a6fe345be9
Supports the <add-resource> tag and mimics old AAPT behavior of not allowing new resources defined unless <add-resource> was used or --auto-add-overlay was specified. Change-Id: I9b461137357617ade37fd7045b418b8e6450b9c4
145 lines
4.8 KiB
C++
145 lines
4.8 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 "Resource.h"
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#include "ResourceTable.h"
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#include "ResourceValues.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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#include <functional>
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#include <map>
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namespace aapt {
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struct FileToMerge {
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/**
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* The compiled file from which to read the data.
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*/
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io::IFile* file;
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/**
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* Where the original, uncompiled file came from.
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*/
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Source originalSource;
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/**
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* The destination path within the APK/archive.
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*/
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std::string dstPath;
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};
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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 existed.
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*/
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bool autoAddOverlay = false;
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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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/**
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* Note: The outTable ResourceTable must live longer than this TableMerger. References
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* are made to this ResourceTable for efficiency reasons.
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*/
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TableMerger(IAaptContext* context, ResourceTable* outTable, const TableMergerOptions& options);
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const std::map<ResourceKeyRef, FileToMerge>& getFilesToMerge() {
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return mFilesToMerge;
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}
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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);
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/**
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* Merges resources from an overlay ResourceTable.
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*/
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bool mergeOverlay(const Source& src, ResourceTable* table);
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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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* An io::IFileCollection is needed in order to find the referenced Files and process them.
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*/
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bool mergeAndMangle(const Source& src, const StringPiece16& 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 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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using FileMergeCallback = std::function<bool(const ResourceNameRef&,
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const ConfigDescription& config,
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FileReference*,
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FileReference*)>;
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IAaptContext* mContext;
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ResourceTable* mMasterTable;
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TableMergerOptions mOptions;
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ResourceTablePackage* mMasterPackage;
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std::set<std::u16string> mMergedPackages;
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std::map<ResourceKeyRef, FileToMerge> mFilesToMerge;
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bool mergeFileImpl(const ResourceFile& fileDesc, io::IFile* file, bool overlay);
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bool mergeImpl(const Source& src, ResourceTable* srcTable,
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bool overlay, bool allowNew);
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bool doMerge(const Source& src, ResourceTable* srcTable, ResourceTablePackage* srcPackage,
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const bool manglePackage,
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const bool overlay,
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const bool allowNewResources,
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FileMergeCallback callback);
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std::unique_ptr<FileReference> cloneAndMangleFile(const std::u16string& 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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