/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   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 .

 */

#include <unicode/uscript.h>

#include <i18nlangtag/lang.h>

#include <osl/mutex.hxx>

#include <cppuhelper/factory.hxx>

#include <cppuhelper/supportsservice.hxx>

#include <com/sun/star/linguistic2/ConversionDictionaryType.hpp>

#include <com/sun/star/lang/IllegalArgumentException.hpp>

#include <com/sun/star/i18n/UnicodeScript.hpp>

#include "hhconvdic.hxx"

#include <linguistic/misc.hxx>

using namespace osl;

using namespace com::sun::star;

using namespace com::sun::star::lang;

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

using namespace com::sun::star::linguistic2;

using namespace linguistic;

constexpr OUString SN_HH_CONV_DICTIONARY = u"com.sun.star.linguistic2.HangulHanjaConversionDictionary"_ustr;

constexpr sal_Int16 SCRIPT_OTHERS = 0;

constexpr sal_Int16 SCRIPT_HANJA  = 1;

constexpr sal_Int16 SCRIPT_HANGUL = 2;

// from i18npool/source/textconversion/textconversion_ko.cxx

/// @throws RuntimeException

static sal_Int16 checkScriptType(sal_Unicode c)

{

  UErrorCode status = U_ZERO_ERROR;

  UScriptCode scriptCode = uscript_getScript(c, &status);

  if ( !U_SUCCESS(status) ) throw RuntimeException();

  return scriptCode == USCRIPT_HANGUL ? SCRIPT_HANGUL :

            scriptCode == USCRIPT_HAN ? SCRIPT_HANJA : SCRIPT_OTHERS;

}

static bool TextIsAllScriptType( std::u16string_view rTxt, sal_Int16 nScriptType )

{

    for (size_t i = 0; i < rTxt.size(); ++i)

    {

        if (checkScriptType( rTxt[i]) != nScriptType)

            return false;

    }

    return true;

}

HHConvDic::HHConvDic( const OUString &rName, const OUString &rMainURL ) :

    ConvDic( rName, LANGUAGE_KOREAN, ConversionDictionaryType::HANGUL_HANJA, true, rMainURL )

{

}

HHConvDic::~HHConvDic()

{

}

void SAL_CALL HHConvDic::addEntry(

        const OUString& aLeftText,

        const OUString& aRightText )

{

    MutexGuard  aGuard( GetLinguMutex() );

    if ((aLeftText.getLength() != aRightText.getLength()) ||

        !TextIsAllScriptType( aLeftText,  SCRIPT_HANGUL ) ||

        !TextIsAllScriptType( aRightText, SCRIPT_HANJA ))

        throw IllegalArgumentException();

    ConvDic::addEntry( aLeftText, aRightText );

}

OUString SAL_CALL HHConvDic::getImplementationName(  )

{

    return u"com.sun.star.lingu2.HHConvDic"_ustr;

}

sal_Bool SAL_CALL HHConvDic::supportsService( const OUString& rServiceName )

{

    return cppu::supportsService(this, rServiceName);

}

uno::Sequence< OUString > SAL_CALL HHConvDic::getSupportedServiceNames(  )

{

    return { SN_CONV_DICTIONARY, SN_HH_CONV_DICTIONARY };

}

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