/* -*- 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 .

 */

#pragma once

#include "breakiteratorImpl.hxx"

#include <unicode/brkiter.h>

#include <unicode/utext.h>

#include <memory>

#include <unordered_map>

namespace i18npool {

#define LOAD_CHARACTER_BREAKITERATOR    0

#define LOAD_WORD_BREAKITERATOR         1

#define LOAD_SENTENCE_BREAKITERATOR     2

#define LOAD_LINE_BREAKITERATOR         3

class BreakIterator_Unicode : public BreakIteratorImpl

{

public:

    BreakIterator_Unicode();

    virtual ~BreakIterator_Unicode() override;

    virtual sal_Int32 SAL_CALL previousCharacters( const OUString& Text, sal_Int32 nStartPos,

        const css::lang::Locale& nLocale, sal_Int16 nCharacterIteratorMode, sal_Int32 nCount,

        sal_Int32& nDone ) override;

    virtual sal_Int32 SAL_CALL nextCharacters( const OUString& Text, sal_Int32 nStartPos,

        const css::lang::Locale& rLocale, sal_Int16 nCharacterIteratorMode, sal_Int32 nCount,

        sal_Int32& nDone ) override;

    virtual css::i18n::Boundary SAL_CALL previousWord( const OUString& Text, sal_Int32 nStartPos,

        const css::lang::Locale& nLocale, sal_Int16 WordType) override;

    virtual css::i18n::Boundary SAL_CALL nextWord( const OUString& Text, sal_Int32 nStartPos,

        const css::lang::Locale& nLocale, sal_Int16 WordType) override;

    virtual css::i18n::Boundary SAL_CALL getWordBoundary( const OUString& Text, sal_Int32 nPos,

        const css::lang::Locale& nLocale, sal_Int16 WordType, sal_Bool bDirection ) override;

    virtual sal_Int32 SAL_CALL beginOfSentence( const OUString& Text, sal_Int32 nStartPos,

        const css::lang::Locale& nLocale ) override;

    virtual sal_Int32 SAL_CALL endOfSentence( const OUString& Text, sal_Int32 nStartPos,

        const css::lang::Locale& nLocale ) override;

    virtual css::i18n::LineBreakResults SAL_CALL getLineBreak( const OUString& Text, sal_Int32 nStartPos,

        const css::lang::Locale& nLocale, sal_Int32 nMinBreakPos,

        const css::i18n::LineBreakHyphenationOptions& hOptions,

        const css::i18n::LineBreakUserOptions& bOptions ) override;

    //XServiceInfo

    virtual OUString SAL_CALL getImplementationName() override;

    virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;

    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;

protected:

    OUString cBreakIterator;

    const char *lineRule;

    /** Used as map value. */

    struct BI_ValueData

    {

        OUString                                maICUText;

        UText*                                  mpUt;

        std::shared_ptr< icu::BreakIterator >   mpBreakIterator;

        BI_ValueData() : mpUt(nullptr)

        {

        }

        ~BI_ValueData()

        {

            utext_close(mpUt);

        }

    };

    struct BI_Data

    {

        std::shared_ptr< BI_ValueData > mpValue;

        OString                         maBIMapKey;

    } character, sentence, line, *icuBI;

    BI_Data words[4]; // 4 is css::i18n::WordType enumeration size

    /// @throws css::uno::RuntimeException

    void loadICUBreakIterator(const css::lang::Locale& rLocale,

        sal_Int16 rBreakType, sal_Int16 rWordType, const char* name, const OUString& rText);

public:

    typedef std::unordered_map< OString, std::shared_ptr< BI_ValueData > > BIMap;

};

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */