1 | using System;
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2 | using System.Linq;
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3 | using System.Collections.Generic;
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4 | using Bridge;
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5 | using Bridge.Linq;
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6 | using Bridge.Text.RegularExpressions;
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7 | using System.Collections;
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8 |
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9 | namespace WebMrbc
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10 | {
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11 | public interface IModel
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12 | {
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13 | string Identifier { get; }
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14 | }
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15 |
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16 | public class Collection<T> : IEnumerable<T> where T : IModel
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17 | {
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18 | T[] List = new T[0];
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19 |
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20 | public Collection()
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21 | {
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22 | }
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23 |
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24 | public T LastModel { get { int i = List.Length; if (i == 0) return default(T); return List[i - 1]; } }
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25 | public int Length { get { return List.Length; } }
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26 |
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27 | public EventHandler OnAdd;
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28 | public EventHandler OnRemove;
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29 | public EventHandler OnReset;
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30 | public EventHandler OnChange;
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31 |
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32 | internal void Add(T item)
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33 | {
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34 | List.Push(item);
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35 |
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36 | if (OnAdd != null)
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37 | OnAdd(this, EventArgs.Empty);
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38 | }
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39 |
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40 | internal void Remove(T item)
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41 | {
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42 | var i = List.IndexOf(item);
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43 | if (i >= 0)
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44 | List.Splice(i, 1);
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45 |
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46 | if (OnRemove != null)
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47 | OnRemove(this, EventArgs.Empty);
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48 | }
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49 |
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50 | internal void Reset()
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51 | {
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52 | List.Splice(0, List.Length);
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53 |
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54 | if (OnReset != null)
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55 | OnReset(this, EventArgs.Empty);
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56 | }
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57 |
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58 | internal void Reset(IEnumerable<T> n)
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59 | {
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60 | List.Splice(0, List.Length);
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61 | List = (T[])List.Concat(n);
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62 |
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63 | if (OnReset != null)
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64 | OnReset(this, EventArgs.Empty);
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65 | }
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66 |
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67 | internal T At(int index)
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68 | {
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69 | return List[index];
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70 | }
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71 |
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72 | internal string UniqueName(string identifier)
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73 | {
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74 | var prefix = "";
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75 | if ((identifier[0] >= 'a') && (identifier[0] <= 'z'))
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76 | prefix = identifier[0].ToString().ToUpper();
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77 | else if ((identifier[0] < 'A') || (identifier[0] > 'Z'))
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78 | prefix = "C";
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79 |
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80 | var max = 0;
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81 | var n = new Regex("^" + identifier + "([0-9]+)$");
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82 | foreach (var c in List) {
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83 | var m = c.Identifier.Match(n);
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84 | if (m != null)
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85 | max = System.Math.Max(max, Script.ParseInt(m[0]));
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86 | break;
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87 | }
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88 | if (max == 0)
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89 | return prefix + identifier;
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90 | else
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91 | return prefix + identifier + max;
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92 | }
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93 |
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94 | internal T FindWhere(object p)
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95 | {
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96 | foreach (var c in List) {
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97 | if (Script.Write<bool>("(function(c) { for (var i in p) if (p[i] !== c[i]) return false; return true; })(c)"))
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98 | return c;
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99 | }
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100 | return default(T);
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101 | }
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102 |
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103 | public IEnumerator<T> GetEnumerator()
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104 | {
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105 | return (dynamic)List.GetEnumerator();
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106 | }
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107 |
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108 | IEnumerator IEnumerable.GetEnumerator()
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109 | {
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110 | return List.GetEnumerator();
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111 | }
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112 | }
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113 | }
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