From 17bd9beaf7f358a44e5bf36a5855fe6727d506dc Mon Sep 17 00:00:00 2001
From: Federico Igne <federico.igne@cs.ox.ac.uk>
Date: Tue, 10 May 2022 18:17:06 +0100
Subject: [pagoda] Move project to Scala

This commit includes a few changes:
- The repository still uses Maven to manage dependency but it is now a
  Scala project.
- The code has been ported from OWLAPI 3.4.10 to 5.1.20
- A proof of concept program using both RSAComb and PAGOdA has been
  added.
---
 .../ox/cs/pagoda/util/ConjunctiveQueryHelper.java  | 70 ----------------------
 1 file changed, 70 deletions(-)
 delete mode 100644 src/uk/ac/ox/cs/pagoda/util/ConjunctiveQueryHelper.java

(limited to 'src/uk/ac/ox/cs/pagoda/util/ConjunctiveQueryHelper.java')

diff --git a/src/uk/ac/ox/cs/pagoda/util/ConjunctiveQueryHelper.java b/src/uk/ac/ox/cs/pagoda/util/ConjunctiveQueryHelper.java
deleted file mode 100644
index 937c2c4..0000000
--- a/src/uk/ac/ox/cs/pagoda/util/ConjunctiveQueryHelper.java
+++ /dev/null
@@ -1,70 +0,0 @@
-package uk.ac.ox.cs.pagoda.util;
-
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedList;
-
-public class ConjunctiveQueryHelper {
-	
-	public static String[][] getAnswerVariables(String queryText) {
-		Collection<String> disVars = new LinkedList<String>(), undisVars = new LinkedList<String>(); 
-		for (String var: getAllVariables(queryText))
-			if (var.startsWith("?")) disVars.add(var.substring(1)); 
-			else undisVars.add(var.substring(2));
-		
-		String[] distinguishedVariables = disVars.toArray(new String[0]); 
-		String[] undistinguishedVariables = undisVars.toArray(new String[0]); 
-		String[] answerVariables = null;
-		
-		String uppercase = queryText.toUpperCase(); 
-		int selectIndex = uppercase.indexOf("SELECT");
-		int whereIndex = uppercase.indexOf("WHERE"); 
-		String selectClause = queryText.substring(selectIndex + 6, whereIndex); 
-		if (selectClause.contains("*")) answerVariables = distinguishedVariables;
-		else {
-			String[] terms = selectClause.split(" ");
-			int num = 0; 
-			for (int i = 0; i < terms.length; ++i)
-				if (terms[i].startsWith("?")) ++num;
-			answerVariables = new String[num]; 
-			for (int i = 0, j = 0; i < terms.length; ++i)
-				if (terms[i].startsWith("?"))
-					answerVariables[j++] = terms[i].substring(1);
-		}
-	
-		if (answerVariables != distinguishedVariables) {
-			int index = 0; 
-			for (; index < answerVariables.length; ++index) {
-				distinguishedVariables[index] = answerVariables[index]; 
-				disVars.remove(answerVariables[index]); 
-			}
-			for (String var: disVars)
-				distinguishedVariables[index++] = var; 
-		}
-		
-		return new String[][] { answerVariables, distinguishedVariables, undistinguishedVariables };
-	}
-
-	private static Collection<String> getAllVariables(String queryText) {
-		Collection<String> vars = new HashSet<String>(); 
-		int start, end = 0; 
-		char ch; 
-		while ((start = queryText.indexOf("?", end)) != -1) {
-			end = start + 1; 
-			while (end + 1 < queryText.length() && (ch = queryText.charAt(end + 1)) != '\n' && ch != ' ') 
-				++end;
-			vars.add(queryText.substring(start, end + 1)); 
-		}
-		
-		end = 0; 
-		while ((start = queryText.indexOf("_:", end)) != -1) {
-			end = start + 1; 
-			while (end + 1 < queryText.length() && (ch = queryText.charAt(end + 1)) != '\n' && ch != ' ') 
-				++end;
-			vars.add(queryText.substring(start, end + 1)); 
-		}
-
-		return vars; 
-	}
-
-}
-- 
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