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

   1 //
   2 // XslCopy.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 XslCopy : XslCompiledElement {
  20                 XslOperation children;
  21                 XmlQualifiedName [] useAttributeSets;
  22
  23                 public XslCopy (Compiler c) : base (c) {}
  24
  25                 protected override void Compile (Compiler c)
  26                 {
  27                         useAttributeSets = c.ParseQNameListAttribute ("use-attribute-sets");
  28
  29                         if (!c.Input.MoveToFirstChild ()) return;
  30                         children = c.CompileTemplateContent();
  31                         c.Input.MoveToParent ();
  32                 }
  33
  34                 public override void Evaluate (XslTransformProcessor p)
  35                 {
  36                         switch (p.CurrentNode.NodeType)
  37                         {
  38                         case XPathNodeType.Root:
  39                                 if (p.Out.CanProcessAttributes && useAttributeSets != null)
  40                                         foreach (XmlQualifiedName s in useAttributeSets)
  41                                                 p.ResolveAttributeSet (s).Evaluate (p);
  42
  43                                 if (children != null) children.Evaluate (p);
  44                                 break;
  45                         case XPathNodeType.Element:
  46                                 bool cdataStarted = false;
  47                                 if (!p.InsideCDataElement && p.PushCDataState (p.CurrentNode.LocalName, p.CurrentNode.NamespaceURI))
  48                                         cdataStarted = true;
  49                                 p.Out.WriteStartElement (p.CurrentNode.Prefix, p.CurrentNode.LocalName, p.CurrentNode.NamespaceURI);
  50
  51                                 p.TryStylesheetNamespaceOutput (null);
  52                                 if (useAttributeSets != null)
  53                                         foreach (XmlQualifiedName s in useAttributeSets)
  54                                                 p.ResolveAttributeSet (s).Evaluate (p);
  55
  56                                 if (p.CurrentNode.MoveToFirstNamespace (XPathNamespaceScope.Local)) {
  57                                         do {
  58                                                 p.Out.WriteNamespaceDecl (p.CurrentNode.LocalName, p.CurrentNode.Value);
  59                                         } while (p.CurrentNode.MoveToNextNamespace (XPathNamespaceScope.Local));
  60                                         p.CurrentNode.MoveToParent ();
  61                                 }
  62
  63                                 if (children != null) children.Evaluate (p);
  64
  65                                 p.Out.WriteFullEndElement ();
  66                                 if (cdataStarted)
  67                                         p.PopCDataState ();
  68                                 break;
  69                         case XPathNodeType.Attribute:
  70                                 p.Out.WriteAttributeString (p.CurrentNode.Prefix, p.CurrentNode.LocalName, p.CurrentNode.NamespaceURI, p.CurrentNode.Value);
  71                                 break;
  72
  73                         case XPathNodeType.SignificantWhitespace:
  74                         case XPathNodeType.Text:
  75                         case XPathNodeType.Whitespace:
  76                                 p.Out.WriteString (p.CurrentNode.Value);
  77                                 break;
  78
  79                         case XPathNodeType.Comment:
  80                                 p.Out.WriteComment (p.CurrentNode.Value);
  81                                 break;
  82
  83                         case XPathNodeType.ProcessingInstruction:
  84                                 p.Out.WriteProcessingInstruction (p.CurrentNode.Name, p.CurrentNode.Value);
  85                                 break;
  86
  87                         default:
  88                                 Console.WriteLine ("unhandled node type {0}", p.CurrentNode.NodeType);
  89                                 break;
  90                         }
  91                 }
  92         }
  93 }