1 files changed, 172 insertions, 0 deletions

diff --git a/src/cuchaz/enigma/mapping/ClassEntry.java b/src/cuchaz/enigma/mapping/ClassEntry.java
new file mode 100644
index 0000000..373203f
--- /dev/null
+++ b/src/cuchaz/enigma/mapping/ClassEntry.java
@@ -0,0 +1,172 @@
+/*******************************************************************************
+ * 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.mapping;
+
+import java.io.Serializable;
+import java.util.List;
+
+import com.google.common.collect.Lists;
+
+public class ClassEntry implements Entry, Serializable {
+        
+        private static final long serialVersionUID = 4235460580973955811L;
+        
+        private String m_name;
+        
+        public ClassEntry(String className) {
+                if (className == null) {
+                        throw new IllegalArgumentException("Class name cannot be null!");
+                }
+                if (className.indexOf('.') >= 0) {
+                        throw new IllegalArgumentException("Class name must be in JVM format. ie, path/to/package/class$inner : " + className);
+                }
+                
+                m_name = className;
+                
+                if (isInnerClass() && getInnermostClassName().indexOf('/') >= 0) {
+                        throw new IllegalArgumentException("Inner class must not have a package: " + className);
+                }
+        }
+        
+        public ClassEntry(ClassEntry other) {
+                m_name = other.m_name;
+        }
+        
+        @Override
+        public String getName() {
+                return m_name;
+        }
+        
+        @Override
+        public String getClassName() {
+                return m_name;
+        }
+        
+        @Override
+        public ClassEntry getClassEntry() {
+                return this;
+        }
+        
+        @Override
+        public ClassEntry cloneToNewClass(ClassEntry classEntry) {
+                return classEntry;
+        }
+        
+        @Override
+        public int hashCode() {
+                return m_name.hashCode();
+        }
+        
+        @Override
+        public boolean equals(Object other) {
+                if (other instanceof ClassEntry) {
+                        return equals((ClassEntry)other);
+                }
+                return false;
+        }
+        
+        public boolean equals(ClassEntry other) {
+                return m_name.equals(other.m_name);
+        }
+        
+        @Override
+        public String toString() {
+                return m_name;
+        }
+        
+        public boolean isInnerClass() {
+                return m_name.lastIndexOf('$') >= 0;
+        }
+        
+        public List<String> getClassChainNames() {
+                return Lists.newArrayList(m_name.split("\\$"));
+        }
+        
+        public List<ClassEntry> getClassChain() {
+                List<ClassEntry> entries = Lists.newArrayList();
+                StringBuilder buf = new StringBuilder();
+                for (String name : getClassChainNames()) {
+                        if (buf.length() > 0) {
+                                buf.append("$");
+                        }
+                        buf.append(name);
+                        entries.add(new ClassEntry(buf.toString()));
+                }
+                return entries;
+        }
+        
+        public String getOutermostClassName() {
+                if (isInnerClass()) {
+                        return m_name.substring(0, m_name.indexOf('$'));
+                }
+                return m_name;
+        }
+        
+        public ClassEntry getOutermostClassEntry() {
+                return new ClassEntry(getOutermostClassName());
+        }
+        
+        public String getOuterClassName() {
+                if (!isInnerClass()) {
+                        throw new Error("This is not an inner class!");
+                }
+                return m_name.substring(0, m_name.lastIndexOf('$'));
+        }
+        
+        public ClassEntry getOuterClassEntry() {
+                return new ClassEntry(getOuterClassName());
+        }
+        
+        public String getInnermostClassName() {
+                if (!isInnerClass()) {
+                        throw new Error("This is not an inner class!");
+                }
+                return m_name.substring(m_name.lastIndexOf('$') + 1);
+        }
+        
+        public boolean isInDefaultPackage() {
+                return m_name.indexOf('/') < 0;
+        }
+        
+        public String getPackageName() {
+                int pos = m_name.lastIndexOf('/');
+                if (pos > 0) {
+                        return m_name.substring(0, pos);
+                }
+                return null;
+        }
+        
+        public String getSimpleName() {
+                int pos = m_name.lastIndexOf('/');
+                if (pos > 0) {
+                        return m_name.substring(pos + 1);
+                }
+                return m_name;
+        }
+        
+        public ClassEntry buildClassEntry(List<ClassEntry> classChain) {
+                assert(classChain.contains(this));
+                StringBuilder buf = new StringBuilder();
+                for (ClassEntry chainEntry : classChain) {
+                        if (buf.length() == 0) {
+                                buf.append(chainEntry.getName());
+                        } else {
+                                buf.append("$");
+                                buf.append(chainEntry.isInnerClass() ? chainEntry.getInnermostClassName() : chainEntry.getSimpleName());
+                        }
+                        
+                        if (chainEntry == this) {
+                                break;
+                        }
+                }
+                return new ClassEntry(buf.toString());
+        }
+}