1 files changed, 80 insertions, 0 deletions
diff --git a/engines/sci/scicore/exe.cpp b/engines/sci/scicore/exe.cpp
new file mode 100644
index 0000000000..518818ff33
--- /dev/null
+++ b/engines/sci/scicore/exe.cpp
@@ -0,0 +1,80 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "sci/include/sci_memory.h"
+
+#include "sci/scicore/exe.h"
+#include "sci/scicore/exe_dec.h"
+
+extern exe_decompressor_t exe_decompressor_lzexe;
+extern exe_decompressor_t exe_decompressor_raw;
+
+exe_decompressor_t *exe_decompressors[] = {
+	&exe_decompressor_lzexe,
+	&exe_decompressor_raw,
+	NULL
+};
+
+struct _exe_file {
+	struct _exe_decompressor *decompressor;
+	struct _exe_handle *handle;
+};
+
+exe_file_t *
+exe_open(const char *filename) {
+	int i = 0;
+	exe_decompressor_t *dec;
+
+	while ((dec = exe_decompressors[i])) {
+		exe_handle_t *handle = dec->open(filename);
+
+		if (handle) {
+			exe_file_t *file = (exe_file_t*)sci_malloc(sizeof(exe_file_t));
+
+			sciprintf("Scanning '%s' with decompressor '%s'\n",
+			          filename, dec->name);
+
+			file->handle = handle;
+			file->decompressor = dec;
+			return file;
+		}
+
+		i++;
+	}
+
+	return NULL;
+}
+
+int
+exe_read(exe_file_t *file, void *buf, int count) {
+	return file->decompressor->read(file->handle, buf, count);
+}
+
+void
+exe_close(exe_file_t *file) {
+	file->decompressor->close(file->handle);
+
+	free(file);
+}