1 | using System;
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2 | using System.Collections;
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3 | using System.Collections.Generic;
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4 | using System.Linq;
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5 | using System.Text;
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6 | using Newtonsoft.Json;
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7 | using Newtonsoft.Json.Linq;
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8 |
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9 | namespace HeuristicLab.JsonInterface {
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10 | /// <summary>
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11 | /// Main data class for json interface.
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12 | /// </summary>
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13 | public class JsonItem : IJsonItem {
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14 |
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15 | public class JsonItemValidator : IJsonItemValidator {
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16 | private IDictionary<int, bool> Cache = new Dictionary<int, bool>();
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17 | private JsonItem Root { get; set; }
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18 | public JsonItemValidator(JsonItem root) {
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19 | Root = root;
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20 | }
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21 |
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22 | public bool Validate(ref IList<IJsonItem> faultyItems) {
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23 | faultyItems = new List<IJsonItem>();
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24 | return ValidateHelper(Root, ref faultyItems);
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25 | }
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26 |
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27 | private bool ValidateHelper(JsonItem item, ref IList<IJsonItem> faultyItems) {
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28 | int hash = item.GetHashCode();
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29 | if (Cache.TryGetValue(hash, out bool r))
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30 | return r;
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31 |
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32 | bool res = true;
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33 | if (item.Value != null && item.Range != null)
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34 | res = item.IsInRange();
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35 | if (!res) faultyItems.Add(item);
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36 | Cache.Add(hash, res);
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37 | if(item.Children != null)
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38 | foreach (var child in item.Children)
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39 | res = res && ValidateHelper(child as JsonItem, ref faultyItems);
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40 | return res;
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41 | }
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42 | }
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43 |
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44 | public virtual string Name { get; set; }
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45 |
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46 | public virtual string Description { get; set; }
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47 |
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48 | private string fixedPath = "";
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49 | public virtual string Path {
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50 | get {
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51 | if (!string.IsNullOrWhiteSpace(fixedPath))
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52 | return fixedPath;
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53 |
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54 | IJsonItem tmp = Parent;
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55 | StringBuilder builder = new StringBuilder(this.Name);
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56 | while(tmp != null) {
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57 | builder.Insert(0, tmp.Name + ".");
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58 | tmp = tmp.Parent;
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59 | }
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60 | return builder.ToString();
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61 | }
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62 | }
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63 |
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64 | public virtual object Value { get; set; }
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65 |
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66 | public virtual IEnumerable<object> Range { get; set; }
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67 |
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68 | // TODO eigene items für LookUp?
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69 | public virtual string ActualName { get; set; }
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70 |
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71 | // TODO jsonIgnore dataType?
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72 |
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73 | [JsonIgnore]
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74 | public virtual IList<IJsonItem> Children { get; protected set; }
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75 |
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76 | [JsonIgnore]
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77 | public virtual IJsonItem Parent { get; set; }
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78 |
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79 | [JsonIgnore]
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80 | public virtual bool Active { get; set; }
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81 |
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82 | #region Constructors
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83 | public JsonItem() { }
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84 |
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85 | public JsonItem(IEnumerable<IJsonItem> childs) {
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86 | AddChildren(childs);
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87 | }
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88 | #endregion
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89 |
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90 | #region Public Methods
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91 | public void AddChildren(params IJsonItem[] childs) =>
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92 | AddChildren(childs as IEnumerable<IJsonItem>);
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93 |
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94 | public void AddChildren(IEnumerable<IJsonItem> childs) {
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95 | if (childs == null) return;
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96 | if (Children == null)
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97 | Children = new List<IJsonItem>();
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98 | foreach (var child in childs) {
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99 | Children.Add(child);
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100 | child.Parent = this;
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101 | }
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102 | }
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103 |
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104 | public virtual IJsonItemValidator GetValidator() => new JsonItemValidator(this);
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105 |
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106 | public void FixatePath() => fixedPath = Path;
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107 | public void LoosenPath() => fixedPath = "";
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108 |
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109 | public virtual void SetFromJObject(JObject jObject) {
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110 | Value = jObject[nameof(IJsonItem.Value)]?.ToObject<object>();
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111 | Range = jObject[nameof(IJsonItem.Range)]?.ToObject<object[]>();
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112 | ActualName = jObject[nameof(IJsonItem.ActualName)]?.ToString();
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113 | }
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114 | #endregion
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115 |
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116 | #region Helper
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117 | /*
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118 | * TODO protected abstract bool Validate();
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119 | */
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120 |
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121 | protected virtual bool IsInRange() {
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122 | bool b1 = true, b2 = true;
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123 | if (Value is IEnumerable && !(Value is string)) {
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124 | foreach (var x in (IEnumerable)Value) {
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125 | b1 = b1 ? IsInRangeList(x) : b1;
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126 | b2 = b2 ? IsInNumericRange(x) : b2;
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127 | }
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128 | }
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129 | else {
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130 | b1 = IsInRangeList(Value);
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131 | b2 = IsInNumericRange(Value);
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132 | }
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133 | return b1 || b2;
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134 | }
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135 |
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136 | protected bool IsInRangeList(object value) {
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137 | foreach (var x in Range)
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138 | if (x.Equals(value)) return true;
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139 | return false;
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140 | }
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141 |
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142 | protected bool IsInNumericRange(object value) =>
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143 | IsInNumericRange<ulong>(value)
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144 | || IsInNumericRange<uint>(value)
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145 | || IsInNumericRange<ushort>(value)
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146 | || IsInNumericRange<long>(value)
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147 | || IsInNumericRange<int>(value)
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148 | || IsInNumericRange<short>(value)
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149 | || IsInNumericRange<byte>(value)
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150 | || IsInNumericRange<float>(value)
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151 | || IsInNumericRange<double>(value)
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152 | || (value is float && float.IsNaN((float)value))
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153 | || (value is double && double.IsNaN((double)value));
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154 |
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155 | protected bool IsInNumericRange<T>(object value) where T : IComparable {
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156 | object min = Range.First(), max = Range.Last();
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157 | return
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158 | value != null && min != null && max != null && value is T && min is T && max is T &&
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159 | (((T)min).CompareTo(value) == -1 || ((T)min).CompareTo(value) == 0) &&
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160 | (((T)max).CompareTo(value) == 1 || ((T)max).CompareTo(value) == 0);
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161 | }
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162 | #endregion
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163 | }
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164 | } |
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