93 lines
3.6 KiB
C++
93 lines
3.6 KiB
C++
/*************************************************************************/
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/* cp_file_access_wrapper.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef CP_FILE_ACCESS_WRAPPER_H
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#define CP_FILE_ACCESS_WRAPPER_H
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#include "cp_config.h"
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class CPFileAccessWrapper {
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public:
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enum ModeFlags {
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READ = 1,
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WRITE = 2,
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READ_WRITE = 3,
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};
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enum Error {
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OK,
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ERROR_FILE_NOT_FOUND,
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ERROR_FILE_BAD_DRIVE,
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ERROR_FILE_BAD_PATH,
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ERROR_FILE_NO_PERMISSION,
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ERROR_ALREADY_IN_USE,
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ERROR_INVALID_PARAMETERS,
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ERROR_OPENING_FILE,
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ERROR_READING_FILE,
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ERROR_WRITING_FILE
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};
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virtual Error open(const char *p_filename, int p_mode_flags) = 0;
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virtual void close() = 0;
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virtual void seek(uint32_t p_position) = 0;
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virtual void seek_end() = 0;
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virtual uint32_t get_pos() = 0;
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virtual bool eof_reached() = 0;
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virtual uint8_t get_byte() = 0;
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virtual void get_byte_array(uint8_t *p_dest, int p_elements) = 0;
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virtual void get_word_array(uint16_t *p_dest, int p_elements) = 0;
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virtual uint16_t get_word() = 0;
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virtual uint32_t get_dword() = 0;
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// use this for files WRITTEN in _big_ endian machines (ie, amiga/mac)
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// It's not about the current CPU type but file formats.
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// this flags get reset to false (little endian) on each open
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virtual void set_endian_conversion(bool p_swap) = 0;
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virtual bool is_open() = 0;
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virtual Error get_error() = 0;
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virtual void store_byte(uint8_t p_dest) = 0;
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virtual void store_byte_array(const uint8_t *p_dest, int p_elements) = 0;
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virtual void store_word(uint16_t p_dest) = 0;
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virtual void store_dword(uint32_t p_dest) = 0;
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virtual ~CPFileAccessWrapper() {}
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};
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#endif
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