Files
2022-10-26 12:25:11 +08:00

69 lines
2.1 KiB
C++

/*
* Copyright 2003,2004 The Apache Software Foundation.
*
* Licensed 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_TRANSFORM_H
#define _LOG4CXX_HELPERS_TRANSFORM_H
#include <log4cxx/helpers/tchar.h>
namespace log4cxx
{
namespace helpers
{
/**
Utility class for transforming strings.
*/
class LOG4CXX_EXPORT Transform
{
private:
static String CDATA_START;
static String CDATA_END;
static String CDATA_PSEUDO_END;
static String CDATA_EMBEDED_END;
static String::size_type CDATA_END_LEN;
public:
/**
* This method takes a string which may contain HTML tags (ie,
* &lt;b&gt;, &lt;table&gt;, etc) and replaces any '<' and '>'
* characters with respective predefined entity references.
*
* @param buf output stream where to write the modified string.
* @param input The text to be converted.
* @return The input string with the characters '<' and '>' replaced with
* &amp;lt; and &amp;gt; respectively.
* */
static void appendEscapingTags(
ostream& buf, const String& input);
/**
* Ensures that embeded CDEnd strings (]]>) are handled properly
* within message, NDC and throwable tag text.
*
* @param buf output stream holding the XML data to this point. The
* initial CDStart (<![CDATA[) and final CDEnd (]]>) of the CDATA
* section are the responsibility of the calling method.
* @param input The String that is inserted into an existing CDATA
* Section within buf.
*/
static void appendEscapingCDATA(
ostream& buf, const String& input);
}; // class Transform
} // namespace helpers
}; //namespace log4cxx
#endif // _LOG4CXX_HELPERS_TRANSFORM_H