Paul Davis
948caba588
git-svn-id: svn://localhost/trunk/ardour2@420 d708f5d6-7413-0410-9779-e7cbd77b26cf
278 lines
6.4 KiB
C++
278 lines
6.4 KiB
C++
/*
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Copyright (C) 1999-2006 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#include <unistd.h>
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#include <cstdio> /* for snprintf, grrr */
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#include <pbd/failed_constructor.h>
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#include <pbd/xml++.h>
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#include <ardour/ardour.h>
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#include <ardour/configuration.h>
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#include <ardour/diskstream.h>
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#include <ardour/destructive_filesource.h>
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace std;
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/* this is global so that we do not have to indirect through an object pointer
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to reference it.
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*/
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namespace ARDOUR {
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float speed_quietning = 0.251189; // -12dB reduction for ffwd or rewind
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}
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Configuration::Configuration ()
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:
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/* construct variables */
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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#define CONFIG_VARIABLE(Type,var,name,value) var (name,value),
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#define CONFIG_VARIABLE_SPECIAL(Type,var,name,value,mutator) var (name,value,mutator),
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#include "ardour/configuration_vars.h"
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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user_configuration (false)
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{
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}
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Configuration::~Configuration ()
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{
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}
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int
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Configuration::load_state ()
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{
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string rcfile;
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/* load system configuration first */
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rcfile = find_config_file ("ardour_system.rc");
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if (rcfile.length()) {
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XMLTree tree;
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cerr << string_compose (_("loading system configuration file %1"), rcfile) << endl;
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if (!tree.read (rcfile.c_str())) {
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error << string_compose(_("Ardour: cannot read system configuration file \"%1\""), rcfile) << endmsg;
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return -1;
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}
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if (set_state (*tree.root())) {
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error << string_compose(_("Ardour: system configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
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return -1;
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}
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}
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/* from this point on, all configuration changes are user driven */
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user_configuration = true;
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/* now load configuration file for user */
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rcfile = find_config_file ("ardour.rc");
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if (rcfile.length()) {
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XMLTree tree;
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cerr << string_compose (_("loading user configuration file %1"), rcfile) << endl;
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if (!tree.read (rcfile)) {
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error << string_compose(_("Ardour: cannot read configuration file \"%1\""), rcfile) << endmsg;
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return -1;
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}
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if (set_state (*tree.root())) {
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error << string_compose(_("Ardour: user configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
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return -1;
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}
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}
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return 0;
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}
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int
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Configuration::save_state()
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{
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XMLTree tree;
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string rcfile;
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/* Note: this only writes the per-user file, and therefore
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only saves variables marked as user-set or modified
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*/
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rcfile = get_user_ardour_path ();
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rcfile += "ardour.rc";
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if (rcfile.length()) {
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tree.set_root (&state (true));
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if (!tree.write (rcfile.c_str())){
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error << string_compose (_("Config file %1 not saved"), rcfile) << endmsg;
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return -1;
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}
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}
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return 0;
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}
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XMLNode&
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Configuration::get_state ()
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{
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return state (false);
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}
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XMLNode&
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Configuration::state (bool user_only)
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{
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XMLNode* root = new XMLNode("Ardour");
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LocaleGuard lg (X_("POSIX"));
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typedef map<string, MidiPortDescriptor*>::const_iterator CI;
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for(CI m = midi_ports.begin(); m != midi_ports.end(); ++m){
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root->add_child_nocopy(m->second->get_state());
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}
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XMLNode* node = new XMLNode("Config");
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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#define CONFIG_VARIABLE(type,var,name,value) \
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if (!user_only || var.is_user()) var.add_to_node (*node);
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#define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) \
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if (!user_only || var.is_user()) var.add_to_node (*node);
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#include "ardour/configuration_vars.h"
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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root->add_child_nocopy (*node);
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if (_extra_xml) {
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root->add_child_copy (*_extra_xml);
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}
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return *root;
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}
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int
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Configuration::set_state (const XMLNode& root)
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{
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if (root.name() != "Ardour") {
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return -1;
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}
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XMLNodeList nlist = root.children();
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XMLNodeConstIterator niter;
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XMLNode *node;
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for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
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node = *niter;
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if (node->name() == "MIDI-port") {
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try {
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pair<string,MidiPortDescriptor*> newpair;
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newpair.second = new MidiPortDescriptor (*node);
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newpair.first = newpair.second->tag;
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midi_ports.insert (newpair);
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}
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catch (failed_constructor& err) {
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warning << _("ill-formed MIDI port specification in ardour rcfile (ignored)") << endmsg;
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}
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} else if (node->name() == "Config") {
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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#define CONFIG_VARIABLE(type,var,name,value) \
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var.set_from_node (*node); \
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var.set_is_user (user_configuration);
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#define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) \
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var.set_from_node (*node); \
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var.set_is_user (user_configuration);
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#include "ardour/configuration_vars.h"
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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} else if (node->name() == "extra") {
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_extra_xml = new XMLNode (*node);
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}
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}
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DiskStream::set_disk_io_chunk_frames (minimum_disk_io_bytes.get() / sizeof (Sample));
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return 0;
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}
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Configuration::MidiPortDescriptor::MidiPortDescriptor (const XMLNode& node)
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{
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const XMLProperty *prop;
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bool have_tag = false;
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bool have_device = false;
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bool have_type = false;
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bool have_mode = false;
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if ((prop = node.property ("tag")) != 0) {
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tag = prop->value();
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have_tag = true;
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}
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if ((prop = node.property ("device")) != 0) {
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device = prop->value();
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have_device = true;
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}
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if ((prop = node.property ("type")) != 0) {
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type = prop->value();
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have_type = true;
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}
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if ((prop = node.property ("mode")) != 0) {
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mode = prop->value();
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have_mode = true;
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}
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if (!have_tag || !have_device || !have_type || !have_mode) {
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throw failed_constructor();
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}
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}
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XMLNode&
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Configuration::MidiPortDescriptor::get_state()
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{
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XMLNode* root = new XMLNode("MIDI-port");
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root->add_property("tag", tag);
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root->add_property("device", device);
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root->add_property("type", type);
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root->add_property("mode", mode);
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return *root;
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}
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