1 files changed, 63 insertions, 0 deletions
diff --git a/src/java/org/anarres/cpp/JavaFileSystem.java b/src/java/org/anarres/cpp/JavaFileSystem.java
new file mode 100644
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+++ b/src/java/org/anarres/cpp/JavaFileSystem.java
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+/*
+ * Anarres C Preprocessor
+ * Copyright (c) 2007-2008, 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 {
+	public JavaFile getFile(String path) {
+		return new JavaFile(path);
+	}
+
+	public JavaFile 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);
+		}
+
+		public JavaFile getParentFile() {
+			return new JavaFile(getParent());
+		}
+
+		public JavaFile getChildFile(String name) {
+			return new JavaFile(this, name);
+		}
+
+		public Source getSource() throws IOException {
+			return new FileLexerSource(this);
+		}
+
+	}
+
+}