Skip to content

Implement ISeekable in WhiteSpaceLiteral #285

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Nov 24, 2025
Merged

Implement ISeekable in WhiteSpaceLiteral #285

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
21 changes: 20 additions & 1 deletion src/Parlot/Fluent/WhiteSpaceLiteral.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,16 +1,35 @@
using Parlot.Compilation;
using Parlot.Rewriting;
using System.Linq.Expressions;

namespace Parlot.Fluent;

public sealed class WhiteSpaceLiteral : Parser<TextSpan>, ICompilable
public sealed class WhiteSpaceLiteral : Parser<TextSpan>, ICompilable, ISeekable
{
private readonly bool _includeNewLines;

private static char[] _whiteSpaceChars =>
[
'\u0009', '\u000C', '\u0020', '\u00A0', '\u1680', '\u180E', '\u2000', '\u2001', '\u2002', '\u2003', '\u2004', '\u2005', '\u2006', '\u2007', '\u2008', '\u2009', '\u200A', '\u202F', '\u205F', '\u3000', '\uFEFF'
];

private static char[] _whiteSpaceOrNewLineChars =>
[
'\u0009', '\u000A', '\u000B', '\u000C', '\u000D', '\u0020', '\u00A0', '\u1680', '\u180E', '\u2000', '\u2001', '\u2002', '\u2003', '\u2004', '\u2005', '\u2006', '\u2007', '\u2008', '\u2009', '\u200A', '\u202F', '\u205F', '\u3000', '\uFEFF'
];

public bool CanSeek { get; } = true;

public char[] ExpectedChars {get; private set;}

public bool SkipWhitespace { get; }

public WhiteSpaceLiteral(bool includeNewLines)
{
_includeNewLines = includeNewLines;

ExpectedChars = includeNewLines ? _whiteSpaceOrNewLineChars : _whiteSpaceChars;

Name = "WhiteSpaceLiteral";
}

Expand Down