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165
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1 using System.Collections.Generic;
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164
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2 using System.Linq;
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165
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3 using Implab.Automaton;
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228
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4 using System;
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164
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5
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165
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6 namespace Implab.Formats {
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236
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7 public class CharAlphabet : IndexedAlphabetBase<char> {
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164
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8
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9 public override int GetSymbolIndex(char symbol) {
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10 return symbol;
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11 }
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12
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176
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13 public IEnumerable<char> InputSymbols {
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164
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14 get { return Enumerable.Range(char.MinValue, char.MaxValue).Cast<char>(); }
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15 }
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228
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16
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17 public CharMap CreateCharMap() {
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18 var map = new Dictionary<int, int>();
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19
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20 int max = 0, min = char.MaxValue;
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21 foreach (var p in Mappings) {
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22 var index = GetSymbolIndex(p.Key);
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23 max = Math.Max(max, index);
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24 min = Math.Min(min, index);
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25 map[index] = p.Value;
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26 }
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27
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28 var result = new int[max - min + 1];
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29
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30 for (int i = 0; i < result.Length; i++)
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31 map.TryGetValue(min + i, out result[i]);
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32
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33 return new CharMap((char)min, result);
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34 }
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164
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35 }
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36 }
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