/**************************************************************
 * 
 * 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
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 *************************************************************/


#ifndef _UCB_REGEXPMAP_HXX_
#define _UCB_REGEXPMAP_HXX_

#include <rtl/ustring.hxx>
#include <sal/types.h>

namespace ucb_impl {

template< typename Val > class RegexpMap;
template< typename Val > class RegexpMapIter;

//============================================================================
template< typename Val >
class RegexpMapEntry
{
public:
	inline RegexpMapEntry(rtl::OUString const & rTheRegexp,
						  Val * pTheValue):
		m_aRegexp(rTheRegexp), m_pValue(pTheValue) {}

	rtl::OUString getRegexp() const { return m_aRegexp; }

	Val const & getValue() const { return *m_pValue; }

	Val & getValue() { return *m_pValue; }

private:
	rtl::OUString m_aRegexp;
	Val * m_pValue;
};

//============================================================================
template< typename Val > class RegexpMapIterImpl;
	// MSC doesn't like this to be a private RegexpMapConstIter member
	// class...

template< typename Val >
class RegexpMapConstIter
{
	friend class RegexpMap< Val >; // to access m_pImpl, ctor
	friend class RegexpMapIter< Val >; // to access m_pImpl, ctor

public:
	RegexpMapConstIter();

	RegexpMapConstIter(RegexpMapConstIter const & rOther);

	~RegexpMapConstIter();

	RegexpMapConstIter & operator =(RegexpMapConstIter const & rOther);

	RegexpMapConstIter & operator ++();

	RegexpMapConstIter operator ++(int);

	RegexpMapEntry< Val > const & operator *() const;

	RegexpMapEntry< Val > const * operator ->() const;

	bool equals(RegexpMapConstIter const & rOther) const;
		// for free operator ==(), operator !=()

private:
	RegexpMapIterImpl< Val > * m_pImpl;

	RegexpMapConstIter(RegexpMapIterImpl< Val > * pTheImpl);
};

//============================================================================
template< typename Val >
class RegexpMapIter: public RegexpMapConstIter< Val >
{
	friend class RegexpMap< Val >; // to access ctor

public:
	RegexpMapIter() {}

	RegexpMapIter & operator ++();

	RegexpMapIter operator ++(int);

	RegexpMapEntry< Val > & operator *();

	RegexpMapEntry< Val > const & operator *() const;

	RegexpMapEntry< Val > * operator ->();

	RegexpMapEntry< Val > const * operator ->() const;

private:
	RegexpMapIter(RegexpMapIterImpl< Val > * pTheImpl);
};

//============================================================================
template< typename Val > struct RegexpMapImpl;
	// MSC doesn't like this to be a RegexpMap member class...

template< typename Val >
class RegexpMap
{
public:
	typedef sal_uInt32 size_type;
	typedef RegexpMapIter< Val > iterator;
	typedef RegexpMapConstIter< Val > const_iterator;

	RegexpMap();

	RegexpMap(RegexpMap const & rOther);

	~RegexpMap();

	RegexpMap & operator =(RegexpMap const & rOther);

	bool add(rtl::OUString const & rKey, Val const & rValue, bool bOverwrite,
			 rtl::OUString * pReverse = 0);
		// throws com::sun::star::lang::IllegalArgumentException

	iterator find(rtl::OUString const & rKey, rtl::OUString * pReverse = 0);
		// throws com::sun::star::lang::IllegalArgumentException

	void erase(iterator const & rPos);

	iterator begin();

	const_iterator begin() const;

	iterator end();

	const_iterator end() const;

	bool empty() const;

	size_type size() const;

	Val const * map(rtl::OUString const & rString,
					rtl::OUString * pTranslation = 0, bool * pTranslated = 0)
		const;

private:
	RegexpMapImpl< Val > * m_pImpl;
};

}

//============================================================================
template< typename Val >
inline bool operator ==(ucb_impl::RegexpMapConstIter< Val > const & rIter1,
						ucb_impl::RegexpMapConstIter< Val > const & rIter2)
{
	return rIter1.equals(rIter2);
}

template< typename Val >
inline bool operator !=(ucb_impl::RegexpMapConstIter< Val > const & rIter1,
						ucb_impl::RegexpMapConstIter< Val > const & rIter2)
{
	return !rIter1.equals(rIter2);
}

#endif // _UCB_REGEXPMAP_HXX_