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48 lines
1.3 KiB
48 lines
1.3 KiB
/*
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* Copyright (C) 2016 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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#include "io/File.h"
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#include <memory>
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namespace aapt {
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namespace io {
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IFile* IFile::CreateFileSegment(size_t offset, size_t len) {
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FileSegment* file_segment = new FileSegment(this, offset, len);
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segments_.push_back(std::unique_ptr<IFile>(file_segment));
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return file_segment;
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}
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std::unique_ptr<IData> FileSegment::OpenAsData() {
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std::unique_ptr<IData> data = file_->OpenAsData();
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if (!data) {
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return {};
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}
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if (offset_ <= data->size() - len_) {
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return util::make_unique<DataSegment>(std::move(data), offset_, len_);
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}
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return {};
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}
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std::unique_ptr<io::InputStream> FileSegment::OpenInputStream() {
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return OpenAsData();
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}
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} // namespace io
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} // namespace aapt
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