Duckstation/src/core/psf_loader.h

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// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#pragma once
#include "types.h"
#include <map>
#include <optional>
#include <string>
#include <string_view>
#include <vector>
namespace PSFLoader {
#pragma pack(push, 1)
struct PSFHeader
{
u8 id[3];
u8 version;
u32 reserved_area_size;
u32 compressed_program_size;
u32 program_crc32;
};
#pragma pack(pop)
class File
{
public:
using TagMap = std::map<std::string, std::string>;
using ProgramData = std::vector<u8>;
ALWAYS_INLINE const ProgramData& GetProgramData() const { return m_program_data; }
ALWAYS_INLINE const TagMap& GetTagMap() const { return m_tags; }
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ALWAYS_INLINE DiscRegion GetRegion() const { return m_region; }
std::optional<std::string> GetTagString(const char* tag_name) const;
std::optional<int> GetTagInt(const char* tag_name) const;
std::optional<float> GetTagFloat(const char* tag_name) const;
std::string GetTagString(const char* tag_name, const char* default_value) const;
int GetTagInt(const char* tag_name, int default_value) const;
float GetTagFloat(const char* tag_name, float default_value) const;
bool Load(const char* path);
private:
enum : u32
{
MAX_PROGRAM_SIZE = 2 * 1024 * 1024
};
ProgramData m_program_data;
TagMap m_tags;
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DiscRegion m_region = DiscRegion::Other;
};
bool Load(const char* path);
} // namespace PSFLoader