51 lines
1.7 KiB
C#
51 lines
1.7 KiB
C#
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using System.Runtime.CompilerServices;
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namespace OECS;
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/// <summary>
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/// Registry of component types discovered at compile time by the
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/// OECS.SourceGen incremental generator. The consuming project's
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/// generated code populates this via a module initializer, so no
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/// manual registration is needed.
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/// </summary>
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public static class ComponentRegistry
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{
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private static ComponentDescriptor[]? _descriptors;
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private static Dictionary<string, ComponentDescriptor>? _byTypeName;
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/// <summary>
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/// All discovered component descriptors. Populated automatically
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/// by the source generator at module initialization.
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/// </summary>
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public static ComponentDescriptor[] Descriptors =>
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_descriptors ?? Array.Empty<ComponentDescriptor>();
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/// <summary>
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/// Lookup by assembly-qualified type name. Populated automatically
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/// by the source generator at module initialization.
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/// </summary>
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public static IReadOnlyDictionary<string, ComponentDescriptor> ByTypeName
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{
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get
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{
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if (_byTypeName == null)
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{
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var dict = new Dictionary<string, ComponentDescriptor>();
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foreach (var desc in Descriptors)
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dict[desc.TypeName] = desc;
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_byTypeName = dict;
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}
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return _byTypeName;
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}
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}
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/// <summary>
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/// Called by generated code to register discovered component types.
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/// Must be called before any serialization occurs.
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/// </summary>
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public static void Initialize(ComponentDescriptor[] descriptors)
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{
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_descriptors = descriptors;
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_byTypeName = null; // Rebuild on next access.
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}
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}
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