mirror of https://github.com/bsnes-emu/bsnes.git
43 lines
1.0 KiB
C++
43 lines
1.0 KiB
C++
#ifndef NALL_STREAM_FILE_HPP
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#define NALL_STREAM_FILE_HPP
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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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bool seekable() const { return true; }
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bool readable() const { return true; }
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bool writable() const { return pwritable; }
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bool randomaccess() const { return false; }
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unsigned size() const { return pfile.size(); }
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unsigned offset() const { return pfile.offset(); }
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void seek(unsigned offset) const { pfile.seek(offset); }
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uint8_t read() const { return pfile.read(); }
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void write(uint8_t data) const { pfile.write(data); }
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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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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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#endif
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