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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
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#ifndef _I18N_COLLATORIMPL_HXX_
#define _I18N_COLLATORIMPL_HXX_

#include <comphelper/processfactory.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/i18n/XLocaleData.hpp>
#include <com/sun/star/i18n/XCollator.hpp>
#include <com/sun/star/lang/Locale.hpp>
#include <cppuhelper/weak.hxx>
#include <cppuhelper/implbase2.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <sal/alloca.h>
#include <vector>

namespace com { namespace sun { namespace star { namespace i18n {
//      ----------------------------------------------------
//      class CollatorImpl
//      ----------------------------------------------------
class CollatorImpl : public cppu::WeakImplHelper2
<
	XCollator,
	com::sun::star::lang::XServiceInfo
>
{
public:

	// Constructors
	CollatorImpl( const com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory >& rxMSF );
	// Destructor
	~CollatorImpl();

	virtual sal_Int32 SAL_CALL compareSubstring(const rtl::OUString& s1, sal_Int32 off1, sal_Int32 len1,
		const rtl::OUString& s2, sal_Int32 off2, sal_Int32 len2) throw(com::sun::star::uno::RuntimeException);

	virtual sal_Int32 SAL_CALL compareString( const rtl::OUString& s1,
		const rtl::OUString& s2) throw(com::sun::star::uno::RuntimeException);

	virtual sal_Int32 SAL_CALL loadDefaultCollator( const lang::Locale& rLocale,  sal_Int32 collatorOptions) 
		throw(com::sun::star::uno::RuntimeException);

	virtual sal_Int32 SAL_CALL loadCollatorAlgorithm(  const rtl::OUString& impl, const lang::Locale& rLocale,
		sal_Int32 collatorOptions) throw(com::sun::star::uno::RuntimeException);

	virtual void SAL_CALL loadCollatorAlgorithmWithEndUserOption( const rtl::OUString& impl, const lang::Locale& rLocale,
		const com::sun::star::uno::Sequence< sal_Int32 >& collatorOptions) throw(com::sun::star::uno::RuntimeException);

	virtual com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL listCollatorAlgorithms( const lang::Locale& rLocale )
		throw(com::sun::star::uno::RuntimeException);

	virtual com::sun::star::uno::Sequence< sal_Int32 > SAL_CALL listCollatorOptions( const rtl::OUString& collatorAlgorithmName )
		throw(com::sun::star::uno::RuntimeException);

	//XServiceInfo
	virtual rtl::OUString SAL_CALL getImplementationName() throw( com::sun::star::uno::RuntimeException );
	virtual sal_Bool SAL_CALL supportsService(const rtl::OUString& ServiceName) throw( com::sun::star::uno::RuntimeException );
	virtual com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames() throw( com::sun::star::uno::RuntimeException );

protected:
	lang::Locale nLocale;
private :
	struct lookupTableItem {
	    lang::Locale aLocale;
	    rtl::OUString algorithm;
	    rtl::OUString service;
	    com::sun::star::uno::Reference < XCollator > xC;
	    lookupTableItem(const lang::Locale& rLocale, const rtl::OUString& _algorithm, const rtl::OUString& _service, 
		com::sun::star::uno::Reference < XCollator >& _xC) : aLocale(rLocale), algorithm(_algorithm), service(_service), xC(_xC) {}
	    sal_Bool SAL_CALL equals(const lang::Locale& rLocale, const rtl::OUString& _algorithm) {
		return aLocale.Language == rLocale.Language &&
			aLocale.Country == rLocale.Country &&
			aLocale.Variant == rLocale.Variant &&
			algorithm == _algorithm;
	    }
	};
	std::vector<lookupTableItem*> lookupTable;
	lookupTableItem *cachedItem;

	// Service Factory
	com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > xMSF;
	// lang::Locale Data
	com::sun::star::uno::Reference < XLocaleData > localedata;

	sal_Bool SAL_CALL createCollator(const lang::Locale& rLocale, const rtl::OUString& serviceName, 
		const rtl::OUString& rSortAlgorithm) throw(com::sun::star::uno::RuntimeException);
	void SAL_CALL loadCachedCollator(const lang::Locale& rLocale, const rtl::OUString& rSortAlgorithm)
		throw(com::sun::star::uno::RuntimeException);
};

} } } }

#endif