| /*************************************************************************** |
| transform.cpp - class Transform |
| ------------------- |
| begin : sam mai 17 2003 |
| copyright : (C) 2003 by Michael CATANZARITI |
| email : mcatan@free.fr |
| ***************************************************************************/ |
| |
| /*************************************************************************** |
| * Copyright (C) The Apache Software Foundation. All rights reserved. * |
| * * |
| * This software is published under the terms of the Apache Software * |
| * License version 1.1, a copy of which has been included with this * |
| * distribution in the LICENSE.txt file. * |
| ***************************************************************************/ |
| |
| #include <log4cxx/helpers/transform.h> |
| |
| using namespace log4cxx::helpers; |
| |
| tstring Transform::CDATA_START = _T("<![CDATA["); |
| tstring Transform::CDATA_END = _T("]]>"); |
| tstring Transform::CDATA_PSEUDO_END = _T("]]>"); |
| tstring Transform::CDATA_EMBEDED_END = CDATA_END + CDATA_PSEUDO_END + CDATA_START; |
| int Transform::CDATA_END_LEN = CDATA_END.length(); |
| |
| |
| void Transform::appendEscapingTags( |
| tostream& buf, const tstring& input) |
| { |
| //Check if the string is zero length -- if so, return |
| //what was sent in. |
| |
| if(input.length() == 0 ) |
| { |
| return; |
| } |
| |
| tstring::const_iterator it = input.begin(); |
| tstring::const_iterator itEnd = input.end(); |
| TCHAR ch; |
| while(it != itEnd) |
| { |
| ch = *it++; |
| if(ch == _T('<')) |
| { |
| buf << _T("<"); |
| } |
| else if(ch == _T('>')) |
| { |
| buf << _T(">"); |
| } |
| else |
| { |
| buf << ch; |
| } |
| } |
| } |
| |
| void Transform::appendEscapingCDATA( |
| tostream& buf, const tstring& input) |
| { |
| if(input.length() == 0 ) |
| { |
| return; |
| } |
| |
| int end = input.find(CDATA_END); |
| if (end == tstring::npos) |
| { |
| buf << input; |
| return; |
| } |
| |
| int start = 0; |
| while (end != tstring::npos) |
| { |
| buf << input.substr(start, end-start); |
| buf << CDATA_EMBEDED_END; |
| start = end + CDATA_END_LEN; |
| if (start < input.length()) |
| { |
| end = input.find(CDATA_END, start); |
| } |
| else |
| { |
| return; |
| } |
| } |
| |
| buf << input.substr(start); |
| } |
| |