From 741e3472f76d959645ee0e025547d69a03e5b6f2 Mon Sep 17 00:00:00 2001
From: jeff
Date: Sat, 28 Feb 2015 18:00:25 -0500
Subject: fix up conversion tool to handle Minecraft 1.8.3

---
 src/cuchaz/enigma/convert/ClassMatch.java | 72 +++++++++++++++++++++++++++++++
 1 file changed, 72 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..9cecf70
--- /dev/null
+++ b/src/cuchaz/enigma/convert/ClassMatch.java
@@ -0,0 +1,72 @@
+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) {
+		this.sourceClasses = Sets.newHashSet(sourceClass);
+		this.destClasses = Sets.newHashSet(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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