275 lines
7.0 KiB
C++
275 lines
7.0 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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*/
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#include <unistd.h>
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#include <cstdio> /* for snprintf, grrr */
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#include <glib.h>
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#include <glib/gstdio.h> /* for g_stat() */
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#include <glibmm/miscutils.h>
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#include "pbd/xml++.h"
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#include "pbd/file_utils.h"
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#include "ardour/audioengine.h"
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#include "ardour/control_protocol_manager.h"
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#include "ardour/diskstream.h"
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#include "ardour/filesystem_paths.h"
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#include "ardour/port.h"
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#include "ardour/rc_configuration.h"
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#include "ardour/session_metadata.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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using namespace PBD;
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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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static const char* user_config_file_name = "config";
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static const char* system_config_file_name = "system_config";
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RCConfiguration::RCConfiguration ()
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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/rc_configuration_vars.h"
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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_control_protocol_state (0)
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{
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}
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RCConfiguration::~RCConfiguration ()
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{
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delete _control_protocol_state;
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}
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int
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RCConfiguration::load_state ()
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{
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std::string rcfile;
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GStatBuf statbuf;
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/* load system configuration first */
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if (find_file (ardour_config_search_path(), system_config_file_name, rcfile)) {
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/* stupid XML Parser hates empty files */
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if (g_stat (rcfile.c_str(), &statbuf)) {
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return -1;
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}
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if (statbuf.st_size != 0) {
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info << string_compose (_("Loading system configuration file %1"), rcfile) << endl;
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XMLTree tree;
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if (!tree.read (rcfile.c_str())) {
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error << string_compose(_("%1: cannot read system configuration file \"%2\""), PROGRAM_NAME, rcfile) << endmsg;
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return -1;
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}
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if (set_state (*tree.root(), Stateful::current_state_version)) {
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error << string_compose(_("%1: system configuration file \"%2\" not loaded successfully."), PROGRAM_NAME, rcfile) << endmsg;
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return -1;
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}
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} else {
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error << string_compose (_("Your system %1 configuration file is empty. This probably means that there was an error installing %1"), PROGRAM_NAME) << endmsg;
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}
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}
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/* now load configuration file for user */
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if (find_file (ardour_config_search_path(), user_config_file_name, rcfile)) {
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/* stupid XML parser hates empty files */
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if (g_stat (rcfile.c_str(), &statbuf)) {
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return -1;
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}
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if (statbuf.st_size != 0) {
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info << string_compose (_("Loading user configuration file %1"), rcfile) << endl;
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XMLTree tree;
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if (!tree.read (rcfile)) {
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error << string_compose(_("%1: cannot read configuration file \"%2\""), PROGRAM_NAME, rcfile) << endmsg;
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return -1;
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}
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if (set_state (*tree.root(), Stateful::current_state_version)) {
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error << string_compose(_("%1: user configuration file \"%2\" not loaded successfully."), PROGRAM_NAME, rcfile) << endmsg;
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return -1;
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}
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} else {
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warning << string_compose (_("your %1 configuration file is empty. This is not normal."), PROGRAM_NAME) << endmsg;
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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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RCConfiguration::save_state()
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{
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const std::string rcfile = Glib::build_filename (user_config_directory(), user_config_file_name);
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// this test seems bogus?
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if (!rcfile.empty()) {
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XMLTree tree;
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tree.set_root (&get_state());
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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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void
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RCConfiguration::add_instant_xml(XMLNode& node)
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{
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Stateful::add_instant_xml (node, user_config_directory ());
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}
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XMLNode*
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RCConfiguration::instant_xml(const string& node_name)
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{
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return Stateful::instant_xml (node_name, user_config_directory ());
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}
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XMLNode&
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RCConfiguration::get_state ()
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{
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XMLNode* root;
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LocaleGuard lg (X_("C"));
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root = new XMLNode("Ardour");
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root->add_child_nocopy (get_variables ());
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root->add_child_nocopy (SessionMetadata::Metadata()->get_user_state());
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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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root->add_child_nocopy (ControlProtocolManager::instance().get_state());
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return *root;
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}
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XMLNode&
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RCConfiguration::get_variables ()
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{
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XMLNode* node;
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LocaleGuard lg (X_("C"));
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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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var.add_to_node (*node);
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#define CONFIG_VARIABLE_SPECIAL(type,var,Name,value,mutator) \
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var.add_to_node (*node);
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#include "ardour/rc_configuration_vars.h"
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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return *node;
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}
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int
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RCConfiguration::set_state (const XMLNode& root, int version)
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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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Stateful::save_extra_xml (root);
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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() == "Config") {
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set_variables (*node);
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} else if (node->name() == "Metadata") {
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SessionMetadata::Metadata()->set_state (*node, version);
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} else if (node->name() == ControlProtocolManager::state_node_name) {
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_control_protocol_state = new XMLNode (*node);
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}
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}
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Diskstream::set_disk_read_chunk_frames (minimum_disk_read_bytes.get() / sizeof (Sample));
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Diskstream::set_disk_write_chunk_frames (minimum_disk_write_bytes.get() / sizeof (Sample));
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return 0;
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}
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void
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RCConfiguration::set_variables (const XMLNode& node)
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{
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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 (var.set_from_node (node)) { \
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ParameterChanged (name); \
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}
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#define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) \
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if (var.set_from_node (node)) { \
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ParameterChanged (name); \
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}
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#include "ardour/rc_configuration_vars.h"
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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}
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void
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RCConfiguration::map_parameters (boost::function<void (std::string)>& functor)
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{
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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) functor (name);
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#define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) functor (name);
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#include "ardour/rc_configuration_vars.h"
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#undef CONFIG_VARIABLE
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#undef CONFIG_VARIABLE_SPECIAL
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}
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