2 // System.Xml.Schema.XmlSchemaAttributeGroup.cs
5 // Dwivedi, Ajay kumar Adwiv@Yahoo.com
6 // Enomoto, Atsushi ginga@kit.hi-ho.ne.jp
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30 using System.Collections;
31 using System.Xml.Serialization;
34 namespace System.Xml.Schema
37 /// Summary description for XmlSchemaAttributeGroup.
39 public class XmlSchemaAttributeGroup : XmlSchemaAnnotated
41 private XmlSchemaAnyAttribute anyAttribute;
42 private XmlSchemaObjectCollection attributes;
44 private XmlSchemaAttributeGroup redefined;
45 private XmlQualifiedName qualifiedName;
46 const string xmlname = "attributeGroup";
47 private XmlSchemaObjectTable attributeUses;
48 private XmlSchemaAnyAttribute anyAttributeUse;
50 internal bool AttributeGroupRecursionCheck;
52 public XmlSchemaAttributeGroup()
54 attributes = new XmlSchemaObjectCollection();
55 qualifiedName = XmlQualifiedName.Empty;
58 [System.Xml.Serialization.XmlAttribute("name")]
65 [XmlElement("attribute",typeof(XmlSchemaAttribute))]
66 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]
67 public XmlSchemaObjectCollection Attributes
69 get{ return attributes;}
72 internal XmlSchemaObjectTable AttributeUses
74 get { return attributeUses; }
76 internal XmlSchemaAnyAttribute AnyAttributeUse
78 get { return anyAttributeUse; }
81 [XmlElement("anyAttribute")]
82 public XmlSchemaAnyAttribute AnyAttribute
84 get{ return anyAttribute;}
85 set{ anyAttribute = value;}
88 //Undocumented property
90 public XmlSchemaAttributeGroup RedefinedAttributeGroup
92 get{ return redefined;}
97 public XmlQualifiedName QualifiedName
99 internal XmlQualifiedName QualifiedName
102 get{ return qualifiedName;}
106 /// An Attribute group can only be defined as a child of XmlSchema or in XmlSchemaRedefine.
107 /// The other attributeGroup has type XmlSchemaAttributeGroupRef.
108 /// 1. Name must be present
110 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
112 // If this is already compiled this time, simply skip.
113 if (CompilationId == schema.CompilationId)
118 if (redefinedObject != null) {
119 errorCount += redefined.Compile (h, schema);
121 redefined = (XmlSchemaAttributeGroup) redefinedObject;
124 XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
126 if(this.Name == null || this.Name == String.Empty) //1
127 error(h,"Name is required in top level simpletype");
128 else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2
129 error(h,"name attribute of a simpleType must be NCName");
131 this.qualifiedName = new XmlQualifiedName(this.Name, schema.TargetNamespace);
133 if(this.AnyAttribute != null)
136 this.AnyAttribute.Parent = this;
138 errorCount += this.AnyAttribute.Compile(h, schema);
141 foreach(XmlSchemaObject obj in Attributes)
147 if(obj is XmlSchemaAttribute)
149 XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
150 errorCount += attr.Compile(h, schema);
152 else if(obj is XmlSchemaAttributeGroupRef)
154 XmlSchemaAttributeGroupRef gref = (XmlSchemaAttributeGroupRef) obj;
155 errorCount += gref.Compile(h, schema);
159 error(h,"invalid type of object in Attributes property");
162 this.CompilationId = schema.CompilationId;
166 internal override int Validate(ValidationEventHandler h, XmlSchema schema)
168 if (IsValidated (schema.CompilationId))
171 if (redefined == null && redefinedObject != null) {
172 redefinedObject.Compile (h, schema);
173 redefined = (XmlSchemaAttributeGroup) redefinedObject;
174 redefined.Validate (h, schema);
177 XmlSchemaObjectCollection actualAttributes = null;
179 if (this.redefined != null) {
180 actualAttributes = new XmlSchemaObjectCollection ();
181 foreach (XmlSchemaObject obj in Attributes) {
182 XmlSchemaAttributeGroupRef grp = obj as XmlSchemaAttributeGroupRef;
183 if (grp != null && grp.QualifiedName == this.QualifiedName)
184 actualAttributes.Add (redefined);
186 actualAttributes.Add (obj);
191 actualAttributes = Attributes;
193 attributeUses = new XmlSchemaObjectTable ();
194 errorCount += XmlSchemaUtil.ValidateAttributesResolved (attributeUses,
195 h, schema, actualAttributes, AnyAttribute,
196 ref anyAttributeUse, redefined, false);
197 ValidationId = schema.ValidationId;
204 // ref = QName // Not present in this class.
205 // {any attributes with non-schema namespace . . .}>
206 // Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
208 internal static XmlSchemaAttributeGroup Read(XmlSchemaReader reader, ValidationEventHandler h)
210 XmlSchemaAttributeGroup attrgrp = new XmlSchemaAttributeGroup();
211 reader.MoveToElement();
213 if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
215 error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
220 attrgrp.LineNumber = reader.LineNumber;
221 attrgrp.LinePosition = reader.LinePosition;
222 attrgrp.SourceUri = reader.BaseURI;
224 while(reader.MoveToNextAttribute())
226 if(reader.Name == "id")
228 attrgrp.Id = reader.Value;
230 else if(reader.Name == "name")
232 attrgrp.name = reader.Value;
234 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
236 error(h,reader.Name + " is not a valid attribute for attributeGroup in this context",null);
240 XmlSchemaUtil.ReadUnhandledAttribute(reader,attrgrp);
244 reader.MoveToElement();
245 if(reader.IsEmptyElement)
248 //Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?
250 while(reader.ReadNextElement())
252 if(reader.NodeType == XmlNodeType.EndElement)
254 if(reader.LocalName != xmlname)
255 error(h,"Should not happen :2: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
258 if(level <= 1 && reader.LocalName == "annotation")
260 level = 2; //Only one annotation
261 XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
262 if(annotation != null)
263 attrgrp.Annotation = annotation;
268 if(reader.LocalName == "attribute")
271 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
273 attrgrp.Attributes.Add(attr);
276 if(reader.LocalName == "attributeGroup")
279 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
281 attrgrp.attributes.Add(attr);
285 if(level <= 3 && reader.LocalName == "anyAttribute")
288 XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
290 attrgrp.AnyAttribute = anyattr;
293 reader.RaiseInvalidElementError();