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_COMPILE_PSEUDOLOCALIZE_H
18 #define AAPT_COMPILE_PSEUDOLOCALIZE_H
19 
20 #include "ResourceValues.h"
21 #include "StringPool.h"
22 #include "util/StringPiece.h"
23 
24 #include <android-base/macros.h>
25 #include <memory>
26 
27 namespace aapt {
28 
29 class PseudoMethodImpl {
30 public:
~PseudoMethodImpl()31     virtual ~PseudoMethodImpl() {}
start()32     virtual std::u16string start() { return {}; }
end()33     virtual std::u16string end() { return {}; }
34     virtual std::u16string text(const StringPiece16& text) = 0;
35     virtual std::u16string placeholder(const StringPiece16& text) = 0;
36 };
37 
38 class Pseudolocalizer {
39 public:
40     enum class Method {
41         kNone,
42         kAccent,
43         kBidi,
44     };
45 
46     Pseudolocalizer(Method method);
47     void setMethod(Method method);
start()48     std::u16string start() { return mImpl->start(); }
end()49     std::u16string end() { return mImpl->end(); }
50     std::u16string text(const StringPiece16& text);
51 private:
52     std::unique_ptr<PseudoMethodImpl> mImpl;
53     size_t mLastDepth;
54 };
55 
56 } // namespace aapt
57 
58 #endif /* AAPT_COMPILE_PSEUDOLOCALIZE_H */
59