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/*
* 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
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