annotate Implab/Automaton/IAlphabet.cs @ 196:40d7fed4a09e

fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
author cin
date Mon, 29 Aug 2016 23:15:51 +0300
parents 0f70905b4652
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using System.Text;
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5 using System.Threading.Tasks;
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6
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7 namespace Implab.Automaton {
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8 /// <summary>
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9 /// Алфавит. Множество символов, которые разбиты на классы, при этом классы имеют непрерывную нумерацию,
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10 /// что позволяет использовать их в качестве индексов массивов.
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11 /// </summary>
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12 /// <remarks>
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13 /// <para>Алфавит является сюрьективным отображением множества символов в множество индексов, это позволяет сократить размер таблицы переходов автомата
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14 /// для входных символов, которые для него не различимы.</para>
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15 /// </remarks>
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16 /// <typeparam name="TSymbol">Тип символов.</typeparam>
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17 public interface IAlphabet<TSymbol> {
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18 /// <summary>
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19 /// Количество классов символов в алфавите.
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20 /// </summary>
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21 int Count { get; }
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22
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23 /// <summary>
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24 /// Преобразует входной символ в индекс символа из алфавита.
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25 /// </summary>
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26 /// <param name="symobl">Исходный символ</param>
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27 /// <returns>Индекс в алфавите</returns>
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28 int Translate(TSymbol symobl);
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29
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30 bool Contains(TSymbol symbol);
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31
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32 IEnumerable<TSymbol> GetSymbols(int cls);
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33 }
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34 }