2 // System.Xml.Schema.XmlSchemaComplexContentExtension.cs
5 // Dwivedi, Ajay kumar Adwiv@Yahoo.com
6 // Atsushi Enomoto ginga@kit.hi-ho.ne.jp
10 // Permission is hereby granted, free of charge, to any person obtaining
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12 // "Software"), to deal in the Software without restriction, including
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14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
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31 using System.Xml.Serialization;
33 namespace System.Xml.Schema
36 /// Summary description for XmlSchemaComplexContentExtension.
38 public class XmlSchemaComplexContentExtension : XmlSchemaContent
40 private XmlSchemaAnyAttribute any;
41 private XmlSchemaObjectCollection attributes;
42 private XmlQualifiedName baseTypeName;
43 private XmlSchemaParticle particle;
44 const string xmlname = "extension";
46 public XmlSchemaComplexContentExtension()
48 attributes = new XmlSchemaObjectCollection();
49 baseTypeName = XmlQualifiedName.Empty;
52 [System.Xml.Serialization.XmlAttribute("base")]
53 public XmlQualifiedName BaseTypeName
55 get{ return baseTypeName; }
56 set{ baseTypeName = value; }
59 [XmlElement("group",typeof(XmlSchemaGroupRef))]
60 [XmlElement("all",typeof(XmlSchemaAll))]
61 [XmlElement("choice",typeof(XmlSchemaChoice))]
62 [XmlElement("sequence",typeof(XmlSchemaSequence))]
63 public XmlSchemaParticle Particle
65 get{ return particle; }
66 set{ particle = value; }
69 [XmlElement("attribute",typeof(XmlSchemaAttribute))]
70 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]
71 public XmlSchemaObjectCollection Attributes
73 get{ return attributes; }
76 [XmlElement("anyAttribute")]
77 public XmlSchemaAnyAttribute AnyAttribute
83 // internal properties
84 internal override bool IsExtension {
90 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
92 // If this is already compiled this time, simply skip.
93 if (CompilationId == schema.CompilationId)
98 Particle.Parent = this;
99 if (AnyAttribute != null)
100 AnyAttribute.Parent = this;
101 foreach (XmlSchemaObject obj in Attributes)
105 if (this.isRedefinedComponent) {
106 if (Annotation != null)
107 Annotation.isRedefinedComponent = true;
108 if (AnyAttribute != null)
109 AnyAttribute.isRedefinedComponent = true;
110 foreach (XmlSchemaObject obj in Attributes)
111 obj.isRedefinedComponent = true;
112 if (Particle != null)
113 Particle.isRedefinedComponent = true;
116 if(BaseTypeName == null || BaseTypeName.IsEmpty)
118 error(h, "base must be present, as a QName");
120 else if(!XmlSchemaUtil.CheckQName(BaseTypeName))
121 error(h,"BaseTypeName is not a valid XmlQualifiedName");
123 if(this.AnyAttribute != null)
125 errorCount += AnyAttribute.Compile(h, schema);
128 foreach(XmlSchemaObject obj in Attributes)
130 if(obj is XmlSchemaAttribute)
132 XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
133 errorCount += attr.Compile(h, schema);
135 else if(obj is XmlSchemaAttributeGroupRef)
137 XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;
138 errorCount += atgrp.Compile(h, schema);
141 error(h,obj.GetType() +" is not valid in this place::ComplexConetnetExtension");
146 if(Particle is XmlSchemaGroupRef)
148 errorCount += ((XmlSchemaGroupRef)Particle).Compile(h, schema);
150 else if(Particle is XmlSchemaAll)
152 errorCount += ((XmlSchemaAll)Particle).Compile(h, schema);
154 else if(Particle is XmlSchemaChoice)
156 errorCount += ((XmlSchemaChoice)Particle).Compile(h, schema);
158 else if(Particle is XmlSchemaSequence)
160 errorCount += ((XmlSchemaSequence)Particle).Compile(h, schema);
163 error (h, "Particle of a restriction is limited only to group, sequence, choice and all.");
166 XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
168 this.CompilationId = schema.CompilationId;
172 internal override XmlQualifiedName GetBaseTypeName ()
177 internal override XmlSchemaParticle GetParticle ()
182 internal override int Validate(ValidationEventHandler h, XmlSchema schema)
184 if (IsValidated (schema.ValidationId))
187 if (AnyAttribute != null)
188 errorCount += AnyAttribute.Validate (h, schema);
189 foreach (XmlSchemaObject attrObj in Attributes)
190 errorCount += attrObj.Validate (h, schema);
191 if (Particle != null)
192 errorCount += Particle.Validate (h, schema);
194 ValidationId = schema.ValidationId;
200 // {any attributes with non-schema namespace . . .}>
201 // Content: (annotation?, ((group | all | choice | sequence)?, ((attribute | attributeGroup)*, anyAttribute?)))
203 internal static XmlSchemaComplexContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)
205 XmlSchemaComplexContentExtension extension = new XmlSchemaComplexContentExtension();
206 reader.MoveToElement();
208 if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
210 error(h,"Should not happen :1: XmlSchemaComplexContentExtension.Read, name="+reader.Name,null);
215 extension.LineNumber = reader.LineNumber;
216 extension.LinePosition = reader.LinePosition;
217 extension.SourceUri = reader.BaseURI;
219 while(reader.MoveToNextAttribute())
221 if(reader.Name == "base")
224 extension.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
226 error(h, reader.Value + " is not a valid value for base attribute",innerex);
228 else if(reader.Name == "id")
230 extension.Id = reader.Value;
232 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
234 error(h,reader.Name + " is not a valid attribute for extension",null);
238 XmlSchemaUtil.ReadUnhandledAttribute(reader,extension);
242 reader.MoveToElement();
243 if(reader.IsEmptyElement)
245 //Content: 1. annotation?,
246 // (2.(group | all | choice | sequence)?, (3.(attribute | attributeGroup)*, 4.anyAttribute?)))
248 while(reader.ReadNextElement())
250 if(reader.NodeType == XmlNodeType.EndElement)
252 if(reader.LocalName != xmlname)
253 error(h,"Should not happen :2: XmlSchemaComplexContentExtension.Read, name="+reader.Name,null);
256 if(level <= 1 && reader.LocalName == "annotation")
258 level = 2; //Only one annotation
259 XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
260 if(annotation != null)
261 extension.Annotation = annotation;
266 if(reader.LocalName == "group")
269 XmlSchemaGroupRef group = XmlSchemaGroupRef.Read(reader,h);
271 extension.particle = group;
274 if(reader.LocalName == "all")
277 XmlSchemaAll all = XmlSchemaAll.Read(reader,h);
279 extension.particle = all;
282 if(reader.LocalName == "choice")
285 XmlSchemaChoice choice = XmlSchemaChoice.Read(reader,h);
287 extension.particle = choice;
290 if(reader.LocalName == "sequence")
293 XmlSchemaSequence sequence = XmlSchemaSequence.Read(reader,h);
295 extension.particle = sequence;
301 if(reader.LocalName == "attribute")
304 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
306 extension.Attributes.Add(attr);
309 if(reader.LocalName == "attributeGroup")
312 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
314 extension.attributes.Add(attr);
318 if(level <= 4 && reader.LocalName == "anyAttribute")
321 XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
323 extension.AnyAttribute = anyattr;
326 reader.RaiseInvalidElementError();