// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Threading;
 
namespace Microsoft.AspNetCore.Razor.Language.Legacy;
 
internal class RazorParser
{
    public RazorParser()
        : this(RazorParserOptions.Default)
    {
    }
 
    public RazorParser(RazorParserOptions options)
    {
        ArgHelper.ThrowIfNull(options);
 
        Options = options;
    }
 
    public RazorParserOptions Options { get; }
 
    public virtual RazorSyntaxTree Parse(RazorSourceDocument source, CancellationToken cancellationToken = default)
    {
        ArgHelper.ThrowIfNull(source);
 
        using var context = new ParserContext(source, Options, cancellationToken);
        using var codeParser = new CSharpCodeParser(Options.Directives, context);
        using var markupParser = new HtmlMarkupParser(context);
 
        codeParser.HtmlParser = markupParser;
        markupParser.CodeParser = codeParser;
 
        var root = markupParser.ParseDocument().CreateRed();
        var diagnostics = context.ErrorSink.GetErrorsAndClear();
 
        return new RazorSyntaxTree(root, source, diagnostics, Options);
    }
}