d5083f6f6b
libandroidfw needs to make use of StringPiece, so move it to libandroidfw and update all code referencing StringPiece in aapt2. Test: make libandroidfw_tests libaapt2_tests Change-Id: I68d7f0fc7c651b048d9d1f5e7971f10ef5349fa1
144 lines
4.7 KiB
C++
144 lines
4.7 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 <functional>
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#include <map>
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#include "android-base/macros.h"
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#include "Resource.h"
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#include "ResourceTable.h"
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#include "ResourceValues.h"
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#include "filter/ConfigFilter.h"
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#include "io/File.h"
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#include "process/IResourceTableConsumer.h"
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#include "util/Util.h"
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namespace aapt {
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struct TableMergerOptions {
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/**
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* If true, resources in overlays can be added without previously having
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* existed.
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*/
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bool auto_add_overlay = false;
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};
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/**
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* TableMerger takes resource tables and merges all packages within the tables
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* 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
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* names mangled
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* to include the package name. This way there are no collisions. In order to do
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* this correctly,
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* the TableMerger needs to also mangle any FileReference paths. Once these are
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* mangled,
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* the original source path of the file, along with the new destination path is
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* 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
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* from the various
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* source APKs and either copy or process their XML and put them in the correct
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* 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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/**
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* Note: The out_table ResourceTable must live longer than this TableMerger.
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* References are made to this ResourceTable for efficiency reasons.
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*/
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TableMerger(IAaptContext* context, ResourceTable* out_table,
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const TableMergerOptions& options);
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const std::set<std::string>& merged_packages() const {
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return merged_packages_;
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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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* An io::IFileCollection is optional and used to find the referenced Files
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* and process them.
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*/
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bool Merge(const Source& src, ResourceTable* table,
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io::IFileCollection* collection = nullptr);
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/**
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* Merges resources from an overlay ResourceTable.
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* An io::IFileCollection is optional and used to find the referenced Files
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* and process them.
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*/
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bool MergeOverlay(const Source& src, ResourceTable* table,
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io::IFileCollection* collection = nullptr);
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/**
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* Merges resources from the given package, mangling the name. This is for
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* static libraries.
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* An io::IFileCollection is needed in order to find the referenced Files and
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* process them.
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*/
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bool MergeAndMangle(const Source& src, const android::StringPiece& package, ResourceTable* table,
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io::IFileCollection* collection);
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/**
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* Merges a compiled file that belongs to this same or empty package. This is
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* for local sources.
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*/
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bool MergeFile(const ResourceFile& fileDesc, io::IFile* file);
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/**
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* Merges a compiled file from an overlay, overriding an existing definition.
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*/
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bool MergeFileOverlay(const ResourceFile& fileDesc, io::IFile* file);
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private:
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DISALLOW_COPY_AND_ASSIGN(TableMerger);
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using FileMergeCallback = std::function<bool(const ResourceNameRef&,
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const ConfigDescription& config,
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FileReference*, FileReference*)>;
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IAaptContext* context_;
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ResourceTable* master_table_;
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TableMergerOptions options_;
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ResourceTablePackage* master_package_;
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std::set<std::string> merged_packages_;
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bool MergeFileImpl(const ResourceFile& file_desc, io::IFile* file,
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bool overlay);
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bool MergeImpl(const Source& src, ResourceTable* src_table,
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io::IFileCollection* collection, bool overlay, bool allow_new);
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bool DoMerge(const Source& src, ResourceTable* src_table,
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ResourceTablePackage* src_package, const bool mangle_package,
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const bool overlay, const bool allow_new_resources,
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const FileMergeCallback& callback);
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std::unique_ptr<FileReference> CloneAndMangleFile(const std::string& package,
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const FileReference& value);
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};
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} // namespace aapt
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#endif /* AAPT_TABLEMERGER_H */
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