3f1196739f8b5e0bb262dbfa1c4942002f45c3b8
[mono.git] / mcs / class / System.XML / System.Xml.Schema / XmlSchemaComplexContentExtension.cs
1 //\r
2 // System.Xml.Schema.XmlSchemaComplexContentExtension.cs\r
3 //\r
4 // Author:\r
5 //      Dwivedi, Ajay kumar  Adwiv@Yahoo.com\r
6 //      Atsushi Enomoto  ginga@kit.hi-ho.ne.jp\r
7 //\r
8
9 //
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
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
16 // the following conditions:
17 // 
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
20 // 
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 //
29 using System;\r
30 using System.Xml;\r
31 using System.Xml.Serialization;\r
32 \r
33 namespace System.Xml.Schema\r
34 {\r
35         /// <summary>\r
36         /// Summary description for XmlSchemaComplexContentExtension.\r
37         /// </summary>\r
38         public class XmlSchemaComplexContentExtension : XmlSchemaContent\r
39         {\r
40                 private XmlSchemaAnyAttribute any;\r
41                 private XmlSchemaObjectCollection attributes;\r
42                 private XmlQualifiedName baseTypeName;\r
43                 private XmlSchemaParticle particle;\r
44                 const string xmlname = "extension";\r
45 \r
46                 public XmlSchemaComplexContentExtension()\r
47                 {\r
48                         attributes = new XmlSchemaObjectCollection();\r
49                         baseTypeName = XmlQualifiedName.Empty;\r
50                 }\r
51                 \r
52                 [System.Xml.Serialization.XmlAttribute("base")]\r
53                 public XmlQualifiedName BaseTypeName \r
54                 {\r
55                         get{ return  baseTypeName; }\r
56                         set{ baseTypeName = value; }\r
57                 }\r
58 \r
59                 [XmlElement("group",typeof(XmlSchemaGroupRef),Namespace=XmlSchema.Namespace)]\r
60                 [XmlElement("all",typeof(XmlSchemaAll),Namespace=XmlSchema.Namespace)]\r
61                 [XmlElement("choice",typeof(XmlSchemaChoice),Namespace=XmlSchema.Namespace)]\r
62                 [XmlElement("sequence",typeof(XmlSchemaSequence),Namespace=XmlSchema.Namespace)]\r
63                 public XmlSchemaParticle Particle\r
64                 {\r
65                         get{ return  particle; }\r
66                         set{ particle = value; }\r
67                 }\r
68 \r
69                 [XmlElement("attribute",typeof(XmlSchemaAttribute),Namespace=XmlSchema.Namespace)]\r
70                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef),Namespace=XmlSchema.Namespace)]\r
71                 public XmlSchemaObjectCollection Attributes \r
72                 {\r
73                         get{ return attributes; }\r
74                 }\r
75 \r
76                 [XmlElement("anyAttribute",Namespace=XmlSchema.Namespace)]\r
77                 public XmlSchemaAnyAttribute AnyAttribute \r
78                 {\r
79                         get{ return any; }\r
80                         set{ any = value;}\r
81                 }\r
82 \r
83                 // internal properties\r
84                 internal override bool IsExtension {\r
85                         get { return true; }\r
86                 }\r
87 \r
88                 /// <remarks>\r
89                 /// </remarks>\r
90                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
91                 {\r
92                         // If this is already compiled this time, simply skip.\r
93                         if (this.IsComplied (schema.CompilationId))\r
94                                 return 0;\r
95 \r
96                         if (this.isRedefinedComponent) {\r
97                                 if (Annotation != null)\r
98                                         Annotation.isRedefinedComponent = true;\r
99                                 if (AnyAttribute != null)\r
100                                         AnyAttribute.isRedefinedComponent  = true;\r
101                                 foreach (XmlSchemaObject obj in Attributes)\r
102                                         obj.isRedefinedComponent  = true;\r
103                                 if (Particle != null)\r
104                                         Particle.isRedefinedComponent  = true;\r
105                         }\r
106 \r
107                         if(BaseTypeName == null || BaseTypeName.IsEmpty)\r
108                         {\r
109                                 error(h, "base must be present, as a QName");\r
110                         }\r
111                         else if(!XmlSchemaUtil.CheckQName(BaseTypeName))\r
112                                 error(h,"BaseTypeName is not a valid XmlQualifiedName");\r
113                         \r
114                         if(this.AnyAttribute != null)\r
115                         {\r
116                                 errorCount += AnyAttribute.Compile(h, schema);\r
117                         }\r
118 \r
119                         foreach(XmlSchemaObject obj in Attributes)\r
120                         {\r
121                                 if(obj is XmlSchemaAttribute)\r
122                                 {\r
123                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;\r
124                                         errorCount += attr.Compile(h, schema);\r
125                                 }\r
126                                 else if(obj is XmlSchemaAttributeGroupRef)\r
127                                 {\r
128                                         XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;\r
129                                         errorCount += atgrp.Compile(h, schema);\r
130                                 }\r
131                                 else\r
132                                         error(h,obj.GetType() +" is not valid in this place::ComplexConetnetExtension");\r
133                         }\r
134                         \r
135                         if(Particle != null)\r
136                         {\r
137                                 if(Particle is XmlSchemaGroupRef)\r
138                                 {\r
139                                         errorCount += ((XmlSchemaGroupRef)Particle).Compile(h, schema);\r
140                                 }\r
141                                 else if(Particle is XmlSchemaAll)\r
142                                 {\r
143                                         errorCount += ((XmlSchemaAll)Particle).Compile(h, schema);\r
144                                 }\r
145                                 else if(Particle is XmlSchemaChoice)\r
146                                 {\r
147                                         errorCount += ((XmlSchemaChoice)Particle).Compile(h, schema);\r
148                                 }\r
149                                 else if(Particle is XmlSchemaSequence)\r
150                                 {\r
151                                         errorCount += ((XmlSchemaSequence)Particle).Compile(h, schema);\r
152                                 }\r
153                                 else\r
154                                         error (h, "Particle of a restriction is limited only to group, sequence, choice and all.");\r
155                         }\r
156                         \r
157                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);\r
158 \r
159                         this.CompilationId = schema.CompilationId;\r
160                         return errorCount;\r
161                 }\r
162                 \r
163                 internal override XmlQualifiedName GetBaseTypeName ()\r
164                 {\r
165                         return baseTypeName;\r
166                 }\r
167 \r
168                 internal override XmlSchemaParticle GetParticle ()\r
169                 {\r
170                         return particle;\r
171                 }\r
172 \r
173                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
174                 {\r
175                         if (IsValidated (schema.ValidationId))\r
176                                 return errorCount;\r
177 \r
178                         if (AnyAttribute != null)\r
179                                 errorCount += AnyAttribute.Validate (h, schema);\r
180                         foreach (XmlSchemaObject attrObj in Attributes)\r
181                                 errorCount += attrObj.Validate (h, schema);\r
182                         if (Particle != null)\r
183                                 errorCount += Particle.Validate (h, schema);\r
184 \r
185                         ValidationId = schema.ValidationId;\r
186                         return errorCount;\r
187                 }\r
188                 //<extension\r
189                 //  base = QName\r
190                 //  id = ID\r
191                 //  {any attributes with non-schema namespace . . .}>\r
192                 //  Content: (annotation?, ((group | all | choice | sequence)?, ((attribute | attributeGroup)*, anyAttribute?)))\r
193                 //</extension>\r
194                 internal static XmlSchemaComplexContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)\r
195                 {\r
196                         XmlSchemaComplexContentExtension extension = new XmlSchemaComplexContentExtension();\r
197                         reader.MoveToElement();\r
198 \r
199                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
200                         {\r
201                                 error(h,"Should not happen :1: XmlSchemaComplexContentExtension.Read, name="+reader.Name,null);\r
202                                 reader.Skip();\r
203                                 return null;\r
204                         }\r
205 \r
206                         extension.LineNumber = reader.LineNumber;\r
207                         extension.LinePosition = reader.LinePosition;\r
208                         extension.SourceUri = reader.BaseURI;\r
209 \r
210                         while(reader.MoveToNextAttribute())\r
211                         {\r
212                                 if(reader.Name == "base")\r
213                                 {\r
214                                         Exception innerex;\r
215                                         extension.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);\r
216                                         if(innerex != null)\r
217                                                 error(h, reader.Value + " is not a valid value for base attribute",innerex);\r
218                                 }\r
219                                 else if(reader.Name == "id")\r
220                                 {\r
221                                         extension.Id = reader.Value;\r
222                                 }\r
223                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
224                                 {\r
225                                         error(h,reader.Name + " is not a valid attribute for extension",null);\r
226                                 }\r
227                                 else\r
228                                 {\r
229                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,extension);\r
230                                 }\r
231                         }\r
232                         \r
233                         reader.MoveToElement();\r
234                         if(reader.IsEmptyElement)\r
235                                 return extension;\r
236                         //Content: 1. annotation?, \r
237                         //                      (2.(group | all | choice | sequence)?, (3.(attribute | attributeGroup)*, 4.anyAttribute?)))\r
238                         int level = 1;\r
239                         while(reader.ReadNextElement())\r
240                         {\r
241                                 if(reader.NodeType == XmlNodeType.EndElement)\r
242                                 {\r
243                                         if(reader.LocalName != xmlname)\r
244                                                 error(h,"Should not happen :2: XmlSchemaComplexContentExtension.Read, name="+reader.Name,null);\r
245                                         break;\r
246                                 }\r
247                                 if(level <= 1 && reader.LocalName == "annotation")\r
248                                 {\r
249                                         level = 2; //Only one annotation\r
250                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
251                                         if(annotation != null)\r
252                                                 extension.Annotation = annotation;\r
253                                         continue;\r
254                                 }\r
255                                 if(level <= 2)\r
256                                 {\r
257                                         if(reader.LocalName == "group")\r
258                                         {\r
259                                                 level = 3;\r
260                                                 XmlSchemaGroupRef group = XmlSchemaGroupRef.Read(reader,h);\r
261                                                 if(group != null)\r
262                                                         extension.particle = group;\r
263                                                 continue;\r
264                                         }\r
265                                         if(reader.LocalName == "all")\r
266                                         {\r
267                                                 level = 3;\r
268                                                 XmlSchemaAll all = XmlSchemaAll.Read(reader,h);\r
269                                                 if(all != null)\r
270                                                         extension.particle = all;\r
271                                                 continue;\r
272                                         }\r
273                                         if(reader.LocalName == "choice")\r
274                                         {\r
275                                                 level = 3;\r
276                                                 XmlSchemaChoice choice = XmlSchemaChoice.Read(reader,h);\r
277                                                 if(choice != null)\r
278                                                         extension.particle = choice;\r
279                                                 continue;\r
280                                         }\r
281                                         if(reader.LocalName == "sequence")\r
282                                         {\r
283                                                 level = 3;\r
284                                                 XmlSchemaSequence sequence = XmlSchemaSequence.Read(reader,h);\r
285                                                 if(sequence != null)\r
286                                                         extension.particle = sequence;\r
287                                                 continue;\r
288                                         }\r
289                                 }\r
290                                 if(level <= 3)\r
291                                 {\r
292                                         if(reader.LocalName == "attribute")\r
293                                         {\r
294                                                 level = 3;\r
295                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);\r
296                                                 if(attr != null)\r
297                                                         extension.Attributes.Add(attr);\r
298                                                 continue;\r
299                                         }\r
300                                         if(reader.LocalName == "attributeGroup")\r
301                                         {\r
302                                                 level = 3;\r
303                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);\r
304                                                 if(attr != null)\r
305                                                         extension.attributes.Add(attr);\r
306                                                 continue;\r
307                                         }\r
308                                 }\r
309                                 if(level <= 4 && reader.LocalName == "anyAttribute")\r
310                                 {\r
311                                         level = 5;\r
312                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);\r
313                                         if(anyattr != null)\r
314                                                 extension.AnyAttribute = anyattr;\r
315                                         continue;\r
316                                 }\r
317                                 reader.RaiseInvalidElementError();\r
318                         }\r
319                         return extension;\r
320                 }\r
321         }\r
322 }\r