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/*
* Anarres C Preprocessor
* Copyright (c) 2007-2015, Shevek
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package org.anarres.cpp;
import java.io.File;
import java.io.IOException;
/**
* A virtual filesystem implementation using java.io.
*/
public class JavaFileSystem implements VirtualFileSystem {
@Override
public VirtualFile getFile(String path) {
return new JavaFile(path);
}
@Override
public VirtualFile getFile(String dir, String name) {
return new JavaFile(dir, name);
}
private class JavaFile extends File implements VirtualFile {
public JavaFile(String path) {
super(path);
}
public JavaFile(String dir, String name) {
super(dir, name);
}
/* private */
public JavaFile(File dir, String name) {
super(dir, name);
}
/*
@Override
public String getPath() {
return getCanonicalPath();
}
*/
@Override
public JavaFile getParentFile() {
String parent = getParent();
if (parent != null)
return new JavaFile(parent);
File absolute = getAbsoluteFile();
parent = absolute.getParent();
/*
if (parent == null)
return null;
*/
return new JavaFile(parent);
}
@Override
public JavaFile getChildFile(String name) {
return new JavaFile(this, name);
}
@Override
public Source getSource() throws IOException {
return new FileLexerSource(this);
}
}
}
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