/*

 * 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.

 */

#include <log4cxx/logstring.h>

#include <log4cxx/pattern/messagepatternconverter.h>

#include <log4cxx/spi/loggingevent.h>

#include <log4cxx/spi/location/locationinfo.h>

using namespace LOG4CXX_NS;

using namespace LOG4CXX_NS::pattern;

IMPLEMENT_LOG4CXX_OBJECT(MessagePatternConverter)

namespace {

/**

 * Formats the message of an logging event for a quoted context

  */

class QuotedMessagePatternConverter : public LoggingEventPatternConverter

{

  logchar m_quote;

  public:

    QuotedMessagePatternConverter(logchar quote)

      : LoggingEventPatternConverter(LOG4CXX_STR("Message"), LOG4CXX_STR("quoted"))

      , m_quote(quote)

      {}

    using LoggingEventPatternConverter::format;

    // Duplicate any quote character in the event message

    void format( LOG4CXX_FORMAT_EVENT_FORMAL_PARAMETERS ) const override

    {

      auto& input = event->getRenderedMessage();

      size_t endIndex, startIndex = 0;

      while ((endIndex = input.find(m_quote, startIndex)) != input.npos)

      {

        toAppendTo.append(input.substr(startIndex, endIndex - startIndex + 1));

        toAppendTo += m_quote;

        startIndex = endIndex + 1;

      }

      toAppendTo.append(input.substr(startIndex));

    }

};

}

MessagePatternConverter::MessagePatternConverter()

  : LoggingEventPatternConverter(LOG4CXX_STR("Message")

  , LOG4CXX_STR("message"))

{

}

Unexecuted instantiation: log4cxx::pattern::MessagePatternConverter::MessagePatternConverter()

log4cxx::pattern::MessagePatternConverter::MessagePatternConverter()

Line

Count

Source

61

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  : LoggingEventPatternConverter(LOG4CXX_STR("Message")

62

20.6k

  , LOG4CXX_STR("message"))

63

20.6k

{

64

20.6k

}

PatternConverterPtr MessagePatternConverter::newInstance(

  const std::vector<LogString>& options)

{

  if (options.empty() || options.front().empty())

  {

    return std::make_shared<MessagePatternConverter>();

  }

  return std::make_shared<QuotedMessagePatternConverter>(options.front().front());

}

void MessagePatternConverter::format( LOG4CXX_FORMAT_EVENT_FORMAL_PARAMETERS ) const

{

  auto& msg = event->getRenderedMessage();

  auto& info = getFormattingInfo();

  if (info.getMaxLength() < msg.length())

    toAppendTo.append(&msg[msg.length() - info.getMaxLength()], info.getMaxLength());

  else

    toAppendTo.append(msg);

}