Exemplo n.º 1
0
        public static JObject Expand(JToken swidTag)
        {
            // then, expand it out so we can walk it with strong types
            var expanded = JsonLdProcessor.Expand(Compact(swidTag), _options).FirstOrDefault().ToJObject();

            return(SetStandardContext(expanded));
        }
Exemplo n.º 2
0
        public static void Run()
        {
            var json     = "{'@context':{'test':'http://www.example.org/'},'test:hello':'world'}";
            var document = JObject.Parse(json);
            var expanded = JsonLdProcessor.Expand(document);

            Console.WriteLine(expanded);
        }
            public static Page Create(Uri address, JToken compacted)
            {
                Page newPage = new Page(address);

                List <JToken> nodes  = new List <JToken>();
                int           marker = 0;

                Mark(compacted, ref marker, nodes);
                JToken expanded = JsonLdProcessor.Expand(compacted, new JsonLdOptions());

                Load(expanded, newPage._fragments, address, nodes);
                return(newPage);
            }
Exemplo n.º 4
0
        public static string GetExpandedIri(JToken context, string term)
        {
            if (term == JsonLdKeywords.Context)
            {
                return(null);
            }

            var value = new JObject
            {
                { JsonLdKeywords.Context, context },
                { term, "value" }
            };

            var expanded = JsonLdProcessor.Expand(value, new JsonLdOptions());

            if (expanded.Any())
            {
                return(((JProperty)expanded[0].First).Name);
            }

            return(null);
        }
Exemplo n.º 5
0
        /// <summary>
        /// Serializes the specified content type.
        /// </summary>
        /// <typeparam name="TModel">The type of the model.</typeparam>
        /// <param name="mediaRange">Type of the content.</param>
        /// <param name="model">The model.</param>
        /// <param name="outputStream">The output stream.</param>
        public void Serialize <TModel>(MediaRange mediaRange, TModel model, Stream outputStream)
        {
            WrappedModel?wrappedModel = model as WrappedModel?;
            var          actualModel  = wrappedModel == null ? model : wrappedModel.Value.Model;

            using (var writer = new StreamWriter(new UnclosableStreamWrapper(outputStream)))
            {
                JToken serialized = this.serializer.Serialize(actualModel);

                if (wrappedModel.HasValue)
                {
                    serialized.AddBaseToContext(wrappedModel.Value.BaseUrl);
                }

                if (mediaRange.Parameters["profile"]?.Trim('"') == JsonLdProfiles.Expanded)
                {
                    serialized = JsonLdProcessor.Expand(serialized);
                }
                else
                {
                    if (serialized[JsonLdKeywords.Context] != null)
                    {
                        var contextMap = this.contextPathMapper.Contexts.FirstOrDefault(map => map.ModelType == actualModel.GetType());

                        if (contextMap != default(ContextPathMap) && wrappedModel != null)
                        {
                            var newContext = wrappedModel.Value.BaseUrl
                                             .Append(this.contextPathMapper.BasePath)
                                             .Append(contextMap.Path);
                            serialized[JsonLdKeywords.Context] = newContext;
                        }
                    }
                }

                Debug.WriteLine("Serialized model: {0}", new object[] { serialized });

                writer.Write(serialized);
            }
        }
Exemplo n.º 6
0
        public static JArray Run()
        {
            var compacted = Sample1_Compact.Run();
            var expanded  = JsonLdProcessor.Expand(compacted);

            Console.WriteLine(expanded);

            /*
             *
             * Output:
             * [
             *  {
             *      "@id": "http://example.org/ld-experts",
             *      "http://schema.org/member": [
             *          {
             *              "http://schema.org/url": [
             *                  {
             *                      "@id": "http://manu.sporny.org/"
             *                  }
             *              ],
             *              "http://schema.org/image": [
             *                  {
             *                      "@id": "http://manu.sporny.org/images/manu.png"
             *                  }
             *              ],
             *              "http://schema.org/name": [
             *                  {
             *                      "@value": "Manu Sporny"
             *                  }
             *              ]
             *          }
             *      ]
             *  }
             * ]
             *
             */

            return(expanded);
        }
Exemplo n.º 7
0
        public IEnumerator <object[]> GetEnumerator()
        {
            foreach (string manifest in manifests)
            {
                JToken manifestJson;

                manifestJson = GetJson(manifest);

                foreach (JObject testcase in manifestJson["sequence"])
                {
                    Func <JToken>   run;
                    ConformanceCase newCase = new ConformanceCase();

                    newCase.input   = GetJson(testcase["input"]);
                    newCase.context = GetJson(testcase["context"]);
                    newCase.frame   = GetJson(testcase["frame"]);

                    var options = new JsonLdOptions("http://json-ld.org/test-suite/tests/" + (string)testcase["input"]);

                    var testType = (JArray)testcase["@type"];

                    if (testType.Any((s) => (string)s == "jld:NegativeEvaluationTest"))
                    {
                        newCase.error = testcase["expect"];
                    }
                    else if (testType.Any((s) => (string)s == "jld:PositiveEvaluationTest"))
                    {
                        if (testType.Any((s) => new List <string> {
                            "jld:ToRDFTest", "jld:NormalizeTest"
                        }.Contains((string)s)))
                        {
                            newCase.output = File.ReadAllText(Path.Combine("W3C", (string)testcase["expect"]));
                        }
                        else if (testType.Any((s) => (string)s == "jld:FromRDFTest"))
                        {
                            newCase.input  = File.ReadAllText(Path.Combine("W3C", (string)testcase["input"]));
                            newCase.output = GetJson(testcase["expect"]);
                        }
                        else
                        {
                            newCase.output = GetJson(testcase["expect"]);
                        }
                    }
                    else
                    {
                        throw new Exception("Expecting either positive or negative evaluation test.");
                    }

                    JToken optionToken;
                    JToken value;

                    if (testcase.TryGetValue("option", out optionToken))
                    {
                        JObject optionDescription = (JObject)optionToken;

                        if (optionDescription.TryGetValue("compactArrays", out value))
                        {
                            options.SetCompactArrays((bool)value);
                        }
                        if (optionDescription.TryGetValue("base", out value))
                        {
                            options.SetBase((string)value);
                        }
                        if (optionDescription.TryGetValue("expandContext", out value))
                        {
                            newCase.context = GetJson(testcase["option"]["expandContext"]);
                            options.SetExpandContext((JObject)newCase.context);
                        }
                        if (optionDescription.TryGetValue("produceGeneralizedRdf", out value))
                        {
                            options.SetProduceGeneralizedRdf((bool)value);
                        }
                        if (optionDescription.TryGetValue("useNativeTypes", out value))
                        {
                            options.SetUseNativeTypes((bool)value);
                        }
                        if (optionDescription.TryGetValue("useRdfType", out value))
                        {
                            options.SetUseRdfType((bool)value);
                        }
                    }

                    if (testType.Any((s) => (string)s == "jld:CompactTest"))
                    {
                        run = () => JsonLdProcessor.Compact(newCase.input, newCase.context, options);
                    }
                    else if (testType.Any((s) => (string)s == "jld:ExpandTest"))
                    {
                        run = () => JsonLdProcessor.Expand(newCase.input, options);
                    }
                    else if (testType.Any((s) => (string)s == "jld:FlattenTest"))
                    {
                        run = () => JsonLdProcessor.Flatten(newCase.input, newCase.context, options);
                    }
                    else if (testType.Any((s) => (string)s == "jld:FrameTest"))
                    {
                        run = () => JsonLdProcessor.Frame(newCase.input, newCase.frame, options);
                    }
                    else if (testType.Any((s) => (string)s == "jld:NormalizeTest"))
                    {
                        run = () => new JValue(
                            RDFDatasetUtils.ToNQuads((RDFDataset)JsonLdProcessor.Normalize(newCase.input, options)).Replace("\n", "\r\n")
                            );
                    }
                    else if (testType.Any((s) => (string)s == "jld:ToRDFTest"))
                    {
                        options.format = "application/nquads";
                        run            = () => new JValue(
                            ((string)JsonLdProcessor.ToRDF(newCase.input, options)).Replace("\n", "\r\n")
                            );
                    }
                    else if (testType.Any((s) => (string)s == "jld:FromRDFTest"))
                    {
                        options.format = "application/nquads";
                        run            = () => JsonLdProcessor.FromRDF(newCase.input, options);
                    }
                    else
                    {
                        run = () => { throw new Exception("Couldn't find a test type, apparently."); };
                    }

                    if ((string)manifestJson["name"] == "Remote document")
                    {
                        Func <JToken> innerRun = run;
                        run = () =>
                        {
                            var remoteDoc = options.documentLoader.LoadDocument("https://json-ld.org/test-suite/tests/" + (string)testcase["input"]);
                            newCase.input = remoteDoc.Document;
                            options.SetBase(remoteDoc.DocumentUrl);
                            options.SetExpandContext((JObject)remoteDoc.Context);
                            return(innerRun());
                        };
                    }

                    if (testType.Any((s) => (string)s == "jld:NegativeEvaluationTest"))
                    {
                        Func <JToken> innerRun = run;
                        run = () =>
                        {
                            try
                            {
                                return(innerRun());
                            }
                            catch (JsonLdError err)
                            {
                                JObject result = new JObject();
                                result["error"] = err.Message;
                                return(result);
                            }
                        };
                    }

                    newCase.run = run;

                    yield return(new object[] { manifest + (string)testcase["@id"], (string)testcase["name"], newCase });
                }
            }
        }
Exemplo n.º 8
0
        /// <inheritdoc/>
        public void Load(IRdfHandler handler, TextReader input)
        {
            handler.StartRdf();
            var rdfTypeNode = handler.CreateUriNode(new Uri(RdfNs + "type"));

            try
            {
                JToken element;
                using (var reader = new JsonTextReader(input)
                {
                    DateParseHandling = DateParseHandling.None
                })
                {
                    element = JToken.ReadFrom(reader);
                }
                var expandedElement = JsonLdProcessor.Expand(element, ParserOptions);
                var nodeMap         = JsonLdProcessor.GenerateNodeMap(expandedElement);
                foreach (var p in nodeMap.Properties())
                {
                    var graphName = p.Name;
                    var graph     = p.Value as JObject;
                    if (graph == null)
                    {
                        continue;
                    }
                    Uri graphIri;
                    if (graphName == "@default")
                    {
                        graphIri = null;
                    }
                    else
                    {
                        if (!Uri.TryCreate(graphName, UriKind.Absolute, out graphIri))
                        {
                            continue;
                        }
                    }
                    foreach (var gp in graph.Properties())
                    {
                        var   subject = gp.Name;
                        var   node    = gp.Value as JObject;
                        INode subjectNode;
                        if (IsBlankNodeIdentifier(subject))
                        {
                            subjectNode = handler.CreateBlankNode(subject.Substring(2));
                        }
                        else
                        {
                            Uri subjectIri;
                            if (!Uri.TryCreate(subject, UriKind.Absolute, out subjectIri))
                            {
                                continue;
                            }
                            subjectNode = handler.CreateUriNode(subjectIri);
                        }
                        foreach (var np in node.Properties())
                        {
                            var property = np.Name;
                            var values   = np.Value as JArray;
                            if (property.Equals("@type"))
                            {
                                foreach (var type in values)
                                {
                                    var typeNode = MakeNode(handler, type);
                                    handler.HandleTriple(new Triple(subjectNode, rdfTypeNode, typeNode, graphIri));
                                }
                            }
                            else if (JsonLdProcessor.IsKeyword(property))
                            {
                                continue;
                            }
                            else if (JsonLdProcessor.IsBlankNodeIdentifier(property) && !ParserOptions.ProduceGeneralizedRdf)
                            {
                                continue;
                            }
                            else if (JsonLdProcessor.IsRelativeIri(property))
                            {
                                continue;
                            }
                            else
                            {
                                foreach (var item in values)
                                {
                                    var predicateNode = MakeNode(handler, property);
                                    var objectNode    = MakeNode(handler, item);
                                    if (objectNode != null)
                                    {
                                        handler.HandleTriple(new Triple(subjectNode, predicateNode, objectNode,
                                                                        graphIri));
                                    }
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception)
            {
                handler.EndRdf(false);
                throw;
            }
            handler.EndRdf(true);
        }
Exemplo n.º 9
0
        private async Task <string> GetServiceUri(Uri type)
        {
            // Read the root document (usually out of the cache :))
            JObject doc;
            var     sourceUrl = new Uri(_source.Url);

            if (sourceUrl.IsFile)
            {
                using (var reader = new System.IO.StreamReader(
                           sourceUrl.LocalPath))
                {
                    string json = await reader.ReadToEndAsync();

                    doc = JObject.Parse(json);
                }
            }
            else
            {
                doc = await _client.GetFile(sourceUrl);
            }

            var obj = JsonLdProcessor.Expand(doc).FirstOrDefault();

            if (obj == null)
            {
                throw new NuGetProtocolException(Strings.Protocol_IndexMissingResourcesNode);
            }
            var resources = obj[ServiceUris.Resources.ToString()] as JArray;

            if (resources == null)
            {
                throw new NuGetProtocolException(Strings.Protocol_IndexMissingResourcesNode);
            }

            // Query it for the requested service
            var candidates = (from resource in resources.OfType <JObject>()
                              let resourceType = resource["@type"].Select(t => t.ToString()).FirstOrDefault()
                                                 where resourceType != null && Equals(resourceType, type.ToString())
                                                 select resource)
                             .ToList();

            NuGetTraceSources.V3SourceRepository.Verbose(
                "service_candidates",
                "Found {0} candidates for {1} service: [{2}]",
                candidates.Count,
                type,
                String.Join(", ", candidates.Select(c => c.Value <string>("@id"))));

            var selected = candidates.FirstOrDefault();

            if (selected != null)
            {
                NuGetTraceSources.V3SourceRepository.Info(
                    "getserviceuri",
                    "Found {0} service at {1}",
                    selected["@type"][0],
                    selected["@id"]);
                return(selected.Value <string>("@id"));
            }
            else
            {
                NuGetTraceSources.V3SourceRepository.Error(
                    "getserviceuri_failed",
                    "Unable to find compatible {0} service on {1}",
                    type,
                    _root);
                return(null);
            }
        }
Exemplo n.º 10
0
 public async virtual Task <JArray> GetExpanded()
 {
     return(JsonLdProcessor.Expand(await GetJObject()));
 }
Exemplo n.º 11
0
 protected override void AssertSingleEntityMessage(string result)
 {
     JsonLdProcessor.Expand(JToken.Parse(result)).ToString().Should().Be(JsonLdProcessor.Expand(JToken.Parse(Body)).ToString());
 }