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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.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.nio.charset.Charset;
import javax.annotation.Nonnull;
/**
* A {@link Source} which lexes a file.
*
* The input is buffered.
*
* @see Source
*/
public class FileLexerSource extends InputLexerSource {
private final String path;
private final File file;
/**
* Creates a new Source for lexing the given File.
*
* Preprocessor directives are honoured within the file.
*/
public FileLexerSource(@Nonnull File file, @Nonnull Charset charset, @Nonnull String path)
throws IOException {
super(new FileInputStream(file), charset);
this.file = file;
this.path = path;
}
public FileLexerSource(@Nonnull File file, @Nonnull String path)
throws IOException {
this(file, Charset.defaultCharset(), path);
}
public FileLexerSource(@Nonnull File file, @Nonnull Charset charset)
throws IOException {
this(file, charset, file.getPath());
}
@Deprecated
public FileLexerSource(@Nonnull File file)
throws IOException {
this(file, Charset.defaultCharset());
}
public FileLexerSource(@Nonnull String path, @Nonnull Charset charset)
throws IOException {
this(new File(path), charset, path);
}
@Deprecated
public FileLexerSource(@Nonnull String path)
throws IOException {
this(path, Charset.defaultCharset());
}
@Nonnull
public File getFile() {
return file;
}
/**
* This is not necessarily the same as getFile().getPath() in case we are in a chroot.
*/
@Override
public String getPath() {
return path;
}
@Override
public String getName() {
return getPath();
}
@Override
public String toString() {
return "file " + getPath();
}
}
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