MIDIXML.h

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/*
 * Copyright (C) 2016 David Robillard <d@drobilla.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef EVORAL_MIDI_XML_HPP
#define EVORAL_MIDI_XML_HPP
 
#include "evoral/Event.h"
#include "pbd/xml++.h"
 
namespace Evoral {
namespace MIDIXML {
 
template<typename Time>
bool
xml_to_midi(const XMLNode& node, Evoral::Event<Time>& ev)
{
        if (node.name() == "ControlChange") {
                ev.set_type(MIDI_CMD_CONTROL);
                ev.set_cc_number(atoi(node.property("Control")->value().c_str()));
                ev.set_cc_value(atoi(node.property("Value")->value().c_str()));
                return true;
        } else if (node.name() == "ProgramChange") {
                ev.set_type(MIDI_CMD_PGM_CHANGE);
                ev.set_pgm_number(atoi(node.property("Number")->value().c_str()));
                return true;
        }
 
        return false;
}
 
template<typename Time>
std::shared_ptr<XMLNode>
midi_to_xml(const Evoral::Event<Time>& ev)
{
        XMLNode* result = 0;
 
        switch (ev.type()) {
        case MIDI_CMD_CONTROL:
                result = new XMLNode("ControlChange");
                result->add_property("Channel", long(ev.channel()));
                result->add_property("Control", long(ev.cc_number()));
                result->add_property("Value",   long(ev.cc_value()));
                break;
 
        case MIDI_CMD_PGM_CHANGE:
                result = new XMLNode("ProgramChange");
                result->add_property("Channel", long(ev.channel()));
                result->add_property("Number",  long(ev.pgm_number()));
                break;
 
        case MIDI_CMD_NOTE_ON:
                result = new XMLNode("NoteOn");
                result->add_property("Channel",  long(ev.channel()));
                result->add_property("Note",     long(ev.note()));
                result->add_property("Velocity", long(ev.velocity()));
                break;
 
        case MIDI_CMD_NOTE_OFF:
                result = new XMLNode("NoteOff");
                result->add_property("Channel",  long(ev.channel()));
                result->add_property("Note",     long(ev.note()));
                result->add_property("Velocity", long(ev.velocity()));
                break;
 
        case MIDI_CMD_BENDER:
                result = new XMLNode("PitchBendChange");
                result->add_property("Channel", long(ev.channel()));
                result->add_property("Value",   long(ev.pitch_bender_value()));
                break;
 
        default:
                return std::shared_ptr<XMLNode>();
        }
 
        return std::shared_ptr<XMLNode>(result);
}
 
} // namespace MIDIXML
} // namespace Evoral
 
#endif // EVORAL_MIDI_XML_HPP