1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 #ifndef LAYOUT_VALIDATION_H_ 18 #define LAYOUT_VALIDATION_H_ 19 20 #include "dex_builder.h" 21 22 #include <string> 23 24 namespace startop { 25 26 // This visitor determines whether a layout can be compiled. Since we do not currently support all 27 // features, such as includes and merges, we need to pre-validate the layout before we start 28 // compiling. 29 class LayoutValidationVisitor { 30 public: VisitStartDocument()31 void VisitStartDocument() const {} VisitEndDocument()32 void VisitEndDocument() const {} 33 void VisitStartTag(const std::u16string& name); VisitEndTag()34 void VisitEndTag() const {} 35 message()36 const std::string& message() const { return message_; } can_compile()37 bool can_compile() const { return can_compile_; } 38 39 private: 40 std::string message_{"Okay"}; 41 bool can_compile_{true}; 42 }; 43 44 } // namespace startop 45 46 #endif // LAYOUT_VALIDATION_H_ 47