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#pragma clang system_header
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#pragma once
#include <cstdint>
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/io/interfaces.h"
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/util/visibility.h"
namespace arrow20 {
namespace io {
// Output stream that just writes to stdout.
class ARROW_EXPORT StdoutStream : public OutputStream {
public:
StdoutStream();
~StdoutStream() override {}
Status Close() override;
bool closed() const override;
Result<int64_t> Tell() const override;
Status Write(const void* data, int64_t nbytes) override;
private:
int64_t pos_;
};
// Output stream that just writes to stderr.
class ARROW_EXPORT StderrStream : public OutputStream {
public:
StderrStream();
~StderrStream() override {}
Status Close() override;
bool closed() const override;
Result<int64_t> Tell() const override;
Status Write(const void* data, int64_t nbytes) override;
private:
int64_t pos_;
};
// Input stream that just reads from stdin.
class ARROW_EXPORT StdinStream : public InputStream {
public:
StdinStream();
~StdinStream() override {}
Status Close() override;
bool closed() const override;
Result<int64_t> Tell() const override;
Result<int64_t> Read(int64_t nbytes, void* out) override;
Result<std::shared_ptr<Buffer>> Read(int64_t nbytes) override;
private:
int64_t pos_;
};
} // namespace io
} // namespace arrow20
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