mcs/class/System.XML/System.Xml.Schema/XmlSchemaGroupRef.cs

   1 // Author: Dwivedi, Ajay kumar\r
   2 //            Adwiv@Yahoo.com\r
   3 using System;\r
   4 using System.Xml;\r
   5 using System.Xml.Serialization;\r
   6 \r
   7 namespace System.Xml.Schema\r
   8 {\r
   9         /// <summary>\r
  10         /// Summary description for XmlSchemaGroupRef.\r
  11         /// </summary>\r
  12         public class XmlSchemaGroupRef : XmlSchemaParticle\r
  13         {\r
  14                 private XmlSchemaGroupBase particle;\r
  15                 private XmlQualifiedName refName;\r
  16                 private static string xmlname = "group";\r
  17 \r
  18                 public XmlSchemaGroupRef()\r
  19                 {\r
  20                         refName = XmlQualifiedName.Empty;\r
  21                 }\r
  22                 [System.Xml.Serialization.XmlAttribute("ref")]\r
  23                 public XmlQualifiedName RefName \r
  24                 {\r
  25                         get{ return  refName; } \r
  26                         set{ refName = value; }\r
  27                 }\r
  28                 [XmlIgnore]\r
  29                 public XmlSchemaGroupBase Particle \r
  30                 {\r
  31                         get{ return particle; }\r
  32                 }\r
  33                 /// <remarks>\r
  34                 /// 1. RefName must be present\r
  35                 /// </remarks>\r
  36                 [MonoTODO]\r
  37                 internal int Compile(ValidationEventHandler h, XmlSchemaInfo info)\r
  38                 {\r
  39                         //FIXME: Should we reset the values\r
  40                         if(MinOccurs > MaxOccurs)\r
  41                                 error(h,"minOccurs must be less than or equal to maxOccurs");\r
  42 \r
  43                         XmlSchemaUtil.CompileID(Id,this,info.IDCollection,h);\r
  44 \r
  45                         if(refName == null || refName.IsEmpty)\r
  46                         {\r
  47                                 error(h,"ref must be present");\r
  48                         }\r
  49                         else if(!XmlSchemaUtil.CheckQName(RefName))\r
  50                                 error(h, "RefName must be a valid XmlQualifiedName");\r
  51 \r
  52                         return errorCount;\r
  53                 }\r
  54                 \r
  55                 [MonoTODO]\r
  56                 internal int Validate(ValidationEventHandler h)\r
  57                 {\r
  58                         return errorCount;\r
  59                 }\r
  60 \r
  61                 //      <group \r
  62                 //               id = ID \r
  63                 //               ref = QName\r
  64                 //               minOccurs = ? : 1\r
  65                 //               maxOccurs = ? : 1>\r
  66                 //               Content: (annotation?)\r
  67                 //      </group>\r
  68                 internal static XmlSchemaGroupRef Read(XmlSchemaReader reader, ValidationEventHandler h)\r
  69                 {\r
  70                         XmlSchemaGroupRef groupref = new XmlSchemaGroupRef();\r
  71                         reader.MoveToElement();\r
  72 \r
  73                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
  74                         {\r
  75                                 error(h,"Should not happen :1: XmlSchemaGroup.Read, name="+reader.Name,null);\r
  76                                 reader.Skip();\r
  77                                 return null;\r
  78                         }\r
  79 \r
  80                         groupref.LineNumber = reader.LineNumber;\r
  81                         groupref.LinePosition = reader.LinePosition;\r
  82                         groupref.SourceUri = reader.BaseURI;\r
  83 \r
  84                         while(reader.MoveToNextAttribute())\r
  85                         {\r
  86                                 if(reader.Name == "id")\r
  87                                 {\r
  88                                         groupref.Id = reader.Value;\r
  89                                 }\r
  90                                 else if(reader.Name == "ref")\r
  91                                 {\r
  92                                         Exception innerex;\r
  93                                         groupref.refName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);\r
  94                                         if(innerex != null)\r
  95                                                 error(h, reader.Value + " is not a valid value for ref attribute",innerex);\r
  96                                 }\r
  97                                 else if(reader.Name == "maxOccurs")\r
  98                                 {\r
  99                                         try\r
 100                                         {\r
 101                                                 groupref.MaxOccursString = reader.Value;\r
 102                                         }\r
 103                                         catch(Exception e)\r
 104                                         {\r
 105                                                 error(h,reader.Value + " is an invalid value for maxOccurs",e);\r
 106                                         }\r
 107                                 }\r
 108                                 else if(reader.Name == "minOccurs")\r
 109                                 {\r
 110                                         try\r
 111                                         {\r
 112                                                 groupref.MinOccursString = reader.Value;\r
 113                                         }\r
 114                                         catch(Exception e)\r
 115                                         {\r
 116                                                 error(h,reader.Value + " is an invalid value for minOccurs", e);\r
 117                                         }\r
 118                                 }\r
 119                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 120                                 {\r
 121                                         error(h,reader.Name + " is not a valid attribute for group",null);\r
 122                                 }\r
 123                                 else\r
 124                                 {\r
 125                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,groupref);\r
 126                                 }\r
 127                         }\r
 128                         \r
 129                         reader.MoveToElement();\r
 130                         if(reader.IsEmptyElement)\r
 131                                 return groupref;\r
 132 \r
 133                         //  Content: (annotation?)\r
 134                         int level = 1;\r
 135                         while(reader.ReadNextElement())\r
 136                         {\r
 137                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 138                                 {\r
 139                                         if(reader.LocalName != xmlname)\r
 140                                                 error(h,"Should not happen :2: XmlSchemaGroupRef.Read, name="+reader.Name,null);\r
 141                                         break;\r
 142                                 }\r
 143                                 if(level <= 1 && reader.LocalName == "annotation")\r
 144                                 {\r
 145                                         level = 2;      //Only one annotation\r
 146                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 147                                         if(annotation != null)\r
 148                                                 groupref.Annotation = annotation;\r
 149                                         continue;\r
 150                                 }\r
 151                                 reader.RaiseInvalidElementError();\r
 152                         }                       \r
 153                         return groupref;\r
 154                 }\r
 155         }\r
 156 }\r