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Diffstat (limited to 'core/io/file_access_buffered.cpp')
| -rw-r--r-- | core/io/file_access_buffered.cpp | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/core/io/file_access_buffered.cpp b/core/io/file_access_buffered.cpp deleted file mode 100644 index 6208f3a4d1..0000000000 --- a/core/io/file_access_buffered.cpp +++ /dev/null @@ -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_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; -} |