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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_
#define _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_

#include <rtl/ustring.hxx>
#include <tools/string.hxx>

//............................................................................
namespace pcr
{
//............................................................................

	//============================================================
	//= a helper for static ascii pseudo-unicode strings
	//============================================================
	struct ConstAsciiString
	{
		const sal_Char*	ascii;
		sal_Int32		length;

		inline	operator const ::rtl::OUString& () const;
		inline	operator const sal_Char* () const { return ascii; }

		inline ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength);
		inline ~ConstAsciiString();

	private:
		mutable ::rtl::OUString*	ustring;
	};

	//------------------------------------------------------------
	inline ConstAsciiString::ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength)
		:ascii(_pAsciiZeroTerminated)
		,length(_nLength)
		,ustring(NULL)
	{
	}

	//------------------------------------------------------------
	inline ConstAsciiString::~ConstAsciiString()
	{
		delete ustring;
		ustring = NULL;
	}

	//------------------------------------------------------------
	inline ConstAsciiString::operator const ::rtl::OUString& () const
	{
		if (!ustring)
			ustring = new ::rtl::OUString(ascii, length, RTL_TEXTENCODING_ASCII_US);
		return *ustring;
	}

	//============================================================

#define CONST_ASCII_LENGTH(c)	\
	(const sal_Char*)c, c.length()

	//============================================================
	//= concrete strings
	//============================================================
	#ifndef PCR_IMPLEMENT_STRINGS
	#define PCR_CONSTASCII_STRING(ident, string) extern const ConstAsciiString ident
	#else
	#define PCR_CONSTASCII_STRING(ident, string) extern const ConstAsciiString ident(string, sizeof(string)-1)
	#endif

//............................................................................
} // namespace pcr
//............................................................................

#endif // _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_