From e3f452250e51b7271f3989c7dfd12e4422934942 Mon Sep 17 00:00:00 2001
From: Michael Smith
Date: Thu, 21 May 2015 23:30:00 +0100
Subject: Support Gradle alongside SSJB

This makes builds faster, simpler and better automated but still keeps
Cuchaz happy. :)
---
 src/cuchaz/enigma/convert/ClassMatch.java | 88 +++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/cuchaz/enigma/convert/ClassMatch.java

(limited to 'src/cuchaz/enigma/convert/ClassMatch.java')

diff --git a/src/cuchaz/enigma/convert/ClassMatch.java b/src/cuchaz/enigma/convert/ClassMatch.java
new file mode 100644
index 0000000..8c50a62
--- /dev/null
+++ b/src/cuchaz/enigma/convert/ClassMatch.java
@@ -0,0 +1,88 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Lesser General Public
+ * License v3.0 which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/lgpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.convert;
+
+import java.util.Collection;
+import java.util.Set;
+
+import com.google.common.collect.Sets;
+
+import cuchaz.enigma.Util;
+import cuchaz.enigma.mapping.ClassEntry;
+
+
+public class ClassMatch {
+	
+	public Set<ClassEntry> sourceClasses;
+	public Set<ClassEntry> destClasses;
+	
+	public ClassMatch(Collection<ClassEntry> sourceClasses, Collection<ClassEntry> destClasses) {
+		this.sourceClasses = Sets.newHashSet(sourceClasses);
+		this.destClasses = Sets.newHashSet(destClasses);
+	}
+	
+	public ClassMatch(ClassEntry sourceClass, ClassEntry destClass) {
+		sourceClasses = Sets.newHashSet();
+		if (sourceClass != null) {
+			sourceClasses.add(sourceClass);
+		}
+		destClasses = Sets.newHashSet();
+		if (destClass != null) {
+			destClasses.add(destClass);
+		}
+	}
+	
+	public boolean isMatched() {
+		return sourceClasses.size() > 0 && destClasses.size() > 0;
+	}
+
+	public boolean isAmbiguous() {
+		return sourceClasses.size() > 1 || destClasses.size() > 1;
+	}
+	
+	public ClassEntry getUniqueSource() {
+		if (sourceClasses.size() != 1) {
+			throw new IllegalStateException("Match has ambiguous source!");
+		}
+		return sourceClasses.iterator().next();
+	}
+	
+	public ClassEntry getUniqueDest() {
+		if (destClasses.size() != 1) {
+			throw new IllegalStateException("Match has ambiguous source!");
+		}
+		return destClasses.iterator().next();
+	}
+
+	public Set<ClassEntry> intersectSourceClasses(Set<ClassEntry> classes) {
+		Set<ClassEntry> intersection = Sets.newHashSet(sourceClasses);
+		intersection.retainAll(classes);
+		return intersection;
+	}
+	
+	@Override
+	public int hashCode() {
+		return Util.combineHashesOrdered(sourceClasses, destClasses);
+	}
+	
+	@Override
+	public boolean equals(Object other) {
+		if (other instanceof ClassMatch) {
+			return equals((ClassMatch)other);
+		}
+		return false;
+	}
+	
+	public boolean equals(ClassMatch other) {
+		return this.sourceClasses.equals(other.sourceClasses)
+			&& this.destClasses.equals(other.destClasses);
+	}
+}
-- 
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