mirror of https://github.com/bsnes-emu/bsnes.git
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#ifndef NALL_STREAM_VECTOR_HPP
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#define NALL_STREAM_VECTOR_HPP
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#include <nall/stream/stream.hpp>
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#include <nall/vector.hpp>
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namespace nall {
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struct vectorstream : 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 true; }
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uint8_t* data() const { return memory.data(); }
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unsigned size() const { return memory.size(); }
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unsigned offset() const { return poffset; }
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void seek(unsigned offset) const { poffset = offset; }
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uint8_t read() const { return memory[poffset++]; }
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void write(uint8_t data) const { memory[poffset++] = data; }
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uint8_t read(unsigned offset) const { return memory[offset]; }
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void write(unsigned offset, uint8_t data) const { memory[offset] = data; }
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vectorstream(vector<uint8_t>& memory) : memory(memory), poffset(0), pwritable(true) {}
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vectorstream(const vector<uint8_t>& memory) : memory((vector<uint8_t>&)memory), poffset(0), pwritable(false) {}
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protected:
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vector<uint8_t>& memory;
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mutable unsigned poffset, pwritable;
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};
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}
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#endif
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