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comparison Implab/Automaton/DummyAlphabet.cs @ 164:ec35731ae299 ref20160224

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Almost complete DFA refactoring
author cin
date Thu, 25 Feb 2016 02:11:13 +0300
parents 419aa51b04fd
children 0f70905b4652
comparison
equal deleted inserted replaced
163:419aa51b04fd 164:ec35731ae299
1 using System; 1 using System;
2 using System.Collections.Generic; 2 using System.Collections.Generic;
3 using System.Linq; 3 using System.Linq;
4 4
5 namespace Implab.Automaton { 5 namespace Implab.Automaton {
6 /// <summary>
7 /// Dummy alphabet consists of integer numbers which are identical to their classes.
8 /// </summary>
6 public class DummyAlphabet : IAlphabet<int> { 9 public class DummyAlphabet : IAlphabet<int> {
7 readonly int m_size; 10 readonly int m_size;
11
12 /// <summary>
13 /// Creates a new dummy alphabet with given size.
14 /// </summary>
15 /// <param name="size">The size of the alphabet, must be greater then zero.</param>
8 public DummyAlphabet(int size) { 16 public DummyAlphabet(int size) {
9 Safe.ArgumentAssert(size > 0); 17 Safe.ArgumentAssert(size > 0);
10 m_size = 0; 18 m_size = 0;
11 } 19 }
12 20
19 public int[] Reclassify(IAlphabetBuilder<int> newAlphabet, IEnumerable<IEnumerable<int>> classes) { 27 public int[] Reclassify(IAlphabetBuilder<int> newAlphabet, IEnumerable<IEnumerable<int>> classes) {
20 Safe.ArgumentNotNull(newAlphabet, "newAlphabet"); 28 Safe.ArgumentNotNull(newAlphabet, "newAlphabet");
21 Safe.ArgumentNotNull(classes, "classes"); 29 Safe.ArgumentNotNull(classes, "classes");
22 var map = new int[m_size]; 30 var map = new int[m_size];
23 foreach (var cls in classes) { 31 foreach (var cls in classes) {
32 if (cls.Contains(DFAConst.UNCLASSIFIED_INPUT))
33 continue;
24 var newid = newAlphabet.DefineClass(cls); 34 var newid = newAlphabet.DefineClass(cls);
25 foreach (var id in cls) 35 foreach (var id in cls)
26 map[id] = newid; 36 map[id] = newid;
27 } 37 }
28 38