flycast/core/imgread/isofs.h

77 lines
1.5 KiB
C++

/*
Copyright 2022 flyinghead
This file is part of Flycast.
Flycast is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Flycast is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "common.h"
class IsoFs
{
public:
class Entry
{
public:
virtual bool isDirectory() const = 0;
virtual ~Entry() = default;
protected:
Entry(IsoFs *fs) : fs(fs) {}
IsoFs *fs;
};
class Directory final : public Entry
{
public:
bool isDirectory() const override { return true; }
Entry *getEntry(const std::string& name);
private:
Directory(IsoFs *fs) : Entry(fs) {}
std::vector<u8> data;
friend class IsoFs;
};
class File final : public Entry
{
public:
bool isDirectory() const override { return false; }
u32 getSize() const { return len; }
u32 read(u8 *buf, u32 size, u32 offset = 0) const;
private:
File(IsoFs *fs) : Entry(fs) {}
u32 startFad = 0;
u32 len = 0;
friend class IsoFs;
};
IsoFs(Disc *disc);
Directory *getRoot();
private:
Disc *disc;
u32 baseFad;
};