType,r.id=t.nextId++,r.value=e||r.id.toString(),r}


Collection
function t(e){ "use strict"; _classCallCheck(this,t);var n=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return n.termType=t.termType,n.id=BlankNode.nextId++,n.elements=[],n.closed=!1,e&&e.length>0&&e.forEach(function(e){n.elements.push(Node.fromValue(e))}),n}


Empty
function t(){ "use strict"; _classCallCheck(this,t);var e=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return e.termType=t.termType,e}


Fetcher
function e(t,r,a){ "use strict"; this.store=t,this.thisURI="http://dig.csail.mit.edu/2005/ajar/ajaw/rdf/sources.js#SourceFetcher",this.timeout=r||3e4,this.async=null==a||a,this.appNode=this.store.bnode(),this.store.fetcher=this,this.requested={},this.redirectedTo={},this.fetchCallbacks={},this.nonexistant={},this.lookedUp={},this.handlers=[],this.mediatypes={};var i=this,n=this.store,s={};s.link=Namespace("http://www.w3.org/2007/ont/link#"),s.http=Namespace("http://www.w3.org/2007/ont/http#"),s.httph=Namespace("http://www.w3.org/2007/ont/httph#"),s.rdf=Namespace("http://www.w3.org/1999/02/22-rdf-syntax-ns#"),s.rdfs=Namespace("http://www.w3.org/2000/01/rdf-schema#"),s.dc=Namespace("http://purl.org/dc/elements/1.1/"),i.mediatypes["image/*"]={q:.9},i.mediatypes["*/*"]={q:.1},e.crossSiteProxy=function(t){return e.crossSiteProxyTemplate?e.crossSiteProxyTemplate.replace("{uri}",encodeURIComponent(t)):void 0},e.RDFXMLHandler=function(e){e&&(this.dom=e[0]),this.handlerFactory=function(e){e.handle=function(t){var r=i.store;this.dom||(this.dom=Util.parseXML(e.responseText));var a=this.dom.documentElement;if("parsererror"===a.nodeName)throw i.failFetch(e,"Badly formed XML in "+e.resource.uri),new Error("Badly formed XML in "+e.resource.uri);var n=new RDFParser(r);try{n.parse(this.dom,e.original.uri,e.original)}catch(t){i.addStatus(e.req,"Syntax error parsing RDF/XML! "+t),console.log("Syntax error parsing RDF/XML! "+t)}e.options.noMeta||r.add(e.original,s.rdf("type"),s.link("RDFDocument"),i.appNode),t()}}},e.RDFXMLHandler.toString=function(){return"RDFXMLHandler"},e.RDFXMLHandler.register=function(e){e.mediatypes["application/rdf+xml"]={q:.9}},e.RDFXMLHandler.pattern=new RegExp("application/rdf\\+xml"),e.XHTMLHandler=function(e){e&&(this.dom=e[0]),this.handlerFactory=function(e){e.handle=function(t){var r,a;this.dom||(this.dom=Util.parseXML(e.responseText));var n=i.store,o=this.dom.getElementsByTagName("title");o.length>0&&n.add(e.resource,s.dc("title"),n.literal(o[0].textContent),e.resource);for(var d=this.dom.getElementsByTagName("link"),l=d.length-1;l>=0;l--)r=d[l].getAttribute("rel"),a=!1,r||(r=d[l].getAttribute("rev"),a=!0),r&&i.linkData(e,r,d[l].getAttribute("href"),e.resource,a);for(var c=this.dom.getElementsByTagName("script"),u=0;u]+\?>/))return i.addStatus(e.req,"Has an XML declaration. We'll assume it's XHTML as the content-type was text/html.\n"),void i.switchHandler("XHTMLHandler",e,t);if(r.match(/.*/))return i.addStatus(e.req,"Has XHTML DOCTYPE. Switching to XHTMLHandler.\n"),void i.switchHandler("XHTMLHandler",e,t);if(r.match(/[^(/))return i.addStatus(e.req,"Has default namespace for XHTML, so switching to XHTMLHandler.\n"),void i.switchHandler("XHTMLHandler",e,t);var a=new RegExp("","im").exec(r);if(a){var n=i.store;return n.add(e.resource,s.dc("title"),n.literal(a[1]),e.resource),n.add(e.resource,s.rdf("type"),s.link("WebPage"),i.appNode),void t()}i.addStatus(e.req,"non-XML HTML document, not parsed for data."),i.doneFetch(e)}}},e.HTMLHandler.toString=function(){return"HTMLHandler"},e.HTMLHandler.register=function(e){e.mediatypes["text/html"]={q:.9}},e.HTMLHandler.pattern=new RegExp("text/html"),e.TextHandler=function(){this.handlerFactory=function(e){e.handle=function(t){var r=e.responseText;return r.match(/\s*<\?xml\s+version\s*=[^<>]+\?>/)?(i.addStatus(e.req,"Warning: "+e.resource+" has an XML declaration. We'll assume it's XML but its content-type wasn't XML.\n"),void i.switchHandler("XMLHandler",e,t)):r.slice(0,500).match(/xmlns:/)?(i.addStatus(e.req,"May have an XML namespace. We'll assume it's XML but its content-type wasn't XML.\n"),void i.switchHandler("XMLHandler",e,t)):(i.addStatus(e.req,"Plain text document, no known RDF semantics."),void i.doneFetch(e))}}},e.TextHandler.toString=function(){return"TextHandler"},e.TextHandler.register=function(e){e.mediatypes["text/plain"]={q:.5}},e.TextHandler.pattern=new RegExp("text/plain"),e.N3Handler=function(){this.handlerFactory=function(e){e.handle=function(t){var r=N3Parser(n,n,e.original.uri,e.original.uri,null,null,"",null);try{r.loadBuf(e.responseText)}catch(t){var a="Error trying to parse "+e.resource+" as Notation3:\n"+t+":\n"+t.stack;return void i.failFetch(e,a)}i.addStatus(e.req,"N3 parsed: "+r.statementCount+" triples in "+r.lines+" lines."),i.store.add(e.original,s.rdf("type"),s.link("RDFDocument"),i.appNode),i.doneFetch(e)}}},e.N3Handler.toString=function(){return"N3Handler"},e.N3Handler.register=function(e){e.mediatypes["text/n3"]={q:"1.0"},e.mediatypes["text/turtle"]={q:1}},e.N3Handler.pattern=new RegExp("(application|text)/(x-)?(rdf\\+)?(n3|turtle)"),Util.callbackify(this,["request","recv","headers","load","fail","refresh","retract","done"]),this.addHandler=function(e){i.handlers.push(e),e.register(i)},this.switchHandler=function(t,r,a,n){for(var s=null,o=0;o failed: "+t,e);return delete this.fetchCallbacks[e.original.uri],this.fireCallbacks("fail",[e.original.uri,t]),e.abort(),e},this.linkData=function(e,t,r,a,i){if(r){var o,d=n.sym(Uri.join(r,e.original.uri));if("alternate"===t||"seeAlso"===t||"meta"===t||"describedby"===t){if(d.uri===e.original.uri)return;o=s.rdfs("seeAlso")}else o="type"===t?n.sym("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"):n.sym(Uri.join(t,"http://www.iana.org/assignments/link-relations/"));i?n.add(d,o,e.original,a):n.add(e.original,o,d,a)}},this.parseLinkHeader=function(e,t){var r;try{r=e.getResponseHeader("link")}catch(e){}if(r)for(var a=/<[^>]*>\s*(\s*;\s*[^\(\)<>@,;:"\/\[\]\?={} \t]+=(([^\(\)<>@,;:"\/\[\]\?={} \t]+)|("[^"]*")))*(,|$)/g,i=/[^\(\)<>@,;:"\/\[\]\?={} \t]+=(([^\(\)<>@,;:"\/\[\]\?={} \t]+)|("[^"]*"))/g,n=r.match(a),s=0;s"),d=o[0].substring(1),l=o[1],c=l.match(i),u=0;u=200&&s.status<300;r.noMeta||"undefined"==typeof tabulator||a.saveResponseMetadata(s,a.store),e?i(s):n(s.status+" "+s.statusText)}},s.open(e,t,!0),s.setRequestHeader("Content-type",r.contentType||"text/turtle"),s.send(r.data?r.data:void 0)})},this.webCopy=function(e,t,r){var a=this;return e=e.uri||e,new Promise(function(i,n){a.webOperation("GET",e).then(function(e){a.webOperation("PUT",t,{data:e.responseText,contentType:r}).then(function(e){i(e)}).catch(function(e){n(e)})}).catch(function(e){n(e)})})},this.lookUpThing=function(e,t,r,a,i){var s,o=n.uris(e),d=!0,l="",c={};if(r===!1||r===!0?(s=r,r={force:s}):(void 0===r&&(r={}),s=!!r.force),"undefined"!=typeof o)for(var u=0;u0||i&&i(d,l)})};f(h)}return o.length},this.load=function(e,t){var r=this;if(e instanceof Array){var a=e.map(function(e){return r.load(e)});return Promise.all(a)}return e=e.uri||e,new Promise(function(a,i){r.nowOrWhenFetched(e,t,function(e,t,r){e?a(r):i(t)})})},this.nowOrWhenFetched=function(e,t,r,a){e=e.uri||e,"function"==typeof t?(a={},r=t):"undefined"==typeof t||(a=t instanceof NamedNode?{referingTerm:t}:t),this.requestURI(e,t,a||{},r)},this.get=this.nowOrWhenFetched,this.getHeader=function(e,t){for(var r=this.store,a=r.each(void 0,s.link("requestedURI"),e.uri),i=0;i Cross-site Proxy to <"+o+">"),t.aborted)return;var d=m.store,l=t.req;t.options.noMeta||d.add(l,s.http("redirectedTo"),d.sym(o),l),t.abort(),t.aborted=!0,m.addStatus(l,"redirected to new request"),m.requested[t.resource.uri]="redirected",m.redirectedTo[t.resource.uri]=o,m.fetchCallbacks[t.resource.uri]&&(m.fetchCallbacks[o]||(m.fetchCallbacks[o]=[]),m.fetchCallbacks[o]===m.fetchCallbacks[o].concat(m.fetchCallbacks[t.resource.uri]),delete m.fetchCallbacks[t.resource.uri]);var c=m.requestURI(o,t.resource,t.options,t.userCallback);if(c&&(c.proxyUsed=!0,c.original=t.original,console.log("Proxying but original still "+c.original)),c&&c.req)return void(t.options.noMeta||d.add(t.req,d.sym("http://www.w3.org/2007/ont/link#redirectedRequest"),c.req,m.appNode))}t.CORS_status=999}}},b=function(e){return function(){var r=function(){if(!e.handleResponseDone){e.handleResponseDone=!0;var r=null,i=e.req;m.fireCallbacks("recv",d);var o=m.store;if(m.saveResponseMetadata(e,o),m.fireCallbacks("headers",[{uri:t,headers:e.headers}]),0===e.status){if(console.log("Masked error - status 0 for "+e.resource.uri),v(e))return;return void(e.CORS_status=900)}if(e.status>=400){if(404===e.status&&(o.fetcher.nonexistant[e.resource.uri]=!0),e.responseText.length>10){var l=o.bnode();o.add(l,s.http("content"),o.literal(e.responseText),l),e.statusText&&o.add(l,s.http("statusText"),o.literal(e.statusText),l)}return void m.failFetch(e,"HTTP error for "+e.resource+": "+e.status+" "+e.statusText)}var c,u=e.headers["content-location"],h=function(e){var t=i;if(u){var r=o.any(t,s.link("requestedURI"));r!==u&&o.add(o.sym(u),s.rdf("type"),e,m.appNode)}for(;;){var a=o.any(t,s.link("requestedURI"));if(a&&a.value&&o.add(o.sym(a.value),s.rdf("type"),e,m.appNode),t=o.any(void 0,o.sym("http://www.w3.org/2007/ont/link#redirectedRequest"),t),!t)break;var n=o.any(t,o.sym("http://www.w3.org/2007/ont/link#response"));if(!n)break;var d=o.any(n,o.sym("http://www.w3.org/2007/ont/http#status"));if(!d)break;if("301"!==d&&"302"!==d)break}},p={rdf:"application/rdf+xml",owl:"application/rdf+xml",n3:"text/n3",ttl:"text/turtle",nt:"text/n3",acl:"text/n3",html:"text/html",xml:"text/xml"};if(200===e.status){h(s.link("Document"));var f=e.headers["content-type"];a.forceContentType&&(e.headers["content-type"]=a.forceContentType),(!f||f.indexOf("application/octet-stream")>=0)&&(c=p[e.resource.uri.split(".").pop()],c&&(e.headers["content-type"]=c)),f&&(0!==f.indexOf("image/")&&0!==f.indexOf("application/pdf")||h(o.sym("http://purl.org/dc/terms/Image"))),a.clearPreviousData&&o.removeDocument(e.resource)}if("file"!==Uri.protocol(e.resource.uri)&&"chrome"!==Uri.protocol(e.resource.uri)||(a.forceContentType?e.headers["content-type"]=a.forceContentType:(c=p[e.resource.uri.split(".").pop()],c?e.headers["content-type"]=c:e.headers["content-type"]="text/xml")),u){var g=Uri.join(e.resource.uri,u);if(!n&&g!==e.resource.uri&&m.requested[g]&&"done"===m.requested[g])return m.doneFetch(e),void e.abort();m.requested[g]=!0}for(var y=0;y Cross-site Proxy to <"+i+">"),e.aborted)return;var u=m.store,h=e.req;u.add(h,s.http("redirectedTo"),u.sym(i),h);var p=e.req=u.bnode();u.add(h,s.http("redirectedRequest"),p,e.req);var f=new Date,g="["+f.getHours()+":"+f.getMinutes()+":"+f.getSeconds()+"] ";u.add(p,s.rdfs("label"),u.literal(g+" Request for "+i),this.appNode),u.add(p,s.link("status"),u.collection(),this.appNode),u.add(p,s.link("requestedURI"),u.literal(i),this.appNode);var y=u.bnode();u.add(h,s.link("response"),y),e.abort(),e.aborted=!0,e.redirected=!0,m.addStatus(h,"redirected XHR"),m.fetchCallbacks[e.resource.uri]&&(m.fetchCallbacks[i]||(m.fetchCallbacks[i]=[]),m.fetchCallbacks[i]===m.fetchCallbacks[i].concat(m.fetchCallbacks[e.resource.uri]),delete m.fetchCallbacks[e.resource.uri]),m.fireCallbacks("redirected",d),m.requested[e.resource.uri]="redirected";var w=m.requestURI(i,e.resource,e.options||{},e.userCallback);if(w&&w.req)return void u.add(e.req,u.sym("http://www.w3.org/2007/ont/link#redirectedRequest"),w.req,m.appNode)}}m.failFetch(e,"HTTP Blocked. (ReadyState 0) Cross-site violation for <"+t+">");break;case 3:break;case 4:if(r(),e.handle&&void 0!==e.responseText){if("redirected"===m.requested[e.resource.uri])break;m.fireCallbacks("load",d),e.handle(function(){m.doneFetch(e)})}else e.redirected?m.addStatus(e.req,"Aborted and redirected to new request."):m.addStatus(e.req,"Fetch over. No data handled. Aborted = "+e.aborted)}}},q=t;"undefined"!=typeof tabulator&&tabulator.preferences.get("offlineModeUsingLocalhost")&&"http://"===q.slice(0,7)&&"localhost/"!==q.slice(7,17)&&(q="http://localhost/"+q.slice(7),log.warn("Localhost kludge for offline use: actually getting <"+q+">"));var T="https:"===q.slice(0,6);void 0!==a.withCredentials&&(T=a.withCredentials);var k=this.proxyIfNecessary(q);p.onerror=w(p),p.onreadystatechange=b(p),p.timeout=m.timeout,p.withCredentials=T,p.actualProxyURI=k,p.req=f,p.options=a,p.options=a,p.resource=u,p.requestedURI=q,p.ontimeout=function(){m.failFetch(p,"requestTimeout")};try{p.open("GET",k,this.async)}catch(e){return this.failFetch(p,"XHR open for GET failed for <"+q+">:\n\t"+e)}if(n&&p.setRequestHeader("Cache-control","no-cache"),"undefined"!=typeof tabulator&&tabulator.isExtension&&p.channel&&("http"===Uri.protocol(p.resource.uri)||"https"===Uri.protocol(p.resource.uri)))try{p.channel.notificationCallbacks={getInterface:function(e){return e.equals(Components.interfaces.nsIChannelEventSink)?{onChannelRedirect:function(e,t,i){if(!p.aborted){var n=m.store,o=t.URI.spec,l=p.req;if(!p.options.noMeta){m.addStatus(p.req,"Redirected: "+p.status+" to <"+o+">"),n.add(l,s.http("redirectedTo"),n.sym(o),p.req);var c=p.req=n.bnode();n.add(l,s.http("redirectedRequest"),c,this.appNode);var u=new Date,h="["+u.getHours()+":"+u.getMinutes()+":"+u.getSeconds()+"] ";n.add(c,s.rdfs("label"),n.literal(h+" Request for "+o),this.appNode),n.add(c,s.link("status"),n.collection(),this.appNode),n.add(c,s.link("requestedURI"),n.literal(o),this.appNode);var f=n.bnode();n.add(l,s.link("response"),f),n.add(f,s.http("status"),n.literal(p.status),f),p.statusText&&n.add(f,s.http("statusText"),n.literal(p.statusText),f)}if(p.status-0!==303&&(n.HTTPRedirects[p.resource.uri]=o),p.status-0===301&&r){var g=Uri.docpart(r.uri),y="Warning: "+p.resource+" has moved to <"+o+">.";r&&(y+=" Link in <"+g+" >should be changed",n.add(g,n.sym("http://www.w3.org/2007/ont/link#warning"),y,m.appNode))}p.abort(),p.aborted=!0,m.fetchCallbacks[p.resource.uri]&&(m.fetchCallbacks[o]||(m.fetchCallbacks[o]=[]),m.fetchCallbacks[o]===m.fetchCallbacks[o].concat(m.fetchCallbacks[p.resource.uri]),delete m.fetchCallbacks[p.resource.uri]),m.addStatus(l,"redirected"),m.fireCallbacks("redirected",d),m.requested[p.resource.uri]="redirected",m.redirectedTo[p.resource.uri]=o;var v=o.indexOf("#");v>=0&&(p.options.noMeta||n.add(p.resource,n.sym("http://www.w3.org/2007/ont/link#warning"),"Warning: "+p.resource+" HTTP redirects to"+o+' which should not contain a "#" sign'),o=o.slice(0,v));var w=m.requestURI(o,p.resource,p.options,p.userCallback);w&&w.req&&!a.noMeta&&n.add(p.req,n.sym("http://www.w3.org/2007/ont/link#redirectedRequest"),w.req,m.appNode)}},asyncOnChannelRedirect:function(e,t,a,i){if(!p.aborted){var n=m.store,o=t.URI.spec,d=p.req;m.addStatus(p.req,"Redirected: "+p.status+" to <"+o+">"),n.add(d,s.http("redirectedTo"),n.sym(o),p.req);var l=p.req=n.bnode();n.add(d,s.http("redirectedRequest"),l,p.req);var c=new Date,u="["+c.getHours()+":"+c.getMinutes()+":"+c.getSeconds()+"] ";n.add(l,s.rdfs("label"),n.literal(u+" Request for "+o),this.appNode),n.add(l,s.link("status"),n.collection(),this.appNode),n.add(l,s.link("requestedURI"),n.literal(o),this.appNode);var h=n.bnode();if(n.add(d,s.link("response"),h),n.add(h,s.http("status"),n.literal(p.status),h),p.statusText&&n.add(h,s.http("statusText"),n.literal(p.statusText),h),p.status-0!==303&&(n.HTTPRedirects[p.resource.uri]=o),p.status-0===301&&r){var f=Uri.docpart(r.uri),g="Warning: "+p.resource+" has moved to <"+o+">.";r&&(g+=" Link in <"+f+" >should be changed",n.add(f,n.sym("http://www.w3.org/2007/ont/link#warning"),g,m.appNode))}p.abort(),p.aborted=!0;var y=o.indexOf("#");if(y>=0){var v="Warning: "+p.resource+" HTTP redirects to"+o+' which do not normally contain a "#" sign';n.add(p.resource,n.sym("http://www.w3.org/2007/ont/link#warning"),v),o=o.slice(0,y)}m.requested[p.resource.uri]="redirected",m.redirectedTo[p.resource.uri]=o;var w=m.requestURI(o,p.resource,p.options,p.userCallback);w&&(w.original=p.original,w.req&&n.add(p.req,n.sym("http://www.w3.org/2007/ont/link#redirectedRequest"),w.req,m.appNode))}}}:Components.results.NS_NOINTERFACE}}}catch(e){return m.failFetch(p,"@@ Couldn't set callback for redirects: "+e)}try{var H="";for(var x in this.mediatypes){""!==H&&(H+=", "),H+=x;for(var M in this.mediatypes[x])H+=";"+M+"="+this.mediatypes[x][M]}p.setRequestHeader("Accept",H),this.addStatus(p.req,"Accept: "+H)}catch(e){throw new Error("Can't set Accept header: "+e)}try{p.send(null)}catch(e){return this.failFetch(p,"XHR send failed:"+e)}return setTimeout(function(){4!==p.readyState&&m.isPending(p.resource.uri)&&m.failFetch(p,"requestTimeout")},this.timeout),this.addStatus(p.req,"HTTP Request sent."),p}},this.objectRefresh=function(e){var t=n.uris(e);if("undefined"!=typeof t)for(var r=0;r

Formula
function t(e,r,n,s){ "use strict"; _classCallCheck(this,t);var i=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return i.termType=t.termType,i.statements=e||[],i.constraints=r||[],i.initBindings=n||[],i.optional=s||[],i}


IndexedFormula
function t(e){ "use strict"; _classCallCheck(this,t);var n=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return n.propertyActions=[],n.classActions=[],n.redirections=[],n.aliases=[],n.HTTPRedirects=[],n.subjectIndex=[],n.predicateIndex=[],n.objectIndex=[],n.whyIndex=[],n.index=[n.subjectIndex,n.predicateIndex,n.objectIndex,n.whyIndex],n.namespaces={},n.features=e||["sameAs","InverseFunctionalProperty","FunctionalProperty"],n.initPropertyActions(n.features),n}


Literal
function t(e,r,n){ "use strict"; _classCallCheck(this,t);var o=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return o.termType=t.termType,o.value=e,r&&(o.lang=r,n=XSD.langString),n&&(o.datatype=NamedNode.fromValue(n)),o}


N3Parser
function e(t,e,r,s,n,o,h,a){ "use strict"; return new i(t,e,r,s,n,o,h,a)}


NamedNode
function t(e){ "use strict"; _classCallCheck(this,t);var r=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return r.termType=t.termType,e.indexOf(":")<0&&console.log('Warning: NamedNode IRI "'+e+'" must be absolute. Relative URIs will fail in future versions'),r.value=e,r}


Namespace
function Namespace(e){ "use strict"; return function(n){return new NamedNode(e+(n||""))}}


Node
function e(){ "use strict"; _classCallCheck(this,e)}


parse
function parse(e,r,a,t,l){ "use strict"; function n(){l&&l(null,r)}function i(e){if("application/ld+json"!==t||"application/nquads"!==t||"application/n-quads"!==t){if(!l)throw new Error("Error trying to parse <"+a+"> as "+t+":\n"+e+":\n"+e.stack);l(e,r)}}function s(e,a){e&&l(e,r);try{f.parse(a,p)}catch(e){l(e,r)}}function p(e,a,t){if(e&&l(e,r),a)N.push(a);else{for(var n=0;n

Query
function t(n,e){ "use strict"; _classCallCheck(this,t),this.pat=new _indexedFormula2.default,this.vars=[],this.name=n,this.id=e}


queryToSPARQL
function queryToSPARQL(n){ "use strict"; function r(n){for(var r=a()+"SELECT ",t=0;t

RDFaProcessor
function e(t,a){ "use strict"; _classCallCheck(this,e),this.options=a||{},this.kb=t,this.target=a.target||{graph:{subjects:{},prefixes:{},terms:{}}},this.blankNodes=[],this.htmlOptions={selfClosing:"br img input area base basefont col colgroup source wbr isindex link meta param hr"},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=!1,this.absURIRE=/[\w\_\-]+:\S+/,this.finishedHandlers=[],this.init()}


RDFParser
function e(t){ "use strict"; var e={};e.ns={RDF:"http://www.w3.org/1999/02/22-rdf-syntax-ns#",RDFS:"http://www.w3.org/2000/01/rdf-schema#"},e.nodeType={ELEMENT:1,ATTRIBUTE:2,TEXT:3,CDATA_SECTION:4,ENTITY_REFERENCE:5,ENTITY:6,PROCESSING_INSTRUCTION:7,COMMENT:8,DOCUMENT:9,DOCUMENT_TYPE:10,DOCUMENT_FRAGMENT:11,NOTATION:12},this.frameFactory=function(t,i,n){return{NODE:1,ARC:2,parent:i,parser:t,store:t.store,element:n,lastChild:0,base:null,lang:null,node:null,nodeType:null,listIndex:1,rdfid:null,datatype:null,collection:!1,terminateFrame:function(){this.collection&&this.node.close()},addSymbol:function(e,t){t=uriUtil.join(t,this.base),this.node=this.store.sym(t),this.nodeType=e},loadTriple:function(){if(this.parent.parent.collection?this.parent.parent.node.append(this.node):this.store.add(this.parent.parent.node,this.parent.node,this.node,this.parser.why),null!=this.parent.rdfid){var t=this.store.sym(uriUtil.join("#"+this.parent.rdfid,this.base));this.store.add(t,this.store.sym(e.ns.RDF+"type"),this.store.sym(e.ns.RDF+"Statement"),this.parser.why),this.store.add(t,this.store.sym(e.ns.RDF+"subject"),this.parent.parent.node,this.parser.why),this.store.add(t,this.store.sym(e.ns.RDF+"predicate"),this.parent.node,this.parser.why),this.store.add(t,this.store.sym(e.ns.RDF+"object"),this.node,this.parser.why)}},isTripleToLoad:function(){return null!=this.parent&&null!=this.parent.parent&&this.nodeType===this.NODE&&this.parent.nodeType===this.ARC&&this.parent.parent.nodeType===this.NODE},addNode:function(e){this.addSymbol(this.NODE,e),this.isTripleToLoad()&&this.loadTriple()},addCollection:function(){this.nodeType=this.NODE,this.node=this.store.collection(),this.collection=!0,this.isTripleToLoad()&&this.loadTriple()},addCollectionArc:function(){this.nodeType=this.ARC},addBNode:function(e){null!=e?null!=this.parser.bnodes[e]?this.node=this.parser.bnodes[e]:this.node=this.parser.bnodes[e]=this.store.bnode():this.node=this.store.bnode(),this.nodeType=this.NODE,this.isTripleToLoad()&&this.loadTriple()},addArc:function(t){t===e.ns.RDF+"li"&&(t=e.ns.RDF+"_"+this.parent.listIndex,this.parent.listIndex++),this.addSymbol(this.ARC,t)},addLiteral:function(e){this.parent.datatype?this.node=this.store.literal(e,"",this.store.sym(this.parent.datatype)):this.node=this.store.literal(e,this.lang),this.nodeType=this.NODE,this.isTripleToLoad()&&this.loadTriple()}}},this.getAttributeNodeNS=function(e,t,i){var n=null;if(e.getAttributeNodeNS)n=e.getAttributeNodeNS(t,i);else for(var s,r,o=e.attributes,a=0;a=0?e.nodeName.split(":")[1]:e.nodeName),t}.bind(this),s=!0;t.parent;){var r=t.element,o=r.attributes;if(r.nodeType===e.nodeType.TEXT||r.nodeType===e.nodeType.CDATA_SECTION)t.parent.nodeType===t.NODE&&(t.addArc(e.ns.RDF+"value"),t=this.buildFrame(t)),t.addLiteral(r.nodeValue);else if(n(r)!==e.ns.RDF+"RDF")if(t.parent&&t.parent.collection&&(t.addCollectionArc(),t=this.buildFrame(t,t.element),t.parent.element=null),t.parent&&t.parent.nodeType&&t.parent.nodeType!==t.ARC){t.addArc(n(r)),this.reify&&(i=this.getAttributeNodeNS(r,e.ns.RDF,"ID"),i&&(t.rdfid=i.nodeValue,r.removeAttributeNode(i)));var a=this.getAttributeNodeNS(r,e.ns.RDF,"parseType"),d=this.getAttributeNodeNS(r,e.ns.RDF,"datatype");if(d&&(t.datatype=d.nodeValue,r.removeAttributeNode(d)),a){var l=a.nodeValue;"Literal"===l?(t.datatype=e.ns.RDF+"XMLLiteral",t=this.buildFrame(t),t.addLiteral(r),s=!1):"Resource"===l?(t=this.buildFrame(t,t.element),t.parent.element=null,t.addBNode()):"Collection"===l&&(t=this.buildFrame(t,t.element),t.parent.element=null,t.addCollection()),r.removeAttributeNode(a)}if(0!==o.length){var h=this.getAttributeNodeNS(r,e.ns.RDF,"resource"),p=this.getAttributeNodeNS(r,e.ns.RDF,"nodeID");t=this.buildFrame(t),h?(t.addNode(h.nodeValue),r.removeAttributeNode(h)):p?(t.addBNode(p.nodeValue),r.removeAttributeNode(p)):t.addBNode();for(var u=o.length-1;u>=0;u--){var N=this.buildFrame(t);N.addArc(n(o[u])),n(o[u])===e.ns.RDF+"type"?this.buildFrame(N).addNode(o[u].nodeValue):this.buildFrame(N).addLiteral(o[u].nodeValue)}}else 0===r.childNodes.length&&this.buildFrame(t).addLiteral("")}else{var T=this.getAttributeNodeNS(r,e.ns.RDF,"about");if(i=this.getAttributeNodeNS(r,e.ns.RDF,"ID"),T&&i)throw new Error("RDFParser: "+r.nodeName+" has both rdf:id and rdf:about. Halting. Only one of these properties may be specified on a node.");if(!T&&i)t.addNode("#"+i.nodeValue),r.removeAttributeNode(i);else if(null==T&&null==i){var m=this.getAttributeNodeNS(r,e.ns.RDF,"nodeID");m?(t.addBNode(m.nodeValue),r.removeAttributeNode(m)):t.addBNode()}else t.addNode(T.nodeValue),r.removeAttributeNode(T);var y=this.getAttributeNodeNS(r,e.ns.RDF,"type");e.ns.RDF+"Description"!==n(r)&&(y={nodeValue:n(r)}),null!=y&&(this.store.add(t.node,this.store.sym(e.ns.RDF+"type"),this.store.sym(uriUtil.join(y.nodeValue,t.base)),this.why),y.nodeName&&r.removeAttributeNode(y));for(var b=o.length-1;b>=0;b--)this.store.add(t.node,this.store.sym(n(o[b])),this.store.literal(o[b].nodeValue,t.lang),this.why)}for(r=t.element;t.parent;){for(var c=t;null==r;)t=t.parent,r=t.element;var f=r.childNodes&&r.childNodes[t.lastChild];if(f&&s){if((f.nodeType===e.nodeType.ELEMENT||f.nodeType===e.nodeType.TEXT||f.nodeType===e.nodeType.CDATA_SECTION)&&(f.nodeType!==e.nodeType.TEXT&&f.nodeType!==e.nodeType.CDATA_SECTION||1===r.childNodes.length)){t.lastChild++,t=this.buildFrame(c,r.childNodes[t.lastChild-1]);break}t.lastChild++}else{if(t.terminateFrame(),!(t=t.parent))break;r=t.element,s=!0}}}},this.cleanParser=function(){this.bnodes={},this.why=null},this.buildFrame=function(t,i){var n=this.frameFactory(this,t,i);if(t&&(n.base=t.base,n.lang=t.lang),!i||i.nodeType===e.nodeType.TEXT||i.nodeType===e.nodeType.CDATA_SECTION)return n;var s=i.attributes,r=i.getAttributeNode("xml:base");null!=r&&(n.base=r.nodeValue,i.removeAttribute("xml:base"));var o=i.getAttributeNode("xml:lang");null!=o&&(n.lang=o.nodeValue,i.removeAttribute("xml:lang"));for(var a=s.length-1;a>=0;a--)if("xml"===s[a].nodeName.substr(0,3)){if("xmlns:"===s[a].name.slice(0,6)){var d=s[a].nodeValue;this.base&&(d=uriUtil.join(d,this.base)),this.store.setPrefixForURI(s[a].name.slice(6),d)}i.removeAttributeNode(s[a])}return n}}


serialize
function serialize(e,t,s,r,a){ "use strict"; function n(e,t){return a?void a(e,t):t}s=s||e.uri,r=r||"text/turtle";var i=null;try{var l,o=Serializer(t),u=t.statementsMatching(void 0,void 0,void 0,e);switch(o.suggestNamespaces(t.namespaces),o.setBase(s),r){case"application/rdf+xml":return i=o.statementsToXML(u),n(null,i);case"text/n3":case"application/n3":return i=o.statementsToN3(u),n(null,i);case"text/turtle":case"application/x-turtle":return o.setFlags("si"),i=o.statementsToN3(u),n(null,i);case"application/n-triples":return o.setFlags("deinprstux"),i=o.statementsToNTriples(u),n(null,i);case"application/ld+json":o.setFlags("deinprstux"),l=o.statementsToNTriples(u),convert.convertToJson(l,a);break;case"application/n-quads":case"application/nquads":return o.setFlags("deinprstux q"),i=o.statementsToNTriples(u),n(null,i);default:throw new Error("Serialize: Content-type "+r+" not supported for data write.")}}catch(e){if(a)return a(e);throw e}}


Serializer
function (e){ "use strict"; return new r(e)}


SPARQLToQuery
function SPARQLToQuery(e,r,n){ "use strict"; function t(e){if(O[e])return O[e];var r=n.variable(e);return O[e]=r,r}function o(e){return"string"==typeof e&&e.match(/[^ \n\t]/)}function i(e){return"string"==typeof e&&e.match(/^[\?\$]/)}function a(e){return"string"==typeof e?e.replace(/^</,"<").replace(/>$/,">"):e}function l(e){return"string"==typeof e&&e.match(/^<[^>]*>$/)}function c(e){return"string"==typeof e&&(e.match(/^_:/)||e.match(/^$/))}function s(e){return"string"==typeof e&&e.match(/:$/)}function f(e){return"string"==typeof e&&e.match(/^:|^[^_][^:]*:/)}function u(e){var r=e.split(":");return r[0]}function g(e){var r=e.split(":");return r[1]}function p(e){return l(e)?e.slice(1,e.length-1):e}function d(e){var r=e.indexOf("'")===-1?null:e.indexOf("'"),t=e.indexOf('"')===-1?null:e.indexOf('"');if(!r&&!t){var o=new Array(1);return o[0]=e,o}var i,a,l=new Array(2);if(!r||t&&t/g,"> ").replace(/{/g," { ").replace(/}/g," } ").replace(/[\t\n\r]/g," ").replace(/; /g," ; ").replace(/\. /g," . ").replace(/, /g," , "),log.info("New str into spaceDelimit: \n"+e);var r=[],n=e.split(" ");for(var t in n)o(n[t])&&(r=r.concat(n[t]));return r}function h(e){for(var r=e,n=0;n"),"is"===r[n]&&"of"===r[n+2]){r.splice(n,1),r.splice(n+1,1);var t=r[n-1];r[n-1]=r[n+1],r[n+1]=t}return r}function y(e){for(var r=[],o=0;o "+i);var a=u(o),c=p(i);n[a]=c}else log.error("Invalid SPARQL symbol: "+i);else log.error("Invalid SPARQL prefix: "+o)}return n}function E(e,r,n){log.info("Looking for a close bracket of type "+n+" in "+e);for(var t=0,o=0;o"===e[1]?(log.debug("Constraint added: "+e),r.constraints[e[0]]=new T(e[2])):"<"===e[1]?(log.debug("Constraint added: "+e),r.constraints[e[0]]=new T(e[2])):log.warn("I don't know how to handle the constraint: "+e)}function Q(e,r){log.debug("Optional query: "+e+" not yet implemented.");var t=n.formula();S(e,t),r.optional.push(t)}function S(e,r){var n,t=y(e);log.debug("WHERE: "+t);for(var o;m("OPTIONAL",t);)o=m("OPTIONAL",t),log.debug("OPT: "+o+" "+t[o]+" in "+t),"{"!==t[o+1]&&log.warn("Bad optional opening bracket in word "+o),n=E(t.slice(o+2),"{","}"),n===-1?log.error("No matching bracket in word "+o):(Q(t.slice(o+2,o+2+n),r),o=m("OPTIONAL",t),n=E(t.slice(o+2),"{","}"),t.splice(o,n+3));for(log.debug("WHERE after optionals: "+t);m("FILTER",t);){var i=m("FILTER",t);"("!==t[i+1]&&log.warn("Bad filter opening bracket in word "+i),n=E(t.slice(i+2),"(",")"),n===-1?log.error("No matching bracket in word "+i):(A(t.slice(i+2,i+2+n),r),i=m("FILTER",t),n=E(t.slice(i+2),"(",")"),t.splice(i,n+3))}log.debug("WHERE after filters and optionals: "+t),x(t,r)}function x(e,r){var n=new Array(1);n[0]=-1;for(var t=n.concat(b(".",e)),o=[],i=0;iq)return log.error("Invalid or nonexistent SELECT and WHERE tags in SPARQL query"),!1;if(L(C.slice(k+1,q),N),S(C.slice(q+2,C.length-1),N.pat),r)return N;for(var j in N.pat.statements){var H=N.pat.statements[j];"NamedNode"===H.subject.termType&&n.fetcher&&n.fetcher.lookUpThing(H.subject,"sparql:"+H.subject),"NamedNode"===H.object.termType&&n.fetcher&&n.fetcher.lookUpThing(H.object,"sparql:"+H.object)}return N}


sparqlUpdateParser
function sparqlUpdateParser(e,r,t){ "use strict"; var a,i,s,n=["INSERT","DELETE","WHERE"],o=Namespace("http://www.w3.org/ns/pim/patch#"),c=N3Parser(r,r,t,t,null,null,"",null),f={},l=function(e,r,t,a,i){return"Line "+(r+1)+" of <"+e+">: Bad syntax:\n "+i+'\n at: "'+t.slice(a,a+30)+'"'};a=0;var p=r.sym(t+"#query");for(f.query=p;;){if(i=c.skipSpace(e,a),i<0)return f;if(";"===e[i]){if(a=c.skipSpace(e,i+1),a<0)return f;i=a}var h=!1;for(s=0;s

Statement
function t(e,i,n,s){ "use strict"; _classCallCheck(this,t),this.subject=Node.fromValue(e),this.predicate=Node.fromValue(i),this.object=Node.fromValue(n),this.why=s}


term
function (e){ "use strict"; var t=require("./collection"),r=require("./literal");require("./named-node");if("undefined"==typeof e||null===e)return e;var n=e&&e.termType;return n?e:Array.isArray(e)?new t(e):r.fromValue(e)}


UpdateManager
function (e){ "use strict"; if(this.store=e,e.updater)throw new Error("You can't have two UpdateManagers for the same store");e.fetcher||new Fetcher(e),e.updater=this,this.ifps={},this.fps={},this.ns={},this.ns.link=Namespace("http://www.w3.org/2007/ont/link#"),this.ns.http=Namespace("http://www.w3.org/2007/ont/http#"),this.ns.httph=Namespace("http://www.w3.org/2007/ont/httph#"),this.ns.ldp=Namespace("http://www.w3.org/ns/ldp#"),this.ns.rdf=Namespace("http://www.w3.org/1999/02/22-rdf-syntax-ns#"),this.ns.rdfs=Namespace("http://www.w3.org/2000/01/rdf-schema#"),this.ns.rdf=Namespace("http://www.w3.org/1999/02/22-rdf-syntax-ns#"),this.ns.owl=Namespace("http://www.w3.org/2002/07/owl#"),this.patchControl=[]}


UpdatesSocket
function e(t,n){ "use strict"; _classCallCheck(this,e),this.parent=t,this.via=n,this.connected=!1,this.pending={},this.subscribed={},this.socket={};try{this.socket=new WebSocket(n),this.socket.onopen=this.onOpen,this.socket.onclose=this.onClose,this.socket.onmessage=this.onMessage,this.socket.onerror=this.onError}catch(e){this.onError(e)}}


UpdatesVia
function e(t){ "use strict"; _classCallCheck(this,e),this.fetcher=t,this.graph={},this.via={},this.fetcher.addCallback("headers",this.onHeaders)}


Variable
function t(){ "use strict"; var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"";_classCallCheck(this,t);var r=_possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return r.termType=t.termType,r.value=e,r.base="varid:",r.uri=Uri.join(e,r.base),r}


fromNT
function (e){ "use strict"; var t,r,n,s;switch(e[0]){case"<":return this.sym(e.slice(1,-1));case'"':if(n=void 0,t=void 0,r=e.lastIndexOf('"'),r

fetcher
function fetcher(e,r,t){ "use strict"; return new Fetcher(e,r,t)}


graph
function graph(){ "use strict"; return new _indexedFormula2.default}


lit
function lit(e,r,t){ "use strict"; return new Literal(""+e,r,t)}


st
function st(e,r,t,n){ "use strict"; return new Statement(e,r,t,n)}


sym
function namedNode(e){ "use strict"; return new NamedNode(e)}


variable
function variable(e){ "use strict"; return new Variable(e)}


blankNode
function blankNode(e){ "use strict"; return new BlankNode(e)}


defaultGraph
function defaultGraph(){ "use strict"; return new DefaultGraph}


literal
function literal(e,r){ "use strict"; return"string"==typeof r?r.indexOf(":")===-1?new Literal(e,r):new Literal(e,null,namedNode(r)):new Literal(e,null,r)}


namedNode
function namedNode(e){ "use strict"; return new NamedNode(e)}


quad
function quad(e,r,t,n){ "use strict"; return n=n||new DefaultGraph,new Statement(e,r,t,n)}


triple
function triple(e,r,t){ "use strict"; return quad(e,r,t)}



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