92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef AAPT_TABLEMERGER_H
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#define AAPT_TABLEMERGER_H
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#include "ResourceTable.h"
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#include "ResourceValues.h"
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#include "util/Util.h"
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#include "process/IResourceTableConsumer.h"
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#include <queue>
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#include <set>
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namespace aapt {
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struct FileToMerge {
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ResourceTable* srcTable;
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std::u16string srcPath;
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std::u16string dstPath;
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};
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/**
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* TableMerger takes resource tables and merges all packages within the tables that have the same
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* package ID.
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*
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* If a package has a different name, all the entries in that table have their names mangled
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* to include the package name. This way there are no collisions. In order to do this correctly,
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* the TableMerger needs to also mangle any FileReference paths. Once these are mangled,
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* the original source path of the file, along with the new destination path is recorded in the
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* queue returned from getFileMergeQueue().
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*
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* Once the merging is complete, a separate process can go collect the files from the various
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* source APKs and either copy or process their XML and put them in the correct location in
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* the final APK.
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*/
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class TableMerger {
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public:
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TableMerger(IAaptContext* context, ResourceTable* outTable);
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inline std::queue<FileToMerge>* getFileMergeQueue() {
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return &mFilesToMerge;
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}
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inline const std::set<std::u16string>& getMergedPackages() const {
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return mMergedPackages;
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}
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/**
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* Merges resources from the same or empty package. This is for local sources.
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*/
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bool merge(const Source& src, ResourceTable* table, bool overrideExisting);
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/**
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* Merges resources from the given package, mangling the name. This is for static libraries.
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*/
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bool mergeAndMangle(const Source& src, const StringPiece16& package, ResourceTable* table);
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private:
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IAaptContext* mContext;
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ResourceTable* mMasterTable;
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ResourceTablePackage* mMasterPackage;
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std::set<std::u16string> mMergedPackages;
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std::queue<FileToMerge> mFilesToMerge;
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bool doMerge(const Source& src, ResourceTable* srcTable, ResourceTablePackage* srcPackage,
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const bool manglePackage, const bool overrideExisting);
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std::unique_ptr<Value> cloneAndMangle(ResourceTable* table, const std::u16string& package,
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Value* value);
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std::unique_ptr<Value> clone(Value* value);
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};
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} // namespace aapt
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#endif /* AAPT_TABLEMERGER_H */
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