C++ MethodBind::has_default_argument方法代码示例

void DocDump::dump(const String &p_file) {

	List<StringName> class_list;
	ClassDB::get_class_list(&class_list);

	class_list.sort_custom<StringName::AlphCompare>();

	FileAccess *f = FileAccess::open(p_file, FileAccess::WRITE);

	_write_string(f, 0, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>");

	_write_string(f, 0, "<doc version=\"" + String(VERSION_MKSTRING) + "\" name=\"Engine Types\">");
	while (class_list.size()) {

		String name = class_list.front()->get();

		String header = "<class name=\"" + name + "\"";
		String inherits = ClassDB::get_parent_class(name);
		if (inherits != "")
			header += " inherits=\"" + inherits + "\"";
		String category = ClassDB::get_category(name);
		if (category == "")
			category = "Core";
		header += " category=\"" + category + "\"";
		header += ">";
		_write_string(f, 0, header);
		_write_string(f, 1, "<brief_description>");
		_write_string(f, 1, "</brief_description>");
		_write_string(f, 1, "<description>");
		_write_string(f, 1, "</description>");
		_write_string(f, 1, "<methods>");

		List<MethodInfo> method_list;
		ClassDB::get_method_list(name, &method_list, true);
		method_list.sort();

		for (List<MethodInfo>::Element *E = method_list.front(); E; E = E->next()) {
			if (E->get().name == "" || E->get().name[0] == '_')
				continue; //hiden

			MethodBind *m = ClassDB::get_method(name, E->get().name);

			String qualifiers;
			if (E->get().flags & METHOD_FLAG_CONST)
				qualifiers += "qualifiers=\"const\"";

			_write_string(f, 2, "<method name=\"" + _escape_string(E->get().name) + "\" " + qualifiers + " >");

			for (int i = -1; i < E->get().arguments.size(); i++) {

				PropertyInfo arginfo;

				if (i == -1) {

					arginfo = E->get().return_val;
					String type_name = (arginfo.hint == PROPERTY_HINT_RESOURCE_TYPE) ? arginfo.hint_string : Variant::get_type_name(arginfo.type);

					if (arginfo.type == Variant::NIL)
						continue;
					_write_string(f, 3, "<return type=\"" + type_name + "\">");
				} else {

					arginfo = E->get().arguments[i];

					String type_name;

					if (arginfo.hint == PROPERTY_HINT_RESOURCE_TYPE)
						type_name = arginfo.hint_string;
					else if (arginfo.type == Variant::NIL)
						type_name = "var";
					else
						type_name = Variant::get_type_name(arginfo.type);

					if (m && m->has_default_argument(i)) {
						Variant default_arg = m->get_default_argument(i);
						String default_arg_text = String(_escape_string(m->get_default_argument(i)));

						switch (default_arg.get_type()) {

							case Variant::NIL:
								default_arg_text = "NULL";
								break;
							// atomic types
							case Variant::BOOL:
								if (bool(default_arg))
									default_arg_text = "true";
								else
									default_arg_text = "false";
								break;
							case Variant::INT:
							case Variant::REAL:
								//keep it
								break;
							case Variant::STRING: // 15
							case Variant::NODE_PATH: // 15
								default_arg_text = "\"" + default_arg_text + "\"";
								break;
							case Variant::TRANSFORM:
								if (default_arg.operator Transform() == Transform()) {
									default_arg_text = "";
//.........这里部分代码省略.........

void ClassDB::get_method_list(StringName p_class, List<MethodInfo> *p_methods, bool p_no_inheritance, bool p_exclude_from_properties) {

	OBJTYPE_RLOCK;

	ClassInfo *type = classes.getptr(p_class);

	while (type) {

		if (type->disabled) {

			if (p_no_inheritance)
				break;

			type = type->inherits_ptr;
			continue;
		}

#ifdef DEBUG_METHODS_ENABLED

		for (List<MethodInfo>::Element *E = type->virtual_methods.front(); E; E = E->next()) {

			p_methods->push_back(E->get());
		}

		for (List<StringName>::Element *E = type->method_order.front(); E; E = E->next()) {

			MethodBind *method = type->method_map.get(E->get());
			MethodInfo minfo;
			minfo.name = E->get();
			minfo.id = method->get_method_id();

			if (p_exclude_from_properties && type->methods_in_properties.has(minfo.name))
				continue;

			for (int i = 0; i < method->get_argument_count(); i++) {

				//Variant::Type t=method->get_argument_type(i);

				minfo.arguments.push_back(method->get_argument_info(i));
			}

			minfo.return_val = method->get_return_info();
			minfo.flags = method->get_hint_flags();

			for (int i = 0; i < method->get_argument_count(); i++) {
				if (method->has_default_argument(i))
					minfo.default_arguments.push_back(method->get_default_argument(i));
			}

			p_methods->push_back(minfo);
		}

#else

		const StringName *K = NULL;

		while ((K = type->method_map.next(K))) {

			MethodBind *m = type->method_map[*K];
			MethodInfo mi;
			mi.name = m->get_name();
			p_methods->push_back(mi);
		}

#endif

		if (p_no_inheritance)
			break;

		type = type->inherits_ptr;
	}
}

void DocData::generate(bool p_basic_types) {


	List<StringName> classes;
	ObjectTypeDB::get_type_list(&classes);
	classes.sort_custom<StringName::AlphCompare>();

	while(classes.size()) {

		String name=classes.front()->get();
		String cname=name;
		if (cname.begins_with("_")) //proxy class
			cname=cname.substr(1,name.length());

		class_list[cname]=ClassDoc();
		ClassDoc& c = class_list[cname];
		c.name=cname;
		c.inherits=ObjectTypeDB::type_inherits_from(name);
		c.category=ObjectTypeDB::get_category(name);

		List<MethodInfo> method_list;
		ObjectTypeDB::get_method_list(name,&method_list,true);
		method_list.sort();


		for(List<MethodInfo>::Element *E=method_list.front();E;E=E->next()) {

			if (E->get().name=="" || (E->get().name[0]=='_' && !(E->get().flags&METHOD_FLAG_VIRTUAL)))
				continue; //hiden, dont count

			MethodDoc method;

			method.name=E->get().name;

			MethodBind *m = ObjectTypeDB::get_method(name,E->get().name);


			if (E->get().flags&METHOD_FLAG_VIRTUAL)
				method.qualifiers="virtual";
			if (E->get().flags&METHOD_FLAG_CONST) {
				if (method.qualifiers!="")
					method.qualifiers+=" ";
				method.qualifiers+="const";
			}

			for(int i=-1;i<E->get().arguments.size();i++) {

				PropertyInfo arginfo;

				if (i==-1) {


					arginfo=E->get().return_val;
#ifdef DEBUG_METHODS_ENABLED
					if (m && m->get_return_type()!=StringName())
						method.return_type=m->get_return_type();
					else if (method.name.find(":")!=-1) {
						method.return_type=method.name.get_slice(":",1);
						method.name=method.name.get_slice(":",0);

					} else if (arginfo.type!=Variant::NIL) // {
#endif
						method.return_type=(arginfo.hint==PROPERTY_HINT_RESOURCE_TYPE)?arginfo.hint_string:Variant::get_type_name(arginfo.type);
//					}

				} else {

					ArgumentDoc argument;

					arginfo=E->get().arguments[i];

					String type_name;

					if (arginfo.name.find(":")!=-1) {
						type_name=arginfo.name.get_slice(":",1);
						arginfo.name=arginfo.name.get_slice(":",0);

					} else if (arginfo.hint==PROPERTY_HINT_RESOURCE_TYPE) {
						type_name=arginfo.hint_string;
					} else if (arginfo.type==Variant::NIL)
						type_name="Variant";
					else
						type_name=Variant::get_type_name(arginfo.type);

					if (arginfo.type==Variant::OBJECT) {

						//print_line("validate: "+cname+"::"+method.name);
					}

					if (m && m->has_default_argument(i)) {
						Variant default_arg=m->get_default_argument(i);
						String default_arg_text=m->get_default_argument(i);

						switch(default_arg.get_type()) {

							case Variant::NIL:
								default_arg_text="NULL";
								break;
							// atomic types
							case Variant::BOOL:
//.........这里部分代码省略.........