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/*************************************************************************/
/* file_access_buffered_fa.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 FILE_ACCESS_BUFFERED_FA_H
#define FILE_ACCESS_BUFFERED_FA_H
#include "core/io/file_access_buffered.h"
template <class T>
class FileAccessBufferedFA : public FileAccessBuffered {
T f;
int read_data_block(int p_offset, int p_size, uint8_t *p_dest = 0) const {
ERR_FAIL_COND_V_MSG(!f.is_open(), -1, "Can't read data block when file is not opened.");
((T *)&f)->seek(p_offset);
if (p_dest) {
f.get_buffer(p_dest, p_size);
return p_size;
} else {
cache.offset = p_offset;
cache.buffer.resize(p_size);
// on PoolVector
//PoolVector<uint8_t>::Write write = cache.buffer.write();
//f.get_buffer(write.ptrw(), p_size);
// on vector
f.get_buffer(cache.buffer.ptrw(), p_size);
return p_size;
};
};
static FileAccess *create() {
return memnew(FileAccessBufferedFA<T>());
};
protected:
virtual void _set_access_type(AccessType p_access) {
f._set_access_type(p_access);
FileAccessBuffered::_set_access_type(p_access);
};
public:
void flush() {
f.flush();
};
void store_8(uint8_t p_dest) {
f.store_8(p_dest);
};
void store_buffer(const uint8_t *p_src, int p_length) {
f.store_buffer(p_src, p_length);
};
bool file_exists(const String &p_name) {
return f.file_exists(p_name);
};
Error _open(const String &p_path, int p_mode_flags) {
close();
Error ret = f._open(p_path, p_mode_flags);
if (ret != OK)
return ret;
//ERR_FAIL_COND_V( ret != OK, ret );
file.size = f.get_len();
file.offset = 0;
file.open = true;
file.name = p_path;
file.access_flags = p_mode_flags;
cache.buffer.resize(0);
cache.offset = 0;
return set_error(OK);
};
void close() {
f.close();
file.offset = 0;
file.size = 0;
file.open = false;
file.name = "";
cache.buffer.resize(0);
cache.offset = 0;
set_error(OK);
};
/*
static void make_default() {
FileAccess::create_func = FileAccessBufferedFA<T>::create;
};
*/
virtual uint64_t _get_modified_time(const String &p_file) {
return f._get_modified_time(p_file);
}
virtual uint32_t _get_unix_permissions(const String &p_file) {
return f._get_unix_permissions(p_file);
}
virtual Error _set_unix_permissions(const String &p_file, uint32_t p_permissions) {
return f._set_unix_permissions(p_file, p_permissions);
}
FileAccessBufferedFA(){
};
};
#endif // FILE_ACCESS_BUFFERED_FA_H
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