using System.Text.RegularExpressions;

namespace JavaToCSharp;

public class Replacement(string pattern, string replacement, RegexOptions options = RegexOptions.None)

{

public Regex Regex { get; } = new(pattern, options);

public string? ReplacementValue { get; } = replacement;

public string Replace(string input)

=> string.IsNullOrWhiteSpace(ReplacementValue)

? string.Empty

: Regex.Replace(input, ReplacementValue);

protected bool Equals(Replacement other)

=> Equals(Regex, other.Regex) && ReplacementValue == other.ReplacementValue;

public override bool Equals(object? obj)

{

if (obj is null) return false;

if (ReferenceEquals(this, obj)) return true;

if (obj.GetType() != GetType()) return false;

return Equals((Replacement) obj);

}

public override int GetHashCode()

=> HashCode.Combine(Regex, ReplacementValue);

}