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
25using namespace android;
26using AaptUtil::appendValue;
27
28namespace split {
29
30Vector<SortedVector<SplitDescription> >
31groupByMutualExclusivity(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