2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * @file IFilterVisitor.h
19 * @author Kisub Song (kisubs.song@samsung.com)
24 #ifndef _API_IFILTER_VISITOR_H_
25 #define _API_IFILTER_VISITOR_H_
29 #include <dpl/shared_ptr.h>
31 #include "FilterTypes.h"
38 typedef DPL::SharedPtr<IFilter> FilterPtr;
39 typedef std::vector<std::string> MatchFlagArray;
40 typedef DPL::SharedPtr<MatchFlagArray> MatchFlagArrayPtr;
42 // GoF Visitor Pattern
47 virtual ~IFilterVisitor();
49 virtual void visitPreComposite(FilterType& type, int depth) = 0;
50 virtual void visitInComposite(FilterType& type, int depth) = 0;
51 virtual void visitPostComposite(FilterType& type, int depth) = 0;
52 virtual void visitAttribute(std::string& attrName,
53 MatchFlag& matchFlag, AnyArrayPtr& values, int depth) = 0;
54 virtual void visitAttributeRange(std::string& attrName, AnyPtr& initialValue, AnyPtr& endValue, int depth) = 0;
57 typedef DPL::SharedPtr<IFilterVisitor> IFilterVisitorPtr;
63 #endif // _API_IFILTER_VISITOR_H_