001/*
002 * Anarres C Preprocessor
003 * Copyright (c) 2007-2015, Shevek
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
014 * or implied.  See the License for the specific language governing
015 * permissions and limitations under the License.
016 */
017package org.anarres.cpp;
018
019import java.io.IOException;
020import javax.annotation.CheckForNull;
021import javax.annotation.Nonnull;
022
023/**
024 * An extremely lightweight virtual file interface.
025 */
026public interface VirtualFile {
027
028    // public String getParent();
029    public boolean isFile();
030
031    @Nonnull
032    public String getPath();
033
034    @Nonnull
035    public String getName();
036
037    @CheckForNull
038    public VirtualFile getParentFile();
039
040    @Nonnull
041    public VirtualFile getChildFile(String name);
042
043    @Nonnull
044    public Source getSource() throws IOException;
045}