44 lines
1.1 KiB
44 lines
1.1 KiB
// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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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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#pragma once
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#include <fstream>
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#include <memory>
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#include <string>
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#include "paddle/fluid/recordio/chunk.h"
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namespace paddle {
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namespace recordio {
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class Scanner {
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public:
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explicit Scanner(std::unique_ptr<std::istream>&& stream);
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explicit Scanner(const std::string& filename);
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void Reset();
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std::string Next();
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bool HasNext() const;
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private:
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std::unique_ptr<std::istream> stream_;
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ChunkParser parser_;
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};
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} // namespace recordio
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} // namespace paddle
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