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 #include "DocComment.h" 18 19 #include <hidl-util/StringHelper.h> 20 21 #include <cctype> 22 #include <sstream> 23 24 namespace android { 25 26 DocComment::DocComment(const std::string& comment) { 27 std::vector<std::string> lines; 28 StringHelper::SplitString(comment, '\n', &lines); 29 30 bool foundFirstLine = false; 31 32 std::ostringstream is; 33 for (size_t l = 0; l < lines.size(); l++) { 34 const std::string& line = lines[l]; 35 36 // Delete prefixes like " * ", " *", or " ". 37 size_t idx = 0; 38 for (; idx < line.size() && isspace(line[idx]); idx++) 39 ; 40 if (idx < line.size() && line[idx] == '*') idx++; 41 if (idx < line.size() && line[idx] == ' ') idx++; 42 43 if (idx < line.size()) { 44 foundFirstLine = true; 45 } 46 47 if (!foundFirstLine) continue; 48 49 is << line.substr(idx); 50 51 if (l + 1 < lines.size()) { 52 is << "\n"; 53 } 54 } 55 56 mComment = is.str(); 57 } 58 59 void DocComment::merge(const DocComment* comment) { 60 mComment = mComment + "\n\n" + comment->mComment; 61 } 62 63 void DocComment::emit(Formatter& out) const { 64 out << "/**\n"; 65 out.setLinePrefix(" * "); 66 out << mComment; 67 out.unsetLinePrefix(); 68 out << " */\n"; 69 } 70 71 } // namespace android 72
