source: branches/HeuristicLab.Problems.GrammaticalOptimization/SharpVectorCss/Css/CssUnknownRule.cs @ 13757

// <developer>niklas@protocol7.com</developer>
// <completed>100</completed>

using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;

namespace SharpVectors.Dom.Css
{
  /// <summary>
  /// The CSSUnknownRule interface represents an at-rule not supported by this user agent.
  /// </summary>
    public sealed class CssUnknownRule : CssRule, ICssUnknownRule
  { 
    #region Static members

    // TODO: should also find blocks
    private static Regex regex = new Regex(@"^@[^;]+;");

    internal static CssRule Parse(ref string css, object parent, bool readOnly,
            IList<string> replacedStrings, CssStyleSheetType origin)
    {
      Match match = regex.Match(css);
      if(match.Success)
      {
        CssUnknownRule rule = new CssUnknownRule(parent, readOnly, replacedStrings, origin);
        css = css.Substring(match.Length);
        return rule;
      }
      else
      {
        // didn't match => do nothing
        return null;
      }
    }

    #endregion

    #region Constructors

    /// <summary>
    /// The constructor for CssUnknownRule
    /// </summary>
    internal CssUnknownRule(object parent, bool readOnly,
            IList<string> replacedStrings, CssStyleSheetType origin)
            : base(parent, readOnly, replacedStrings, origin)
    {
    }

    #endregion

    #region Implementation of ICssRule
    /// <summary>
    /// The type of the rule. The expectation is that binding-specific casting methods can be used to cast down from an instance of the CSSRule interface to the specific derived interface implied by the type.
    /// </summary>
    public override CssRuleType Type
    {
      get
      {
        return CssRuleType.UnknownRule;
      }
    }
    #endregion
  }
}