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Remove now unused FileAccessBuffered.

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This commit is contained in:
Fabio Alessandrelli 2020-12-06 19:37:11 +01:00
parent 1396c74734
commit 781efc26e0
7 changed files with 1 additions and 387 deletions
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150
core/io/file_access_buffered.cpp
View file

@ -1,150 +0,0 @@
/*************************************************************************/
/* file_access_buffered.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "file_access_buffered.h"
#include "core/error/error_macros.h"
Error FileAccessBuffered::set_error(Error p_error) const {
return (last_error = p_error);
}
void FileAccessBuffered::set_cache_size(int p_size) {
cache_size = p_size;
}
int FileAccessBuffered::get_cache_size() {
return cache_size;
}
int FileAccessBuffered::cache_data_left() const {
if (file.offset >= file.size) {
return 0;
}
if (cache.offset == -1 || file.offset < cache.offset || file.offset >= cache.offset + cache.buffer.size()) {
return read_data_block(file.offset, cache_size);
}
return cache.buffer.size() - (file.offset - cache.offset);
}
void FileAccessBuffered::seek(size_t p_position) {
file.offset = p_position;
}
void FileAccessBuffered::seek_end(int64_t p_position) {
file.offset = file.size + p_position;
}
size_t FileAccessBuffered::get_position() const {
return file.offset;
}
size_t FileAccessBuffered::get_len() const {
return file.size;
}
bool FileAccessBuffered::eof_reached() const {
return file.offset > file.size;
}
uint8_t FileAccessBuffered::get_8() const {
ERR_FAIL_COND_V_MSG(!file.open, 0, "Can't get data, when file is not opened.");
uint8_t byte = 0;
if (cache_data_left() >= 1) {
byte = cache.buffer[file.offset - cache.offset];
}
++file.offset;
return byte;
}
int FileAccessBuffered::get_buffer(uint8_t *p_dest, int p_length) const {
ERR_FAIL_COND_V_MSG(!file.open, -1, "Can't get buffer, when file is not opened.");
if (p_length > cache_size) {
int total_read = 0;
if (!(cache.offset == -1 || file.offset < cache.offset || file.offset >= cache.offset + cache.buffer.size())) {
int size = (cache.buffer.size() - (file.offset - cache.offset));
size = size - (size % 4);
//const uint8_t* read = cache.buffer.ptr();
//memcpy(p_dest, read.ptr() + (file.offset - cache.offset), size);
memcpy(p_dest, cache.buffer.ptr() + (file.offset - cache.offset), size);
p_dest += size;
p_length -= size;
file.offset += size;
total_read += size;
}
int err = read_data_block(file.offset, p_length, p_dest);
if (err >= 0) {
total_read += err;
file.offset += err;
}
return total_read;
}
int to_read = p_length;
int total_read = 0;
while (to_read > 0) {
int left = cache_data_left();
if (left == 0) {
file.offset += to_read;
return total_read;
}
if (left < 0) {
return left;
}
int r = MIN(left, to_read);
//const uint8_t* read = cache.buffer.ptr();
//memcpy(p_dest+total_read, &read.ptr()[file.offset - cache.offset], r);
memcpy(p_dest + total_read, cache.buffer.ptr() + (file.offset - cache.offset), r);
file.offset += r;
total_read += r;
to_read -= r;
}
return p_length;
}
bool FileAccessBuffered::is_open() const {
return file.open;
}
Error FileAccessBuffered::get_error() const {
return last_error;
}

91
core/io/file_access_buffered.h
View file

@ -1,91 +0,0 @@
/*************************************************************************/
/* file_access_buffered.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_H
#define FILE_ACCESS_BUFFERED_H
#include "core/os/file_access.h"
#include "core/string/ustring.h"
class FileAccessBuffered : public FileAccess {
public:
enum {
DEFAULT_CACHE_SIZE = 128 * 1024,
};
private:
int cache_size = DEFAULT_CACHE_SIZE;
int cache_data_left() const;
mutable Error last_error;
protected:
Error set_error(Error p_error) const;
mutable struct File {
bool open = false;
int size = 0;
int offset = 0;
String name;
int access_flags = 0;
} file;
mutable struct Cache {
Vector<uint8_t> buffer;
int offset = 0;
} cache;
virtual int read_data_block(int p_offset, int p_size, uint8_t *p_dest = nullptr) const = 0;
void set_cache_size(int p_size);
int get_cache_size();
public:
virtual size_t get_position() const; ///< get position in the file
virtual size_t get_len() const; ///< get size of the file
virtual void seek(size_t p_position); ///< seek to a given position
virtual void seek_end(int64_t p_position = 0); ///< seek from the end of file
virtual bool eof_reached() const;
virtual uint8_t get_8() const;
virtual int get_buffer(uint8_t *p_dest, int p_length) const; ///< get an array of bytes
virtual bool is_open() const;
virtual Error get_error() const;
FileAccessBuffered() {}
virtual ~FileAccessBuffered() {}
};
#endif

139
core/io/file_access_buffered_fa.h
View file

@ -1,139 +0,0 @@
/*************************************************************************/
/* 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 Vector
//uint8_t* write = cache.buffer.ptrw();
//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);
}
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

1
drivers/unix/os_unix.cpp
View file

@ -127,7 +127,6 @@ void OS_Unix::initialize_core() {
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_USERDATA);
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_FILESYSTEM);
//FileAccessBufferedFA<FileAccessUnix>::make_default();
DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_RESOURCES);
DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_USERDATA);
DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_FILESYSTEM);

5
platform/android/os_android.cpp
View file

@ -31,7 +31,6 @@
#include "os_android.h"
#include "core/config/project_settings.h"
#include "core/io/file_access_buffered_fa.h"
#include "drivers/unix/dir_access_unix.h"
#include "drivers/unix/file_access_unix.h"
#include "file_access_android.h"
@ -63,15 +62,13 @@ void OS_Android::initialize_core() {
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_RESOURCES);
else {
#ifdef USE_JAVA_FILE_ACCESS
FileAccess::make_default<FileAccessBufferedFA<FileAccessJAndroid>>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessJAndroid>(FileAccess::ACCESS_RESOURCES);
#else
//FileAccess::make_default<FileAccessBufferedFA<FileAccessAndroid> >(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessAndroid>(FileAccess::ACCESS_RESOURCES);
#endif
}
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_USERDATA);
FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_FILESYSTEM);
//FileAccessBufferedFA<FileAccessUnix>::make_default();
if (use_apk_expansion)
DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_RESOURCES);
else

1
platform/javascript/os_javascript.cpp
View file

@ -31,7 +31,6 @@
#include "os_javascript.h"
#include "core/debugger/engine_debugger.h"
#include "core/io/file_access_buffered_fa.h"
#include "core/io/json.h"
#include "drivers/unix/dir_access_unix.h"
#include "drivers/unix/file_access_unix.h"

1
platform/windows/os_windows.cpp
View file

@ -183,7 +183,6 @@ void OS_Windows::initialize() {
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_FILESYSTEM);
//FileAccessBufferedFA<FileAccessWindows>::make_default();
DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_RESOURCES);
DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_USERDATA);
DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_FILESYSTEM);