1 files changed, 40 insertions, 0 deletions

diff --git a/src/cuchaz/enigma/convert/MatchesReader.java b/src/cuchaz/enigma/convert/MatchesReader.java
index b43535c..1dd042d 100644
--- a/src/cuchaz/enigma/convert/MatchesReader.java
+++ b/src/cuchaz/enigma/convert/MatchesReader.java
@@ -10,6 +10,8 @@ import java.util.List;
 import com.beust.jcommander.internal.Lists;
 
 import cuchaz.enigma.mapping.ClassEntry;
+import cuchaz.enigma.mapping.FieldEntry;
+import cuchaz.enigma.mapping.Type;
 
 
 public class MatchesReader {
@@ -42,4 +44,42 @@ public class MatchesReader {
                 }
                 return entries;
         }
+
+        public static FieldMatches readFields(File file)
+        throws IOException {
+                try (BufferedReader in = new BufferedReader(new FileReader(file))) {
+                        FieldMatches matches = new FieldMatches();
+                        String line = null;
+                        while ((line = in.readLine()) != null) {
+                                readFieldMatch(matches, line);
+                        }
+                        return matches;
+                }
+        }
+
+        private static void readFieldMatch(FieldMatches matches, String line) {
+                String[] parts = line.split(":", 2);
+                FieldEntry source = readField(parts[0]);
+                FieldEntry dest = readField(parts[1]);
+                if (source != null && dest != null) {
+                        matches.addMatch(source, dest);
+                } else if (source != null) {
+                        matches.addUnmatchedSourceField(source);
+                } else if (dest != null) {
+                        matches.addUnmatchedDestField(dest);
+                }
+        }
+
+        private static FieldEntry readField(String in) {
+                if (in.length() <= 0) {
+                        return null;
+                }
+                String[] parts = in.split(" ");
+                assert(parts.length == 3);
+                return new FieldEntry(
+                        new ClassEntry(parts[0]),
+                        parts[1],
+                        new Type(parts[2])
+                );
+        }
 }