1 files changed, 109 insertions, 0 deletions

diff --git a/src/main/java/cuchaz/enigma/convert/MatchesReader.java b/src/main/java/cuchaz/enigma/convert/MatchesReader.java
new file mode 100644
index 0000000..773566d
--- /dev/null
+++ b/src/main/java/cuchaz/enigma/convert/MatchesReader.java
@@ -0,0 +1,109 @@
+/*******************************************************************************
+ * 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
+ * <p>
+ * Contributors:
+ * Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.convert;
+
+import com.google.common.collect.Lists;
+
+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 cuchaz.enigma.mapping.*;
+
+
+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);
+            }
+        }
+    }
+}