/usr/include/log4cxx/helpers/charsetdecoder.h is in liblog4cxx-dev 0.10.0-10ubuntu1.
This file is owned by root:root, with mode 0o644.
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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_HELPERS_CHARSETDECODER_H
#define _LOG4CXX_HELPERS_CHARSETDECODER_H
#include <log4cxx/helpers/objectimpl.h>
namespace log4cxx
{
namespace helpers {
class CharsetDecoder;
LOG4CXX_PTR_DEF(CharsetDecoder);
class ByteBuffer;
/**
* An abstract engine to transform a sequences of bytes in a specific charset
* into a LogString.
*/
class LOG4CXX_EXPORT CharsetDecoder : public ObjectImpl
{
public:
DECLARE_ABSTRACT_LOG4CXX_OBJECT(CharsetDecoder)
BEGIN_LOG4CXX_CAST_MAP()
LOG4CXX_CAST_ENTRY(CharsetDecoder)
END_LOG4CXX_CAST_MAP()
protected:
/**
* Protected constructor.
*/
CharsetDecoder();
public:
/**
* Destructor.
*/
virtual ~CharsetDecoder();
/**
* Get decoder for default charset.
*/
static CharsetDecoderPtr getDefaultDecoder();
/**
* Get decoder for specified character set.
* @param charset the following values should be recognized:
* "US-ASCII", "ISO-8859-1", "UTF-8",
* "UTF-16BE", "UTF-16LE".
* @return decoder
* @throws IllegalArgumentException if charset is not recognized.
*/
static CharsetDecoderPtr getDecoder(const LogString& charset);
/**
* Get decoder for UTF-8.
*/
static CharsetDecoderPtr getUTF8Decoder();
/**
* Get decoder for ISO-8859-1.
*/
static CharsetDecoderPtr getISOLatinDecoder();
/**
* Decodes as many bytes as possible from the given
* input buffer, writing the results to the given output string.
* @param in input buffer.
* @param out output string.
* @return APR_SUCCESS if not encoding errors were found.
*/
virtual log4cxx_status_t decode(ByteBuffer& in,
LogString& out) = 0;
/**
* Determins if status value indicates an invalid byte sequence.
*/
inline static bool isError(log4cxx_status_t stat) {
return (stat != 0);
}
private:
/**
* Private copy constructor.
*/
CharsetDecoder(const CharsetDecoder&);
/**
* Private assignment operator.
*/
CharsetDecoder& operator=(const CharsetDecoder&);
/**
* Creates a new decoder for the default charset.
*/
static CharsetDecoder* createDefaultDecoder();
};
} // namespace helpers
} //namespace log4cxx
#endif //_LOG4CXX_HELPERS_CHARSETENCODER_H
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