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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package org.anarres.cpp;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.annotation.Nonnull;
/**
*
* @author shevek
*/
public class ResourceFileSystem implements VirtualFileSystem {
private final ClassLoader loader;
public ResourceFileSystem(@Nonnull ClassLoader loader) {
this.loader = loader;
}
@Override
public VirtualFile getFile(String path) {
return new ResourceFile(loader, path);
}
@Override
public VirtualFile getFile(String dir, String name) {
return getFile(dir + "/" + name);
}
private class ResourceFile implements VirtualFile {
private final ClassLoader loader;
private final String path;
public ResourceFile(ClassLoader loader, String path) {
this.loader = loader;
this.path = path;
}
@Override
public boolean isFile() {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
@Override
public String getPath() {
return path;
}
@Override
public String getName() {
return path.substring(path.lastIndexOf('/') + 1);
}
@Override
public ResourceFile getParentFile() {
int idx = path.lastIndexOf('/');
if (idx < 1)
return null;
return new ResourceFile(loader, path.substring(0, idx));
}
@Override
public ResourceFile getChildFile(String name) {
return new ResourceFile(loader, path + "/" + name);
}
@Override
public Source getSource() throws IOException {
InputStream stream = loader.getResourceAsStream(path);
BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
return new LexerSource(reader, true);
}
}
}
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