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6512b8894a
A new directory extras/ is added, and code not part of the official public Beast interface is moved there.
86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
//
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// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BEAST_UNIT_TEST_BASIC_ABSTRACT_OSTREAM_HPP
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#define BEAST_UNIT_TEST_BASIC_ABSTRACT_OSTREAM_HPP
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#include <beast/unit_test/basic_scoped_ostream.hpp>
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#include <functional>
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#include <memory>
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#include <sstream>
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namespace beast {
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/** Abstraction for an output stream similar to std::basic_ostream. */
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template <
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class CharT,
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class Traits = std::char_traits <CharT>
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>
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class basic_abstract_ostream
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{
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public:
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using string_type = std::basic_string <CharT, Traits>;
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using scoped_stream_type = basic_scoped_ostream <CharT, Traits>;
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basic_abstract_ostream() = default;
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virtual
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~basic_abstract_ostream() = default;
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basic_abstract_ostream (basic_abstract_ostream const&) = default;
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basic_abstract_ostream& operator= (
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basic_abstract_ostream const&) = default;
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/** Returns `true` if the stream is active.
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Inactive streams do not produce output.
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*/
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/** @{ */
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virtual
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bool
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active() const
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{
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return true;
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}
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explicit
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operator bool() const
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{
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return active();
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}
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/** @} */
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/** Called to output each string. */
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virtual
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void
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write (string_type const& s) = 0;
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scoped_stream_type
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operator<< (std::ostream& manip (std::ostream&))
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{
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return scoped_stream_type (manip,
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[this](string_type const& s)
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{
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this->write (s);
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});
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}
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template <class T>
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scoped_stream_type
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operator<< (T const& t)
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{
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return scoped_stream_type (t,
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[this](string_type const& s)
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{
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this->write (s);
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});
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}
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};
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} // beast
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#endif
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