﻿#region MIT license
// 
// MIT license
//
// Copyright (c) 2007-2008 Jiri Moudry, Pascal Craponne
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
// 
#endregion
using System.Collections.Generic;
using System.Globalization;

namespace DbLinq.Language
{
    /// <summary>
    /// Words manipulation for a specific language.
    /// - Singularization/pluralization
    /// - Words extraction
    /// </summary>
    internal interface ILanguageWords
    {
        /// <summary>
        /// using English heuristics, convert 'dogs' to 'dog',
        /// 'categories' to 'category',
        /// 'cat' remains unchanged.
        /// </summary>
        string Singularize(string plural);

        /// <summary>
        /// using English heuristics, convert 'dog' to 'dogs',
        /// 'bass' remains unchanged.
        /// </summary>
        string Pluralize(string singular);

        /// <summary>
        /// Extracts words from an undistinguishable letters magma
        /// for example "shipsperunit" --&gt; "ships" "per" "unit"
        /// </summary>
        /// <param name="text">The text.</param>
        /// <returns></returns>
        IList<string> GetWords(string text);

        /// <summary>
        /// Returns true if the required culture is supported
        /// </summary>
        /// <param name="cultureInfo"></param>
        /// <returns></returns>
        bool Supports(CultureInfo cultureInfo);

        /// <summary>
        /// Loads the words (operation may be slow, so it is excluded from ctor)
        /// </summary>
        void Load();
    }
}