user_bundle.cc

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/*
    Copyright (C) 2012 Paul 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.

*/

#include "ardour/user_bundle.h"
#include "i18n.h"
#include "pbd/compose.h"
#include "pbd/error.h"
#include "pbd/failed_constructor.h"
#include "pbd/xml++.h"

ARDOUR::UserBundle::UserBundle (std::string const & n)
        : Bundle (n)
{

}

ARDOUR::UserBundle::UserBundle (XMLNode const & node, bool i)
        : Bundle (i)
{
        if (set_state (node, Stateful::loading_state_version)) {
                throw failed_constructor ();
        }
}

int
ARDOUR::UserBundle::set_state (XMLNode const & node, int /*version*/)
{
        XMLProperty const * name;

        if ((name = node.property ("name")) == 0) {
                PBD::error << _("Node for Bundle has no \"name\" property") << endmsg;
                return -1;
        }

        set_name (name->value ());

        XMLNodeList const channels = node.children ();

        int n = 0;
        for (XMLNodeConstIterator i = channels.begin(); i != channels.end(); ++i) {

                if ((*i)->name() != "Channel") {
                        PBD::error << string_compose (_("Unknown node \"%s\" in Bundle"), (*i)->name()) << endmsg;
                        return -1;
                }

                if ((name = (*i)->property ("name")) == 0) {
                        PBD::error << _("Node for Channel has no \"name\" property") << endmsg;
                        return -1;
                }

                XMLProperty const * type;
                if ((type = (*i)->property ("type")) == 0) {
                        PBD::error << _("Node for Channel has no \"type\" property") << endmsg;
                        return -1;
                }

                add_channel (name->value (), DataType (type->value()));

                XMLNodeList const ports = (*i)->children ();

                for (XMLNodeConstIterator j = ports.begin(); j != ports.end(); ++j) {
                        if ((*j)->name() != "Port") {
                                PBD::error << string_compose (_("Unknown node \"%s\" in Bundle"), (*j)->name()) << endmsg;
                                return -1;
                        }

                        if ((name = (*j)->property ("name")) == 0) {
                                PBD::error << _("Node for Port has no \"name\" property") << endmsg;
                                return -1;
                        }

                        add_port_to_channel (n, name->value ());
                }

                ++n;
        }

        return 0;
}

XMLNode&
ARDOUR::UserBundle::get_state ()
{
        XMLNode *node;

        if (ports_are_inputs ()) {
                node = new XMLNode ("InputBundle");
        } else {
                node = new XMLNode ("OutputBundle");
        }

        node->add_property ("name", name ());

        {
                Glib::Threads::Mutex::Lock lm (_channel_mutex);

                for (std::vector<Channel>::iterator i = _channel.begin(); i != _channel.end(); ++i) {
                        XMLNode* c = new XMLNode ("Channel");
                        c->add_property ("name", i->name);
                        c->add_property ("type", i->type.to_string());

                        for (PortList::iterator j = i->ports.begin(); j != i->ports.end(); ++j) {
                                XMLNode* p = new XMLNode ("Port");
                                p->add_property ("name", *j);
                                c->add_child_nocopy (*p);
                        }

                        node->add_child_nocopy (*c);
                }
        }

        return *node;
}