MonoRail/Castle.MonoRail.Views.Brail/HtmlExtension.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Text;
   4 using System.IO;
   5 using System.Xml;
   6 using Boo.Lang;
   7 using System.Collections;
   8
   9 namespace Castle.MonoRail.Views.Brail
  10 {
  11     public class HtmlExtension : IDslLanguageExtension
  12     {
  13         readonly private TextWriter _output = null;
  14         public HtmlExtension(TextWriter output)
  15         {
  16             _output = output;
  17         }
  18
  19         public TextWriter Output
  20         {
  21             get { return _output; }
  22         }
  23
  24         private void BlockTag(string tag, IDictionary attributes, ICallable block)
  25         {
  26             Output.Write("<{0}", tag);
  27
  28             List<string> attributeValues = new List<string>();
  29
  30             if (null != attributes)
  31             {
  32                 foreach (DictionaryEntry entry in attributes)
  33                 {
  34                     attributeValues.Add(string.Format("{0}=\"{1}\"", entry.Key, entry.Value));
  35                 }
  36             }
  37
  38             if (0 != attributeValues.Count)
  39             {
  40                 Output.Write(" ");
  41                 Output.Write(string.Join(" ", attributeValues.ToArray()));
  42             }
  43
  44             Output.Write(">");
  45             if(block!=null)
  46             {
  47                 block.Call(null);
  48             }
  49             Output.Write("</{0}>", tag);
  50         }
  51
  52         public void html(ICallable block)
  53         {
  54             BlockTag("html", null, block);
  55         }
  56
  57         public void text(string value)
  58         {
  59             Output.Write(value);
  60         }
  61
  62         public void p(ICallable block)
  63         {
  64             p(null, block);
  65         }
  66
  67         public void p(IDictionary attributes, ICallable block)
  68         {
  69             BlockTag("p", attributes, block);
  70         }
  71
  72         public void Tag(string name)
  73         {
  74             BlockTag(name,null,null);
  75         }
  76
  77         public void Tag(string name, ICallable block)
  78         {
  79             BlockTag(name, null, block);
  80         }
  81
  82         public void Tag(string name, IDictionary attributes, ICallable block)
  83         {
  84             BlockTag(name, attributes,block);
  85         }
  86
  87         public void Flush()
  88         {
  89             //no op
  90         }
  91     }
  92 }