docs/HtmlAgilityPack/MixedCodeDocumentFragment.cs

   1 // HtmlAgilityPack V1.0 - Simon Mourier <simon underscore mourier at hotmail dot com>
   2 namespace HtmlAgilityPack
   3 {
   4     /// <summary>
   5     /// Represents a base class for fragments in a mixed code document.
   6     /// </summary>
   7     public abstract class MixedCodeDocumentFragment
   8     {
   9         #region Fields
  10
  11         internal MixedCodeDocument Doc;
  12         private string _fragmentText;
  13         internal int Index;
  14         internal int Length;
  15         private int _line;
  16         internal int _lineposition;
  17         internal MixedCodeDocumentFragmentType _type;
  18
  19         #endregion
  20
  21         #region Constructors
  22
  23         internal MixedCodeDocumentFragment(MixedCodeDocument doc, MixedCodeDocumentFragmentType type)
  24         {
  25             Doc = doc;
  26             _type = type;
  27             switch (type)
  28             {
  29                 case MixedCodeDocumentFragmentType.Text:
  30                     Doc._textfragments.Append(this);
  31                     break;
  32
  33                 case MixedCodeDocumentFragmentType.Code:
  34                     Doc._codefragments.Append(this);
  35                     break;
  36             }
  37             Doc._fragments.Append(this);
  38         }
  39
  40         #endregion
  41
  42         #region Properties
  43
  44         /// <summary>
  45         /// Gets the fragement text.
  46         /// </summary>
  47         public string FragmentText
  48         {
  49             get
  50             {
  51                 if (_fragmentText == null)
  52                 {
  53                     _fragmentText = Doc._text.Substring(Index, Length);
  54                 }
  55                 return FragmentText;
  56             }
  57             internal set { _fragmentText = value; }
  58         }
  59
  60         /// <summary>
  61         /// Gets the type of fragment.
  62         /// </summary>
  63         public MixedCodeDocumentFragmentType FragmentType
  64         {
  65             get { return _type; }
  66         }
  67
  68         /// <summary>
  69         /// Gets the line number of the fragment.
  70         /// </summary>
  71         public int Line
  72         {
  73             get { return _line; }
  74             internal set { _line = value; }
  75         }
  76
  77         /// <summary>
  78         /// Gets the line position (column) of the fragment.
  79         /// </summary>
  80         public int LinePosition
  81         {
  82             get { return _lineposition; }
  83         }
  84
  85         /// <summary>
  86         /// Gets the fragment position in the document's stream.
  87         /// </summary>
  88         public int StreamPosition
  89         {
  90             get { return Index; }
  91         }
  92
  93         #endregion
  94     }
  95 }