1 /* 2 * Copyright (C) 2016 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 "java/ClassDefinition.h" 18 19 #include "androidfw/StringPiece.h" 20 21 using android::StringPiece; 22 23 namespace aapt { 24 25 void ClassMember::WriteToStream(const StringPiece& prefix, bool final, std::ostream* out) const { 26 processor_.WriteToStream(out, prefix); 27 } 28 29 void MethodDefinition::AppendStatement(const StringPiece& statement) { 30 statements_.push_back(statement.to_string()); 31 } 32 33 void MethodDefinition::WriteToStream(const StringPiece& prefix, bool final, 34 std::ostream* out) const { 35 *out << prefix << signature_ << " {\n"; 36 for (const auto& statement : statements_) { 37 *out << prefix << " " << statement << "\n"; 38 } 39 *out << prefix << "}"; 40 } 41 42 ClassDefinition::Result ClassDefinition::AddMember(std::unique_ptr<ClassMember> member) { 43 Result result = Result::kAdded; 44 auto iter = indexed_members_.find(member->GetName()); 45 if (iter != indexed_members_.end()) { 46 // Overwrite the entry. 47 ordered_members_[iter->second].reset(); 48 result = Result::kOverridden; 49 } 50 51 indexed_members_[member->GetName()] = ordered_members_.size(); 52 ordered_members_.push_back(std::move(member)); 53 return result; 54 } 55 56 bool ClassDefinition::empty() const { 57 for (const std::unique_ptr<ClassMember>& member : ordered_members_) { 58 if (member != nullptr && !member->empty()) { 59 return false; 60 } 61 } 62 return true; 63 } 64 65 void ClassDefinition::WriteToStream(const StringPiece& prefix, bool final, 66 std::ostream* out) const { 67 if (empty() && !create_if_empty_) { 68 return; 69 } 70 71 ClassMember::WriteToStream(prefix, final, out); 72 73 *out << prefix << "public "; 74 if (qualifier_ == ClassQualifier::kStatic) { 75 *out << "static "; 76 } 77 *out << "final class " << name_ << " {\n"; 78 79 std::string new_prefix = prefix.to_string(); 80 new_prefix.append(kIndent); 81 82 for (const std::unique_ptr<ClassMember>& member : ordered_members_) { 83 // There can be nullptr members when a member is added to the ClassDefinition 84 // and takes precedence over a previous member with the same name. The overridden member is 85 // set to nullptr. 86 if (member != nullptr) { 87 member->WriteToStream(new_prefix, final, out); 88 *out << "\n"; 89 } 90 } 91 92 *out << prefix << "}"; 93 } 94 95 constexpr static const char* sWarningHeader = 96 "/* AUTO-GENERATED FILE. DO NOT MODIFY.\n" 97 " *\n" 98 " * This class was automatically generated by the\n" 99 " * aapt tool from the resource data it found. It\n" 100 " * should not be modified by hand.\n" 101 " */\n\n"; 102 103 bool ClassDefinition::WriteJavaFile(const ClassDefinition* def, 104 const StringPiece& package, bool final, 105 std::ostream* out) { 106 *out << sWarningHeader << "package " << package << ";\n\n"; 107 def->WriteToStream("", final, out); 108 return bool(*out); 109 } 110 111 } // namespace aapt 112