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388fd1262a
Replace Journal public data members with member function accessors in order to make Journal lighter weight. The change makes a Journal cheaper to pass by value. Also add missing stream checks (e.g., calls to JLOG) to avoid text processing that ultimately will not be stored in the log.
156 lines
3.6 KiB
C++
156 lines
3.6 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <beast/utility/Journal.h>
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#include <cassert>
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namespace beast {
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//------------------------------------------------------------------------------
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// A Sink that does nothing.
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class NullJournalSink : public Journal::Sink
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{
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public:
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NullJournalSink ()
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: Sink (severities::kDisabled, false)
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{ }
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~NullJournalSink() override = default;
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bool active (severities::Severity) const override
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{
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return false;
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}
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bool console() const override
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{
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return false;
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}
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void console (bool) override
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{
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}
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severities::Severity threshold() const override
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{
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return severities::kDisabled;
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}
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void threshold (severities::Severity) override
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{
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}
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void write (severities::Severity, std::string const&) override
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{
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}
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};
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//------------------------------------------------------------------------------
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Journal::Sink& Journal::getNullSink ()
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{
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static NullJournalSink sink;
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return sink;
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}
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//------------------------------------------------------------------------------
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Journal::Sink::Sink (Severity thresh, bool console)
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: thresh_ (thresh)
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, m_console (console)
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{
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}
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Journal::Sink::~Sink ()
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{
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}
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bool Journal::Sink::active (Severity level) const
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{
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return level >= thresh_;
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}
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bool Journal::Sink::console () const
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{
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return m_console;
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}
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void Journal::Sink::console (bool output)
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{
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m_console = output;
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}
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severities::Severity Journal::Sink::threshold () const
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{
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return thresh_;
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}
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void Journal::Sink::threshold (Severity thresh)
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{
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thresh_ = thresh;
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}
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//------------------------------------------------------------------------------
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Journal::ScopedStream::ScopedStream (Sink& sink, Severity level)
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: m_sink (sink)
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, m_level (level)
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{
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// Modifiers applied from all ctors
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m_ostream
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<< std::boolalpha
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<< std::showbase;
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}
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Journal::ScopedStream::ScopedStream (
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Stream const& stream, std::ostream& manip (std::ostream&))
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: ScopedStream (stream.sink(), stream.level())
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{
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m_ostream << manip;
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}
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Journal::ScopedStream::~ScopedStream ()
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{
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std::string const& s (m_ostream.str());
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if (! s.empty ())
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{
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if (s == "\n")
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m_sink.write (m_level, "");
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else
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m_sink.write (m_level, s);
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}
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}
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std::ostream& Journal::ScopedStream::operator<< (std::ostream& manip (std::ostream&)) const
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{
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return m_ostream << manip;
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}
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//------------------------------------------------------------------------------
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Journal::ScopedStream Journal::Stream::operator<< (
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std::ostream& manip (std::ostream&)) const
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{
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return ScopedStream (*this, manip);
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}
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} // beast
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