mirror of https://github.com/bsnes-emu/bsnes.git
40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
#pragma once
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#include <nall/file.hpp>
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namespace nall {
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struct filestream : stream {
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using stream::read;
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using stream::write;
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filestream(const string& filename) {
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pfile.open(filename, file::mode::readwrite);
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pwritable = pfile.open();
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if(!pwritable) pfile.open(filename, file::mode::read);
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}
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filestream(const string& filename, file::mode mode) {
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pfile.open(filename, mode);
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pwritable = mode == file::mode::write || mode == file::mode::readwrite;
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}
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auto seekable() const -> bool { return true; }
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auto readable() const -> bool { return true; }
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auto writable() const -> bool { return pwritable; }
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auto randomaccess() const -> bool { return false; }
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auto size() const -> uint { return pfile.size(); }
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auto offset() const -> uint { return pfile.offset(); }
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auto seek(uint offset) const -> void { pfile.seek(offset); }
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auto read() const -> uint8_t { return pfile.read(); }
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auto write(uint8_t data) const -> void { pfile.write(data); }
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private:
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mutable file pfile;
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bool pwritable;
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};
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}
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