mcs/class/referencesource/System.Data.SqlXml/System/Xml/Xsl/XsltOld/AttributeSetAction.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="AttributeSetAction.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">[....]</owner>
   6 //------------------------------------------------------------------------------
   7
   8 namespace System.Xml.Xsl.XsltOld {
   9     using Res = System.Xml.Utils.Res;
  10     using System;
  11     using System.Diagnostics;
  12     using System.Xml;
  13     using System.Xml.XPath;
  14     using System.Collections;
  15
  16     internal class AttributeSetAction : ContainerAction {
  17         internal XmlQualifiedName            name;
  18
  19         internal XmlQualifiedName Name {
  20             get { return this.name; }
  21         }
  22
  23         internal override void Compile(Compiler compiler) {
  24             CompileAttributes(compiler);
  25             CheckRequiredAttribute(compiler, this.name, "name");
  26             CompileContent(compiler);
  27         }
  28
  29         internal override bool CompileAttribute(Compiler compiler) {
  30             string name   = compiler.Input.LocalName;
  31             string value  = compiler.Input.Value;
  32             if (Ref.Equal(name, compiler.Atoms.Name)) {
  33                 Debug.Assert(this.name == null);
  34                 this.name = compiler.CreateXPathQName(value);
  35             }
  36             else if (Ref.Equal(name, compiler.Atoms.UseAttributeSets)) {
  37                 // create a UseAttributeSetsAction
  38                 // sets come before xsl:attributes
  39                 AddAction(compiler.CreateUseAttributeSetsAction());
  40             }
  41             else {
  42                 return false;
  43             }
  44
  45             return true;
  46         }
  47
  48         private void CompileContent(Compiler compiler) {
  49             NavigatorInput input = compiler.Input;
  50
  51             if (compiler.Recurse()) {
  52                 do {
  53                     switch(input.NodeType) {
  54                     case XPathNodeType.Element:
  55                         compiler.PushNamespaceScope();
  56
  57                         string nspace = input.NamespaceURI;
  58                         string name   = input.LocalName;
  59
  60                         if (Ref.Equal(nspace, input.Atoms.UriXsl) && Ref.Equal(name, input.Atoms.Attribute)) {
  61                             // found attribute so add it
  62                             AddAction(compiler.CreateAttributeAction());
  63                         }
  64                         else {
  65                             throw compiler.UnexpectedKeyword();
  66                         }
  67                         compiler.PopScope();
  68                         break;
  69
  70                     case XPathNodeType.Comment:
  71                     case XPathNodeType.ProcessingInstruction:
  72                     case XPathNodeType.Whitespace:
  73                     case XPathNodeType.SignificantWhitespace:
  74                         break;
  75
  76                     default:
  77                         throw XsltException.Create(Res.Xslt_InvalidContents, "attribute-set");
  78                     }
  79                 }
  80                 while(compiler.Advance());
  81
  82                 compiler.ToParent();
  83             }
  84         }
  85
  86         internal void Merge(AttributeSetAction attributeAction) {
  87             // add the contents of "attributeAction" to this action
  88             // place them at the end
  89             Action  action;
  90             int     i = 0;
  91
  92             while((action = attributeAction.GetAction(i)) != null) {
  93                 AddAction(action);
  94                 i++;
  95             }
  96         }
  97     }
  98 }