💿🐜 Antkeeper source code
https://antkeeper.com
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176 lines
4.1 KiB
176 lines
4.1 KiB
/*
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* Copyright (C) 2023 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "resources/deserialize-context.hpp"
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#include "resources/deserialize-error.hpp"
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#include <physfs.h>
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deserialize_context::deserialize_context(void* handle):
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handle(handle),
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m_eof(false),
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m_error(false)
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{}
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std::size_t deserialize_context::read8(std::byte* data, std::size_t count)
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{
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const PHYSFS_sint64 status = PHYSFS_readBytes(reinterpret_cast<PHYSFS_File*>(handle), data, count);
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if (status < 0)
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{
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m_error = true;
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throw deserialize_error(PHYSFS_getLastError());
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//return 0;
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}
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if (status != count)
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{
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m_eof = true;
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m_error = true;
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throw deserialize_error(PHYSFS_getLastError());
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//return static_cast<std::size_t>(count);
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}
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return count;
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}
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std::size_t deserialize_context::read16_le(std::byte* data, std::size_t count)
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{
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PHYSFS_File* file = reinterpret_cast<PHYSFS_File*>(handle);
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PHYSFS_uint16* data16 = reinterpret_cast<PHYSFS_uint16*>(data);
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for (std::size_t i = 0; i < count; ++i)
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{
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if (!PHYSFS_readULE16(file, data16))
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{
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m_eof = (PHYSFS_eof(file) != 0);
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m_error = true;
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throw deserialize_error(PHYSFS_getLastError());
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//return i;
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}
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++data16;
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}
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return count;
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}
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std::size_t deserialize_context::read16_be(std::byte* data, std::size_t count)
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{
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PHYSFS_File* file = reinterpret_cast<PHYSFS_File*>(handle);
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PHYSFS_uint16* data16 = reinterpret_cast<PHYSFS_uint16*>(data);
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for (std::size_t i = 0; i < count; ++i)
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{
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if (!PHYSFS_readUBE16(file, data16))
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{
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m_eof = (PHYSFS_eof(file) != 0);
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m_error = true;
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throw deserialize_error(PHYSFS_getLastError());
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//return i;
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}
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++data16;
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}
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return count;
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}
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std::size_t deserialize_context::read32_le(std::byte* data, std::size_t count)
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{
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PHYSFS_File* file = reinterpret_cast<PHYSFS_File*>(handle);
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PHYSFS_uint32* data32 = reinterpret_cast<PHYSFS_uint32*>(data);
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for (std::size_t i = 0; i < count; ++i)
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{
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if (!PHYSFS_readULE32(file, data32))
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{
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m_eof = (PHYSFS_eof(file) != 0);
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m_error = true;
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throw deserialize_error(PHYSFS_getLastError());
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//return i;
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}
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++data32;
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}
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return count;
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}
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std::size_t deserialize_context::read32_be(std::byte* data, std::size_t count)
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{
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PHYSFS_File* file = reinterpret_cast<PHYSFS_File*>(handle);
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PHYSFS_uint32* data32 = reinterpret_cast<PHYSFS_uint32*>(data);
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for (std::size_t i = 0; i < count; ++i)
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{
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if (!PHYSFS_readUBE32(file, data32))
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{
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m_eof = (PHYSFS_eof(file) != 0);
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m_error = true;
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throw deserialize_error(PHYSFS_getLastError());
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//return i;
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}
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++data32;
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}
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return count;
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}
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std::size_t deserialize_context::read64_le(std::byte* data, std::size_t count)
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{
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PHYSFS_File* file = reinterpret_cast<PHYSFS_File*>(handle);
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PHYSFS_uint64* data64 = reinterpret_cast<PHYSFS_uint64*>(data);
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for (std::size_t i = 0; i < count; ++i)
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{
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if (!PHYSFS_readULE64(file, data64))
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{
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m_eof = (PHYSFS_eof(file) != 0);
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m_error = true;
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throw deserialize_error(PHYSFS_getLastError());
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//return i;
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}
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++data64;
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}
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return count;
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}
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std::size_t deserialize_context::read64_be(std::byte* data, std::size_t count)
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{
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PHYSFS_File* file = reinterpret_cast<PHYSFS_File*>(handle);
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PHYSFS_uint64* data64 = reinterpret_cast<PHYSFS_uint64*>(data);
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for (std::size_t i = 0; i < count; ++i)
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{
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if (!PHYSFS_readUBE64(file, data64))
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{
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m_eof = (PHYSFS_eof(file) != 0);
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m_error = true;
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throw deserialize_error(PHYSFS_getLastError());
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//return i;
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}
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++data64;
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}
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return count;
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}
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