47 lines
1.2 KiB
C#
47 lines
1.2 KiB
C#
using System.Collections.Generic;
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using FluentValidation;
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using MfGames.Gallium;
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using MfGames.Nitride.Entities;
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using Zio;
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namespace MfGames.Nitride.IO.Paths;
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/// <summary>
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/// Implements a scanner that gathers up all the direct child files
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/// and folders underneath a given path.
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/// </summary>
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[WithProperties]
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public partial class DirectChildPathScanner : EntityScanner
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{
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/// <inheritdoc />
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public DirectChildPathScanner(IValidator<EntityScanner> validator)
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: base(validator)
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{
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this.GetKeysFromEntity = this.InternalGetKeysFromEntity;
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}
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private IEnumerable<string>? InternalGetKeysFromEntity(Entity entity)
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{
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// Get the path for the entity. If we don't have a path, then there
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// is nothing to do.
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if (!entity.TryGet(out UPath path))
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{
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return null;
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}
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// If we are a root path, then we don't have a parent.
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if (path.IsEmpty || path.IsNull || path == "/")
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{
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return null;
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}
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// If we are using directory indexes, skip when we have an index root.
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// Otherwise, get the parent and use that as the key.
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return path.GetDirectoryIndexPath() == "/" ? null : new[] { path.GetParentDirectoryIndexPath() };
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}
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}
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