/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2007 INRIA, France Telecom
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

package alterrs.asm.commons;

import alterrs.asm.AnnotationVisitor;
import alterrs.asm.ClassAdapter;
import alterrs.asm.ClassVisitor;
import alterrs.asm.FieldVisitor;
import alterrs.asm.MethodVisitor;

/**
 * A <code>ClassAdapter</code> for type remapping.
 * 
 * @author Eugene Kuleshov
 */
public class RemappingClassAdapter extends ClassAdapter {

	protected final Remapper remapper;

	protected String className;

	public RemappingClassAdapter(ClassVisitor cv, Remapper remapper) {
		super(cv);
		this.remapper = remapper;
	}

	public void visit(int version, int access, String name, String signature,
			String superName, String[] interfaces) {
		this.className = name;
		super.visit(version, access, remapper.mapType(name), remapper
				.mapSignature(signature, false), remapper.mapType(superName),
				interfaces == null ? null : remapper.mapTypes(interfaces));
	}

	public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
		AnnotationVisitor av;
		av = super.visitAnnotation(remapper.mapDesc(desc), visible);
		return av == null ? null : createRemappingAnnotationAdapter(av);
	}

	public FieldVisitor visitField(int access, String name, String desc,
			String signature, Object value) {
		FieldVisitor fv = super.visitField(access,
				remapper.mapFieldName(className, name, desc),
				remapper.mapDesc(desc), remapper.mapSignature(signature, true),
				remapper.mapValue(value));
		return fv == null ? null : createRemappingFieldAdapter(fv);
	}

	public MethodVisitor visitMethod(int access, String name, String desc,
			String signature, String[] exceptions) {
		String newDesc = remapper.mapMethodDesc(desc);
		MethodVisitor mv = super.visitMethod(access, remapper.mapMethodName(
				className, name, desc), newDesc, remapper.mapSignature(
				signature, false),
				exceptions == null ? null : remapper.mapTypes(exceptions));
		return mv == null ? null : createRemappingMethodAdapter(access,
				newDesc, mv);
	}

	public void visitInnerClass(String name, String outerName,
			String innerName, int access) {
		super.visitInnerClass(remapper.mapType(name), outerName == null ? null
				: remapper.mapType(outerName), innerName, // TODO should it be
															// changed?
				access);
	}

	public void visitOuterClass(String owner, String name, String desc) {
		super.visitOuterClass(remapper.mapType(owner), name == null ? null
				: remapper.mapMethodName(owner, name, desc),
				desc == null ? null : remapper.mapMethodDesc(desc));
	}

	protected FieldVisitor createRemappingFieldAdapter(FieldVisitor fv) {
		return new RemappingFieldAdapter(fv, remapper);
	}

	protected MethodVisitor createRemappingMethodAdapter(int access,
			String newDesc, MethodVisitor mv) {
		return new RemappingMethodAdapter(access, newDesc, mv, remapper);
	}

	protected AnnotationVisitor createRemappingAnnotationAdapter(
			AnnotationVisitor av) {
		return new RemappingAnnotationAdapter(av, remapper);
	}
}
