mcs/class/System.Web/System.Web.UI/HtmlTextWriter.cs

   1 /*      System.Web.UI\r
   2 *       Authors\r
   3 *               Leen Toelen (toelen@hotmail.com)\r
   4 */\r
   5 \r
   6 using System;\r
   7 using System.IO;\r
   8 using System.Collections;\r
   9 using System.Web;\r
  10 using System.Web.UI;\r
  11 \r
  12 namespace System.Web.UI{\r
  13 \r
  14 public class HtmlTextWriter : System.IO.TextWriter {\r
  15 \r
  16 static HtmlTextWriter(){\r
  17         HtmlTextWriter._tagKeyLookupTable = new Hashtable(97);\r
  18         HtmlTextWriter._tagNameLookupArray = new TagInformation[97];\r
  19         HtmlTextWriter.RegisterTag("", HtmlTextWriterTag.Unknown, TagType.Other);\r
  20         HtmlTextWriter.RegisterTag("a", HtmlTextWriterTag.A, TagType.Inline);\r
  21         HtmlTextWriter.RegisterTag("acronym", HtmlTextWriterTag.Acronym, TagType.Inline);\r
  22         HtmlTextWriter.RegisterTag("address", HtmlTextWriterTag.Address, TagType.Other);\r
  23         HtmlTextWriter.RegisterTag("area", HtmlTextWriterTag.Area, TagType.Other);\r
  24         HtmlTextWriter.RegisterTag("b", HtmlTextWriterTag.B, TagType.Inline);\r
  25         HtmlTextWriter.RegisterTag("base", HtmlTextWriterTag.Base, TagType.NonClosing);\r
  26         HtmlTextWriter.RegisterTag("basefont", HtmlTextWriterTag.Basefont, TagType.NonClosing);\r
  27         HtmlTextWriter.RegisterTag("bdo", HtmlTextWriterTag.Bdo, TagType.Inline);\r
  28         HtmlTextWriter.RegisterTag("bgsound", HtmlTextWriterTag.Bgsound, TagType.NonClosing);\r
  29         HtmlTextWriter.RegisterTag("big", HtmlTextWriterTag.Big, TagType.Inline);\r
  30         HtmlTextWriter.RegisterTag("blockquote", HtmlTextWriterTag.Blockquote, TagType.Other);\r
  31         HtmlTextWriter.RegisterTag("body", HtmlTextWriterTag.Body, TagType.Other);\r
  32         HtmlTextWriter.RegisterTag("br", HtmlTextWriterTag.Br, TagType.Other);\r
  33         HtmlTextWriter.RegisterTag("button", HtmlTextWriterTag.Button, TagType.Inline);\r
  34         HtmlTextWriter.RegisterTag("caption", HtmlTextWriterTag.Caption, TagType.Other);\r
  35         HtmlTextWriter.RegisterTag("center", HtmlTextWriterTag.Center, TagType.Other);\r
  36         HtmlTextWriter.RegisterTag("cite", HtmlTextWriterTag.Cite, TagType.Inline);\r
  37         HtmlTextWriter.RegisterTag("code", HtmlTextWriterTag.Code, TagType.Inline);\r
  38         HtmlTextWriter.RegisterTag("col", HtmlTextWriterTag.Col, TagType.NonClosing);\r
  39         HtmlTextWriter.RegisterTag("colgroup", HtmlTextWriterTag.Colgroup, TagType.Other);\r
  40         HtmlTextWriter.RegisterTag("del", HtmlTextWriterTag.Del, TagType.Inline);\r
  41         HtmlTextWriter.RegisterTag("dd", HtmlTextWriterTag.Dd, TagType.Inline);\r
  42         HtmlTextWriter.RegisterTag("dfn", HtmlTextWriterTag.Dfn, TagType.Inline);\r
  43         HtmlTextWriter.RegisterTag("dir", HtmlTextWriterTag.Dir, TagType.Other);\r
  44         HtmlTextWriter.RegisterTag("div", HtmlTextWriterTag.Div, TagType.Other);\r
  45         HtmlTextWriter.RegisterTag("dl", HtmlTextWriterTag.Dl, TagType.Other);\r
  46         HtmlTextWriter.RegisterTag("dt", HtmlTextWriterTag.Dt, TagType.Inline);\r
  47         HtmlTextWriter.RegisterTag("em", HtmlTextWriterTag.Em, TagType.Inline);\r
  48         HtmlTextWriter.RegisterTag("embed", HtmlTextWriterTag.Embed, TagType.NonClosing);\r
  49         HtmlTextWriter.RegisterTag("fieldset", HtmlTextWriterTag.Fieldset, TagType.Other);\r
  50         HtmlTextWriter.RegisterTag("font", HtmlTextWriterTag.Font, TagType.Inline);\r
  51         HtmlTextWriter.RegisterTag("form", HtmlTextWriterTag.Form, TagType.Other);\r
  52         HtmlTextWriter.RegisterTag("frame", HtmlTextWriterTag.Frame, TagType.NonClosing);\r
  53         HtmlTextWriter.RegisterTag("frameset", HtmlTextWriterTag.Frameset, TagType.Other);\r
  54         HtmlTextWriter.RegisterTag("h1", HtmlTextWriterTag.H1, TagType.Other);\r
  55         HtmlTextWriter.RegisterTag("h2", HtmlTextWriterTag.H2, TagType.Other);\r
  56         HtmlTextWriter.RegisterTag("h3", HtmlTextWriterTag.H3, TagType.Other);\r
  57         HtmlTextWriter.RegisterTag("h4", HtmlTextWriterTag.H4, TagType.Other);\r
  58         HtmlTextWriter.RegisterTag("h5", HtmlTextWriterTag.H5, TagType.Other);\r
  59         HtmlTextWriter.RegisterTag("h6", HtmlTextWriterTag.H6, TagType.Other);\r
  60         HtmlTextWriter.RegisterTag("head", HtmlTextWriterTag.Head, TagType.Other);\r
  61         HtmlTextWriter.RegisterTag("hr", HtmlTextWriterTag.Hr, TagType.NonClosing);\r
  62         HtmlTextWriter.RegisterTag("html", HtmlTextWriterTag.Html, TagType.Other);\r
  63         HtmlTextWriter.RegisterTag("i", HtmlTextWriterTag.I, TagType.Inline);\r
  64         HtmlTextWriter.RegisterTag("iframe", HtmlTextWriterTag.Iframe, TagType.Other);\r
  65         HtmlTextWriter.RegisterTag("img", HtmlTextWriterTag.Img, TagType.NonClosing);\r
  66         HtmlTextWriter.RegisterTag("input", HtmlTextWriterTag.Input, TagType.NonClosing);\r
  67         HtmlTextWriter.RegisterTag("ins", HtmlTextWriterTag.Ins, TagType.Inline);\r
  68         HtmlTextWriter.RegisterTag("isindex", HtmlTextWriterTag.Isindex, TagType.NonClosing);\r
  69         HtmlTextWriter.RegisterTag("kbd", HtmlTextWriterTag.Kbd, TagType.Inline);\r
  70         HtmlTextWriter.RegisterTag("label", HtmlTextWriterTag.Label, TagType.Inline);\r
  71         HtmlTextWriter.RegisterTag("legend", HtmlTextWriterTag.Legend, TagType.Other);\r
  72         HtmlTextWriter.RegisterTag("li", HtmlTextWriterTag.Li, TagType.Inline);\r
  73         HtmlTextWriter.RegisterTag("link", HtmlTextWriterTag.Link, TagType.NonClosing);\r
  74         HtmlTextWriter.RegisterTag("map", HtmlTextWriterTag.Map, TagType.Other);\r
  75         HtmlTextWriter.RegisterTag("marquee", HtmlTextWriterTag.Marquee, TagType.Other);\r
  76         HtmlTextWriter.RegisterTag("menu", HtmlTextWriterTag.Menu, TagType.Other);\r
  77         HtmlTextWriter.RegisterTag("meta", HtmlTextWriterTag.Meta, TagType.NonClosing);\r
  78         HtmlTextWriter.RegisterTag("nobr", HtmlTextWriterTag.Nobr, TagType.Inline);\r
  79         HtmlTextWriter.RegisterTag("noframes", HtmlTextWriterTag.Noframes, TagType.Other);\r
  80         HtmlTextWriter.RegisterTag("noscript", HtmlTextWriterTag.Noscript, TagType.Other);\r
  81         HtmlTextWriter.RegisterTag("object", HtmlTextWriterTag.Object, TagType.Other);\r
  82         HtmlTextWriter.RegisterTag("ol", HtmlTextWriterTag.Ol, TagType.Other);\r
  83         HtmlTextWriter.RegisterTag("option", HtmlTextWriterTag.Option, TagType.Other);\r
  84         HtmlTextWriter.RegisterTag("p", HtmlTextWriterTag.P, TagType.Inline);\r
  85         HtmlTextWriter.RegisterTag("param", HtmlTextWriterTag.Param, TagType.Other);\r
  86         HtmlTextWriter.RegisterTag("pre", HtmlTextWriterTag.Pre, TagType.Other);\r
  87         HtmlTextWriter.RegisterTag("q", HtmlTextWriterTag.Q, TagType.Inline);\r
  88         HtmlTextWriter.RegisterTag("rt", HtmlTextWriterTag.Rt, TagType.Other);\r
  89         HtmlTextWriter.RegisterTag("ruby", HtmlTextWriterTag.Ruby, TagType.Other);\r
  90         HtmlTextWriter.RegisterTag("s", HtmlTextWriterTag.S, TagType.Inline);\r
  91         HtmlTextWriter.RegisterTag("samp", HtmlTextWriterTag.Samp, TagType.Inline);\r
  92         HtmlTextWriter.RegisterTag("script", HtmlTextWriterTag.Script, TagType.Other);\r
  93         HtmlTextWriter.RegisterTag("select", HtmlTextWriterTag.Select, TagType.Other);\r
  94         HtmlTextWriter.RegisterTag("small", HtmlTextWriterTag.Small, TagType.Other);\r
  95         HtmlTextWriter.RegisterTag("span", HtmlTextWriterTag.Span, TagType.Inline);\r
  96         HtmlTextWriter.RegisterTag("strike", HtmlTextWriterTag.Strike, TagType.Inline);\r
  97         HtmlTextWriter.RegisterTag("strong", HtmlTextWriterTag.Strong, TagType.Inline);\r
  98         HtmlTextWriter.RegisterTag("style", HtmlTextWriterTag.Style, TagType.Other);\r
  99         HtmlTextWriter.RegisterTag("sub", HtmlTextWriterTag.Sub, TagType.Inline);\r
 100         HtmlTextWriter.RegisterTag("sup", HtmlTextWriterTag.Sup, TagType.Inline);\r
 101         HtmlTextWriter.RegisterTag("table", HtmlTextWriterTag.Table, TagType.Other);\r
 102         HtmlTextWriter.RegisterTag("tbody", HtmlTextWriterTag.Tbody, TagType.Other);\r
 103         HtmlTextWriter.RegisterTag("td", HtmlTextWriterTag.Td, TagType.Inline);\r
 104         HtmlTextWriter.RegisterTag("textarea", HtmlTextWriterTag.Textarea, TagType.Inline);\r
 105         HtmlTextWriter.RegisterTag("tfoot", HtmlTextWriterTag.Tfoot, TagType.Other);\r
 106         HtmlTextWriter.RegisterTag("th", HtmlTextWriterTag.Th, TagType.Inline);\r
 107         HtmlTextWriter.RegisterTag("thead", HtmlTextWriterTag.Thead, TagType.Other);\r
 108         HtmlTextWriter.RegisterTag("title", HtmlTextWriterTag.Title, TagType.Other);\r
 109         HtmlTextWriter.RegisterTag("tr", HtmlTextWriterTag.Tr, TagType.Other);\r
 110         HtmlTextWriter.RegisterTag("tt", HtmlTextWriterTag.Tt, TagType.Inline);\r
 111         HtmlTextWriter.RegisterTag("u", HtmlTextWriterTag.U, TagType.Inline);\r
 112         HtmlTextWriter.RegisterTag("ul", HtmlTextWriterTag.Ul, TagType.Other);\r
 113         HtmlTextWriter.RegisterTag("var", HtmlTextWriterTag.Var, TagType.Inline);\r
 114         HtmlTextWriter.RegisterTag("wbr", HtmlTextWriterTag.Wbr, TagType.NonClosing);\r
 115         HtmlTextWriter.RegisterTag("xml", HtmlTextWriterTag.Xml, TagType.Other);\r
 116 \r
 117         HtmlTextWriter._attrKeyLookupTable = new Hashtable(40);\r
 118         HtmlTextWriter._attrNameLookupArray = new AttributeInformation[40];\r
 119         HtmlTextWriter.RegisterAttribute("accesskey", HtmlTextWriterAttribute.Accesskey, true);\r
 120         HtmlTextWriter.RegisterAttribute("align", HtmlTextWriterAttribute.Align, false);\r
 121         HtmlTextWriter.RegisterAttribute("alt", HtmlTextWriterAttribute.Alt, true);\r
 122         HtmlTextWriter.RegisterAttribute("background", HtmlTextWriterAttribute.Background, true);\r
 123         HtmlTextWriter.RegisterAttribute("bgcolor", HtmlTextWriterAttribute.Bgcolor, false);\r
 124         HtmlTextWriter.RegisterAttribute("border", HtmlTextWriterAttribute.Border, false);\r
 125         HtmlTextWriter.RegisterAttribute("bordercolor", HtmlTextWriterAttribute.Bordercolor, false);\r
 126         HtmlTextWriter.RegisterAttribute("cellpadding", HtmlTextWriterAttribute.Cellpadding, false);\r
 127         HtmlTextWriter.RegisterAttribute("cellspacing", HtmlTextWriterAttribute.Cellspacing, false);\r
 128         HtmlTextWriter.RegisterAttribute("checked", HtmlTextWriterAttribute.Checked, false);\r
 129         HtmlTextWriter.RegisterAttribute("class", HtmlTextWriterAttribute.Class, true);\r
 130         HtmlTextWriter.RegisterAttribute("cols", HtmlTextWriterAttribute.Cols, false);\r
 131         HtmlTextWriter.RegisterAttribute("colspan", HtmlTextWriterAttribute.Colspan, false);\r
 132         HtmlTextWriter.RegisterAttribute("disabled", HtmlTextWriterAttribute.Disabled, false);\r
 133         HtmlTextWriter.RegisterAttribute("for", HtmlTextWriterAttribute.For, false);\r
 134         HtmlTextWriter.RegisterAttribute("height", HtmlTextWriterAttribute.Height, false);\r
 135         HtmlTextWriter.RegisterAttribute("href", HtmlTextWriterAttribute.Href, true);\r
 136         HtmlTextWriter.RegisterAttribute("id", HtmlTextWriterAttribute.Id, false);\r
 137         HtmlTextWriter.RegisterAttribute("maxlength", HtmlTextWriterAttribute.Maxlength, false);\r
 138         HtmlTextWriter.RegisterAttribute("multiple", HtmlTextWriterAttribute.Multiple, false);\r
 139         HtmlTextWriter.RegisterAttribute("name", HtmlTextWriterAttribute.Name, false);\r
 140         HtmlTextWriter.RegisterAttribute("nowrap", HtmlTextWriterAttribute.Nowrap, false);\r
 141         HtmlTextWriter.RegisterAttribute("onchange", HtmlTextWriterAttribute.Onchange, true);\r
 142         HtmlTextWriter.RegisterAttribute("onclick", HtmlTextWriterAttribute.Onclick, true);\r
 143         HtmlTextWriter.RegisterAttribute("readonly", HtmlTextWriterAttribute.ReadOnly, false);\r
 144         HtmlTextWriter.RegisterAttribute("rows", HtmlTextWriterAttribute.Rows, false);\r
 145         HtmlTextWriter.RegisterAttribute("rowspan", HtmlTextWriterAttribute.Rowspan, false);\r
 146         HtmlTextWriter.RegisterAttribute("rules", HtmlTextWriterAttribute.Rules, false);\r
 147         HtmlTextWriter.RegisterAttribute("selected", HtmlTextWriterAttribute.Selected, false);\r
 148         HtmlTextWriter.RegisterAttribute("size", HtmlTextWriterAttribute.Size, false);\r
 149         HtmlTextWriter.RegisterAttribute("src", HtmlTextWriterAttribute.Src, true);\r
 150         HtmlTextWriter.RegisterAttribute("style", HtmlTextWriterAttribute.Style, false);\r
 151         HtmlTextWriter.RegisterAttribute("tabindex", HtmlTextWriterAttribute.Tabindex, false);\r
 152         HtmlTextWriter.RegisterAttribute("target", HtmlTextWriterAttribute.Target, false);\r
 153         HtmlTextWriter.RegisterAttribute("title", HtmlTextWriterAttribute.Title, true);\r
 154         HtmlTextWriter.RegisterAttribute("type", HtmlTextWriterAttribute.Type, false);\r
 155         HtmlTextWriter.RegisterAttribute("valign", HtmlTextWriterAttribute.Valign, false);\r
 156         HtmlTextWriter.RegisterAttribute("value", HtmlTextWriterAttribute.Value, true);\r
 157         HtmlTextWriter.RegisterAttribute("width", HtmlTextWriterAttribute.Width, false);\r
 158         HtmlTextWriter.RegisterAttribute("wrap", HtmlTextWriterAttribute.Wrap, false);\r
 159 \r
 160         HtmlTextWriter._styleKeyLookupTable = new Hashtable(14);\r
 161         HtmlTextWriter._styleNameLookupArray = new String[14];\r
 162         HtmlTextWriter.RegisterStyle("background-color", HtmlTextWriterStyle.BackgroundColor);\r
 163         HtmlTextWriter.RegisterStyle("background-image", HtmlTextWriterStyle.BackgroundImage);\r
 164         HtmlTextWriter.RegisterStyle("border-collapse", HtmlTextWriterStyle.BorderCollapse);\r
 165         HtmlTextWriter.RegisterStyle("border-color", HtmlTextWriterStyle.BorderColor);\r
 166         HtmlTextWriter.RegisterStyle("border-style", HtmlTextWriterStyle.BorderStyle);\r
 167         HtmlTextWriter.RegisterStyle("border-width", HtmlTextWriterStyle.BorderWidth);\r
 168         HtmlTextWriter.RegisterStyle("color", HtmlTextWriterStyle.Color);\r
 169         HtmlTextWriter.RegisterStyle("font-family", HtmlTextWriterStyle.FontFamily);\r
 170         HtmlTextWriter.RegisterStyle("font-size", HtmlTextWriterStyle.FontSize);\r
 171         HtmlTextWriter.RegisterStyle("font-style", HtmlTextWriterStyle.FontStyle);\r
 172         HtmlTextWriter.RegisterStyle("font-weight", HtmlTextWriterStyle.FontWeight);\r
 173         HtmlTextWriter.RegisterStyle("height", HtmlTextWriterStyle.Height);\r
 174         HtmlTextWriter.RegisterStyle("text-decoration", HtmlTextWriterStyle.TextDecoration);\r
 175         HtmlTextWriter.RegisterStyle("width", HtmlTextWriterStyle.Width);\r
 176 }\r
 177 \r
 178 public HtmlTextWriter(TextWriter writer):this(writer, " "){}\r
 179 \r
 180 public HtmlTextWriter(TextWriter writer, string tabString) : base() {\r
 181         this.writer = writer;\r
 182         this.tabString = tabString;\r
 183         indentLevel = 0;\r
 184         tabsPending = false;\r
 185         _httpWriter = writer as HttpWriter;\r
 186         _isDescendant = GetType() == typeof(HtmlTextWriter) == false;\r
 187         _attrList = new RenderAttribute[20];\r
 188         _attrCount = 0;\r
 189         _styleList = new RenderStyle[20];\r
 190         _styleCount = 0;\r
 191         _endTags = new TagStackEntry[16];\r
 192         _endTagCount = 0;\r
 193         _inlineCount = 0;\r
 194 }\r
 195 \r
 196 public virtual void AddAttribute(HtmlTextWriterAttribute key, string value){\r
 197         if ((int) key >= 0 && (int) key < HtmlTextWriter._attrNameLookupArray.Length) {\r
 198                 AttributeInformation attrInfo = HtmlTextWriter._attrNameLookupArray[(int) key];\r
 199                 AddAttribute(attrInfo.name, value, key, attrInfo.encode);\r
 200         }\r
 201 }\r
 202 \r
 203 public virtual void AddAttribute(HtmlTextWriterAttribute key, string value, bool fEncode){\r
 204         if ((int) key >= 0 && (int) key < HtmlTextWriter._attrNameLookupArray.Length) {\r
 205                 AddAttribute(HtmlTextWriter._attrNameLookupArray[(int) key].name, value, key, fEncode);\r
 206         }\r
 207 }\r
 208 \r
 209 public virtual void AddAttribute(string name, string value){\r
 210         HtmlTextWriterAttribute attr = GetAttributeKey(name);\r
 211         value = EncodeAttributeValue(GetAttributeKey(name), value);\r
 212         AddAttribute(name, value, attr);\r
 213 }\r
 214 \r
 215 public virtual void AddAttribute(string name, string value, bool fEndode){\r
 216         value = EncodeAttributeValue(value, fEndode);\r
 217         AddAttribute(name, value, GetAttributeKey(name));\r
 218 }\r
 219 \r
 220 protected virtual void AddAttribute(string name, string value, HtmlTextWriterAttribute key){\r
 221         AddAttribute(name, value, key, false);\r
 222 }\r
 223 \r
 224 private void AddAttribute(string name, string value, HtmlTextWriterAttribute key, bool encode){\r
 225         if (_attrCount >= (int) _attrList.Length) {\r
 226                 RenderAttribute[] rAttrArr = new RenderAttribute[_attrList.Length * 2];\r
 227                 System.Array.Copy(_attrList, rAttrArr, (int) _attrList.Length);\r
 228                 _attrList = rAttrArr;\r
 229         }\r
 230         RenderAttribute rAttr;\r
 231         rAttr.name = name;\r
 232         rAttr.value = value;\r
 233         rAttr.key = key;\r
 234         rAttr.encode = encode;\r
 235         _attrList [_attrCount++] = rAttr;\r
 236 }\r
 237 \r
 238 public virtual void AddStyleAttribute(HtmlTextWriterStyle key, string value){\r
 239         AddStyleAttribute(GetStyleName(key), value, key);\r
 240 }\r
 241 \r
 242 public virtual void AddStyleAttribute(string name, string value){\r
 243         AddStyleAttribute(name, value, GetStyleKey(name));\r
 244 }\r
 245 \r
 246 protected virtual void AddStyleAttribute(string name, string value, HtmlTextWriterStyle key){\r
 247         RenderStyle[] tagRender;\r
 248         RenderStyle beforeTag;\r
 249 \r
 250         if (_styleCount > (int) _styleList.Length) {\r
 251                 RenderStyle[] rAttrArr = new RenderStyle[_styleList.Length * 2];\r
 252                 System.Array.Copy(_styleList, rAttrArr, (int) _styleList.Length);\r
 253                 _styleList = rAttrArr;\r
 254         }\r
 255         RenderStyle rAttr;\r
 256         rAttr.name = name;\r
 257         rAttr.value = value;\r
 258         rAttr.key = key;\r
 259         _styleCount++;\r
 260 }\r
 261 \r
 262 public override void Close(){\r
 263         writer.Close();\r
 264 }\r
 265 \r
 266 protected virtual string EncodeAttributeValue(HtmlTextWriterAttribute attrKey, string value){\r
 267         bool valid = true;\r
 268         if (0 <= (int) attrKey && (int) attrKey < HtmlTextWriter._attrNameLookupArray.Length)\r
 269                 valid = HtmlTextWriter._attrNameLookupArray[(int) attrKey].encode;\r
 270         return EncodeAttributeValue(value, valid);\r
 271 }\r
 272 \r
 273 protected string EncodeAttributeValue(string value, bool fEncode){\r
 274         if (value == null)\r
 275                 return null;\r
 276         if (!(fEncode))\r
 277                 return value;\r
 278         return System.Web.HttpUtility.HtmlAttributeEncode(value);\r
 279 }\r
 280 \r
 281 protected string EncodeUrl(string url){\r
 282         if (url.IndexOf(SpaceChar) < 0)\r
 283                 return url;\r
 284         System.Text.StringBuilder sb = new System.Text.StringBuilder();\r
 285         for(int i=0; i <= url.Length; i++){\r
 286                 char temp = url[i];\r
 287                 if (temp != 32)\r
 288                         sb.Append(temp);\r
 289                 else\r
 290                         sb.Append("%20");\r
 291         }\r
 292         return sb.ToString();\r
 293 }\r
 294 \r
 295 protected virtual void FilterAttributes(){\r
 296         int count = 0;\r
 297         for(int i=0; i <= _styleCount; i++){\r
 298                 RenderStyle rStyle = _styleList[i];\r
 299                 if (OnStyleAttributeRender(rStyle.name, rStyle.value, rStyle.key)) {\r
 300                         count++;\r
 301                 }\r
 302         }\r
 303         _styleCount = count;\r
 304         count = 0;\r
 305         for(int i=0; i <= _attrCount; i++){\r
 306                 RenderAttribute rAttr = _attrList[i];\r
 307                 if (OnAttributeRender(rAttr.name, rAttr.value, rAttr.key)) {\r
 308                         count++;\r
 309                 }\r
 310         }\r
 311         _attrCount = count;\r
 312 }\r
 313 \r
 314 public override void Flush(){\r
 315         writer.Flush();\r
 316 }\r
 317 \r
 318 protected HtmlTextWriterAttribute GetAttributeKey(string attrName){\r
 319         if (attrName != null && attrName.Length > 0) {\r
 320                 object attr = HtmlTextWriter._attrKeyLookupTable[attrName.ToLower()];\r
 321                 if (attr != null)\r
 322                         return (HtmlTextWriterAttribute) attr;\r
 323         }\r
 324         return (HtmlTextWriterAttribute) (-1);\r
 325 }\r
 326 \r
 327 protected string GetAttributeName(HtmlTextWriterAttribute attrKey){\r
 328         if ((int) attrKey >= 0 && (int) attrKey < HtmlTextWriter._attrNameLookupArray.Length)\r
 329                 return HtmlTextWriter._attrNameLookupArray[(int) attrKey].name;\r
 330         return System.String.Empty;\r
 331 }\r
 332 \r
 333 protected HtmlTextWriterStyle GetStyleKey(string styleName){\r
 334         if (styleName != null && styleName.Length > 0) {\r
 335                 object style = HtmlTextWriter._styleKeyLookupTable[styleName.ToLower()];\r
 336                 if (style != null)\r
 337                         return (HtmlTextWriterStyle) style;\r
 338         }\r
 339         return (HtmlTextWriterStyle) (-1);\r
 340 }\r
 341 \r
 342 protected string GetStyleName(HtmlTextWriterStyle styleKey){\r
 343         if ((int) styleKey >= 0 && (int) styleKey < HtmlTextWriter._styleNameLookupArray.Length)\r
 344                 return HtmlTextWriter._styleNameLookupArray[(int) styleKey];\r
 345         return System.String.Empty;\r
 346 }\r
 347 \r
 348 protected virtual HtmlTextWriterTag GetTagKey(string tagName){\r
 349         if (tagName != null && tagName.Length > 0) {\r
 350                 object tag = HtmlTextWriter._tagKeyLookupTable[tagName.ToLower()];\r
 351                 if (tag != null)\r
 352                         return (HtmlTextWriterTag) tag;\r
 353         }\r
 354         return 0;\r
 355 }\r
 356 \r
 357 protected virtual string GetTagName(HtmlTextWriterTag tagKey){\r
 358         if ((int) tagKey >= 0 && (int) tagKey < HtmlTextWriter._tagNameLookupArray.Length)\r
 359                 return HtmlTextWriter._tagNameLookupArray[(int) tagKey].name;\r
 360         return System.String.Empty;\r
 361 }\r
 362 \r
 363 protected bool IsAttributeDefined(HtmlTextWriterAttribute key){\r
 364         for (int i=0; i <= _attrCount; i++) {\r
 365                 if (_attrList[i].key == key)\r
 366                         return true;\r
 367         }\r
 368         return false;\r
 369 }\r
 370 \r
 371 protected bool IsAttributeDefined(HtmlTextWriterAttribute key, ref string value){\r
 372         value = null;\r
 373         for (int i=0; i <= _attrCount; i++) {\r
 374                 if (_attrList[i].key == key) {\r
 375                         value = _attrList[i].value;\r
 376                         return true;\r
 377                 }\r
 378         }\r
 379         return false;\r
 380 }\r
 381 \r
 382 protected bool IsStyleAttributeDefined(HtmlTextWriterStyle key){\r
 383         for (int i= 0; i <= _styleCount; i++) {\r
 384                 if (_styleList[i].key == key)\r
 385                         return true;\r
 386         }\r
 387         return false;\r
 388 }\r
 389 \r
 390 protected bool IsStyleAttributeDefined(HtmlTextWriterStyle key, ref string value){\r
 391         value = null;\r
 392         for( int i=0; i <= _styleCount; i++) {\r
 393                 if (_styleList[i].key == key) {\r
 394                         value = _styleList[i].value;\r
 395                         return true;\r
 396                 }\r
 397         }\r
 398         return false;\r
 399 }\r
 400 \r
 401 protected virtual bool OnAttributeRender(string name, string value, HtmlTextWriterAttribute key){\r
 402         return true;\r
 403 }\r
 404 \r
 405 protected virtual bool OnStyleAttributeRender(string name, string value, HtmlTextWriterStyle key){\r
 406         return true;\r
 407 }\r
 408 \r
 409 protected virtual bool OnTagRender(string name, HtmlTextWriterTag key){\r
 410         return true;\r
 411 }\r
 412 \r
 413 protected virtual void OutputTabs(){\r
 414         if (tabsPending) {\r
 415                 for(int i=0; i <= indentLevel; i++) {\r
 416                         writer.Write(tabString);\r
 417                 }\r
 418                 tabsPending = false;\r
 419         }\r
 420 }\r
 421 \r
 422 protected string PopEndTag(){\r
 423         if (_endTagCount <= 0)\r
 424                 throw new InvalidOperationException("A PopEndTag was called without a corresponding PushEndTag");\r
 425         _endTagCount--;\r
 426         TagKey = _endTags[_endTagCount].tagKey;\r
 427         return _endTags[_endTagCount].endTagText;\r
 428 }\r
 429 \r
 430 protected void PushEndTag(string endTag){\r
 431         if (_endTagCount >= (int) _endTags.Length) {\r
 432                 TagStackEntry[] temp = new TagStackEntry[(int) _endTags.Length * 2];\r
 433                 System.Array.Copy(_endTags, temp, (int) _endTags.Length);\r
 434                 _endTags = temp;\r
 435         }\r
 436         _endTags[_endTagCount].tagKey = _tagKey;\r
 437         _endTags[_endTagCount].endTagText = endTag;\r
 438         _endTagCount++;\r
 439 }\r
 440 \r
 441 protected static void RegisterAttribute(string name, HtmlTextWriterAttribute key){\r
 442         HtmlTextWriter.RegisterAttribute(name, key, false);\r
 443 }\r
 444 \r
 445 private static void RegisterAttribute(string name, HtmlTextWriterAttribute key, bool fEncode){\r
 446         name = name.ToLower();\r
 447         HtmlTextWriter._attrKeyLookupTable.Add(name, key);\r
 448         if ((int) key < (int) HtmlTextWriter._attrNameLookupArray.Length)\r
 449                 HtmlTextWriter._attrNameLookupArray[(int) key] = new AttributeInformation(name, fEncode);\r
 450 }\r
 451 \r
 452 protected static void RegisterStyle(string name, HtmlTextWriterStyle key){\r
 453         name = name.ToLower();\r
 454         HtmlTextWriter._styleKeyLookupTable.Add(name, key);\r
 455         if ((int) key < (int) HtmlTextWriter._styleNameLookupArray.Length)\r
 456                 HtmlTextWriter._styleNameLookupArray[(int) key] = name;\r
 457 }\r
 458 \r
 459 protected static void RegisterTag(string name, HtmlTextWriterTag key){\r
 460         HtmlTextWriter.RegisterTag(name, key, TagType.Other);\r
 461 }\r
 462 \r
 463 private static void RegisterTag(string name, HtmlTextWriterTag key, TagType type){\r
 464         name = name.ToLower();\r
 465         HtmlTextWriter._tagKeyLookupTable.Add(name, key);\r
 466         string fullTag = null;\r
 467         if ((int) type != 1 && (int) key != 0) {\r
 468                 fullTag = EndTagLeftChars + name + TagRightChar;\r
 469         }\r
 470         if ((int) key < HtmlTextWriter._tagNameLookupArray.Length)\r
 471                 HtmlTextWriter._tagNameLookupArray[(int) key] = new TagInformation(name, type, fullTag);\r
 472 }\r
 473 \r
 474 protected virtual string RenderAfterContent(){\r
 475         return null;\r
 476 }\r
 477 \r
 478 protected virtual string RenderAfterTag(){\r
 479         return null;\r
 480 }\r
 481 \r
 482 protected virtual string RenderBeforeContent(){\r
 483         return null;\r
 484 }\r
 485 \r
 486 protected virtual string RenderBeforeTag(){\r
 487         return null;\r
 488 }\r
 489 \r
 490 public virtual void RenderBeginTag(HtmlTextWriterTag tagKey){\r
 491         TagKey = tagKey;\r
 492         bool tagRendered = true;\r
 493         bool tagRender = true;\r
 494         if (_isDescendant) {\r
 495                 tagRender = OnTagRender(_tagName, _tagKey);\r
 496                 FilterAttributes();\r
 497                 string beforeTag = RenderBeforeTag();\r
 498                 if (beforeTag != null) {\r
 499                         if (tabsPending)\r
 500                                 OutputTabs();\r
 501                         writer.Write(beforeTag);\r
 502                 }\r
 503         }\r
 504         TagInformation currentTag = HtmlTextWriter._tagNameLookupArray[_tagIndex];\r
 505         if (tagRender) {\r
 506                 tagRendered = false;\r
 507                 if (tabsPending)\r
 508                         OutputTabs();\r
 509                 writer.Write(TagLeftChar);\r
 510                 writer.Write(_tagName);\r
 511                 RenderAttribute rAttr;\r
 512                 string rAttrValue = null;\r
 513                 for (int i=0; i < _attrCount; i++) {\r
 514                         rAttr = _attrList[i];\r
 515                         if (rAttr.key == HtmlTextWriterAttribute.Style)\r
 516                                 rAttrValue = rAttr.value;\r
 517                         else {\r
 518                                 writer.Write(SpaceChar);\r
 519                                 writer.Write(rAttr.name);\r
 520                                 if (rAttr.value != null) {\r
 521                                         writer.Write(EqualsChar);\r
 522                                         writer.Write(DoubleQuoteChar);\r
 523                                         if (rAttr.encode) {\r
 524                                                 if (_httpWriter == null) {\r
 525                                                         System.Web.HttpUtility.HtmlAttributeEncode(rAttr.value, writer);\r
 526                                                 }\r
 527                                                 else {\r
 528                                                         System.Web.HttpUtility.HtmlAttributeEncode(rAttr.value, (TextWriter) _httpWriter);\r
 529                                                 }\r
 530                                         }\r
 531                                         else {\r
 532                                                 writer.Write(rAttr.value);\r
 533                                         }\r
 534                                         writer.Write(DoubleQuoteChar);\r
 535                                 }\r
 536                         }\r
 537                 }\r
 538                 if (_styleCount > 0 || rAttrValue != null) {\r
 539                         writer.Write(SpaceChar);\r
 540                         writer.Write("style");\r
 541                         writer.Write(EqualsChar);\r
 542                         writer.Write(DoubleQuoteChar);\r
 543                         RenderStyle rStyle;\r
 544                         for (int i=0; i <= _styleCount; i++) {\r
 545                                 rStyle = _styleList[i];\r
 546                                 writer.Write(rStyle.name);\r
 547                                 writer.Write(StyleEqualsChar);\r
 548                                 writer.Write(rStyle.value);\r
 549                                 writer.Write(SemicolonChar);\r
 550                         }\r
 551                         if (rAttrValue != null)\r
 552                                 writer.Write(rAttrValue);\r
 553                         writer.Write(DoubleQuoteChar);\r
 554                 }\r
 555                 if (currentTag.tagType == TagType.NonClosing) {\r
 556                         writer.Write(SpaceChar);\r
 557                         writer.Write(SlashChar);\r
 558                         writer.Write(TagRightChar);\r
 559                 }\r
 560                 else\r
 561                         writer.Write(TagRightChar);\r
 562         }\r
 563         string beforeContent = RenderBeforeContent();\r
 564         if (beforeContent != null) {\r
 565                 if (tabsPending)\r
 566                         OutputTabs();\r
 567                 writer.Write(beforeContent);\r
 568         }\r
 569         if (tagRendered) {\r
 570                 if (currentTag.tagType == TagType.Inline)\r
 571                         _inlineCount++;\r
 572                 else {\r
 573                         WriteLine();\r
 574                         Indent++;\r
 575                 }\r
 576                 if (currentTag.closingTag == null) {\r
 577                         currentTag.closingTag = EndTagLeftChars + _tagName + TagRightChar;\r
 578                 }\r
 579         }\r
 580         if (_isDescendant) {\r
 581                 string afterContent = RenderAfterContent();\r
 582                 if (afterContent != null) {\r
 583                         if (currentTag.closingTag != null)\r
 584                                 currentTag.closingTag = afterContent;\r
 585                 }\r
 586                 string afterTag = RenderAfterTag();\r
 587                 if (afterTag != null) {\r
 588                         if (currentTag.closingTag != null)\r
 589                                 currentTag.closingTag = afterTag;\r
 590                 }\r
 591         }\r
 592         PushEndTag(currentTag.closingTag);\r
 593         _attrCount = 0;\r
 594         _styleCount = 0;\r
 595 }\r
 596 \r
 597 public virtual void RenderBeginTag(string tagName){\r
 598         TagName = tagName;\r
 599         RenderBeginTag(_tagKey);\r
 600 }\r
 601 \r
 602 public virtual void RenderEndTag(){\r
 603         string endTagText = PopEndTag();\r
 604         if (endTagText != null) {\r
 605                 if (HtmlTextWriter._tagNameLookupArray[_tagIndex].tagType == 0) {\r
 606                         _inlineCount--;\r
 607                         Write(endTagText);\r
 608                 }\r
 609                 else{\r
 610                         WriteLine();\r
 611                         Indent--;\r
 612                         Write(endTagText);\r
 613                 }\r
 614         }\r
 615 }\r
 616 \r
 617 public override void Write(bool value){\r
 618         if (tabsPending)\r
 619                 OutputTabs();\r
 620         writer.Write(value);\r
 621 }\r
 622 \r
 623 public override void Write(char value){\r
 624         if (tabsPending)\r
 625                 OutputTabs();\r
 626         writer.Write(value);\r
 627 }\r
 628 \r
 629 public override void Write(char[] buffer){\r
 630         if (tabsPending)\r
 631                 OutputTabs();\r
 632         writer.Write(buffer);\r
 633 }\r
 634 \r
 635 public override void Write(char[] buffer, int index, int count){\r
 636         if (tabsPending)\r
 637                 OutputTabs();\r
 638         writer.Write(buffer, index, count);\r
 639 }\r
 640 \r
 641 public override void Write(double value){\r
 642         if (tabsPending)\r
 643                 OutputTabs();\r
 644         writer.Write(value);\r
 645 }\r
 646 \r
 647 public override void Write(int value){\r
 648         if (tabsPending)\r
 649                 OutputTabs();\r
 650         writer.Write(value);\r
 651 }\r
 652 \r
 653 public override void Write(long value){\r
 654         if (tabsPending)\r
 655                 OutputTabs();\r
 656         writer.Write(value);\r
 657 }\r
 658 \r
 659 public override void Write(object value){\r
 660         if (tabsPending)\r
 661                 OutputTabs();\r
 662         writer.Write(value);\r
 663 }\r
 664 \r
 665 public override void Write(float value){\r
 666         if (tabsPending)\r
 667                 OutputTabs();\r
 668         writer.Write(value);\r
 669 }\r
 670 \r
 671 public override void Write(string s){\r
 672         if (tabsPending)\r
 673                 OutputTabs();\r
 674         writer.Write(s);\r
 675 }\r
 676 \r
 677 public override void Write(string format, object arg0){\r
 678         if (tabsPending)\r
 679                 OutputTabs();\r
 680         writer.Write(format, arg0);\r
 681 }\r
 682 \r
 683 public override void Write(string format, object arg0, object arg1){\r
 684         if (tabsPending)\r
 685                 OutputTabs();\r
 686         writer.Write(format, arg0, arg1);\r
 687 }\r
 688 \r
 689 public override void Write(string format, params object[] arg){\r
 690         if (tabsPending)\r
 691                 OutputTabs();\r
 692         writer.Write(format, arg);\r
 693 }\r
 694 \r
 695 public virtual void WriteAttribute(string name, string value){\r
 696         WriteAttribute(name, value, false);\r
 697 }\r
 698 \r
 699 public virtual void WriteAttribute(string name, string value, bool fEncode){\r
 700         writer.Write(SpaceChar);\r
 701         writer.Write(name);\r
 702         if (value != null) {\r
 703                 writer.Write(EqualsChar);\r
 704                 writer.Write(DoubleQuoteChar);\r
 705                 if (fEncode) {\r
 706                         if (_httpWriter == null) {\r
 707                                 System.Web.HttpUtility.HtmlAttributeEncode(value, writer);\r
 708                         }\r
 709                         else{\r
 710                                 System.Web.HttpUtility.HtmlAttributeEncode(value, (TextWriter) _httpWriter);\r
 711                         }\r
 712                 }\r
 713                 else{\r
 714                         writer.Write(value);\r
 715                 }\r
 716                 writer.Write(DoubleQuoteChar);\r
 717         }\r
 718 }\r
 719 \r
 720 public virtual void WriteBeginTag(string tagName){\r
 721         if (tabsPending)\r
 722                 OutputTabs();\r
 723         writer.Write(TagLeftChar);\r
 724         writer.Write(tagName);\r
 725 }\r
 726 \r
 727 public virtual void WriteEndTag(string tagName){\r
 728         if (tabsPending)\r
 729                 OutputTabs();\r
 730         writer.Write(TagLeftChar);\r
 731         writer.Write(SlashChar);\r
 732         writer.Write(tagName);\r
 733         writer.Write(TagRightChar);\r
 734 }\r
 735 \r
 736 public virtual void WriteFullBeginTag(string tagName){\r
 737         if (tabsPending)\r
 738                 OutputTabs();\r
 739         writer.Write(TagLeftChar);\r
 740         writer.Write(tagName);\r
 741         writer.Write(TagRightChar);\r
 742 }\r
 743 \r
 744 public override void WriteLine(){\r
 745         writer.WriteLine();\r
 746         tabsPending = true;\r
 747 }\r
 748 \r
 749 public override void WriteLine(bool value){\r
 750         if (tabsPending)\r
 751                 OutputTabs();\r
 752         writer.WriteLine(value);\r
 753         tabsPending = true;\r
 754 }\r
 755 \r
 756 public override void WriteLine(char value){\r
 757         if (tabsPending)\r
 758                 OutputTabs();\r
 759         writer.WriteLine(value);\r
 760         tabsPending = true;\r
 761 }\r
 762 \r
 763 public override void WriteLine(char[] buffer){\r
 764         if (tabsPending)\r
 765                 OutputTabs();\r
 766         writer.WriteLine(buffer);\r
 767         tabsPending = true;\r
 768 }\r
 769 \r
 770 public override void WriteLine(char[] buffer, int index, int count){\r
 771         if (tabsPending)\r
 772                 OutputTabs();\r
 773         writer.WriteLine(buffer, index, count);\r
 774         tabsPending = true;\r
 775 }\r
 776 \r
 777 public override void WriteLine(double value){\r
 778         if (tabsPending)\r
 779                 OutputTabs();\r
 780         writer.WriteLine(value);\r
 781         tabsPending = true;\r
 782 }\r
 783 \r
 784 public override void WriteLine(int value){\r
 785         if (tabsPending)\r
 786                 OutputTabs();\r
 787         writer.WriteLine(value);\r
 788         tabsPending = true;\r
 789 }\r
 790 \r
 791 public override void WriteLine(long value){\r
 792         if (tabsPending)\r
 793                 OutputTabs();\r
 794         writer.WriteLine(value);\r
 795         tabsPending = true;\r
 796 }\r
 797 \r
 798 public override void WriteLine(object value){\r
 799         if (tabsPending)\r
 800                 OutputTabs();\r
 801         writer.WriteLine(value);\r
 802         tabsPending = true;\r
 803 }\r
 804 \r
 805 public override void WriteLine(float value){\r
 806         if (tabsPending)\r
 807                 OutputTabs();\r
 808         writer.WriteLine(value);\r
 809         tabsPending = true;\r
 810 }\r
 811 \r
 812 public override void WriteLine(string s){\r
 813         if (tabsPending)\r
 814                 OutputTabs();\r
 815         writer.WriteLine(s);\r
 816         tabsPending = true;\r
 817 }\r
 818 \r
 819 public override void WriteLine(string format, object arg0){\r
 820         if (tabsPending)\r
 821                 OutputTabs();\r
 822         writer.WriteLine(format, arg0);\r
 823         tabsPending = true;\r
 824 }\r
 825 \r
 826 public override void WriteLine(string format, object arg0, object arg1){\r
 827         if (tabsPending)\r
 828                 OutputTabs();\r
 829         writer.WriteLine(format, arg0, arg1);\r
 830         tabsPending = true;\r
 831 }\r
 832 \r
 833 public override void WriteLine(string format, params object[] arg){\r
 834         if (tabsPending)\r
 835                 OutputTabs();\r
 836         writer.WriteLine(format, arg);\r
 837         tabsPending = true;\r
 838 }\r
 839 \r
 840 [CLSCompliant(false)]\r
 841 public override void WriteLine(uint value){\r
 842         if (tabsPending)\r
 843                 OutputTabs();\r
 844         writer.WriteLine(value);\r
 845         tabsPending = true;\r
 846 }\r
 847 \r
 848 public void WriteLineNoTabs(string s){\r
 849         writer.WriteLine(s);\r
 850 }\r
 851 \r
 852 public virtual void WriteStyleAttribute(string name, string value){\r
 853         WriteStyleAttribute(name, value, false);\r
 854 }\r
 855 \r
 856 public virtual void WriteStyleAttribute(string name, string value, bool fEncode){\r
 857         writer.Write(name);\r
 858         writer.Write(StyleEqualsChar);\r
 859         if (fEncode) {\r
 860                 if (_httpWriter == null) {\r
 861                         System.Web.HttpUtility.HtmlAttributeEncode(value, writer);\r
 862                 }\r
 863                 else{\r
 864                         System.Web.HttpUtility.HtmlAttributeEncode(value, (TextWriter) _httpWriter);\r
 865                 }\r
 866         }\r
 867         else {\r
 868                 writer.Write(value);\r
 869         }\r
 870         writer.Write(SemicolonChar);\r
 871 }\r
 872 \r
 873 public override System.Text.Encoding Encoding { \r
 874         get{\r
 875                 return writer.Encoding;\r
 876         }\r
 877 }\r
 878 \r
 879 public int Indent { \r
 880         get{\r
 881                 return indentLevel;\r
 882         }\r
 883         set{\r
 884                 if (value < 0)\r
 885                         value = 0;\r
 886                 indentLevel = value;\r
 887         }\r
 888 }\r
 889 \r
 890 public TextWriter InnerWriter { \r
 891         get{\r
 892                 return writer;\r
 893         }\r
 894         set{\r
 895                 writer = value;\r
 896                 _httpWriter = value as HttpWriter;\r
 897         }\r
 898 }\r
 899 \r
 900 public override string NewLine { \r
 901         get{\r
 902                 return writer.NewLine;\r
 903         }\r
 904         set{\r
 905                 writer.NewLine = value;\r
 906         }\r
 907 }\r
 908 \r
 909 protected HtmlTextWriterTag TagKey { \r
 910         get{\r
 911                 return _tagKey;\r
 912         }\r
 913         set{\r
 914                 _tagIndex = (int) value;\r
 915                 if (_tagIndex < 0 || _tagIndex >= (int) HtmlTextWriter._tagNameLookupArray.Length)\r
 916                         throw new ArgumentOutOfRangeException("value");\r
 917                 _tagKey = value;\r
 918                 if (value != 0)\r
 919                         _tagName = HtmlTextWriter._tagNameLookupArray[_tagIndex].name;\r
 920         }\r
 921 }\r
 922 \r
 923 protected string TagName { \r
 924         get{\r
 925                 return _tagName;\r
 926         }\r
 927         set{\r
 928                 _tagName = value;\r
 929                 _tagKey = GetTagKey(_tagName);\r
 930                 _tagIndex = (int) _tagKey;\r
 931         }\r
 932 }\r
 933 \r
 934 public const string DefaultTabString = "\t";\r
 935 public const char DoubleQuoteChar = '"';\r
 936 public const string EndTagLeftChars = "</";\r
 937 public const char EqualsChar = '=';\r
 938 public const string EqualsDoubleQuoteString = "=\"";\r
 939 public const string SelfClosingChars = " /";\r
 940 public const string SelfClosingTagEnd = " />";\r
 941 public const char SemicolonChar = ';';\r
 942 public const char SingleQuoteChar = '\'';\r
 943 public const char SlashChar = '/';\r
 944 public const char SpaceChar = ' ';\r
 945 public const char StyleEqualsChar = ':';\r
 946 public const char TagLeftChar = '<';\r
 947 public const char TagRightChar = '>';\r
 948 \r
 949 private int _attrCount;\r
 950 private int _endTagCount;\r
 951 private int _styleCount;\r
 952 private int indentLevel;\r
 953 private int _inlineCount;\r
 954 private int _tagIndex;\r
 955 \r
 956 private bool _isDescendant;\r
 957 private bool tabsPending;\r
 958 \r
 959 private HtmlTextWriterTag _tagKey;\r
 960 private TextWriter writer;\r
 961 private HttpWriter _httpWriter;\r
 962 \r
 963 private static Hashtable _attrKeyLookupTable;\r
 964 private static Hashtable _styleKeyLookupTable;\r
 965 private static Hashtable _tagKeyLookupTable;\r
 966 \r
 967 private string _tagName;\r
 968 private string tabString;\r
 969 private static string[] _styleNameLookupArray;\r
 970 \r
 971 private RenderAttribute[] _attrList;\r
 972 private static AttributeInformation[] _attrNameLookupArray;\r
 973 private static TagInformation[] _tagNameLookupArray;\r
 974 private TagStackEntry[] _endTags;\r
 975 private RenderStyle[] _styleList;\r
 976 \r
 977 } //HtmlTextWriter\r
 978 \r
 979 struct AttributeInformation {\r
 980         public bool encode;\r
 981         public string name;\r
 982 \r
 983         public AttributeInformation(string name, bool encode){\r
 984                 this.encode = encode;\r
 985                 this.name = name;\r
 986         }\r
 987 } \r
 988  \r
 989 struct RenderAttribute {\r
 990         public bool encode;\r
 991         public HtmlTextWriterAttribute key;\r
 992         public string name;\r
 993         public string value;\r
 994 } \r
 995  \r
 996 struct RenderStyle {\r
 997         public HtmlTextWriterStyle key;\r
 998         public string name;\r
 999         public string value;\r
1000 } \r
1001  \r
1002 struct TagInformation {\r
1003         public string closingTag;\r
1004         public string name;\r
1005         public TagType tagType;\r
1006 \r
1007         public TagInformation(string name, TagType tagType, string closingTag){\r
1008                 this.name = name;\r
1009                 this.tagType = tagType;\r
1010                 this.closingTag = closingTag;   \r
1011         }\r
1012 } \r
1013  \r
1014 struct TagStackEntry {\r
1015         public string endTagText;\r
1016         public HtmlTextWriterTag tagKey;\r
1017 } \r
1018  \r
1019 enum TagType {\r
1020         Inline,\r
1021         NonClosing,\r
1022         Other\r
1023 } \r
1024 \r
1025 \r
1026 } // namespace System.Web.UI.HtmlControls\r
1027 \r