/usr/include/log4cxx/layout.h is in liblog4cxx-dev 0.10.0-13ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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.
*/
#ifndef _LOG4CXX_LAYOUT_H
#define _LOG4CXX_LAYOUT_H
#if defined(_MSC_VER)
#pragma warning ( push )
#pragma warning ( disable: 4231 4251 4275 4786 )
#endif
#include <log4cxx/helpers/objectimpl.h>
#include <log4cxx/helpers/objectptr.h>
#include <log4cxx/spi/optionhandler.h>
#include <log4cxx/spi/loggingevent.h>
namespace log4cxx
{
/**
Extend this abstract class to create your own log layout format.
*/
class LOG4CXX_EXPORT Layout :
public virtual spi::OptionHandler,
public virtual helpers::ObjectImpl
{
public:
DECLARE_ABSTRACT_LOG4CXX_OBJECT(Layout)
BEGIN_LOG4CXX_CAST_MAP()
LOG4CXX_CAST_ENTRY(Layout)
LOG4CXX_CAST_ENTRY(spi::OptionHandler)
END_LOG4CXX_CAST_MAP()
virtual ~Layout();
void addRef() const;
void releaseRef() const;
/**
Implement this method to create your own layout format.
*/
virtual void format(LogString& output,
const spi::LoggingEventPtr& event, log4cxx::helpers::Pool& pool) const = 0;
/**
Returns the content type output by this layout. The base class
returns "text/plain".
*/
virtual LogString getContentType() const;
/**
Append the header for the layout format. The base class does
nothing.
*/
virtual void appendHeader(LogString& output, log4cxx::helpers::Pool& p);
/**
Append the footer for the layout format. The base class does
nothing.
*/
virtual void appendFooter(LogString& output, log4cxx::helpers::Pool& p);
/**
If the layout handles the throwable object contained within
{@link spi::LoggingEvent LoggingEvent}, then the layout should return
<code>false</code>. Otherwise, if the layout ignores throwable
object, then the layout should return <code>true</code>.
<p>The SimpleLayout, TTCCLayout,
PatternLayout all return <code>true</code>. The {@link
xml::XMLLayout XMLLayout} returns <code>false</code>.
*/
virtual bool ignoresThrowable() const = 0;
};
LOG4CXX_PTR_DEF(Layout);
}
#if defined(_MSC_VER)
#pragma warning ( pop )
#endif
#endif // _LOG4CXX_LAYOUT_H
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