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using System;
using System.IO;
using SemWeb;
using SemWeb.Inference;
using SemWeb.Query;
public class EulerDriver {
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);
}
}
}
}
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