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/MatchesReader.java | 113 +++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/cuchaz/enigma/convert/MatchesReader.java

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

diff --git a/src/cuchaz/enigma/convert/MatchesReader.java b/src/cuchaz/enigma/convert/MatchesReader.java
new file mode 100644
index 0000000..7514e2a
--- /dev/null
+++ b/src/cuchaz/enigma/convert/MatchesReader.java
@@ -0,0 +1,113 @@
+/*******************************************************************************
+ * 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.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.Collection;
+import java.util.List;
+
+import com.google.common.collect.Lists;
+
+import cuchaz.enigma.mapping.ClassEntry;
+import cuchaz.enigma.mapping.Entry;
+import cuchaz.enigma.mapping.EntryFactory;
+import cuchaz.enigma.mapping.FieldEntry;
+import cuchaz.enigma.mapping.Type;
+
+
+public class MatchesReader {
+	
+	public static ClassMatches readClasses(File file)
+	throws IOException {
+		try (BufferedReader in = new BufferedReader(new FileReader(file))) {
+			ClassMatches matches = new ClassMatches();
+			String line = null;
+			while ((line = in.readLine()) != null) {
+				matches.add(readClassMatch(line));
+			}
+			return matches;
+		}
+	}
+
+	private static ClassMatch readClassMatch(String line)
+	throws IOException {
+		String[] sides = line.split(":", 2);
+		return new ClassMatch(readClasses(sides[0]), readClasses(sides[1]));
+	}
+
+	private static Collection<ClassEntry> readClasses(String in) {
+		List<ClassEntry> entries = Lists.newArrayList();
+		for (String className : in.split(",")) {
+			className = className.trim();
+			if (className.length() > 0) {
+				entries.add(new ClassEntry(className));
+			}
+		}
+		return entries;
+	}
+
+	public static <T extends Entry> MemberMatches<T> readMembers(File file)
+	throws IOException {
+		try (BufferedReader in = new BufferedReader(new FileReader(file))) {
+			MemberMatches<T> matches = new MemberMatches<T>();
+			String line = null;
+			while ((line = in.readLine()) != null) {
+				readMemberMatch(matches, line);
+			}
+			return matches;
+		}
+	}
+
+	private static <T extends Entry> void readMemberMatch(MemberMatches<T> matches, String line) {
+		if (line.startsWith("!")) {
+			T source = readEntry(line.substring(1));
+			matches.addUnmatchableSourceEntry(source);
+		} else {
+			String[] parts = line.split(":", 2);
+			T source = readEntry(parts[0]);
+			T dest = readEntry(parts[1]);
+			if (source != null && dest != null) {
+				matches.addMatch(source, dest);
+			} else if (source != null) {
+				matches.addUnmatchedSourceEntry(source);
+			} else if (dest != null) {
+				matches.addUnmatchedDestEntry(dest);
+			}
+		}
+	}
+
+	@SuppressWarnings("unchecked")
+	private static <T extends Entry> T readEntry(String in) {
+		if (in.length() <= 0) {
+			return null;
+		}
+		String[] parts = in.split(" ");
+		if (parts.length == 3 && parts[2].indexOf('(') < 0) {
+			return (T)new FieldEntry(
+				new ClassEntry(parts[0]),
+				parts[1],
+				new Type(parts[2])
+			);
+		} else {
+			assert(parts.length == 2 || parts.length == 3);
+			if (parts.length == 2) {
+				return (T)EntryFactory.getBehaviorEntry(parts[0], parts[1]);
+			} else if (parts.length == 3) {
+				return (T)EntryFactory.getBehaviorEntry(parts[0], parts[1], parts[2]);
+			} else {
+				throw new Error("Malformed behavior entry: " + in);
+			}
+		}
+	}
+}
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