1 files changed, 89 insertions, 0 deletions
diff --git a/src/main/java/com/jogamp/gluegen/jcpp/FileLexerSource.java b/src/main/java/com/jogamp/gluegen/jcpp/FileLexerSource.java
new file mode 100644
index 0000000..6d7e4c5
--- /dev/null
+++ b/src/main/java/com/jogamp/gluegen/jcpp/FileLexerSource.java
@@ -0,0 +1,89 @@
+/*
+ * 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.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import javax.annotation.Nonnull;
+
+/**
+ * A {@link Source} which lexes a file.
+ *
+ * The input is buffered.
+ *
+ * @see Source
+ */
+public class FileLexerSource extends LexerSource {
+
+    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, String path)
+            throws IOException {
+        super(
+                new BufferedReader(
+                        new FileReader(
+                                file
+                        )
+                ),
+                true
+        );
+
+        this.file = file;
+        this.path = path;
+    }
+
+    public FileLexerSource(@Nonnull File file)
+            throws IOException {
+        this(file, file.getPath());
+    }
+
+    public FileLexerSource(@Nonnull String path)
+            throws IOException {
+        this(new File(path), path);
+    }
+
+    @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();
+    }
+}