mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#pragma once
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#include "td/utils/buffer.h"
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namespace vm {
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class BlobView {
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public:
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virtual ~BlobView() = default;
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td::Result<td::Slice> view(td::MutableSlice slice, td::uint64 offset);
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virtual td::uint64 size() = 0;
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private:
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virtual td::Result<td::Slice> view_impl(td::MutableSlice slice, td::uint64 offset) = 0;
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};
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class BufferSliceBlobView {
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public:
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static std::unique_ptr<BlobView> create(td::BufferSlice slice);
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};
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class FileBlobView {
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public:
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static td::Result<std::unique_ptr<BlobView>> create(td::CSlice file_path, td::uint64 file_size = 0);
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};
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class FileMemoryMappingBlobView {
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public:
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static td::Result<std::unique_ptr<BlobView>> create(td::CSlice file_path, td::uint64 file_size = 0);
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};
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} // namespace vm
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