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_CLASS_GENERATOR_H
18 #define AAPT_JAVA_CLASS_GENERATOR_H
19
20 #include "ResourceTable.h"
21 #include "ResourceValues.h"
22
23 #include <ostream>
24 #include <string>
25
26 namespace aapt {
27
28 /*
29 * Generates the R.java file for a resource table.
30 */
31 class JavaClassGenerator : ConstValueVisitor {
32 public:
33 /*
34 * A set of options for this JavaClassGenerator.
35 */
36 struct Options {
37 /*
38 * Specifies whether to use the 'final' modifier
39 * on resource entries. Default is true.
40 */
41 bool useFinal = true;
42 };
43
44 JavaClassGenerator(const std::shared_ptr<const ResourceTable>& table, Options options);
45
46 /*
47 * Writes the R.java file to `out`. Only symbols belonging to `package` are written.
48 * All symbols technically belong to a single package, but linked libraries will
49 * have their names mangled, denoting that they came from a different package.
50 * We need to generate these symbols in a separate file.
51 * Returns true on success.
52 */
53 bool generate(const std::u16string& package, std::ostream& out);
54
55 /*
56 * ConstValueVisitor implementation.
57 */
58 void visit(const Styleable& styleable, ValueVisitorArgs& args);
59
60 const std::string& getError() const;
61
62 private:
63 bool generateType(const std::u16string& package, size_t packageId,
64 const ResourceTableType& type, std::ostream& out);
65
66 std::shared_ptr<const ResourceTable> mTable;
67 Options mOptions;
68 std::string mError;
69 };
70
getError()71 inline const std::string& JavaClassGenerator::getError() const {
72 return mError;
73 }
74
75 } // namespace aapt
76
77 #endif // AAPT_JAVA_CLASS_GENERATOR_H
78