static void RunManifestFile(string manifestfile)
{
// Load the manifest file
manifestfile = Path.GetDirectoryName(manifestfile) + "/"; // for good measure
MemoryStore manifest = new MemoryStore();
using (RdfReader m = new N3Reader(manifestfile + "/manifest.ttl")) {
m.BaseUri = manifestfile;
manifest.Import(m);
}
// Declare some resources
Entity rdf_first = "http://www.w3.org/1999/02/22-rdf-syntax-ns#first";
Entity rdf_rest = "http://www.w3.org/1999/02/22-rdf-syntax-ns#rest";
Entity rdf_nil = "http://www.w3.org/1999/02/22-rdf-syntax-ns#nil";
Entity mf_entries = "http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#entries";
// Get the start of the entries list.
Entity entries_root = (Entity)manifest.SelectObjects(manifestfile, mf_entries)[0];
// Loop through the tests.
while (true) {
Entity test = (Entity)manifest.SelectObjects(entries_root, rdf_first)[0];
RunTest(test, manifest);
entries_root = (Entity)manifest.SelectObjects(entries_root, rdf_rest)[0];
if (entries_root == rdf_nil)
break;
}
}
public static RdfReader LoadFromUri(Uri webresource)
{
// TODO: Add Accept header for HTTP resources.
System.Net.WebRequest rq = System.Net.WebRequest.Create(webresource);
System.Net.WebResponse resp = rq.GetResponse();
string mimetype = resp.ContentType;
if (mimetype.IndexOf(';') > -1)
{
mimetype = mimetype.Substring(0, mimetype.IndexOf(';'));
}
mimetype = NormalizeMimeType(mimetype.Trim());
RdfReader reader;
if (mimetype == "xml" || mimetype == "application/rss+xml")
{
reader = new RdfXmlReader(resp.GetResponseStream());
}
else if (mimetype == "n3" || mimetype == "turtle")
{
reader = new N3Reader(new StreamReader(resp.GetResponseStream(), System.Text.Encoding.UTF8));
}
else if (webresource.LocalPath.EndsWith(".rdf") || webresource.LocalPath.EndsWith(".xml") || webresource.LocalPath.EndsWith(".rss"))
{
reader = new RdfXmlReader(resp.GetResponseStream());
}
else if (webresource.LocalPath.EndsWith(".n3") || webresource.LocalPath.EndsWith(".ttl") || webresource.LocalPath.EndsWith(".nt"))
{
reader = new N3Reader(new StreamReader(resp.GetResponseStream(), System.Text.Encoding.UTF8));
}
else
{
throw new InvalidOperationException("Could not determine the RDF format of the resource.");
}
reader.BaseUri = resp.ResponseUri.ToString();
return(reader);
}
public static void Main(string[] args)
{
if (args.Length < 2) {
Console.WriteLine("Usage: euler.exe axioms.n3 axioms... {questions.n3 | -sparql query.sparql}");
return;
}
// Load Axioms
bool sparql = false;
MemoryStore axioms = new MemoryStore();
for (int i = 0; i < args.Length-1; i++) {
if (i > 0 && i == args.Length-2 && args[i] == "-sparql") {
sparql = true;
break;
}
N3Reader axiomsreader = new N3Reader(args[i]);
axiomsreader.BaseUri = "http://www.example.org/arbitrary/base#";
axioms.Import(axiomsreader);
}
Euler engine = new Euler(axioms);
// Load question
if (!sparql) {
MemoryStore question = new MemoryStore();
question.Import(new N3Reader(args[args.Length-1]));
Proof[] proofs = engine.Prove(null, question.ToArray());
foreach (Proof p in proofs) {
Console.WriteLine(p.ToString());
}
} else {
using (StreamReader fs = new StreamReader(args[args.Length-1])) {
string q = fs.ReadToEnd();
Store store = new Store();
store.AddReasoner(engine);
SparqlEngine s = new SparqlEngine(q);
s.Run(store, Console.Out);
}
}
}
public ArtifactStore(string storeLocation)
{
string ontology = "";
string data = "";
store = new MemoryStore();
ontology = Read(Constants.OntologyUri);
store.AddReasoner(new Euler(new N3Reader(new StringReader(ontology))));
if (File.Exists(storeLocation))
{
switch (GetStoreFormat(storeLocation))
{
case StoreFormat.N3:
data = File.ReadAllText(storeLocation);
N3Reader reader = new N3Reader(new StringReader(data));
store.Import(reader);
break;
case StoreFormat.RDF:
data = File.ReadAllText(storeLocation);
store.Import(new RdfXmlReader(new StringReader(data)));
break;
}
}
}
public static void Main(string[] args)
{
if (args.Length != 2) {
Console.WriteLine("runtests.exe basepath manifestfile");
return;
}
basepath = args[0];
string manifestfile = Path.Combine(basepath, args[1]);
RdfReader reader = new RdfXmlReader(manifestfile);
if (!manifestfile.EndsWith(".rdf"))
reader = new N3Reader(manifestfile);
reader.BaseUri = "http://www.example.org/";
MemoryStore testlist = new MemoryStore(reader);
// RDF/XML TESTS
foreach (Entity test in testlist.GetEntitiesOfType("http://www.w3.org/2000/10/rdf-tests/rdfcore/testSchema#PositiveParserTest"))
RunTest(testlist, test, true, 0);
foreach (Entity test in testlist.GetEntitiesOfType("http://www.w3.org/2000/10/rdf-tests/rdfcore/testSchema#NegativeParserTest"))
RunTest(testlist, test, false, 0);
// N3 TESTS
foreach (Entity test in testlist.GetEntitiesOfType("http://www.w3.org/2004/11/n3test#PositiveParserTest"))
RunTest(testlist, test, true, 1);
foreach (Entity test in testlist.GetEntitiesOfType("http://www.w3.org/2004/11/n3test#NegativeParserTest"))
RunTest(testlist, test, false, 1);
Console.WriteLine("Total Tests:\t{0}", total);
Console.WriteLine("Total Failures:\t{0} ({1}%)", badfail+badpass, (int)(100*(float)(badpass+badfail)/total));
Console.WriteLine("Positive Fails:\t{0}", badfail);
Console.WriteLine("Negative Fails:\t{0}", badpass);
Console.WriteLine("Test Errors:\t{0}", error);
}
public static RdfReader LoadFromUri(Uri webresource) {
// TODO: Add Accept header for HTTP resources.
System.Net.WebRequest rq = System.Net.WebRequest.Create(webresource);
System.Net.WebResponse resp = rq.GetResponse();
string mimetype = resp.ContentType;
if (mimetype.IndexOf(';') > -1)
mimetype = mimetype.Substring(0, mimetype.IndexOf(';'));
mimetype = NormalizeMimeType(mimetype.Trim());
RdfReader reader;
if (mimetype == "xml" || mimetype == "application/rss+xml")
reader = new RdfXmlReader(resp.GetResponseStream());
else if (mimetype == "n3")
reader = new N3Reader(new StreamReader(resp.GetResponseStream(), System.Text.Encoding.UTF8));
else if (webresource.LocalPath.EndsWith(".rdf") || webresource.LocalPath.EndsWith(".xml") || webresource.LocalPath.EndsWith(".rss"))
reader = new RdfXmlReader(resp.GetResponseStream());
else if (webresource.LocalPath.EndsWith(".n3") || webresource.LocalPath.EndsWith(".ttl") || webresource.LocalPath.EndsWith(".nt"))
reader = new N3Reader(new StreamReader(resp.GetResponseStream(), System.Text.Encoding.UTF8));
else
throw new InvalidOperationException("Could not determine the RDF format of the resource.");
reader.BaseUri = resp.ResponseUri.ToString();
return reader;
}
static void RunTest(Entity test, Store manifest)
{
Entity rdf_type = "http://www.w3.org/1999/02/22-rdf-syntax-ns#type";
Entity mf_PositiveSyntaxTest = "http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#PositiveSyntaxTest";
Entity mf_NegativeSyntaxTest = "http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#NegativeSyntaxTest";
Entity mf_QueryTest = "http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#QueryEvaluationTest";
Entity mf_action = "http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#action";
Entity mf_result = "http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#result";
Entity qt_data = "http://www.w3.org/2001/sw/DataAccess/tests/test-query#data";
Entity qt_query = "http://www.w3.org/2001/sw/DataAccess/tests/test-query#query";
Entity test_type = (Entity)manifest.SelectObjects(test, rdf_type)[0];
Entity action = (Entity)manifest.SelectObjects(test, mf_action)[0];
if (test_type == mf_PositiveSyntaxTest || test_type == mf_NegativeSyntaxTest) {
// The action is a query.
// Load the action as a string.
string q = ReadFile(action.Uri);
// Run the action.
try {
new SparqlEngine(q);
} catch (SemWeb.Query.QueryFormatException qfe) {
// On a negative test: Good!
if (test_type == mf_NegativeSyntaxTest) {
pass++;
return;
}
Console.WriteLine("Test Failed: " + action);
Console.WriteLine(qfe.Message);
Console.WriteLine(q);
Console.WriteLine();
fail++;
return;
}
// On a positive test: Good!
if (test_type == mf_PositiveSyntaxTest) {
pass++;
return;
}
Console.WriteLine("Test Failed: " + action);
Console.WriteLine("Query is syntactically incorrect.");
Console.WriteLine(q);
Console.WriteLine();
fail++;
} else if (test_type == mf_QueryTest) {
Entity data = (Entity)manifest.SelectObjects(action, qt_data)[0];
Entity query = (Entity)manifest.SelectObjects(action, qt_query)[0];
Entity result = (Entity)manifest.SelectObjects(test, mf_result)[0];
MemoryStore data_store = new MemoryStore(new N3Reader(data.Uri));
string q = ReadFile(query.Uri);
if (q.IndexOf("ASK") >= 0) {
Console.WriteLine("ASK Test Skipped: " + test);
skip++;
return;
}
string run_individual_test = "mono ../../bin/rdfquery.exe -type sparql n3:" + data.Uri + " < " + query.Uri;
SparqlEngine sp;
try {
sp = new SparqlEngine(q);
} catch (SemWeb.Query.QueryFormatException qfe) {
Console.WriteLine("Test Failed: " + test);
Console.WriteLine(run_individual_test);
Console.WriteLine(q);
Console.WriteLine(qfe.Message);
Console.WriteLine();
fail++;
return;
}
QueryResultBuffer results = new QueryResultBuffer();
bool results_bool = false;
try {
if (sp.Type != SparqlEngine.QueryType.Ask)
sp.Run(data_store, results);
else
results_bool = sp.Ask(data_store);
} catch (Exception e) {
Console.WriteLine("Test Failed: " + test);
Console.WriteLine(run_individual_test);
Console.WriteLine(q);
Console.WriteLine(e);
Console.WriteLine();
fail++;
return;
}
bool failed = false;
StringBuilder info = new StringBuilder();
if (result.Uri.EndsWith(".ttl") || result.Uri.EndsWith(".srx") || result.Uri.EndsWith(".rdf")) {
bool sorted = false;
QueryResultBuffer results2 = new QueryResultBuffer();
if (result.Uri.EndsWith(".srx")) {
using (FileStream fs = new FileStream(result.Uri, FileMode.Open))
SemWeb.Remote.SparqlHttpSource.ParseSparqlResponse(fs, results2);
} else if (result.Uri.EndsWith(".rdf") || result.Uri.EndsWith(".ttl")) {
RdfReader reader = null;
if (result.Uri.EndsWith(".rdf"))
reader = new RdfXmlReader(result.Uri);
else if (result.Uri.EndsWith(".ttl"))
reader = new N3Reader(result.Uri);
MemoryStore result_store = new MemoryStore(reader);
string rs = "http://www.w3.org/2001/sw/DataAccess/tests/result-set#";
Entity rsResultSet = rs + "ResultSet";
Entity rsresultVariable = rs + "resultVariable";
Entity rssolution = rs + "solution";
Entity rsindex = rs + "index";
Entity rsbinding = rs + "binding";
Entity rsvariable = rs + "variable";
Entity rsvalue = rs + "value";
// get a list of variables in the query output
Entity resultset = result_store.GetEntitiesOfType(rsResultSet)[0];
ArrayList vars = new ArrayList();
foreach (Literal var in result_store.SelectObjects(resultset, rsresultVariable))
vars.Add(new Variable(var.Value));
Variable[] varsarray = (Variable[])vars.ToArray(typeof(Variable));
// try to order as best we can to our own output, so we sort the results the same way
for (int i = 0; i < results.Variables.Length; i++) {
if (i >= varsarray.Length) break;
for (int j = i; j < varsarray.Length; j++) {
if (varsarray[j].LocalName == results.Variables[i].LocalName) {
Variable temp = varsarray[i];
varsarray[i] = varsarray[j];
varsarray[j] = temp;
break;
}
}
}
Hashtable varmap = new Hashtable();
foreach (Variable v in varsarray)
varmap[v.LocalName] = varmap.Count;
results2.Init(varsarray);
Resource[] resultbindings = result_store.SelectObjects(resultset, rssolution);
// Try sorting by index
int[] indexes = new int[resultbindings.Length];
for (int i = 0; i < resultbindings.Length; i++) {
Entity binding = (Entity)resultbindings[i];
Literal index = (Literal)result_store.SelectObjects(binding, rsindex)[0];
indexes[i] = (int)(Decimal)index.ParseValue();
sorted = true;
}
Array.Sort(indexes, resultbindings);
// Add bindings into results2.
for (int i = 0; i < resultbindings.Length; i++) {
Resource[] row = new Resource[vars.Count];
Entity binding = (Entity)resultbindings[i];
foreach (Entity var in result_store.SelectObjects(binding, rsbinding)) {
string name = ((Literal)result_store.SelectObjects(var, rsvariable)[0]).Value;
Resource val = result_store.SelectObjects(var, rsvalue)[0];
row[(int)varmap[name]] = val;
}
results2.Add(new VariableBindings(varsarray, row));
}
}
// Check variable list
ArrayList vars1 = new ArrayList();
foreach (Variable v in results.Variables)
vars1.Add(v.LocalName);
ArrayList vars2 = new ArrayList();
foreach (Variable v in results2.Variables)
vars2.Add(v.LocalName);
failed |= !SetsSame(vars1, vars2, "Result Set Variables", info);
// Checking bindings
if (results.Bindings.Count != results2.Bindings.Count) {
info.Append("Solutions have different number of bindings.\n");
failed = true;
} else {
// Now actually run comparison.
if (!sorted) {
((ArrayList)results.Bindings).Sort();
((ArrayList)results2.Bindings).Sort();
}
for (int i = 0; i < results.Bindings.Count; i++) {
VariableBindings b1 = (VariableBindings)results.Bindings[i];
VariableBindings b2 = (VariableBindings)results2.Bindings[i];
foreach (Variable var in results.Variables) {
Resource val1 = b1[var.LocalName];
Resource val2 = b2[var.LocalName];
if (val1 != val2 && !(val1 is BNode) && !(val2 is BNode)) { // TODO: Test bnodes are returned correctly
info.Append("Binding row " + i + " differ in value of " + var.LocalName + " variable: " + val2 + ", should be: " + val1 + "\n");
failed = true;
}
}
}
}
} else {
skip++;
Console.WriteLine(test + ": Unknown result type " + result.Uri);
}
if (failed) {
Console.WriteLine("Test Failed: " + test);
Console.WriteLine(run_individual_test);
Console.WriteLine(q);
Console.WriteLine(info.ToString());
Console.WriteLine();
fail++;
} else {
pass++;
}
} else {
skip++;
Console.WriteLine(test + ": Unknown test type " + test_type);
Console.WriteLine();
}
}
public Hashtable Validate()
{
string content = HttpContext.Current.Request.Form["content"];
string format = HttpContext.Current.Request.Form["format"];
if (content == null || content.Trim() == "" || format == null) {
HttpContext.Current.Response.Redirect("index.xpd");
throw new InvalidOperationException();
}
StringWriter output = new StringWriter();
RdfReader reader;
RdfWriter writer;
Hashtable response = new Hashtable();
response["InDocument"] = AddLineNumbers(content);
if (format == "xml") {
reader = new RdfXmlReader(new StringReader(content));
writer = new N3Writer(output);
response["InFormat"] = "RDF/XML";
response["OutFormat"] = "Notation 3";
} else if (format == "n3") {
reader = new N3Reader(new StringReader(content));
writer = new RdfXmlWriter(output);
response["OutFormat"] = "RDF/XML";
response["InFormat"] = "Notation 3";
} else {
throw new Exception("Invalid format.");
}
response["Validation"] = "Syntax validated OK.";
response["OutDocument"] = "";
response["Triples"] = "";
MemoryStore data = new MemoryStore();
try {
data.Import(reader);
} catch (Exception e) {
response["Validation"] = "Validation failed: " + e.Message + ".";
return response;
} finally {
if (reader.Warnings.Count > 0) {
response["Validation"] += " There were warnings: ";
foreach (string warning in reader.Warnings)
response["Validation"] += " " + warning + ".";
}
}
writer.Namespaces.AddFrom(reader.Namespaces);
try {
writer.Write(data);
writer.Close();
response["OutDocument"] = output.ToString();
} catch (Exception e) {
response["OutDocument"] = e.Message;
}
StringWriter triplesoutput = new StringWriter();
using (NTriplesWriter tripleswriter = new NTriplesWriter(triplesoutput)) {
tripleswriter.Write(data);
}
response["Triples"] = triplesoutput.ToString();
return response;
}
public void InteropSemWebGraphSource()
{
Graph g = new Graph();
//FileLoader.Load(g, "InferenceTest.ttl");
GraphSource source = new GraphSource(g);
Console.WriteLine("Reading the input using SemWeb");
N3Reader reader = new N3Reader("InferenceTest.ttl");
reader.Select(source);
Console.WriteLine();
Console.WriteLine("Outputting all Triples using N3Writer");
N3Writer writer = new N3Writer(Console.Out);
source.Select(writer);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Outputting all Triples of the form ?s rdf:type ?type");
Statement template = new Statement(new Variable(), new Entity(RdfSpecsHelper.RdfType), new Variable());
source.Select(template, writer);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Outputting all Triples of the form ?s rdf:type ?car");
template = new Statement(new Variable(), new Entity(RdfSpecsHelper.RdfType), new Entity("http://example.org/vehicles/Car"));
source.Select(template, writer);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Outputting all Triples for Cars and Planes");
SelectFilter filter = new SelectFilter();
filter.Predicates = new Entity[] { new Entity(RdfSpecsHelper.RdfType) };
filter.Objects = new Entity[] { new Entity("http://example.org/vehicles/Car"), new Entity("http://example.org/vehicles/Plane") };
source.Select(filter, writer);
Console.WriteLine();
Console.WriteLine();
writer.Close();
}