1 files changed, 120 insertions, 0 deletions
diff --git a/src/PortID.hpp b/src/PortID.hpp
new file mode 100644
index 0000000..3f916c0
--- /dev/null
+++ b/src/PortID.hpp
@@ -0,0 +1,120 @@
+/* This file is part of Patchage.
+ * Copyright 2008-2014 David Robillard <http://drobilla.net>
+ *
+ * Patchage 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 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Patchage 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 details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Patchage.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PATCHAGE_PORTID_HPP
+#define PATCHAGE_PORTID_HPP
+
+#include <cstring>
+#include <iostream>
+
+#include "patchage_config.h"
+
+#ifdef PATCHAGE_LIBJACK
+  #include <jack/jack.h>
+#endif
+#ifdef HAVE_ALSA
+  #include <alsa/asoundlib.h>
+#endif
+
+#include "PatchagePort.hpp"
+
+struct PortID {
+	PortID() : type(NULL_PORT_ID) { memset(&id, 0, sizeof(id)); }
+	PortID(const PortID& copy) : type(copy.type) {
+		memcpy(&id, &copy.id, sizeof(id));
+	}
+
+	enum { NULL_PORT_ID, JACK_ID, ALSA_ADDR } type;
+
+#ifdef PATCHAGE_LIBJACK
+	PortID(jack_port_id_t jack_id, bool ign=false)
+		: type(JACK_ID) { id.jack_id = jack_id; }
+#endif
+
+#ifdef HAVE_ALSA
+	PortID(snd_seq_addr_t addr, bool in)
+		: type(ALSA_ADDR) { id.alsa_addr = addr; id.is_input = in; }
+#endif
+
+	union {
+#ifdef PATCHAGE_LIBJACK
+		jack_port_id_t jack_id;
+#endif
+#ifdef HAVE_ALSA
+		struct {
+			snd_seq_addr_t alsa_addr;
+			bool           is_input : 1;
+		};
+#endif
+	} id;
+};
+
+static inline std::ostream&
+operator<<(std::ostream& os, const PortID& id)
+{
+	switch (id.type) {
+	case PortID::NULL_PORT_ID:
+		return os << "(null)";
+	case PortID::JACK_ID:
+#ifdef PATCHAGE_LIBJACK
+		return os << "jack:" << id.id.jack_id;
+#endif
+		break;
+	case PortID::ALSA_ADDR:
+#ifdef HAVE_ALSA
+		return os << "alsa:" << (int)id.id.alsa_addr.client << ":" << (int)id.id.alsa_addr.port
+		          << ":" << (id.id.is_input ? "in" : "out");
+#endif
+		break;
+	}
+	assert(false);
+	return os;
+}
+
+static inline bool
+operator<(const PortID& a, const PortID& b)
+{
+	if (a.type != b.type)
+		return a.type < b.type;
+
+	switch (a.type) {
+	case PortID::NULL_PORT_ID:
+		return true;
+	case PortID::JACK_ID:
+#ifdef PATCHAGE_LIBJACK
+		return a.id.jack_id < b.id.jack_id;
+#endif
+		break;
+	case PortID::ALSA_ADDR:
+#ifdef HAVE_ALSA
+		if ((a.id.alsa_addr.client < b.id.alsa_addr.client)
+		    || ((a.id.alsa_addr.client == b.id.alsa_addr.client)
+		        && a.id.alsa_addr.port < b.id.alsa_addr.port)) {
+			return true;
+		} else if (a.id.alsa_addr.client == b.id.alsa_addr.client
+		           && a.id.alsa_addr.port == b.id.alsa_addr.port) {
+			return (a.id.is_input < b.id.is_input);
+		} else {
+			return false;
+		}
+#endif
+		break;
+	}
+	assert(false);
+	return false;
+}
+
+#endif // PATCHAGE_PORTID_HPP