Adam Lesinski | 6cbfb1d | 2016-03-31 13:33:02 -0700 | [diff] [blame] | 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_CLASSDEFINITION_H |
| 18 | #define AAPT_JAVA_CLASSDEFINITION_H |
| 19 | |
| 20 | #include "Resource.h" |
| 21 | #include "java/AnnotationProcessor.h" |
| 22 | #include "util/StringPiece.h" |
| 23 | #include "util/Util.h" |
| 24 | |
| 25 | #include <android-base/macros.h> |
| 26 | #include <sstream> |
| 27 | #include <string> |
| 28 | |
| 29 | namespace aapt { |
| 30 | |
| 31 | // The number of attributes to emit per line in a Styleable array. |
| 32 | constexpr static size_t kAttribsPerLine = 4; |
| 33 | constexpr static const char* kIndent = " "; |
| 34 | |
| 35 | class ClassMember { |
| 36 | public: |
| 37 | virtual ~ClassMember() = default; |
| 38 | |
| 39 | AnnotationProcessor* getCommentBuilder() { |
| 40 | return &mProcessor; |
| 41 | } |
| 42 | |
| 43 | virtual bool empty() const = 0; |
| 44 | |
| 45 | virtual void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const { |
| 46 | mProcessor.writeToStream(out, prefix); |
| 47 | } |
| 48 | |
| 49 | private: |
| 50 | AnnotationProcessor mProcessor; |
| 51 | }; |
| 52 | |
| 53 | template <typename T> |
| 54 | class PrimitiveMember : public ClassMember { |
| 55 | public: |
| 56 | PrimitiveMember(const StringPiece& name, const T& val) : |
| 57 | mName(name.toString()), mVal(val) { |
| 58 | } |
| 59 | |
| 60 | bool empty() const override { |
| 61 | return false; |
| 62 | } |
| 63 | |
| 64 | void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const override { |
| 65 | ClassMember::writeToStream(prefix, final, out); |
| 66 | |
| 67 | *out << prefix << "public static " << (final ? "final " : "") |
| 68 | << "int " << mName << "=" << mVal << ";"; |
| 69 | } |
| 70 | |
| 71 | private: |
| 72 | std::string mName; |
| 73 | T mVal; |
| 74 | |
| 75 | DISALLOW_COPY_AND_ASSIGN(PrimitiveMember); |
| 76 | }; |
| 77 | |
| 78 | /** |
| 79 | * Specialization for strings so they get the right type and are quoted with "". |
| 80 | */ |
| 81 | template <> |
| 82 | class PrimitiveMember<std::string> : public ClassMember { |
| 83 | public: |
| 84 | PrimitiveMember(const StringPiece& name, const std::string& val) : |
| 85 | mName(name.toString()), mVal(val) { |
| 86 | } |
| 87 | |
| 88 | bool empty() const override { |
| 89 | return false; |
| 90 | } |
| 91 | |
| 92 | void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const override { |
| 93 | ClassMember::writeToStream(prefix, final, out); |
| 94 | |
| 95 | *out << prefix << "public static " << (final ? "final " : "") |
| 96 | << "String " << mName << "=\"" << mVal << "\";"; |
| 97 | } |
| 98 | |
| 99 | private: |
| 100 | std::string mName; |
| 101 | std::string mVal; |
| 102 | |
| 103 | DISALLOW_COPY_AND_ASSIGN(PrimitiveMember); |
| 104 | }; |
| 105 | |
| 106 | using IntMember = PrimitiveMember<uint32_t>; |
| 107 | using ResourceMember = PrimitiveMember<ResourceId>; |
| 108 | using StringMember = PrimitiveMember<std::string>; |
| 109 | |
| 110 | template <typename T> |
| 111 | class PrimitiveArrayMember : public ClassMember { |
| 112 | public: |
| 113 | PrimitiveArrayMember(const StringPiece& name) : |
| 114 | mName(name.toString()) { |
| 115 | } |
| 116 | |
| 117 | void addElement(const T& val) { |
| 118 | mElements.push_back(val); |
| 119 | } |
| 120 | |
| 121 | bool empty() const override { |
| 122 | return false; |
| 123 | } |
| 124 | |
| 125 | void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const override { |
| 126 | ClassMember::writeToStream(prefix, final, out); |
| 127 | |
Adam Lesinski | 626b3db | 2016-04-07 13:24:59 -0700 | [diff] [blame] | 128 | *out << prefix << "public static final int[] " << mName << "={"; |
Adam Lesinski | 6cbfb1d | 2016-03-31 13:33:02 -0700 | [diff] [blame] | 129 | |
| 130 | const auto begin = mElements.begin(); |
| 131 | const auto end = mElements.end(); |
| 132 | for (auto current = begin; current != end; ++current) { |
| 133 | if (std::distance(begin, current) % kAttribsPerLine == 0) { |
| 134 | *out << "\n" << prefix << kIndent << kIndent; |
| 135 | } |
| 136 | |
| 137 | *out << *current; |
| 138 | if (std::distance(current, end) > 1) { |
| 139 | *out << ", "; |
| 140 | } |
| 141 | } |
| 142 | *out << "\n" << prefix << kIndent <<"};"; |
| 143 | } |
| 144 | |
| 145 | private: |
| 146 | std::string mName; |
| 147 | std::vector<T> mElements; |
| 148 | |
| 149 | DISALLOW_COPY_AND_ASSIGN(PrimitiveArrayMember); |
| 150 | }; |
| 151 | |
| 152 | using ResourceArrayMember = PrimitiveArrayMember<ResourceId>; |
| 153 | |
| 154 | enum class ClassQualifier { |
| 155 | None, |
| 156 | Static |
| 157 | }; |
| 158 | |
| 159 | class ClassDefinition : public ClassMember { |
| 160 | public: |
| 161 | static bool writeJavaFile(const ClassDefinition* def, |
| 162 | const StringPiece& package, |
| 163 | bool final, |
| 164 | std::ostream* out); |
| 165 | |
| 166 | ClassDefinition(const StringPiece& name, ClassQualifier qualifier, bool createIfEmpty) : |
| 167 | mName(name.toString()), mQualifier(qualifier), mCreateIfEmpty(createIfEmpty) { |
| 168 | } |
| 169 | |
| 170 | void addMember(std::unique_ptr<ClassMember> member) { |
| 171 | mMembers.push_back(std::move(member)); |
| 172 | } |
| 173 | |
| 174 | bool empty() const override; |
| 175 | void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const override; |
| 176 | |
| 177 | private: |
| 178 | std::string mName; |
| 179 | ClassQualifier mQualifier; |
| 180 | bool mCreateIfEmpty; |
| 181 | std::vector<std::unique_ptr<ClassMember>> mMembers; |
| 182 | |
| 183 | DISALLOW_COPY_AND_ASSIGN(ClassDefinition); |
| 184 | }; |
| 185 | |
| 186 | } // namespace aapt |
| 187 | |
| 188 | #endif /* AAPT_JAVA_CLASSDEFINITION_H */ |