using System;
using System.Collections.Generic;
using System.Security.Permissions;
using AspClassic.Scripting.Runtime;

namespace AspClassic.Scripting.Hosting;

public sealed class TokenCategorizer : MarshalByRefObject
{
	private readonly TokenizerService _tokenizer;

	public object CurrentState => _tokenizer.CurrentState;

	public SourceLocation CurrentPosition => _tokenizer.CurrentPosition;

	public bool IsRestartable => _tokenizer.IsRestartable;

	public ErrorSink ErrorSink
	{
		get
		{
			return _tokenizer.ErrorSink;
		}
		set
		{
			_tokenizer.ErrorSink = value;
		}
	}

	internal TokenCategorizer(TokenizerService tokenizer)
	{
		_tokenizer = tokenizer;
	}

	public void Initialize(object state, ScriptSource scriptSource, SourceLocation initialLocation)
	{
		_tokenizer.Initialize(state, scriptSource.SourceUnit.GetReader(), scriptSource.SourceUnit, initialLocation);
	}

	public TokenInfo ReadToken()
	{
		return _tokenizer.ReadToken();
	}

	public bool SkipToken()
	{
		return _tokenizer.SkipToken();
	}

	public IEnumerable<TokenInfo> ReadTokens(int characterCount)
	{
		return _tokenizer.ReadTokens(characterCount);
	}

	public bool SkipTokens(int characterCount)
	{
		return _tokenizer.SkipTokens(characterCount);
	}

	[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.Infrastructure)]
	public override object InitializeLifetimeService()
	{
		return null;
	}
}