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Ignore:
Timestamp:
09/14/12 18:58:15 (12 years ago)
Author:
gkronber
Message:

#1847 merged r8205:8635 from trunk into branch

Location:
branches/GP-MoveOperators
Files:
2 edited

Legend:

Unmodified
Added
Removed

  • branches/GP-MoveOperators

  • branches/GP-MoveOperators/HeuristicLab.Common/3.3/ObjectExtensions.cs

    r8206 r8660  
    3535    }
    3636
    37     public static IEnumerable<object> GetObjectGraphObjects(this object obj, HashSet<string> excludedMembers = null, bool excludeStaticMembers = false) {
     37    public static IEnumerable<object> GetObjectGraphObjects(this object obj, HashSet<object> excludedMembers = null, bool excludeStaticMembers = false) {
    3838      if (obj == null) return Enumerable.Empty<object>();
    39       if (excludedMembers == null) excludedMembers = new HashSet<string>();
     39      if (excludedMembers == null) excludedMembers = new HashSet<object>();
    4040
    4141      var objects = new HashSet<object>();
    … …  
    4848
    4949        foreach (object o in GetChildObjects(current, excludedMembers, excludeStaticMembers)) {
    50           if (o != null && !objects.Contains(o) && !ExcludeType(o.GetType()))
    51             stack.Push(o);
     50          if (o == null) continue;
     51          if (ExcludeType(o.GetType())) continue;
     52          if (objects.Contains(o)) continue;
     53          stack.Push(o);
    5254        }
    5355      }
    … …  
    6365    ///   * string, decimal, DateTime
    6466    ///   * Arrays of types not collected
    65     ///   
    66     /// Dictionaries and HashSets are treated specially, because it is cheaper to iterate over their keys and values
    67     /// compared to traverse their internal data structures.
    6867    /// </summary>
    6968    private static bool ExcludeType(Type type) {
    7069      return type.IsPrimitive ||
    7170             type == typeof(string) ||
     71             type == typeof(string[]) ||
    7272             type == typeof(decimal) ||
     73             type == typeof(decimal[]) ||
    7374             type == typeof(DateTime) ||
     75             type == typeof(DateTime[]) ||
    7476             typeof(Delegate).IsAssignableFrom(type) ||
    7577             typeof(Pointer).IsAssignableFrom(type) ||
    76              type == typeof(string[]) ||
    77              type == typeof(DateTime[]) ||
     78             type == typeof(System.Reflection.Emit.SignatureHelper) ||
    7879             (type.HasElementType && ExcludeType(type.GetElementType()));
    7980    }
    80     private static IEnumerable<object> GetChildObjects(object obj, HashSet<string> excludedMembers, bool excludeStaticMembers) {
     81
     82    private static IEnumerable<object> GetChildObjects(object obj, HashSet<object> excludedMembers, bool excludeStaticMembers) {
    8183      Type type = obj.GetType();
    8284
    … …  
    8486        PropertyInfo info = type.GetProperty("Value");
    8587        object value = info.GetValue(obj, null);
    86         if (value != null) yield return value;
     88        if (value != null && !excludedMembers.Contains(value))
     89          yield return value;
    8790      } else if (type.IsSubclassOfRawGeneric(typeof(Dictionary<,>)) ||
    8891           type.IsSubclassOfRawGeneric(typeof(SortedDictionary<,>)) ||
    … …  
    9396           obj is Hashtable) {
    9497        var dictionary = obj as IDictionary;
    95         foreach (object value in dictionary.Keys)
     98        foreach (object value in dictionary.Keys) {
     99          if (excludedMembers.Contains(value)) continue;
    96100          yield return value;
    97         foreach (object value in dictionary.Values)
     101        }
     102        foreach (object value in dictionary.Values) {
     103          if (excludedMembers.Contains(value)) continue;
    98104          yield return value;
     105        }
    99106      } else if (type.IsArray || type.IsSubclassOfRawGeneric(typeof(HashSet<>))) {
    100107        var enumerable = obj as IEnumerable;
    101         foreach (var value in enumerable)
     108        foreach (var value in enumerable) {
     109          if (excludedMembers.Contains(value)) continue;
    102110          yield return value;
     111        }
    103112      } else {
    104113        foreach (FieldInfo f in type.GetAllFields()) {
    105           if (excludedMembers.Contains(f.Name)) continue;
    106114          if (excludeStaticMembers && f.IsStatic) continue;
    107115          object fieldValue;
    … …  
    112120            continue;
    113121          }
     122          if (excludedMembers.Contains(fieldValue)) continue;
    114123          yield return fieldValue;
    115124        }
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