| /* |
| * Copyright (C) 2015 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. |
| */ |
| |
| #include "io/FileSystem.h" |
| |
| #include "androidfw/StringPiece.h" |
| #include "utils/FileMap.h" |
| |
| #include "Source.h" |
| #include "util/Files.h" |
| #include "util/Maybe.h" |
| #include "util/Util.h" |
| |
| using android::StringPiece; |
| |
| namespace aapt { |
| namespace io { |
| |
| RegularFile::RegularFile(const Source& source) : source_(source) {} |
| |
| std::unique_ptr<IData> RegularFile::OpenAsData() { |
| android::FileMap map; |
| if (Maybe<android::FileMap> map = file::MmapPath(source_.path, nullptr)) { |
| if (map.value().getDataPtr() && map.value().getDataLength() > 0) { |
| return util::make_unique<MmappedData>(std::move(map.value())); |
| } |
| return util::make_unique<EmptyData>(); |
| } |
| return {}; |
| } |
| |
| const Source& RegularFile::GetSource() const { return source_; } |
| |
| FileCollectionIterator::FileCollectionIterator(FileCollection* collection) |
| : current_(collection->files_.begin()), end_(collection->files_.end()) {} |
| |
| bool FileCollectionIterator::HasNext() { return current_ != end_; } |
| |
| IFile* FileCollectionIterator::Next() { |
| IFile* result = current_->second.get(); |
| ++current_; |
| return result; |
| } |
| |
| IFile* FileCollection::InsertFile(const StringPiece& path) { |
| return (files_[path.to_string()] = util::make_unique<RegularFile>(Source(path))).get(); |
| } |
| |
| IFile* FileCollection::FindFile(const StringPiece& path) { |
| auto iter = files_.find(path.to_string()); |
| if (iter != files_.end()) { |
| return iter->second.get(); |
| } |
| return nullptr; |
| } |
| |
| std::unique_ptr<IFileCollectionIterator> FileCollection::Iterator() { |
| return util::make_unique<FileCollectionIterator>(this); |
| } |
| |
| } // namespace io |
| } // namespace aapt |