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Code Issues Releases Wiki Activity

Update OptionalSet implementation to intersect across multiple filters rather than union

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This commit is contained in:
Bartłomiej Dach 2024-03-26 12:20:38 +01:00
parent c24eb066dc
commit e52d51cd0a
No known key found for this signature in database
2 changed files with 56 additions and 39 deletions

9
osu.Game/Screens/Select/FilterCriteria.cs

@ -114,17 +114,18 @@ namespace osu.Game.Screens.Select
public IRulesetFilterCriteria? RulesetCriteria { get; set; }
public struct OptionalSet<T> : IEquatable<OptionalSet<T>>
where T : struct
public readonly struct OptionalSet<T> : IEquatable<OptionalSet<T>>
where T : struct, Enum
{
public bool HasFilter => Values.Count > 0;
public bool HasFilter => true;
public bool IsInRange(T value) => Values.Contains(value);
public HashSet<T> Values = new HashSet<T>();
public HashSet<T> Values { get; }
public OptionalSet()
{
Values = Enum.GetValues<T>().ToHashSet();
}
public bool Equals(OptionalSet<T> other) => Values.SetEquals(other.Values);

86
osu.Game/Screens/Select/FilterQueryParser.cs

@ -69,7 +69,7 @@ namespace osu.Game.Screens.Select
return TryUpdateCriteriaRange(ref criteria.BeatDivisor, op, value, tryParseInt);
case "status":
return TryUpdateCriteriaSet(ref criteria.OnlineStatus, op, value, tryParseEnum);
return TryUpdateCriteriaSet(ref criteria.OnlineStatus, op, value);
case "creator":
case "author":
@ -302,54 +302,70 @@ namespace osu.Game.Screens.Select
/// <summary>
/// Attempts to parse a keyword filter of type <typeparamref name="T"/>,
/// from the specified <paramref name="op"/> and <paramref name="val"/>.
/// If <paramref name="val"/> can be parsed into <typeparamref name="T"/> using <paramref name="parseFunction"/>, the function returns <c>true</c>
/// from the specified <paramref name="op"/> and <paramref name="filterValue"/>.
/// If <paramref name="filterValue"/> can be parsed successfully, the function returns <c>true</c>
/// and the resulting range constraint is stored into the <paramref name="range"/>'s expected values.
/// </summary>
/// <param name="range">The <see cref="FilterCriteria.OptionalSet{T}"/> to store the parsed data into, if successful.</param>
/// <param name="op">The operator for the keyword filter.</param>
/// <param name="val">The value of the keyword filter.</param>
/// <param name="parseFunction">Function used to determine if <paramref name="val"/> can be converted to type <typeparamref name="T"/>.</param>
public static bool TryUpdateCriteriaSet<T>(ref FilterCriteria.OptionalSet<T> range, Operator op, string val, TryParseFunction<T> parseFunction)
where T : struct, Enum
=> parseFunction.Invoke(val, out var converted) && tryUpdateCriteriaSet(ref range, op, converted);
private static bool tryUpdateCriteriaSet<T>(ref FilterCriteria.OptionalSet<T> range, Operator op, T pivotValue)
/// <param name="filterValue">The value of the keyword filter.</param>
public static bool TryUpdateCriteriaSet<T>(ref FilterCriteria.OptionalSet<T> range, Operator op, string filterValue)
where T : struct, Enum
{
var allDefinedValues = Enum.GetValues<T>();
var matchingValues = new HashSet<T>();
foreach (var val in allDefinedValues)
if (op == Operator.Equal && filterValue.Contains(','))
{
int compareResult = Comparer<T>.Default.Compare(val, pivotValue);
string[] splitValues = filterValue.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
switch (op)
foreach (string splitValue in splitValues)
{
case Operator.Less:
if (compareResult < 0) range.Values.Add(val);
break;
case Operator.LessOrEqual:
if (compareResult <= 0) range.Values.Add(val);
break;
case Operator.Equal:
if (compareResult == 0) range.Values.Add(val);
break;
case Operator.GreaterOrEqual:
if (compareResult >= 0) range.Values.Add(val);
break;
case Operator.Greater:
if (compareResult > 0) range.Values.Add(val);
break;
default:
if (!tryParseEnum<T>(splitValue, out var parsedValue))
return false;
matchingValues.Add(parsedValue);
}
}
else
{
if (!tryParseEnum<T>(filterValue, out var pivotValue))
return false;
var allDefinedValues = Enum.GetValues<T>();
foreach (var val in allDefinedValues)
{
int compareResult = Comparer<T>.Default.Compare(val, pivotValue);
switch (op)
{
case Operator.Less:
if (compareResult < 0) matchingValues.Add(val);
break;
case Operator.LessOrEqual:
if (compareResult <= 0) matchingValues.Add(val);
break;
case Operator.Equal:
if (compareResult == 0) matchingValues.Add(val);
break;
case Operator.GreaterOrEqual:
if (compareResult >= 0) matchingValues.Add(val);
break;
case Operator.Greater:
if (compareResult > 0) matchingValues.Add(val);
break;
default:
return false;
}
}
}
range.Values.IntersectWith(matchingValues);
return true;
}