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livetrax/libs/ardour/session_configuration.cc

198 lines
4.7 KiB
C++

/*
Copyright (C) 2009 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 <glib.h>
#include "pbd/gstdio_compat.h"
#include <glibmm/miscutils.h> /* for build_filename() */
#include "pbd/error.h"
#include "pbd/file_utils.h"
#include "pbd/locale_guard.h"
#include "pbd/pathexpand.h"
#include "ardour/types.h"
#include "ardour/filesystem_paths.h"
#include "ardour/session_configuration.h"
#include "ardour/utils.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace PBD;
SessionConfiguration::SessionConfiguration ()
:
/* construct variables */
#undef CONFIG_VARIABLE
#undef CONFIG_VARIABLE_SPECIAL
#define CONFIG_VARIABLE(Type,var,name,value) var (name,value),
#define CONFIG_VARIABLE_SPECIAL(Type,var,name,value,mutator) var (name,value,mutator),
#include "ardour/session_configuration_vars.h"
#undef CONFIG_VARIABLE
#undef CONFIG_VARIABLE_SPECIAL
foo (0)
{
}
XMLNode&
SessionConfiguration::get_state ()
{
XMLNode* root;
LocaleGuard lg;
root = new XMLNode ("Ardour");
root->add_child_nocopy (get_variables ());
return *root;
}
XMLNode&
SessionConfiguration::get_variables ()
{
XMLNode* node;
LocaleGuard lg;
node = new XMLNode ("Config");
#undef CONFIG_VARIABLE
#undef CONFIG_VARIABLE_SPECIAL
#define CONFIG_VARIABLE(type,var,Name,value) \
var.add_to_node (*node);
#define CONFIG_VARIABLE_SPECIAL(type,var,Name,value,mutator) \
var.add_to_node (*node);
#include "ardour/session_configuration_vars.h"
#undef CONFIG_VARIABLE
#undef CONFIG_VARIABLE_SPECIAL
return *node;
}
int
SessionConfiguration::set_state (XMLNode const& root, int /*version*/)
{
if (root.name() != "Ardour") {
return -1;
}
for (XMLNodeConstIterator i = root.children().begin(); i != root.children().end(); ++i) {
if ((*i)->name() == "Config") {
set_variables (**i);
}
}
return 0;
}
void
SessionConfiguration::set_variables (const XMLNode& node)
{
#undef CONFIG_VARIABLE
#undef CONFIG_VARIABLE_SPECIAL
#define CONFIG_VARIABLE(type,var,name,value) \
if (var.set_from_node (node)) { \
ParameterChanged (name); \
}
#define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) \
if (var.set_from_node (node)) { \
ParameterChanged (name); \
}
#include "ardour/session_configuration_vars.h"
#undef CONFIG_VARIABLE
#undef CONFIG_VARIABLE_SPECIAL
}
void
SessionConfiguration::map_parameters (boost::function<void (std::string)>& functor)
{
#undef CONFIG_VARIABLE
#undef CONFIG_VARIABLE_SPECIAL
#define CONFIG_VARIABLE(type,var,name,value) functor (name);
#define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) functor (name);
#include "ardour/session_configuration_vars.h"
#undef CONFIG_VARIABLE
#undef CONFIG_VARIABLE_SPECIAL
}
bool
SessionConfiguration::load_state ()
{
std::string rcfile;
GStatBuf statbuf;
if (find_file (ardour_config_search_path(), "session.rc", rcfile)) {
if (g_stat (rcfile.c_str(), &statbuf)) {
return false;
}
if (statbuf.st_size == 0) {
return false;
}
XMLTree tree;
if (!tree.read (rcfile.c_str())) {
error << string_compose(_("%1: cannot part default session options \"%2\""), PROGRAM_NAME, rcfile) << endmsg;
return false;
}
XMLNode& root (*tree.root());
if (root.name() != X_("SessionDefaults")) {
warning << _("Invalid session default XML Root.") << endmsg;
return false;
}
XMLNode* node;
if (((node = find_named_node (root, X_("Config"))) != 0)) {
LocaleGuard lg;
set_variables(*node);
info << _("Loaded custom session defaults.") << endmsg;
} else {
warning << _("Found no session defaults in XML file.") << endmsg;
return false;
}
/* CUSTOM OVERRIDES */
set_audio_search_path("");
set_midi_search_path("");
set_raid_path("");
}
return true;
}
bool
SessionConfiguration::save_state ()
{
const std::string rcfile = Glib::build_filename (user_config_directory(), "session.rc");
if (rcfile.empty()) {
return false;
}
XMLTree tree;
XMLNode* root = new XMLNode(X_("SessionDefaults"));
root->add_child_nocopy (get_variables ());
tree.set_root (root);
if (!tree.write (rcfile.c_str())) {
error << _("Could not save session options") << endmsg;
return false;
}
return true;
}