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// <auto-generated/>
#nullable enable
#pragma warning disable
namespace Microsoft.AspNetCore.Routing.Constraints
{
partial class AlphaRouteConstraint
{
/// <remarks>
/// Pattern:<br/>
/// <code>^[A-Za-z]*$</code><br/>
/// Explanation:<br/>
/// <code>
/// ○ Match if at the beginning of the string.<br/>
/// ○ Match an ASCII letter atomically any number of times.<br/>
/// ○ Match if at the end of the string or if before an ending newline.<br/>
/// </code>
/// </remarks>
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "10.0.13.702")]
private static partial global::System.Text.RegularExpressions.Regex AlphaRouteRegex => global::System.Text.RegularExpressions.Generated.AlphaRouteRegex_0.Instance;
}
}
namespace System.Text.RegularExpressions.Generated
{
using System;
using System.Buffers;
using System.CodeDom.Compiler;
using System.Collections;
using System.ComponentModel;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Text.RegularExpressions;
using System.Threading;
/// <summary>Custom <see cref="Regex"/>-derived type for the AlphaRouteRegex method.</summary>
[GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "10.0.13.702")]
[SkipLocalsInit]
file sealed class AlphaRouteRegex_0 : Regex
{
/// <summary>Cached, thread-safe singleton instance.</summary>
internal static readonly AlphaRouteRegex_0 Instance = new();
/// <summary>Initializes the instance.</summary>
private AlphaRouteRegex_0()
{
base.pattern = "^[A-Za-z]*$";
base.roptions = RegexOptions.None;
ValidateMatchTimeout(Utilities.s_defaultTimeout);
base.internalMatchTimeout = Utilities.s_defaultTimeout;
base.factory = new RunnerFactory();
base.capsize = 1;
}
/// <summary>Provides a factory for creating <see cref="RegexRunner"/> instances to be used by methods on <see cref="Regex"/>.</summary>
private sealed class RunnerFactory : RegexRunnerFactory
{
/// <summary>Creates an instance of a <see cref="RegexRunner"/> used by methods on <see cref="Regex"/>.</summary>
protected override RegexRunner CreateInstance() => new Runner();
/// <summary>Provides the runner that contains the custom logic implementing the specified regular expression.</summary>
private sealed class Runner : RegexRunner
{
/// <summary>Scan the <paramref name="inputSpan"/> starting from base.runtextstart for the next match.</summary>
/// <param name="inputSpan">The text being scanned by the regular expression.</param>
protected override void Scan(ReadOnlySpan<char> inputSpan)
{
// The pattern is anchored. Validate the current position and try to match at it only.
if (TryFindNextPossibleStartingPosition(inputSpan) && !TryMatchAtCurrentPosition(inputSpan))
{
base.runtextpos = inputSpan.Length;
}
}
/// <summary>Search <paramref name="inputSpan"/> starting from base.runtextpos for the next location a match could possibly start.</summary>
/// <param name="inputSpan">The text being scanned by the regular expression.</param>
/// <returns>true if a possible match was found; false if no more matches are possible.</returns>
private bool TryFindNextPossibleStartingPosition(ReadOnlySpan<char> inputSpan)
{
int pos = base.runtextpos;
// The pattern leads with a beginning (\A) anchor.
if (pos == 0)
{
return true;
}
// No match found.
base.runtextpos = inputSpan.Length;
return false;
}
/// <summary>Determine whether <paramref name="inputSpan"/> at base.runtextpos is a match for the regular expression.</summary>
/// <param name="inputSpan">The text being scanned by the regular expression.</param>
/// <returns>true if the regular expression matches at the current position; otherwise, false.</returns>
private bool TryMatchAtCurrentPosition(ReadOnlySpan<char> inputSpan)
{
int pos = base.runtextpos;
int matchStart = pos;
ReadOnlySpan<char> slice = inputSpan.Slice(pos);
// Match if at the beginning of the string.
if (pos != 0)
{
return false; // The input didn't match.
}
// Match an ASCII letter atomically any number of times.
{
int iteration = slice.IndexOfAnyExcept(Utilities.s_asciiLetters);
if (iteration < 0)
{
iteration = slice.Length;
}
slice = slice.Slice(iteration);
pos += iteration;
}
// Match if at the end of the string or if before an ending newline.
if (pos < inputSpan.Length - 1 || ((uint)pos < (uint)inputSpan.Length && inputSpan[pos] != '\n'))
{
return false; // The input didn't match.
}
// The input matched.
base.runtextpos = pos;
base.Capture(0, matchStart, pos);
return true;
}
}
}
}
/// <summary>Helper methods used by generated <see cref="Regex"/>-derived implementations.</summary>
[GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "10.0.13.702")]
file static class Utilities
{
/// <summary>Default timeout value set in <see cref="AppContext"/>, or <see cref="Regex.InfiniteMatchTimeout"/> if none was set.</summary>
internal static readonly TimeSpan s_defaultTimeout = AppContext.GetData("REGEX_DEFAULT_MATCH_TIMEOUT") is TimeSpan timeout ? timeout : Regex.InfiniteMatchTimeout;
/// <summary>Whether <see cref="s_defaultTimeout"/> is non-infinite.</summary>
internal static readonly bool s_hasTimeout = s_defaultTimeout != Regex.InfiniteMatchTimeout;
/// <summary>Supports searching for characters in or not in "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".</summary>
internal static readonly SearchValues<char> s_asciiLetters = SearchValues.Create("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
}
}
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