1 files changed, 129 insertions, 0 deletions

diff --git a/core/io/zip_io.h b/core/io/zip_io.h
new file mode 100644
index 000000000..c7d5a7013
--- /dev/null
+++ b/core/io/zip_io.h
@@ -0,0 +1,129 @@
+/*************************************************************************/
+/*  zip_io.h                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifndef ZIP_IO_H
+#define ZIP_IO_H
+
+#include "io/zip.h"
+#include "io/unzip.h"
+#include "os/file_access.h"
+
+static void* zipio_open(void* data, const char* p_fname, int mode) {
+
+	FileAccess *&f = *(FileAccess**)data;
+
+	if (mode & ZLIB_FILEFUNC_MODE_WRITE) {
+		f = FileAccess::open(p_fname,FileAccess::WRITE);
+	} else {
+
+		f = FileAccess::open(p_fname,FileAccess::READ);
+	}
+
+	if (!f)
+		return NULL;
+
+	return data;
+
+};
+
+static uLong zipio_read(void* data, void* fdata, void* buf, uLong size) {
+
+	FileAccess* f = *(FileAccess**)data;
+	return f->get_buffer((uint8_t*)buf, size);
+
+};
+
+static uLong zipio_write(voidpf opaque, voidpf stream, const void* buf, uLong size) {
+
+	FileAccess* f = *(FileAccess**)opaque;
+	f->store_buffer((uint8_t*)buf, size);
+	return size;
+};
+
+
+static long zipio_tell (voidpf opaque, voidpf stream) {
+
+	FileAccess* f = *(FileAccess**)opaque;
+	return f->get_pos();
+};
+
+static long zipio_seek(voidpf opaque, voidpf stream, uLong offset, int origin) {
+
+	FileAccess* f = *(FileAccess**)opaque;
+
+	int pos = offset;
+	switch (origin) {
+
+	case ZLIB_FILEFUNC_SEEK_CUR:
+		pos = f->get_pos() + offset;
+		break;
+	case ZLIB_FILEFUNC_SEEK_END:
+		pos = f->get_len() + offset;
+		break;
+	default:
+		break;
+	};
+
+	f->seek(pos);
+	return 0;
+};
+
+static int zipio_close(voidpf opaque, voidpf stream) {
+
+	FileAccess*& f = *(FileAccess**)opaque;
+	if (f) {
+		f->close();
+		f=NULL;
+	}
+	return 0;
+};
+
+static int zipio_testerror(voidpf opaque, voidpf stream) {
+
+	FileAccess* f = *(FileAccess**)opaque;
+	return (f && f->get_error()!=OK)?1:0;
+};
+
+
+static zlib_filefunc_def zipio_create_io_from_file(FileAccess **p_file) {
+
+	zlib_filefunc_def io;
+	io.opaque = p_file;
+	io.zopen_file = zipio_open;
+	io.zread_file = zipio_read;
+	io.zwrite_file = zipio_write;
+	io.ztell_file = zipio_tell;
+	io.zseek_file = zipio_seek;
+	io.zclose_file = zipio_close;
+	io.zerror_file = zipio_testerror;
+	return io;
+}
+
+
+
+#endif // ZIP_IO_H