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1 using System;
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2
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3 namespace Implab.Automaton.RegularExpressions {
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4 public class RegularDFADefinition<TInput, TTag> : DFATable {
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5
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6 readonly IAlphabet<TInput> m_alphabet;
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7
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8 public RegularDFADefinition(IAlphabet<TInput> alphabet) {
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9 Safe.ArgumentNotNull(alphabet, "aplhabet");
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10
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11 m_alphabet = alphabet;
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12 }
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13
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14
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15 public IAlphabet<TInput> InputAlphabet {
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16 get {
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17 return m_alphabet;
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18 }
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19 }
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20
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21 protected override DFAStateDescriptior[] ConstructTransitionTable() {
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22 if (InputAlphabet.Count != m_alphabet.Count)
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23 throw new InvalidOperationException("The alphabet doesn't match the transition table");
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24
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25 return base.ConstructTransitionTable();
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26 }
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27
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28 /// <summary>
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29 /// Optimize the specified alphabet.
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30 /// </summary>
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31 /// <param name = "dfaTable"></param>
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32 /// <param name="alphabet">Пустой алфавит, который будет зполнен в процессе оптимизации.</param>
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33 public void Optimize(IDFATableBuilder<TTag> dfaTable, IAlphabetBuilder<TInput> alphabet) {
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34 Safe.ArgumentNotNull(alphabet, "alphabet");
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35 Safe.ArgumentNotNull(dfaTable, "dfaTable");
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36
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37 Optimize(dfaTable, InputAlphabet, alphabet, new DummyAlphabet(StateCount), new MapAlphabet<int>());
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38 }
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39
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40
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41 }
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42 }
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43
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