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 * 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
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 *   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
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_i18npool.hxx"

#include <indexentrysupplier_common.hxx>
#include <com/sun/star/i18n/CollatorOptions.hpp>
#include <localedata.hxx>

using namespace ::com::sun::star::uno;
using namespace ::com::sun::star;
using namespace ::rtl;

namespace com { namespace sun { namespace star { namespace i18n {

IndexEntrySupplier_Common::IndexEntrySupplier_Common(const Reference < lang::XMultiServiceFactory >& rxMSF)
{
	implementationName = "com.sun.star.i18n.IndexEntrySupplier_Common";
	collator = new CollatorImpl(rxMSF);
	usePhonetic = sal_False;
}

IndexEntrySupplier_Common::~IndexEntrySupplier_Common()
{
	delete collator;
}

Sequence < lang::Locale > SAL_CALL IndexEntrySupplier_Common::getLocaleList() throw (RuntimeException)
{
    throw RuntimeException();
}

Sequence < OUString > SAL_CALL IndexEntrySupplier_Common::getAlgorithmList( const lang::Locale& ) throw (RuntimeException)
{
    throw RuntimeException();
}

OUString SAL_CALL IndexEntrySupplier_Common::getPhoneticCandidate( const OUString&,
	const lang::Locale& ) throw (RuntimeException)
{
    return OUString();
}

sal_Bool SAL_CALL IndexEntrySupplier_Common::usePhoneticEntry( const lang::Locale& ) throw (RuntimeException)
{
    throw RuntimeException();
}

sal_Bool SAL_CALL IndexEntrySupplier_Common::loadAlgorithm( const lang::Locale& rLocale,
	const OUString& rAlgorithm, sal_Int32 collatorOptions ) throw (RuntimeException)
{
    usePhonetic = LocaleData().isPhonetic(rLocale, rAlgorithm);
    collator->loadCollatorAlgorithm(rAlgorithm, rLocale, collatorOptions);
    aLocale = rLocale;
    aAlgorithm = rAlgorithm;
    return sal_True;
}

OUString SAL_CALL IndexEntrySupplier_Common::getIndexKey( const OUString& rIndexEntry,
	const OUString&, const lang::Locale& ) throw (RuntimeException)
{
    sal_Int32 nPos=0;
    sal_uInt32 indexChar=rIndexEntry.iterateCodePoints(&nPos, 0);
    return OUString(&indexChar, 1);
}

sal_Int16 SAL_CALL IndexEntrySupplier_Common::compareIndexEntry(
	const OUString& rIndexEntry1, const OUString&, const lang::Locale&,
	const OUString& rIndexEntry2, const OUString&, const lang::Locale& )
	throw (RuntimeException)
{
    return sal::static_int_cast< sal_Int16 >(
        collator->compareString(rIndexEntry1, rIndexEntry2));
        // return value of compareString in { -1, 0, 1 }
}

OUString SAL_CALL IndexEntrySupplier_Common::getIndexCharacter( const OUString& rIndexEntry,
	const lang::Locale& rLocale, const OUString& ) throw (RuntimeException)
{
    return getIndexKey(rIndexEntry, rIndexEntry, rLocale);
}

OUString SAL_CALL IndexEntrySupplier_Common::getIndexFollowPageWord( sal_Bool,
	const lang::Locale& ) throw (RuntimeException)
{
    throw RuntimeException();
}

const OUString& SAL_CALL 
IndexEntrySupplier_Common::getEntry( const OUString& IndexEntry,
	const OUString& PhoneticEntry, const lang::Locale& rLocale ) throw (RuntimeException)
{
	// The condition for using phonetic entry is:
	// usePhonetic is set for the algorithm;
	// rLocale for phonetic entry is same as aLocale for algorithm,
	// which means Chinese phonetic will not be used for Japanese algorithm;
	// phonetic entry is not blank.
	if (usePhonetic && PhoneticEntry.getLength() > 0 && rLocale.Language == aLocale.Language &&
            rLocale.Country == aLocale.Country && rLocale.Variant == aLocale.Variant)
	    return PhoneticEntry;
	else
	    return IndexEntry;
}

OUString SAL_CALL
IndexEntrySupplier_Common::getImplementationName() throw( RuntimeException )
{
    return OUString::createFromAscii( implementationName );
}

sal_Bool SAL_CALL
IndexEntrySupplier_Common::supportsService(const OUString& rServiceName) throw( RuntimeException )
{
    return rServiceName.compareToAscii(implementationName) == 0;
}

Sequence< OUString > SAL_CALL
IndexEntrySupplier_Common::getSupportedServiceNames() throw( RuntimeException )
{
    Sequence< OUString > aRet(1);
    aRet[0] = OUString::createFromAscii( implementationName );
    return aRet;
}

} } } }