/// <summary>
/// Loads a RDF Dataset from the NQuads input using a RDF Handler
/// </summary>
/// <param name="handler">RDF Handler to use</param>
/// <param name="parameters">Parameters indicating the Stream to read from</param>
public void Load(IRdfHandler handler, IStoreParams parameters)
{
if (handler == null) throw new ArgumentNullException("handler", "Cannot parse an RDF Dataset using a null RDF Handler");
if (parameters == null) throw new ArgumentNullException("parameters", "Cannot parse an RDF Dataset using null Parameters");
//Try and get the Input from the parameters
TextReader input = null;
if (parameters is StreamParams)
{
//Get Input Stream
input = ((StreamParams)parameters).StreamReader;
#if !SILVERLIGHT
//Issue a Warning if the Encoding of the Stream is not ASCII
if (!((StreamReader)input).CurrentEncoding.Equals(Encoding.ASCII))
{
this.RaiseWarning("Expected Input Stream to be encoded as ASCII but got a Stream encoded as " + ((StreamReader)input).CurrentEncoding.EncodingName + " - Please be aware that parsing errors may occur as a result");
}
#endif
}
else if (parameters is TextReaderParams)
{
input = ((TextReaderParams)parameters).TextReader;
}
if (input != null)
{
try
{
//Setup Token Queue and Tokeniser
NTriplesTokeniser tokeniser = new NTriplesTokeniser(input);
tokeniser.NQuadsMode = true;
TokenQueue tokens = new TokenQueue();
tokens.Tokeniser = tokeniser;
tokens.Tracing = this._tracetokeniser;
tokens.InitialiseBuffer();
//Invoke the Parser
this.Parse(handler, tokens);
}
catch
{
throw;
}
finally
{
try
{
input.Close();
}
catch
{
//No catch actions - just cleaning up
}
}
}
else
{
throw new RdfStorageException("Parameters for the NQuadsParser must be of the type StreamParams/TextReaderParams");
}
}
public static void Main(string[] args)
{
StreamWriter output = new StreamWriter("ParserSpeedTest.txt");
Notation3Parser n3parser = new Notation3Parser();
TurtleParser ttlparser = new TurtleParser();
ITokenQueue queue;
DateTime start, end;
long diff;
bool tokeniseOnly = false;
Console.SetOut(output);
String[] files = { "turtle_tests/test-14.ttl", "turtle_tests/test-15.ttl", "turtle_tests/test-16.ttl" };
foreach (String file in files)
{
Console.WriteLine("## Testing File " + file);
//Use Turtle Tokeniser
Debug.WriteLine("Testing file " + file + " using Turtle Tokeniser");
Console.WriteLine("# Using Turtle Tokeniser Only");
queue = new TokenQueue();
queue.Tokeniser = new TurtleTokeniser(new StreamReader(file));
Console.WriteLine("# Test Started at " + DateTime.Now.ToString(TestSuite.TestSuiteTimeFormat));
queue.InitialiseBuffer();
Console.WriteLine("# Test Finished at " + DateTime.Now.ToString(TestSuite.TestSuiteTimeFormat));
//Use Turtle Parser
if (!tokeniseOnly)
{
Debug.WriteLine("Testing file " + file + " using Turtle Parser");
Console.WriteLine("# Using Turtle Parser");
Console.WriteLine("# Test Started at " + DateTime.Now.ToString(TestSuite.TestSuiteTimeFormat));
start = DateTime.Now;
Debug.WriteLine("Start " + start.ToString(TestSuite.TestSuiteTimeFormat));
Test(file, ttlparser, output);
Console.WriteLine("# Test Finished at " + DateTime.Now.ToString(TestSuite.TestSuiteTimeFormat));
end = DateTime.Now;
diff = Microsoft.VisualBasic.DateAndTime.DateDiff(Microsoft.VisualBasic.DateInterval.Second, start, end, Microsoft.VisualBasic.FirstDayOfWeek.Saturday, Microsoft.VisualBasic.FirstWeekOfYear.System);
Console.WriteLine("Read Time was " + diff + " seconds");
Debug.WriteLine("End " + end.ToString(TestSuite.TestSuiteTimeFormat));
Debug.WriteLine("Read Time was " + diff + " seconds");
Console.WriteLine();
}
//Use Notation 3 Tokeniser
Debug.WriteLine("Testing file " + file + " using Notation 3 Tokeniser");
Console.WriteLine("# Using Notation 3 Tokeniser Only");
queue = new TokenQueue();
queue.Tokeniser = new Notation3Tokeniser(new StreamReader(file));
Console.WriteLine("# Test Started at " + DateTime.Now.ToString(TestSuite.TestSuiteTimeFormat));
queue.InitialiseBuffer();
Console.WriteLine("# Test Finished at " + DateTime.Now.ToString(TestSuite.TestSuiteTimeFormat));
//Use Notation 3 Parser
if (!tokeniseOnly)
{
Debug.WriteLine("Testing file " + file + " using Notation 3 Parser");
Console.WriteLine("# Using Notation 3 Parser");
Console.WriteLine("# Test Started at " + DateTime.Now.ToString(TestSuite.TestSuiteTimeFormat));
start = DateTime.Now;
Debug.WriteLine("Start " + start.ToString(TestSuite.TestSuiteTimeFormat));
Test(file, n3parser, output);
Console.WriteLine("# Test Finished at " + DateTime.Now.ToString(TestSuite.TestSuiteTimeFormat));
end = DateTime.Now;
diff = Microsoft.VisualBasic.DateAndTime.DateDiff(Microsoft.VisualBasic.DateInterval.Second, start, end, Microsoft.VisualBasic.FirstDayOfWeek.Saturday, Microsoft.VisualBasic.FirstWeekOfYear.System);
Console.WriteLine("Read Time was " + diff + " seconds");
Debug.WriteLine("End " + end.ToString(TestSuite.TestSuiteTimeFormat));
Debug.WriteLine("Read Time was " + diff + " seconds");
Console.WriteLine();
}
}
output.Close();
}
