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rdf-graph-array/index.js /
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| var rdf = require('rdf-graph-abstract') | |
| var inherits = require('inherits') | |
| rdf.NamedNode = function (iri) { | |
| this.interfaceName = 'NamedNode' | |
| this.nominalValue = iri | |
| } | |
| rdf.NamedNode.prototype.equals = function (other) { | |
| if (typeof other === 'string') { | |
| return this.nominalValue === other | |
| } | |
| if (typeof other === 'object') { | |
| if (other.constructor.name === 'RegExp') { | |
| return other.test(this.nominalValue) | |
| } | |
| if (other.interfaceName === this.interfaceName) { | |
| return this.nominalValue === other.nominalValue | |
| } | |
| } | |
| return false | |
| } | |
| rdf.NamedNode.prototype.toNT = function () { | |
| return '<' + rdf.encodeString(this.nominalValue) + '>' | |
| } | |
| rdf.NamedNode.prototype.toString = function () { | |
| return this.nominalValue | |
| } | |
| rdf.NamedNode.prototype.valueOf = function () { | |
| return this.nominalValue | |
| } | |
| rdf.BlankNode = function (label) { | |
| this.interfaceName = 'BlankNode' | |
| if (label != null) { | |
| this.nominalValue = label | |
| } else { | |
| this.nominalValue = 'b' + (++rdf.BlankNode.nextId) | |
| } | |
| } | |
| rdf.BlankNode.prototype.equals = function (other) { | |
| if (typeof other === 'string') { | |
| return this.nominalValue === other | |
| } | |
| if (typeof other === 'object') { | |
| if (other.constructor.name === 'RegExp') { | |
| return other.test(this.nominalValue) | |
| } | |
| if (other.interfaceName === this.interfaceName) { | |
| return this.nominalValue === other.nominalValue | |
| } | |
| } | |
| return false | |
| } | |
| rdf.BlankNode.prototype.toNT = function () { | |
| return '_:' + rdf.encodeString(this.nominalValue) | |
| } | |
| rdf.BlankNode.prototype.toString = function () { | |
| return '_:' + this.nominalValue | |
| } | |
| rdf.BlankNode.prototype.valueOf = function () { | |
| return this.nominalValue | |
| } | |
| rdf.BlankNode.nextId = 0 | |
| rdf.Literal = function (value, language, datatype, native) { | |
| this.interfaceName = 'Literal' | |
| this.nominalValue = value | |
| if (language) { | |
| this.language = language | |
| this.datatype = rdf.Literal.langString | |
| } else { | |
| this.language = null | |
| if (datatype) { | |
| this.datatype = new rdf.NamedNode(datatype.toString()) | |
| } else { | |
| this.datatype = rdf.Literal.string | |
| } | |
| } | |
| this.native = native | |
| } | |
| rdf.Literal.prototype.equals = function (other) { | |
| if (typeof other === 'string') { | |
| return this.nominalValue === other | |
| } | |
| if (typeof other === 'object') { | |
| if (other.constructor.name === 'RegExp') { | |
| return other.test(this.nominalValue) | |
| } | |
| if (other.interfaceName === this.interfaceName) { | |
| if (this.nominalValue.toString() !== other.nominalValue.toString()) { | |
| return false | |
| } | |
| if (this.language !== other.language) { | |
| return false | |
| } | |
| if ((this.datatype && !this.datatype.equals(other.datatype))) { | |
| return false | |
| } | |
| return true | |
| } | |
| } | |
| return false | |
| } | |
| rdf.Literal.prototype.toNT = function () { | |
| var string = '"' + rdf.encodeString(this.nominalValue.toString()) + '"' | |
| if (this.language) { | |
| string += '@' + this.language | |
| } | |
| if (this.datatype && !rdf.Literal.string.equals(this.datatype) && !rdf.Literal.langString.equals(this.datatype)) { | |
| string += '^^' + this.datatype.toNT() | |
| } | |
| return string | |
| } | |
| rdf.Literal.prototype.toString = function () { | |
| return this.nominalValue | |
| } | |
| rdf.Literal.langString = new rdf.NamedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#langString') | |
| rdf.Literal.string = new rdf.NamedNode('http://www.w3.org/2001/XMLSchema#string') | |
| rdf.Triple = function (subject, predicate, object) { | |
| this.subject = subject | |
| this.predicate = predicate | |
| this.object = object | |
| } | |
| rdf.Triple.prototype.equals = function (other) { | |
| return this.subject.equals(other.subject) && this.predicate.equals(other.predicate) && this.object.equals(other.object) | |
| } | |
| rdf.Triple.prototype.toNT = function () { | |
| return this.toString() | |
| } | |
| rdf.Triple.prototype.toQuad = function (graph) { | |
| return new rdf.Quad(this.subject, this.predicate, this.object, graph) | |
| } | |
| rdf.Triple.prototype.toString = function () { | |
| return this.subject.toNT() + ' ' + this.predicate.toNT() + ' ' + this.object.toNT() + ' .' | |
| } | |
| rdf.Quad = function (subject, predicate, object, graph) { | |
| this.subject = subject | |
| this.predicate = predicate | |
| this.object = object | |
| this.graph = graph | |
| } | |
| rdf.Quad.prototype.equals = function (other) { | |
| return this.subject.equals(other.subject) && this.predicate.equals(other.predicate) && this.object.equals(other.object) && this.graph.equals(other.graph) | |
| } | |
| rdf.Quad.prototype.toNT = function () { | |
| return this.toString() | |
| } | |
| rdf.Quad.prototype.toString = function () { | |
| return this.subject.toNT() + ' ' + this.predicate.toNT() + ' ' + this.object.toNT() + ' ' + this.graph.toNT() + ' .' | |
| } | |
| rdf.Quad.prototype.toTriple = function () { | |
| return new rdf.Triple(this.subject, this.predicate, this.object) | |
| } | |
| rdf.Graph = function (other) { | |
| this.actions = [] | |
| this._graph = [] | |
| this._gspo = {} | |
| rdf.AbstractGraph.call(this, rdf.Graph, other) | |
| } | |
| inherits(rdf.Graph, rdf.AbstractGraph) | |
| rdf.Graph.prototype.add = function (quad) { | |
| var i = rdf.Graph.index(quad) | |
| this._gspo[i.g] = this._gspo[i.g] || {} | |
| this._gspo[i.g][i.s] = this._gspo[i.g][i.s] || {} | |
| this._gspo[i.g][i.s][i.p] = this._gspo[i.g][i.s][i.p] || {} | |
| if (!this._gspo[i.g][i.s][i.p][i.o]) { | |
| this._gspo[i.g][i.s][i.p][i.o] = quad | |
| this._graph.push(quad) | |
| this.actions.forEach(function (action) { | |
| action.run(quad) | |
| }) | |
| } | |
| return this | |
| } | |
| rdf.Graph.prototype.addAction = function (action) { | |
| // TODO: implement me | |
| } | |
| rdf.Graph.prototype.remove = function (quad) { | |
| var i = rdf.Graph.index(quad) | |
| if (this._gspo[i.g][i.s][i.p][i.o]) { | |
| delete this._gspo[i.g][i.s][i.p][i.o] | |
| this._graph.splice(this._graph.indexOf(quad), 1) | |
| } | |
| } | |
| rdf.Graph.prototype.toArray = function () { | |
| return this._graph.slice(0) | |
| } | |
| rdf.Graph.index = function (quad) { | |
| return { | |
| g: quad.graph ? quad.graph.toString() : null, | |
| s: quad.subject.toString(), | |
| p: quad.predicate.toString(), | |
| o: quad.object.toString() | |
| } | |
| } | |
| module.exports = rdf |