mcs/class/System.XML/Mono.Xml.Xsl.Operations/XslLiteralElement.cs

   1 //
   2 // XslLiteralElement.cs
   3 //
   4 // Authors:
   5 //      Ben Maurer (bmaurer@users.sourceforge.net)
   6 //      Atsushi Enomoto (ginga@kit.hi-ho.ne.jp)
   7 //
   8 // (C) 2003 Ben Maurer
   9 // (C) 2003 Atsushi Enomoto
  10 //
  11
  12 using System;
  13 using System.Collections;
  14 using System.Xml;
  15 using System.Xml.XPath;
  16 using System.Xml.Xsl;
  17
  18 namespace Mono.Xml.Xsl.Operations {
  19         public class XslLiteralElement : XslCompiledElement {
  20                 XslOperation children;
  21                 string localname, prefix, nsUri;
  22                 ArrayList attrs = new ArrayList ();
  23                 XmlQualifiedName [] useAttributeSets;
  24
  25                 public XslLiteralElement (Compiler c) : base (c) {}
  26
  27                 class XslLiteralAttribute {
  28                         string localname, prefix, nsUri;
  29                         XslAvt val;
  30
  31                         public XslLiteralAttribute (Compiler c)
  32                         {
  33                                 this.prefix = c.Input.Prefix;
  34                                 this.nsUri = c.Input.NamespaceURI;
  35                                 this.localname = c.Input.LocalName;
  36                                 this.val = new XslAvt (c.Input.Value, c);
  37                         }
  38
  39                         public void Evaluate (XslTransformProcessor p)
  40                         {
  41                                 p.Out.WriteAttributeString (prefix, localname, nsUri, val.Evaluate (p));
  42                         }
  43                 }
  44
  45                 protected override void Compile (Compiler c)
  46                 {
  47
  48                         this.prefix = c.Input.Prefix;
  49                         this.nsUri = c.Input.NamespaceURI;
  50                         this.localname = c.Input.LocalName;
  51                         this.useAttributeSets = c.ParseQNameListAttribute ("use-attribute-sets", XsltNamespace);
  52
  53                         if (c.Input.MoveToFirstAttribute ())
  54                         {
  55                                 do {
  56                                         if (c.Input.NamespaceURI == XsltNamespace)
  57                                                 continue; //already handled
  58                                         attrs.Add (new XslLiteralAttribute (c));
  59                                 } while (c.Input.MoveToNextAttribute());
  60                                 c.Input.MoveToParent ();
  61                         }
  62
  63                         if (!c.Input.MoveToFirstChild ()) return;
  64                         children = c.CompileTemplateContent ();
  65                         c.Input.MoveToParent ();
  66                 }
  67
  68                 public override void Evaluate (XslTransformProcessor p)
  69                 {
  70                         p.Out.WriteStartElement (prefix, localname, nsUri);
  71
  72                         foreach (XslLiteralAttribute a in attrs)
  73                                 a.Evaluate (p);
  74
  75                         if (useAttributeSets != null)
  76                                 foreach (XmlQualifiedName s in useAttributeSets)
  77                                         p.ResolveAttributeSet (s).Evaluate (p);
  78
  79                         if (children != null) children.Evaluate (p);
  80                         p.Out.WriteEndElement ();
  81                 }
  82         }
  83 }