// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

#nullable disable

using System.Globalization;
using Microsoft.CodeAnalysis.Collections;
using Microsoft.CodeAnalysis.Shared.Collections;

namespace Microsoft.CodeAnalysis.PatternMatching;

internal abstract partial class PatternMatcher
{
    internal sealed partial class SimplePatternMatcher : PatternMatcher
    {
        private PatternSegment _fullPatternSegment;

        public SimplePatternMatcher(
            string pattern,
            CultureInfo culture,
            bool includeMatchedSpans)
            : base(includeMatchedSpans, culture)
        {
            pattern = pattern.Trim();

            _fullPatternSegment = new PatternSegment(pattern);
            _invalidPattern = _fullPatternSegment.IsInvalid;
        }

        public override void Dispose()
        {
            base.Dispose();
            _fullPatternSegment.Dispose();
        }

        /// <summary>
        /// Determines if a given candidate string matches under a multiple word query text, as you
        /// would find in features like Navigate To.
        /// </summary>
        /// <returns>If this was a match, a set of match types that occurred while matching the
        /// patterns. If it was not a match, it returns null.</returns>
        protected override bool AddMatchesWorker(string candidate, ref TemporaryArray<PatternMatch> matches)
            => MatchPatternSegment(candidate, ref _fullPatternSegment, ref matches);

    }
}