mirror of https://github.com/AxioDL/nod.git
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
#include "nod/IDiscIO.hpp"
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#include "nod/IFileIO.hpp"
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#include "nod/Util.hpp"
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namespace nod {
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class DiscIOISO : public IDiscIO {
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std::unique_ptr<IFileIO> m_fio;
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public:
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DiscIOISO(SystemStringView fpin) : m_fio(NewFileIO(fpin)) {}
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class ReadStream : public IReadStream {
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friend class DiscIOISO;
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std::unique_ptr<IFileIO::IReadStream> fp;
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ReadStream(std::unique_ptr<IFileIO::IReadStream>&& fpin, bool& err) : fp(std::move(fpin)) {
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if (!fp)
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err = true;
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}
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public:
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uint64_t read(void* buf, uint64_t length) override { return fp->read(buf, length); }
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uint64_t position() const override { return fp->position(); }
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void seek(int64_t offset, int whence) override { fp->seek(offset, whence); }
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};
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std::unique_ptr<IReadStream> beginReadStream(uint64_t offset) const override {
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bool err = false;
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auto ret = std::unique_ptr<IReadStream>(new ReadStream(m_fio->beginReadStream(offset), err));
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if (err)
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return {};
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return ret;
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}
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class WriteStream : public IWriteStream {
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friend class DiscIOISO;
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std::unique_ptr<IFileIO::IWriteStream> fp;
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WriteStream(std::unique_ptr<IFileIO::IWriteStream>&& fpin, bool& err) : fp(std::move(fpin)) {
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if (!fp)
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err = true;
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}
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public:
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uint64_t write(const void* buf, uint64_t length) override { return fp->write(buf, length); }
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};
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std::unique_ptr<IWriteStream> beginWriteStream(uint64_t offset) const override {
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bool err = false;
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auto ret = std::unique_ptr<IWriteStream>(new WriteStream(m_fio->beginWriteStream(offset), err));
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if (err)
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return {};
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return ret;
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}
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};
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std::unique_ptr<IDiscIO> NewDiscIOISO(SystemStringView path) { return std::make_unique<DiscIOISO>(path); }
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} // namespace nod
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