1 files changed, 84 insertions, 0 deletions
diff --git a/src/main/java/com/jogamp/gluegen/jcpp/ChrootFileSystem.java b/src/main/java/com/jogamp/gluegen/jcpp/ChrootFileSystem.java
new file mode 100644
index 0000000..f3806fa
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+++ b/src/main/java/com/jogamp/gluegen/jcpp/ChrootFileSystem.java
@@ -0,0 +1,84 @@
+/*
+ * 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 com.jogamp.gluegen.jcpp;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * A virtual filesystem implementation using java.io in a virtual
+ * chroot.
+ */
+public class ChrootFileSystem implements VirtualFileSystem {
+
+    private File root;
+
+    public ChrootFileSystem(File root) {
+        this.root = root;
+    }
+
+    @Override
+    public VirtualFile getFile(String path) {
+        return new ChrootFile(path);
+    }
+
+    @Override
+    public VirtualFile getFile(String dir, String name) {
+        return new ChrootFile(dir, name);
+    }
+
+    private class ChrootFile extends File implements VirtualFile {
+
+        private File rfile;
+
+        public ChrootFile(String path) {
+            super(path);
+        }
+
+        public ChrootFile(String dir, String name) {
+            super(dir, name);
+        }
+
+        /* private */
+        public ChrootFile(File dir, String name) {
+            super(dir, name);
+        }
+
+        @Override
+        public ChrootFile getParentFile() {
+            return new ChrootFile(getParent());
+        }
+
+        @Override
+        public ChrootFile getChildFile(String name) {
+            return new ChrootFile(this, name);
+        }
+
+        @Override
+        public boolean isFile() {
+            File real = new File(root, getPath());
+            return real.isFile();
+        }
+
+        @Override
+        public Source getSource() throws IOException {
+            return new FileLexerSource(new File(root, getPath()),
+                    getPath());
+        }
+    }
+
+}