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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef AAPT_LOADEDAPK_H
#define AAPT_LOADEDAPK_H
#include "androidfw/StringPiece.h"
#include "ResourceTable.h"
#include "filter/Filter.h"
#include "format/Archive.h"
#include "format/binary/BinaryResourceParser.h"
#include "format/binary/TableFlattener.h"
#include "io/ZipArchive.h"
#include "xml/XmlDom.h"
namespace aapt {
constexpr static const char kApkResourceTablePath[] = "resources.arsc";
constexpr static const char kProtoResourceTablePath[] = "resources.pb";
constexpr static const char kAndroidManifestPath[] = "AndroidManifest.xml";
enum ApkFormat {
kUnknown,
kBinary,
kProto,
};
// Info about an APK loaded in memory.
class LoadedApk {
public:
virtual ~LoadedApk() = default;
// Loads both binary and proto APKs from disk.
static std::unique_ptr<LoadedApk> LoadApkFromPath(const ::android::StringPiece& path,
IDiagnostics* diag);
// Loads a proto APK from the given file collection.
static std::unique_ptr<LoadedApk> LoadProtoApkFromFileCollection(
const Source& source, std::unique_ptr<io::IFileCollection> collection, IDiagnostics* diag);
// Loads a binary APK from the given file collection.
static std::unique_ptr<LoadedApk> LoadBinaryApkFromFileCollection(
const Source& source, std::unique_ptr<io::IFileCollection> collection, IDiagnostics* diag);
LoadedApk(const Source& source, std::unique_ptr<io::IFileCollection> apk,
std::unique_ptr<ResourceTable> table, std::unique_ptr<xml::XmlResource> manifest,
const ApkFormat& format)
: source_(source),
apk_(std::move(apk)),
table_(std::move(table)),
manifest_(std::move(manifest)),
format_(format) {
}
io::IFileCollection* GetFileCollection() {
return apk_.get();
}
ApkFormat GetApkFormat() {
return format_;
}
const ResourceTable* GetResourceTable() const {
return table_.get();
}
ResourceTable* GetResourceTable() {
return table_.get();
}
const Source& GetSource() {
return source_;
}
const xml::XmlResource* GetManifest() const {
return manifest_.get();
}
/**
* Writes the APK on disk at the given path, while also removing the resource
* files that are not referenced in the resource table.
*/
virtual bool WriteToArchive(IAaptContext* context, const TableFlattenerOptions& options,
IArchiveWriter* writer);
/**
* Writes the APK on disk at the given path, while also removing the resource files that are not
* referenced in the resource table. The provided filter chain is applied to each entry in the APK
* file.
*
* If the manifest is also provided, it will be written to the new APK file, otherwise the
* original manifest will be written. The manifest is only required if the contents of the new APK
* have been modified in a way that require the AndroidManifest.xml to also be modified.
*/
virtual bool WriteToArchive(IAaptContext* context, ResourceTable* split_table,
const TableFlattenerOptions& options, FilterChain* filters,
IArchiveWriter* writer, xml::XmlResource* manifest = nullptr);
/** Loads the file as an xml document. */
std::unique_ptr<xml::XmlResource> LoadXml(const std::string& file_path, IDiagnostics* diag) const;
private:
DISALLOW_COPY_AND_ASSIGN(LoadedApk);
Source source_;
std::unique_ptr<io::IFileCollection> apk_;
std::unique_ptr<ResourceTable> table_;
std::unique_ptr<xml::XmlResource> manifest_;
ApkFormat format_;
};
} // namespace aapt
#endif /* AAPT_LOADEDAPK_H */