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46 lines
1.0 KiB
C++
46 lines
1.0 KiB
C++
//
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// PulseQueuedTape.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 16/07/2017.
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// Copyright 2017 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "Tape.hpp"
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#include <vector>
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namespace Storage::Tape {
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/*!
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Provides a @c Tape with a queue of upcoming pulses and an is-at-end flag.
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If is-at-end is set then get_next_pulse() returns a second of silence and
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is_at_end() returns true.
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Otherwise get_next_pulse() returns something from the pulse queue if there is
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anything there, and otherwise calls get_next_pulses(). get_next_pulses() is
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virtual, giving subclasses a chance to provide the next batch of pulses.
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*/
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class PulseQueuedSerialiser: public TapeSerialiser {
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public:
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void emplace_back(Pulse::Type, Time);
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void push_back(Pulse);
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void clear();
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bool empty() const;
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void set_is_at_end(bool);
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Pulse get_next_pulse() override;
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bool is_at_end() const override;
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virtual void get_next_pulses() = 0;
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private:
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std::vector<Pulse> queued_pulses_;
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std::size_t pulse_pointer_ = 0;
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bool is_at_end_ = false;
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};
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}
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