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/*
Copyright (C) 1998 Paul Barton-Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: port.cc 11871 2012-04-10 16:27:01Z paul $
*/
#include <iostream>
#include <cstdio>
#include <fcntl.h>
#include <errno.h>
#include "pbd/xml++.h"
#include "pbd/error.h"
#include "pbd/failed_constructor.h"
#include "pbd/convert.h"
#include "pbd/strsplit.h"
#include "pbd/stacktrace.h"
#include "midi++/types.h"
#include "midi++/port.h"
#include "midi++/channel.h"
using namespace MIDI;
using namespace std;
using namespace PBD;
string Port::state_node_name = "MIDI-port";
Port::Port (string const & name, Flags flags)
: _flags (flags)
, _centrally_parsed (true)
{
init (name, flags);
}
Port::Port (const XMLNode& node)
: _centrally_parsed (true)
{
Descriptor desc (node);
init (desc.tag, desc.flags);
/* derived class must call ::set_state() */
}
void
Port::init (string const & name, Flags flags)
{
_ok = false; /* derived class must set to true if constructor
succeeds.
*/
_parser = 0;
_tagname = name;
_flags = flags;
_parser = new Parser ();
for (int i = 0; i < 16; i++) {
_channel[i] = new Channel (i, *this);
_channel[i]->connect_signals ();
}
}
Port::~Port ()
{
for (int i = 0; i < 16; i++) {
delete _channel[i];
}
delete _parser;
}
/** Send a clock tick message.
* \return true on success.
*/
bool
Port::clock (timestamp_t timestamp)
{
static byte clockmsg = 0xf8;
if (sends_output()) {
return midimsg (&clockmsg, 1, timestamp);
}
return false;
}
std::ostream & MIDI::operator << ( std::ostream & os, const MIDI::Port & port )
{
using namespace std;
os << "MIDI::Port { ";
os << "name: " << port.name();
os << "; ";
os << "ok: " << port.ok();
os << "; ";
os << " }";
return os;
}
Port::Descriptor::Descriptor (const XMLNode& node)
{
const XMLProperty *prop;
bool have_tag = false;
bool have_mode = false;
if ((prop = node.property ("tag")) != 0) {
tag = prop->value();
have_tag = true;
}
if ((prop = node.property ("mode")) != 0) {
if (strings_equal_ignore_case (prop->value(), "output") || strings_equal_ignore_case (prop->value(), "out")) {
flags = IsOutput;
} else if (strings_equal_ignore_case (prop->value(), "input") || strings_equal_ignore_case (prop->value(), "in")) {
flags = IsInput;
}
have_mode = true;
}
if (!have_tag || !have_mode) {
throw failed_constructor();
}
}
XMLNode&
Port::get_state () const
{
XMLNode* root = new XMLNode (state_node_name);
root->add_property ("tag", _tagname);
if (_flags == IsInput) {
root->add_property ("mode", "input");
} else {
root->add_property ("mode", "output");
}
#if 0
byte device_inquiry[6];
device_inquiry[0] = 0xf0;
device_inquiry[0] = 0x7e;
device_inquiry[0] = 0x7f;
device_inquiry[0] = 0x06;
device_inquiry[0] = 0x02;
device_inquiry[0] = 0xf7;
write (device_inquiry, sizeof (device_inquiry), 0);
#endif
return *root;
}
void
Port::set_state (const XMLNode& node)
{
const XMLProperty* prop;
if ((prop = node.property ("tag")) == 0 || prop->value() != _tagname) {
return;
}
}
bool
Port::centrally_parsed() const
{
return _centrally_parsed;
}
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