Massive dump of xenia-info required code.

This is a working xenia-info for xex files (no gdfs files yet).

include/xenia/core/file.h

@@ -0,0 +1,37 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_CORE_FILE_H_
+#define XENIA_CORE_FILE_H_
+
+#include <xenia/common.h>
+#include <xenia/core/pal.h>
+#include <xenia/core/ref.h>
+
+
+struct xe_file;
+typedef struct xe_file* xe_file_ref;
+
+
+typedef enum {
+  kXEFileModeRead = (1 << 0),
+  kXEFileModeWrite = (1 << 1),
+} xe_file_mode;
+
+
+xe_file_ref xe_file_open(xe_pal_ref pal, const xe_file_mode mode,
+                         const xechar_t *path);
+xe_file_ref xe_file_retain(xe_file_ref file);
+void xe_file_release(xe_file_ref file);
+size_t xe_file_get_length(xe_file_ref file);
+size_t xe_file_read(xe_file_ref file, const size_t offset,
+                    uint8_t *buffer, const size_t buffer_size);
+
+
+#endif  // XENIA_CORE_FILE_H_