1 /* 2 * Copyright (C) 2015 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 AAPT_JAVA_ANNOTATIONPROCESSOR_H 18 #define AAPT_JAVA_ANNOTATIONPROCESSOR_H 19 20 #include <sstream> 21 #include <string> 22 23 #include "androidfw/StringPiece.h" 24 25 #include "text/Printer.h" 26 27 namespace aapt { 28 29 // Builds a JavaDoc comment from a set of XML comments. 30 // This will also look for instances of @SystemApi and convert them to 31 // actual Java annotations. 32 // 33 // Example: 34 // 35 // Input XML: 36 // 37 // <!-- This is meant to be hidden because 38 // It is system api. Also it is @deprecated 39 // @SystemApi 40 // --> 41 // 42 // Output JavaDoc: 43 // 44 // /** 45 // * This is meant to be hidden because 46 // * It is system api. Also it is @deprecated 47 // */ 48 // 49 // Output Annotations: 50 // 51 // @Deprecated 52 // @android.annotation.SystemApi 53 class AnnotationProcessor { 54 public: 55 // Extracts the first sentence of a comment. The algorithm selects the substring starting from 56 // the beginning of the string, and ending at the first '.' character that is followed by a 57 // whitespace character. If these requirements are not met, the whole string is returned. 58 static android::StringPiece ExtractFirstSentence(const android::StringPiece& comment); 59 60 // Adds more comments. Resources can have value definitions for various configurations, and 61 // each of the definitions may have comments that need to be processed. 62 void AppendComment(const android::StringPiece& comment); 63 64 void AppendNewLine(); 65 66 // Writes the comments and annotations to the Printer. 67 void Print(text::Printer* printer) const; 68 69 private: 70 std::stringstream comment_; 71 std::stringstream mAnnotations; 72 bool has_comments_ = false; 73 uint32_t annotation_bit_mask_ = 0; 74 75 void AppendCommentLine(std::string line); 76 }; 77 78 } // namespace aapt 79 80 #endif /* AAPT_JAVA_ANNOTATIONPROCESSOR_H */ 81