Joseph Doherty
50 lines
2.1 KiB
C#
50 lines
2.1 KiB
C#
using ScadaLink.CentralUI.ScriptAnalysis;
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namespace ScadaLink.CentralUI.Components.Shared;
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/// <summary>
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/// Maps the trigger editors' flattened <see cref="AlarmAttributeChoice"/> list
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/// into the metadata the <see cref="MonacoEditor"/> uses to drive C# completion
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/// inside an expression trigger:
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/// <list type="bullet">
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/// <item>Direct + Inherited choices become <see cref="AttributeShape"/>s,
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/// surfaced under <c>Attributes["..."]</c>.</item>
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/// <item>Composed choices — whose canonical name is dotted, e.g.
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/// <c>CoolingTank.Temp</c> — are grouped by their composition-instance prefix
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/// into <see cref="CompositionContext"/>s, surfaced under
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/// <c>Children["..."].Attributes["..."]</c>.</item>
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/// </list>
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/// </summary>
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public static class TriggerAttributeMapper
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{
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/// <summary>Direct and inherited attributes, exposed as <c>Attributes["..."]</c>.</summary>
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public static IReadOnlyList<AttributeShape> SelfAttributes(
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IReadOnlyList<AlarmAttributeChoice> choices) =>
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choices
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.Where(c => c.Source is "Direct" or "Inherited")
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.Select(c => new AttributeShape(c.CanonicalName, c.DataType))
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.ToList();
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/// <summary>
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/// Composed attributes grouped by composition-instance name, exposed as
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/// <c>Children["X"].Attributes["Y"]</c>. Entries without a dotted prefix
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/// are skipped (no child scope to attach them to).
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/// </summary>
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public static IReadOnlyList<CompositionContext> Children(
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IReadOnlyList<AlarmAttributeChoice> choices) =>
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choices
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.Where(c => c.Source == "Composed" && c.CanonicalName.Contains('.'))
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.Select(c => new
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{
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Child = c.CanonicalName[..c.CanonicalName.IndexOf('.')],
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Member = c.CanonicalName[(c.CanonicalName.IndexOf('.') + 1)..],
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c.DataType
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})
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.GroupBy(x => x.Child, StringComparer.Ordinal)
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.Select(g => new CompositionContext(
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g.Key,
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g.Select(x => new AttributeShape(x.Member, x.DataType)).ToList(),
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Array.Empty<ScriptShape>()))
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.ToList();
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}
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