forked from eden-emu/eden
lizzie
e1763a726e
Co-authored-by: crueter <crueter@eden-emu.dev> Reviewed-on: eden-emu/eden#96 Co-authored-by: lizzie <lizzie@eden-emu.dev> Co-committed-by: lizzie <lizzie@eden-emu.dev>
75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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#pragma once
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#include <array>
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#include <memory>
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#include <cstdint>
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#include <vector>
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namespace Tzif {
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typedef struct {
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char magic[4];
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std::uint8_t version;
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std::uint8_t reserved[15];
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std::uint32_t isutcnt;
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std::uint32_t isstdcnt;
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std::uint32_t leapcnt;
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std::uint32_t timecnt;
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std::uint32_t typecnt;
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std::uint32_t charcnt;
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} Header;
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static_assert(sizeof(Header) == 0x2c);
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class Footer {
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public:
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explicit Footer() = default;
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~Footer() = default;
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const char nl_a{'\n'};
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std::unique_ptr<char[]> tz_string;
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const char nl_b{'\n'};
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std::size_t footer_string_length;
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};
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#pragma pack(push, 1)
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typedef struct {
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std::uint32_t utoff;
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std::uint8_t dst;
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std::uint8_t idx;
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} TimeTypeRecord;
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#pragma pack(pop)
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static_assert(sizeof(TimeTypeRecord) == 0x6);
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class Data {
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public:
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explicit Data() = default;
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virtual ~Data() = default;
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virtual void ReformatNintendo(std::vector<std::uint8_t> &buffer) const = 0;
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};
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class DataImpl : public Data {
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public:
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explicit DataImpl() = default;
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~DataImpl() override = default;
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void ReformatNintendo(std::vector<std::uint8_t> &buffer) const override;
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Header header;
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Footer footer;
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std::unique_ptr<int64_t[]> transition_times;
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std::unique_ptr<std::uint8_t[]> transition_types;
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std::unique_ptr<TimeTypeRecord[]> local_time_type_records;
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std::unique_ptr<int8_t[]> time_zone_designations;
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std::unique_ptr<std::uint8_t[]> standard_indicators;
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std::unique_ptr<std::uint8_t[]> ut_indicators;
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};
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std::unique_ptr<DataImpl> ReadData(const std::uint8_t *data, std::size_t size);
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} // namespace Tzif
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