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_TABLE_FLATTENER_H
18 #define AAPT_TABLE_FLATTENER_H
19 
20 #include "BigBuffer.h"
21 #include "ResourceTable.h"
22 
23 namespace aapt {
24 
25 using SymbolEntryVector = std::vector<std::pair<ResourceNameRef, uint32_t>>;
26 
27 struct FlatEntry;
28 
29 /**
30  * Flattens a ResourceTable into a binary format suitable
31  * for loading into a ResTable on the host or device.
32  */
33 struct TableFlattener {
34     /**
35      * A set of options for this TableFlattener.
36      */
37     struct Options {
38         /**
39          * Specifies whether to output extended chunks, like
40          * source information and mising symbol entries. Default
41          * is true.
42          *
43          * Set this to false when emitting the final table to be used
44          * on device.
45          */
46         bool useExtendedChunks = true;
47     };
48 
49     TableFlattener(Options options);
50 
51     bool flatten(BigBuffer* out, const ResourceTable& table);
52 
53 private:
54     bool flattenValue(BigBuffer* out, const FlatEntry& flatEntry, SymbolEntryVector* symbols);
55 
56     Options mOptions;
57 };
58 
59 } // namespace aapt
60 
61 #endif // AAPT_TABLE_FLATTENER_H
62