Ellpeck/DynamicEnums
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fixed combined names being able to be outdated if additional enum values are added later

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Ell 2024-06-29 00:17:03 +02:00
parent e17ebf9973
commit 28cb8e443e
1 changed files with 11 additions and 5 deletions
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16
DynamicEnums/DynamicEnum.cs
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@ -94,15 +94,18 @@ namespace DynamicEnums {
/// <summary>Returns a string that represents the current object.</summary>
/// <returns>A string that represents the current object.</returns>
public override string ToString() {
if (this.name == null) {
if (this.name != null)
return this.name;
var storage = DynamicEnum.GetStorage(this.GetType());
if (!storage.CombinedNameCache.TryGetValue(this, out var combinedName)) {
// Enum ToString remarks: https://learn.microsoft.com/en-us/dotnet/api/system.enum.tostring
// 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.
// 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.
// Otherwise, the return value is the string representation of the numeric value of this instance.
var included = new StringBuilder();
var remain = DynamicEnum.GetValue(this);
foreach (var other in DynamicEnum.GetValues(this.GetType())) {
foreach (var other in storage.Values.Values) {
if (this.HasAllFlags(other)) {
var otherValue = DynamicEnum.GetValue(other);
if (otherValue != 0) {
@ -113,9 +116,10 @@ namespace DynamicEnums {
}
}
}
this.name = included.Length > 0 && remain == 0 ? included.ToString() : DynamicEnum.GetValue(this).ToString();
combinedName = included.Length > 0 && remain == 0 ? included.ToString() : DynamicEnum.GetValue(this).ToString();
storage.CombinedNameCache.Add(this, combinedName);
}
return this.name;
return combinedName;
}
/// <summary>
@ -476,6 +480,7 @@ namespace DynamicEnums {
public readonly Dictionary<(DynamicEnum, DynamicEnum), DynamicEnum> AndCache = new Dictionary<(DynamicEnum, DynamicEnum), DynamicEnum>();
public readonly Dictionary<(DynamicEnum, DynamicEnum), DynamicEnum> XorCache = new Dictionary<(DynamicEnum, DynamicEnum), DynamicEnum>();
public readonly Dictionary<DynamicEnum, DynamicEnum> NegCache = new Dictionary<DynamicEnum, DynamicEnum>();
public readonly Dictionary<DynamicEnum, string> CombinedNameCache = new Dictionary<DynamicEnum, string>();
public void ClearCaches() {
this.FlagCache.Clear();
@ -484,6 +489,7 @@ namespace DynamicEnums {
this.AndCache.Clear();
this.XorCache.Clear();
this.NegCache.Clear();
this.CombinedNameCache.Clear();
}
}