58 lines
1.3 KiB
C#
58 lines
1.3 KiB
C#
using System.Collections.Generic;
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using FluentValidation;
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using MfGames.Gallium;
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using Zio;
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namespace MfGames.Nitride.IO.Paths;
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/// <summary>
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/// An operation that removes a path prefix from the input.
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/// </summary>
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[WithProperties]
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public partial class RemovePathPrefix : IOperation
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{
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private readonly ReplacePath replacePath;
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private readonly IValidator<RemovePathPrefix> validator;
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public RemovePathPrefix(
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IValidator<RemovePathPrefix> validator,
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ReplacePath replacePath)
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{
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this.validator = validator;
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this.replacePath = replacePath;
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}
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/// <summary>
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/// Gets or sets the prefix for the path operations.
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/// </summary>
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public UPath PathPrefix { get; set; }
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public IEnumerable<Entity> Run(IEnumerable<Entity> input)
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{
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this.validator.ValidateAndThrow(this);
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return this.replacePath.WithReplacement(this.RunReplacement)
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.Run(input);
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}
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private UPath RunReplacement(
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Entity _,
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UPath path)
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{
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string normalized = path.ToString();
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string prefix = this.PathPrefix.ToString()!;
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if (normalized.StartsWith(prefix))
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{
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return (UPath)path.ToString()
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.Substring(prefix.Length);
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}
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return path;
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}
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}
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