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/* -*- 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 .
 */

module com { module sun { module star { module i18n {

/** provides locale-sensitive collation algorithms for string comparison.

*/
published interface XCollator: com::sun::star::uno::XInterface
{
    /** Compare 2 substrings in specific locale and algorithm.

        @param aStr1
            First string.

        @param nOff1
            Offset (from 0) of the first string.

        @param nLen1
            Length (from offset) of the first substring.

        @param aStr2
            Second string

        @param nOff2
            Offset (from 0) of the second string.

        @param nLen2
            Length (from offset) of the second substring.

        @returns
            1 if the first string is greater than the second string <br/>
            0 if the first string is equal to the second string <br/>
            -1 if the first string is less than the second string
    */
    long compareSubstring(  [in] string aStr1, [in] long nOff1, [in] long nLen1,
                            [in] string aStr2, [in] long nOff2, [in] long nLen2 );

    /** Compare 2 strings in specific locale and algorithm.

        @param aStr1
            First string.

        @param aStr2
            Second string.

        @returns
            1 if the first string is greater than the second string <br/>
            0 if the first string is equal to the second string <br/>
            -1 if the first string is less than the second string
    */
    long compareString( [in] string aStr1, [in] string aStr2 );

    /** Load the collator with default algorithm defined in
        locale data.

        @param aLocale
            The locale for this collator.

        @param nCollatorOptions
            A mask of CollatorOptions.

        @returns
            Returns 0 when loading was successful,
            otherwise throws runtime exception. In fact the return value
            should be ignored and the exception be caught instead.
    */
    long loadDefaultCollator(   [in] ::com::sun::star::lang::Locale aLocale,
                                [in] long nCollatorOptions );

    /** Load a particular collator algorithm for the locale.

        @param aAlgorithmName
            The algorithm to load.

        @param aLocale
            The locale for this collator.

        @param nCollatorOptions
            A mask of CollatorOptions.

        @returns
            Returns 0 when loading was successful,
            otherwise throws runtime exception.
    */
    long loadCollatorAlgorithm( [in] string aAlgorithmName,
                                [in] ::com::sun::star::lang::Locale aLocale,
                                [in] long nCollatorOptions );

    /** List all collator algorithms for a given locale.

        @param aLocale
            The locale for which to list algorithms.

        @returns
            A sequence of algorithm names.
    */
    sequence <string> listCollatorAlgorithms(
                                [in] ::com::sun::star::lang::Locale aLocale );

    /** Load a collator algorithm with options chosen by end user.

        @param aAlgorithmName
            The algorithm name to load.

        @param aLocale
            The locale for this collator.

        @param aCollatorOptions
            A sequence of end user collator options like those returned
            by XCollator::listCollatorOptions().
    */
    void loadCollatorAlgorithmWithEndUserOption(
                                [in] string aAlgorithmName,
                                [in] ::com::sun::star::lang::Locale aLocale,
                                [in] sequence<long> aCollatorOptions );

    /** List all end user collator options for a given algorithm.

        @param aAlgorithmName
            The algorithm name for this collator.

        @returns
            An array of end user options available for the algorithm.
    */
    sequence <long> listCollatorOptions( [in] string aAlgorithmName );

};


}; }; }; };


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