xmlstring.h

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//
// XMLString.h
//
// $Id: //poco/Main/XML/include/XML/XMLString.h#5 $
//
// Definition of the XMLString class.
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
// 
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#ifndef XML_XMLString_INCLUDED
#define XML_XMLString_INCLUDED


#ifndef XML_XML_INCLUDED
#include "XML/XML.h"
#endif


XML_BEGIN


//
// The XML parser uses the string classes provided by the C++
// standard library (based on the basic_string<> template).
// In Unicode mode, a std::wstring is used, otherwise
// a std::string is used.
// To turn on Unicode mode, #define XML_UNICODE and
// XML_UNICODE_WCHAR_T when compiling the library.
//
// XML_UNICODE  XML_UNICODE_WCHAR_T  XMLChar    XMLString
// --------------------------------------------------------------
//     N                 N           char       std::string
//     N                 Y           wchar_t    std::wstring
//     Y                 Y           wchar_t    std::wstring
//     Y                 N           <not supported>
//
#if defined(XML_UNICODE_WCHAR_T)

	// Unicode - use wchar_t
	typedef wchar_t      XMLChar;
	typedef std::wstring XMLString;

	std::string fromXMLString(const XMLString& str);
		/// Converts an XMLString into an UTF-8 encoded
		/// string.
		
	XMLString toXMLString(const std::string& str);
		/// Converts an UTF-8 encoded string into an
		/// XMLString

#elif defined(XML_UNICODE)

	// not supported - leave XMLString undefined

#else

	// Characters are UTF-8 encoded
	typedef char        XMLChar;
	typedef std::string XMLString;

	inline const std::string& fromXMLString(const XMLString& str)
	{
		return str;
	}

	inline const XMLString& toXMLString(const std::string& str)
	{
		return str;
	}

#endif


XML_END


#endif // XML_XMLString_INCLUDED