1 /*
2  * Copyright (C) 2014 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 "Grouper.h"
18 
19 #include "aapt/AaptUtil.h"
20 #include "SplitDescription.h"
21 
22 #include <utils/KeyedVector.h>
23 #include <utils/Vector.h>
24 
25 using namespace android;
26 using AaptUtil::appendValue;
27 
28 namespace split {
29 
30 Vector<SortedVector<SplitDescription> >
groupByMutualExclusivity(const Vector<SplitDescription> & splits)31 groupByMutualExclusivity(const Vector<SplitDescription>& splits) {
32     Vector<SortedVector<SplitDescription> > groups;
33 
34     // Find mutually exclusive splits and group them.
35     KeyedVector<SplitDescription, SortedVector<SplitDescription> > densityGroups;
36     KeyedVector<SplitDescription, SortedVector<SplitDescription> > abiGroups;
37     const size_t splitCount = splits.size();
38     for (size_t i = 0; i < splitCount; i++) {
39         const SplitDescription& split = splits[i];
40         if (split.config.density != 0) {
41             SplitDescription key(split);
42             key.config.density = 0;
43             key.config.sdkVersion = 0; // Ignore density so we can support anydpi.
44             appendValue(densityGroups, key, split);
45         } else if (split.abi != abi::Variant_none) {
46             SplitDescription key(split);
47             key.abi = abi::Variant_none;
48             appendValue(abiGroups, key, split);
49         } else {
50             groups.add();
51             groups.editTop().add(split);
52         }
53     }
54 
55     const size_t densityCount = densityGroups.size();
56     for (size_t i = 0; i < densityCount; i++) {
57         groups.add(densityGroups[i]);
58     }
59 
60     const size_t abiCount = abiGroups.size();
61     for (size_t i = 0; i < abiCount; i++) {
62         groups.add(abiGroups[i]);
63     }
64 
65     return groups;
66 }
67 
68 } // namespace split
69