Mercurial > hg > Database > jungle-sharp

annotate Main/jungle-main/util/IterableConverter.cs @ 35:f2ea780b3e80

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fix
author Kazuma Takeda
date Wed, 22 Feb 2017 16:30:19 +0900
parents 9588ad364fdd
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
35
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diff changeset
1 using System.Collections.Generic;
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2 using System.Collections;
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3 using System;
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4
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5 public class IterableConverter<A,B> : IEnumerable<A> {
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6 private IEnumerable<B> iterable;
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7 private Converter<A,B> converter;
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8
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9
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10 IEnumerator IEnumerable.GetEnumerator()
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11 {
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12 // call the generic version of the method
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13 return this.GetEnumerator();
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14 }
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15
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16 public IEnumerator<A> GetEnumerator()
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17 {
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18 return iterator ();
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19 }
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20
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21 public IterableConverter(IEnumerable<B> _iterable,Converter<A,B> _converter)
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22 {
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23 iterable = _iterable;
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24 converter = _converter;
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25 }
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26
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27 public IEnumerator<A> iterator()
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28 {
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29 return new IteratorConverter<A,B>(iterable.GetEnumerator(),converter);
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30 }
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31
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32 private class IteratorConverter<C,D> : IEnumerator<C>
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33 {
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34 public List<C> appLines { get; set; }
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35
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36 private IEnumerator<D> iterator;
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37 private Converter<C,D> converter;
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38
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39 public IteratorConverter(IEnumerator<D> _iterator,Converter<C,D> _converter)
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40 {
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41 iterator = _iterator;
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42 converter = _converter;
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43 }
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44
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45 public bool MoveNext()
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46 {
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47 return iterator.MoveNext();
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48 }
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49
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50 public C Current
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51 {
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52 get{
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53 return converter.conv (iterator.Current);
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54 }
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55 }
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56
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57 public void Reset()
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58 {
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59 // ホントはremove?
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60 iterator.Reset();
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61 }
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62
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63 object IEnumerator.Current
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64 {
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65 get { return appLines; }
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66 }
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67
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68 public void Dispose() {
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69 ((IEnumerator<C>)this.appLines).Dispose ();
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70 }
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71 }
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74 public interface Converter<C,D>{
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75 C conv (D _b);
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76 }
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77
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78 }