Eric Holk | 3cbf176 | 2018-12-13 16:04:56 -0800 | [diff] [blame] | 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 | #ifndef TINYXML_LAYOUT_PARSER_H_ |
| 17 | #define TINYXML_LAYOUT_PARSER_H_ |
| 18 | |
| 19 | #include "tinyxml2.h" |
| 20 | |
| 21 | #include <codecvt> |
| 22 | #include <locale> |
| 23 | #include <string> |
| 24 | |
| 25 | namespace startop { |
| 26 | |
| 27 | template <typename Visitor> |
| 28 | class TinyXmlVisitorAdapter : public tinyxml2::XMLVisitor { |
| 29 | public: |
| 30 | explicit TinyXmlVisitorAdapter(Visitor* visitor) : visitor_{visitor} {} |
| 31 | |
| 32 | bool VisitEnter(const tinyxml2::XMLDocument& /*doc*/) override { |
| 33 | visitor_->VisitStartDocument(); |
| 34 | return true; |
| 35 | } |
| 36 | |
| 37 | bool VisitExit(const tinyxml2::XMLDocument& /*doc*/) override { |
| 38 | visitor_->VisitEndDocument(); |
| 39 | return true; |
| 40 | } |
| 41 | |
| 42 | bool VisitEnter(const tinyxml2::XMLElement& element, |
| 43 | const tinyxml2::XMLAttribute* /*firstAttribute*/) override { |
| 44 | visitor_->VisitStartTag( |
| 45 | std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t>{}.from_bytes( |
| 46 | element.Name())); |
| 47 | return true; |
| 48 | } |
| 49 | |
| 50 | bool VisitExit(const tinyxml2::XMLElement& /*element*/) override { |
| 51 | visitor_->VisitEndTag(); |
| 52 | return true; |
| 53 | } |
| 54 | |
| 55 | private: |
| 56 | Visitor* visitor_; |
| 57 | }; |
| 58 | |
| 59 | // Returns whether a layout resource represented by a TinyXML document is supported by the layout |
| 60 | // compiler. |
| 61 | bool CanCompileLayout(const tinyxml2::XMLDocument& xml, std::string* message = nullptr); |
| 62 | |
| 63 | } // namespace startop |
| 64 | |
| 65 | #endif // TINYXML_LAYOUT_PARSER_H_ |