*/
#include <iostream>
-#include <iomanip>
#include <sstream>
-#include <boost/variant/static_visitor.hpp>
-
#include "gui_object.h"
#include "i18n.h"
const string GUIObjectState::xml_node_name (X_("GUIObjectState"));
-GUIObjectState::~GUIObjectState ()
+GUIObjectState::GUIObjectState ()
+ : _state (X_("GUIObjectState"))
{
- clear_maps ();
+
}
+XMLNode *
+GUIObjectState::get_node (const XMLNode* parent, const string& id)
+{
+ XMLNodeList const & children = parent->children ();
+ for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
+
+ if ((*i)->name() != X_("Object")) {
+ continue;
+ }
+
+ XMLProperty* p = (*i)->property (X_("id"));
+ if (p && p->value() == id) {
+ return *i;
+ }
+ }
+
+ return 0;
+}
+
+XMLNode *
+GUIObjectState::get_or_add_node (XMLNode* parent, const string& id)
+{
+ XMLNode* child = get_node (parent, id);
+ if (!child) {
+ child = new XMLNode (X_("Object"));
+ child->add_property (X_("id"), id);
+ parent->add_child_nocopy (*child);
+ }
+
+ return child;
+}
+
+XMLNode *
+GUIObjectState::get_or_add_node (const string& id)
+{
+ return get_or_add_node (&_state, id);
+}
+
+/** Remove node with provided id.
+ * @param id property of Object node to look for.
+ */
+
void
-GUIObjectState::clear_maps ()
+GUIObjectState::remove_node (const std::string& id)
{
- _property_maps.clear ();
+ _state.remove_nodes_and_delete(X_("id"), id );
}
-class gos_string_vistor : public boost::static_visitor<> {
- public:
- gos_string_vistor (std::ostream& o)
- : stream (o) {}
-
- void operator() (const int64_t& i) {
- stream << i;
- }
-#if 0
- void operator() (const double& d) {
- stream << std::setprecision (12) << d;
- }
-#endif
-
- void operator() (const std::string& s) {
- stream << s;
- }
-
- private:
- std::ostream& stream;
-};
+/** Get a string from our state.
+ * @param id property of Object node to look for.
+ * @param prop_name name of the Object property to return.
+ * @param empty if non-0, filled in with true if the property is currently non-existant, otherwise false.
+ * @return value of property `prop_name', or empty.
+ */
-XMLNode&
-GUIObjectState::get_state () const
+string
+GUIObjectState::get_string (const string& id, const string& prop_name, bool* empty)
{
- XMLNode* root = new XMLNode (xml_node_name);
-
- for (StringPropertyMap::const_iterator i = _property_maps.begin(); i != _property_maps.end(); ++i) {
-
- const PropertyMap& pmap (i->second);
- XMLNode* id_node = new XMLNode (X_("Object"));
-
- id_node->add_property ("id", i->first);
-
- for (PropertyMap::const_iterator p = pmap.begin(); p != pmap.end(); ++p) {
- std::stringstream ss;
- gos_string_vistor gsv (ss);
- boost::apply_visitor (gsv, p->second);
- id_node->add_property (p->first.c_str(), ss.str());
+ XMLNode* child = get_node (&_state, id);
+
+ if (!child) {
+ if (empty) {
+ *empty = true;
}
-
- root->add_child_nocopy (*id_node);
+ return string ();
}
+ XMLProperty* p = child->property (prop_name);
+ if (!p) {
+ if (empty) {
+ *empty = true;
+ }
+ return string ();
+ }
- return *root;
+ if (empty) {
+ *empty = false;
+ }
+
+ return p->value ();
+}
+
+XMLNode&
+GUIObjectState::get_state () const
+{
+ return *new XMLNode (_state);
}
int
if (node.name() != xml_node_name) {
return -1;
}
-
- clear_maps ();
-
- for (XMLNodeList::const_iterator i = node.children().begin(); i != node.children().end(); ++i) {
- if ((*i)->name() == X_("Object")) {
-
- XMLNode* child = (*i);
- const XMLProperty* idp = child->property (X_("id"));
-
- if (!idp) {
- continue;
- }
-
- string id (idp->value());
-
- for (XMLPropertyList::const_iterator p = child->properties().begin(); p != child->properties().end(); ++p) {
- /* note that this always sets the property with
- a string value, and so is not equivalent to
- a call made by the program that passed a
- scalar.
- */
- if ((*p)->name() != X_("id")) {
- set (id, (*p)->name(), (*p)->value());
- }
- }
- }
- }
+ _state = node;
return 0;
}
-
void
GUIObjectState::load (const XMLNode& node)
{
(void) set_state (node);
}
-GUIObjectState&
-GUIObjectState::operator= (const GUIObjectState& other)
+std::list<string>
+GUIObjectState::all_ids () const
{
- _property_maps = other._property_maps;
+ std::list<string> ids;
+ XMLNodeList const & children = _state.children ();
+ for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
+ if ((*i)->name() != X_("Object")) {
+ continue;
+ }
- return *this;
+ XMLProperty* p = (*i)->property (X_("id"));
+ if (p) {
+ ids.push_back (p->value ());
+ }
+ }
+
+ return ids;
}
+
+
projects / ardour.git / blobdiff