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      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> >
     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     KeyedVector<SplitDescription, SortedVector<SplitDescription> > localeGroups;
     38     const size_t splitCount = splits.size();
     39     for (size_t i = 0; i < splitCount; i++) {
     40         const SplitDescription& split = splits[i];
     41         if (split.config.density != 0) {
     42             SplitDescription key(split);
     43             key.config.density = 0;
     44             key.config.sdkVersion = 0; // Ignore density so we can support anydpi.
     45             appendValue(densityGroups, key, split);
     46         } else if (split.abi != abi::Variant_none) {
     47             SplitDescription key(split);
     48             key.abi = abi::Variant_none;
     49             appendValue(abiGroups, key, split);
     50         } else if (split.config.locale != 0) {
     51             SplitDescription key(split);
     52             key.config.clearLocale();
     53             appendValue(localeGroups, key, split);
     54         } else {
     55             groups.add();
     56             groups.editTop().add(split);
     57         }
     58     }
     59 
     60     const size_t densityCount = densityGroups.size();
     61     for (size_t i = 0; i < densityCount; i++) {
     62         groups.add(densityGroups[i]);
     63     }
     64 
     65     const size_t abiCount = abiGroups.size();
     66     for (size_t i = 0; i < abiCount; i++) {
     67         groups.add(abiGroups[i]);
     68     }
     69 
     70     const size_t localeCount = localeGroups.size();
     71     for (size_t i = 0; i < localeCount; i++) {
     72         groups.add(localeGroups[i]);
     73     }
     74     return groups;
     75 }
     76 
     77 } // namespace split
     78