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https://github.com/juce-framework/JUCE.git
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ba7593df26
Includes support for communication with USB and Bluetooth devices, as well as virtual devices.
99 lines
3.8 KiB
C++
99 lines
3.8 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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/** @cond */
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namespace juce::universal_midi_packets
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{
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/**
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Points to a single Universal MIDI Packet.
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The packet must be well-formed for member functions to work correctly.
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Specifically, the constructor argument must be the beginning of a region of
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uint32_t that contains at least `getNumWordsForMessageType (*data)` items,
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where `data` is the constructor argument.
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NOTE: Instances of this class do not own the memory that they point to!
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If you need to store a packet pointed-to by a View for later use, copy
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the view contents to a Packets collection, or use the Utils::PacketX types.
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@tags{Audio}
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*/
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class View
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{
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public:
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/** Create an invalid view. */
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View() noexcept = default;
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/** Create a view of the packet starting at address `d`. */
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explicit View (const uint32_t* data) noexcept : ptr (data) {}
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/** Get a pointer to the first word in the Universal MIDI Packet currently
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pointed-to by this view.
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*/
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const uint32_t* data() const noexcept { return ptr; }
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/** Get the number of 32 bit words (between 1 and 4 inclusive) in the Universal
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MIDI Packet currently pointed-to by this view.
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*/
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uint32_t size() const noexcept;
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/** Get a specific word from this packet.
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Passing an `index` that is greater than or equal to the result of `size`
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will cause undefined behaviour.
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*/
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const uint32_t& operator[] (size_t index) const noexcept { return ptr[index]; }
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/** Get an iterator pointing to the first word in the packet. */
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const uint32_t* begin() const noexcept { return ptr; }
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const uint32_t* cbegin() const noexcept { return ptr; }
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/** Get an iterator pointing one-past the last word in the packet. */
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const uint32_t* end() const noexcept { return ptr + size(); }
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const uint32_t* cend() const noexcept { return ptr + size(); }
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/** Return true if this view is pointing to the same address as another view. */
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bool operator== (const View& other) const noexcept { return ptr == other.ptr; }
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/** Return false if this view is pointing to the same address as another view. */
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bool operator!= (const View& other) const noexcept { return ! operator== (other); }
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private:
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const uint32_t* ptr = nullptr;
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};
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} // namespace juce::universal_midi_packets
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/** @endcond */
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