godot/drivers/chibi/cp_file_access_wrapper.h
2016-01-01 11:50:53 -02:00

97 lines
3.5 KiB
C++

/*************************************************************************/
/* cp_file_access_wrapper.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 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 CP_FILE_ACCESS_WRAPPER_H
#define CP_FILE_ACCESS_WRAPPER_H
#include "cp_config.h"
class CPFileAccessWrapper {
public:
enum ModeFlags {
READ=1,
WRITE=2,
READ_WRITE=3,
};
enum Error {
OK,
ERROR_FILE_NOT_FOUND,
ERROR_FILE_BAD_DRIVE,
ERROR_FILE_BAD_PATH,
ERROR_FILE_NO_PERMISSION,
ERROR_ALREADY_IN_USE,
ERROR_INVALID_PARAMETERS,
ERROR_OPENING_FILE,
ERROR_READING_FILE,
ERROR_WRITING_FILE
};
virtual Error open(const char *p_filename, int p_mode_flags)=0;
virtual void close()=0;
virtual void seek(uint32_t p_position)=0;
virtual void seek_end()=0;
virtual uint32_t get_pos()=0;
virtual bool eof_reached()=0;
virtual uint8_t get_byte()=0;
virtual void get_byte_array(uint8_t *p_dest,int p_elements)=0;
virtual void get_word_array(uint16_t *p_dest,int p_elements)=0;
virtual uint16_t get_word()=0;
virtual uint32_t get_dword()=0;
// use this for files WRITTEN in _big_ endian machines (ie, amiga/mac)
// It's not about the current CPU type but file formats.
// this flags get reset to false (little endian) on each open
virtual void set_endian_conversion(bool p_swap)=0;
virtual bool is_open()=0;
virtual Error get_error()=0;
virtual void store_byte(uint8_t p_dest)=0;
virtual void store_byte_array(const uint8_t *p_dest,int p_elements)=0;
virtual void store_word(uint16_t p_dest)=0;
virtual void store_dword(uint32_t p_dest)=0;
virtual ~CPFileAccessWrapper(){}
};
#endif