| /* |
| * Copyright 2015 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef COBALT_CSSOM_COMBINATOR_VISITOR_H_ |
| #define COBALT_CSSOM_COMBINATOR_VISITOR_H_ |
| |
| namespace cobalt { |
| namespace cssom { |
| |
| class ChildCombinator; |
| class DescendantCombinator; |
| class FollowingSiblingCombinator; |
| class NextSiblingCombinator; |
| |
| class CombinatorVisitor { |
| public: |
| virtual void VisitChildCombinator(ChildCombinator* child_combinator) = 0; |
| virtual void VisitNextSiblingCombinator( |
| NextSiblingCombinator* next_sibling_combinator) = 0; |
| virtual void VisitDescendantCombinator( |
| DescendantCombinator* descendant_combinator) = 0; |
| virtual void VisitFollowingSiblingCombinator( |
| FollowingSiblingCombinator* following_sibling_combinator) = 0; |
| |
| protected: |
| ~CombinatorVisitor() {} |
| }; |
| } // namespace cssom |
| } // namespace cobalt |
| |
| #endif // COBALT_CSSOM_COMBINATOR_VISITOR_H_ |