Paul Davis
cbfe2f2fa5
git-svn-id: svn://localhost/ardour2/branches/3.0@11613 d708f5d6-7413-0410-9779-e7cbd77b26cf
151 lines
3.1 KiB
C++
151 lines
3.1 KiB
C++
/*
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Copyright (C) 2011 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 <iostream>
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#include <sstream>
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#include "gui_object.h"
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#include "i18n.h"
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using std::string;
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const string GUIObjectState::xml_node_name (X_("GUIObjectState"));
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GUIObjectState::GUIObjectState ()
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: _state (X_("GUIObjectState"))
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{
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}
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XMLNode *
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GUIObjectState::get_node (const XMLNode* parent, const string& id)
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{
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XMLNodeList const & children = parent->children ();
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for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
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if ((*i)->name() != X_("Object")) {
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continue;
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}
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XMLProperty* p = (*i)->property (X_("id"));
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if (p && p->value() == id) {
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return *i;
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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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GUIObjectState::get_or_add_node (XMLNode* parent, const string& id)
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{
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XMLNode* child = get_node (parent, id);
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if (!child) {
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child = new XMLNode (X_("Object"));
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child->add_property (X_("id"), id);
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parent->add_child_nocopy (*child);
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}
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return child;
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}
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XMLNode *
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GUIObjectState::get_or_add_node (const string& id)
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{
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return get_or_add_node (&_state, id);
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}
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/** Get a string from our state.
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* @param id property of Object node to look for.
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* @param prop_name name of the Object property to return.
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* @param empty if non-0, filled in with true if the property is currently non-existant, otherwise false.
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* @return value of property `prop_name', or empty.
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*/
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string
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GUIObjectState::get_string (const string& id, const string& prop_name, bool* empty)
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{
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XMLNode* child = get_node (&_state, id);
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if (!child) {
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if (empty) {
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*empty = true;
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}
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return string ();
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}
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XMLProperty* p = child->property (prop_name);
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if (!p) {
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if (empty) {
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*empty = true;
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}
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return string ();
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}
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if (empty) {
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*empty = false;
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}
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return p->value ();
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}
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XMLNode&
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GUIObjectState::get_state () const
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{
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return *new XMLNode (_state);
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}
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int
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GUIObjectState::set_state (const XMLNode& node)
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{
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if (node.name() != xml_node_name) {
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return -1;
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}
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_state = node;
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return 0;
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}
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void
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GUIObjectState::load (const XMLNode& node)
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{
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(void) set_state (node);
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}
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std::list<string>
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GUIObjectState::all_ids () const
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{
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std::list<string> ids;
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XMLNodeList const & children = _state.children ();
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for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
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if ((*i)->name() != X_("Object")) {
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continue;
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}
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XMLProperty* p = (*i)->property (X_("id"));
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if (p) {
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ids.push_back (p->value ());
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}
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}
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return ids;
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}
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