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fixed combined names being able to be outdated if additional enum values are added later
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1 changed files with 11 additions and 5 deletions
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@ -94,15 +94,18 @@ namespace DynamicEnums {
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/// <summary>Returns a string that represents the current object.</summary>
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/// <returns>A string that represents the current object.</returns>
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public override string ToString() {
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if (this.name == null) {
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if (this.name != null)
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return this.name;
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var storage = DynamicEnum.GetStorage(this.GetType());
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if (!storage.CombinedNameCache.TryGetValue(this, out var combinedName)) {
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// Enum ToString remarks: https://learn.microsoft.com/en-us/dotnet/api/system.enum.tostring
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// If the FlagsAttribute is not applied to this enumerated type and there is a named constant equal to the value of this instance, then the return value is a string containing the name of the constant.
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// If the FlagsAttribute is applied and there is a combination of one or more named constants equal to the value of this instance, then the return value is a string containing a delimiter-separated list of the names of the constants.
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// Otherwise, the return value is the string representation of the numeric value of this instance.
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var included = new StringBuilder();
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var remain = DynamicEnum.GetValue(this);
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foreach (var other in DynamicEnum.GetValues(this.GetType())) {
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foreach (var other in storage.Values.Values) {
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if (this.HasAllFlags(other)) {
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var otherValue = DynamicEnum.GetValue(other);
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if (otherValue != 0) {
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@ -113,9 +116,10 @@ namespace DynamicEnums {
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}
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}
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}
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this.name = included.Length > 0 && remain == 0 ? included.ToString() : DynamicEnum.GetValue(this).ToString();
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combinedName = included.Length > 0 && remain == 0 ? included.ToString() : DynamicEnum.GetValue(this).ToString();
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storage.CombinedNameCache.Add(this, combinedName);
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}
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return this.name;
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return combinedName;
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}
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/// <summary>
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@ -476,6 +480,7 @@ namespace DynamicEnums {
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public readonly Dictionary<(DynamicEnum, DynamicEnum), DynamicEnum> AndCache = new Dictionary<(DynamicEnum, DynamicEnum), DynamicEnum>();
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public readonly Dictionary<(DynamicEnum, DynamicEnum), DynamicEnum> XorCache = new Dictionary<(DynamicEnum, DynamicEnum), DynamicEnum>();
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public readonly Dictionary<DynamicEnum, DynamicEnum> NegCache = new Dictionary<DynamicEnum, DynamicEnum>();
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public readonly Dictionary<DynamicEnum, string> CombinedNameCache = new Dictionary<DynamicEnum, string>();
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public void ClearCaches() {
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this.FlagCache.Clear();
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@ -484,6 +489,7 @@ namespace DynamicEnums {
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this.AndCache.Clear();
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this.XorCache.Clear();
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this.NegCache.Clear();
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this.CombinedNameCache.Clear();
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}
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}
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