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//
// HtmlParser.cs
//
// Author:
// Michael Hutchinson <mhutchinson@novell.com>
//
// Copyright (C) 2008 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.IO;
using MonoDevelop.Ide.TypeSystem;
using MonoDevelop.Projects;
using MonoDevelop.Xml.Dom;
using MonoDevelop.Xml.Parser;
using MonoDevelop.AspNet.Html.Parser;
using MonoDevelop.Core.Text;
namespace MonoDevelop.AspNet.Html
{
public class HtmlParser : TypeSystemParser
{
public override System.Threading.Tasks.Task<ParsedDocument> Parse (ParseOptions parseOptions, System.Threading.CancellationToken cancellationToken)
{
var doc = new MonoDevelop.Xml.Editor.XmlParsedDocument (parseOptions.FileName);
doc.Flags = ParsedDocumentFlags.NonSerializable;
try {
var xmlParser = new XmlParser (
new XmlRootState (new HtmlTagState (), new HtmlClosingTagState (true)),
true);
xmlParser.Parse (parseOptions.Content.CreateReader ());
doc.XDocument = xmlParser.Nodes.GetRoot ();
doc.AddRange (xmlParser.Errors);
if (doc.XDocument != null)
doc.AddRange (Validate (doc.XDocument));
}
catch (Exception ex) {
MonoDevelop.Core.LoggingService.LogError ("Unhandled error parsing HTML document", ex);
}
return System.Threading.Tasks.Task.FromResult((ParsedDocument)doc);
}
IEnumerable<Error> Validate (XDocument doc)
{
foreach (XNode node in doc.Nodes) {
if (node is XElement && !Object.ReferenceEquals (node, doc.RootElement)) {
yield return new Error (ErrorType.Warning, "More than one root element", node.Region);
}
}
}
}
}
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