/usr/include/log4cxx/pattern/patternconverter.h is in liblog4cxx-dev 0.10.0-10ubuntu1.
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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_PATTERN_PATTERN_CONVERTER_H
#define _LOG4CXX_PATTERN_PATTERN_CONVERTER_H
#include <log4cxx/helpers/objectimpl.h>
#include <log4cxx/logstring.h>
#include <vector>
#ifdef _MSC_VER
// disable identifier too wide for debugging warning
#pragma warning ( disable: 4231 4251 4275 4786 )
#endif
#define DECLARE_LOG4CXX_PATTERN(cls) DECLARE_ABSTRACT_LOG4CXX_OBJECT(cls)
namespace log4cxx {
namespace pattern {
typedef std::vector<LogString> OptionsList;
/**
<p>PatternConverter is an abstract class that provides the
formatting functionality that derived classes need.
<p>Conversion specifiers in a conversion patterns are parsed to
individual PatternConverters. Each of which is responsible for
converting an object in a converter specific manner.
*/
class LOG4CXX_EXPORT PatternConverter : public virtual log4cxx::helpers::ObjectImpl {
/**
* Converter name.
*/
const LogString name;
/**
* Converter style name.
*/
const LogString style;
protected:
/**
* Create a new pattern converter.
* @param name name for pattern converter.
* @param style CSS style for formatted output.
*/
PatternConverter(const LogString& name,
const LogString& style);
virtual ~PatternConverter();
public:
DECLARE_LOG4CXX_PATTERN(PatternConverter)
BEGIN_LOG4CXX_CAST_MAP()
LOG4CXX_CAST_ENTRY(PatternConverter)
END_LOG4CXX_CAST_MAP()
/**
* Formats an object into a string buffer.
* @param obj event to format, may not be null.
* @param toAppendTo string buffer to which the formatted event will be appended. May not be null.
* @param p pool for any allocations necessary during formatting.
*/
virtual void format(const log4cxx::helpers::ObjectPtr& obj,
LogString& toAppendTo,
log4cxx::helpers::Pool& p) const = 0;
/**
* This method returns the name of the conversion pattern.
*
* The name can be useful to certain Layouts such as HTMLLayout.
*
* @return the name of the conversion pattern
*/
LogString getName() const;
/**
* This method returns the CSS style class that should be applied to
* the LoggingEvent passed as parameter, which can be null.
*
* This information is currently used only by HTMLLayout.
*
* @param e null values are accepted
* @return the name of the conversion pattern
*/
virtual LogString getStyleClass(const log4cxx::helpers::ObjectPtr& e) const;
protected:
/**
* Appends content in the locale code page to a LogString.
* @param toAppendTo string to which content is appended.
* @param src content.
*/
static void append(LogString& toAppendTo, const std::string& src);
};
LOG4CXX_PTR_DEF(PatternConverter);
}
}
#endif
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