mcs/class/System.XML/System.Xml.Schema/XmlSchemaSimpleTypeList.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 \r
   8 namespace System.Xml.Schema\r
   9 {\r
  10         /// <summary>\r
  11         /// Summary description for XmlSchemaSimpleTypeList.\r
  12         /// </summary>\r
  13         public class XmlSchemaSimpleTypeList : XmlSchemaSimpleTypeContent\r
  14         {\r
  15                 private XmlSchemaSimpleType itemType;\r
  16                 private XmlQualifiedName itemTypeName;\r
  17                 const string xmlname = "list";\r
  18                 private object validatedListItemType;\r
  19 \r
  20                 public XmlSchemaSimpleTypeList()\r
  21                 {\r
  22                         this.ItemTypeName = XmlQualifiedName.Empty;\r
  23                 }\r
  24 \r
  25                 [System.Xml.Serialization.XmlAttribute("itemType")]\r
  26                 public XmlQualifiedName ItemTypeName\r
  27                 {\r
  28                         get{ return itemTypeName; } \r
  29                         set\r
  30                         {\r
  31                                 itemTypeName = value;\r
  32                         }\r
  33                 }\r
  34 \r
  35                 [XmlElement("simpleType",Namespace=XmlSchema.Namespace)]\r
  36                 public XmlSchemaSimpleType ItemType \r
  37                 {\r
  38                         get{ return itemType; } \r
  39                         set\r
  40                         {\r
  41                                 itemType = value;\r
  42                         }\r
  43                 }\r
  44                 internal object ValidatedListItemType\r
  45                 {\r
  46                         get { return validatedListItemType; }\r
  47                 }\r
  48 \r
  49                 /// <remarks>\r
  50                 /// 1. One of itemType or a <simpleType> must be present, but not both.\r
  51                 /// 2. id must be of type ID\r
  52                 /// </remarks>\r
  53                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
  54                 {\r
  55                         // If this is already compiled this time, simply skip.\r
  56                         if (this.IsComplied (schema.CompilationId))\r
  57                                 return 0;\r
  58 \r
  59                         errorCount = 0;\r
  60 \r
  61                         if(ItemType != null && !ItemTypeName.IsEmpty)\r
  62                                 error(h, "both itemType and simpletype can't be present");\r
  63                         if(ItemType == null && ItemTypeName.IsEmpty)\r
  64                                 error(h, "one of itemType or simpletype must be present");\r
  65                         if(ItemType != null)\r
  66                         {\r
  67                                 errorCount += ItemType.Compile(h,schema);\r
  68                         }\r
  69                         if(!XmlSchemaUtil.CheckQName(ItemTypeName))\r
  70                                 error(h,"BaseTypeName must be a XmlQualifiedName");\r
  71                         \r
  72                         XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);\r
  73 \r
  74                         this.CompilationId = schema.CompilationId;\r
  75                         return errorCount;\r
  76                 }\r
  77                 \r
  78                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
  79                 {\r
  80                         if (IsValidated (schema.ValidationId))\r
  81                                 return errorCount;\r
  82 \r
  83                         // ListItemType\r
  84                         XmlSchemaSimpleType type = itemType;\r
  85                         if (type == null)\r
  86                                 type = schema.SchemaTypes [itemTypeName] as XmlSchemaSimpleType;\r
  87                         if (type != null) {\r
  88                                 errorCount += type.Validate (h, schema);\r
  89                                 validatedListItemType = type;\r
  90                         } else if (itemTypeName == XmlSchemaComplexType.AnyTypeName) {\r
  91                                 validatedListItemType = XmlSchemaSimpleType.AnySimpleType;
  92                         } else if (XmlSchemaUtil.IsBuiltInDatatypeName (itemTypeName)) {\r
  93                                 validatedListItemType = XmlSchemaDatatype.FromName (itemTypeName);\r
  94                                 if (validatedListItemType == null)\r
  95                                         error (h, "Invalid schema type name was specified: " + itemTypeName);\r
  96                         }\r
  97                         // otherwise, it might be missing sub components.\r
  98                         else if (!schema.IsNamespaceAbsent (itemTypeName.Namespace))\r
  99                                 error (h, "Referenced base list item schema type " + itemTypeName + " was not found.");\r
 100 \r
 101                         ValidationId = schema.ValidationId;\r
 102                         return errorCount;\r
 103                 }\r
 104 \r
 105                 //<list \r
 106                 //  id = ID \r
 107                 //  itemType = QName \r
 108                 //  {any attributes with non-schema namespace . . .}>\r
 109                 //  Content: (annotation?, (simpleType?))\r
 110                 //</list>\r
 111                 internal static XmlSchemaSimpleTypeList Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 112                 {\r
 113                         XmlSchemaSimpleTypeList list = new XmlSchemaSimpleTypeList();\r
 114                         reader.MoveToElement();\r
 115 \r
 116                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 117                         {\r
 118                                 error(h,"Should not happen :1: XmlSchemaSimpleTypeList.Read, name="+reader.Name,null);\r
 119                                 reader.Skip();\r
 120                                 return null;\r
 121                         }\r
 122 \r
 123                         list.LineNumber = reader.LineNumber;\r
 124                         list.LinePosition = reader.LinePosition;\r
 125                         list.SourceUri = reader.BaseURI;\r
 126 \r
 127                         while(reader.MoveToNextAttribute())\r
 128                         {\r
 129                                 if(reader.Name == "id")\r
 130                                 {\r
 131                                         list.Id = reader.Value;\r
 132                                 }\r
 133                                 else if(reader.Name == "itemType")\r
 134                                 {\r
 135                                         Exception innerex;\r
 136                                         list.ItemTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);\r
 137                                         if(innerex != null)\r
 138                                                 error(h, reader.Value + " is not a valid value for itemType attribute",innerex);\r
 139                                 }\r
 140                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 141                                 {\r
 142                                         error(h,reader.Name + " is not a valid attribute for list",null);\r
 143                                 }\r
 144                                 else\r
 145                                 {\r
 146                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,list);\r
 147                                 }\r
 148                         }\r
 149                         \r
 150                         reader.MoveToElement();\r
 151                         if(reader.IsEmptyElement)\r
 152                                 return list;\r
 153                         //  Content: annotation?, simpleType?\r
 154                         int level = 1;\r
 155                         while(reader.ReadNextElement())\r
 156                         {\r
 157                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 158                                 {\r
 159                                         if(reader.LocalName != xmlname)\r
 160                                                 error(h,"Should not happen :2: XmlSchemaSimpleTypeList.Read, name="+reader.Name,null);\r
 161                                         break;\r
 162                                 }\r
 163                                 if(level <= 1 && reader.LocalName == "annotation")\r
 164                                 {\r
 165                                         level = 2; //Only one annotation\r
 166                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 167                                         if(annotation != null)\r
 168                                                 list.Annotation = annotation;\r
 169                                         continue;\r
 170                                 }\r
 171                                 if(level <= 2 && reader.LocalName == "simpleType")\r
 172                                 {\r
 173                                         level = 3;\r
 174                                         XmlSchemaSimpleType stype = XmlSchemaSimpleType.Read(reader,h);\r
 175                                         if(stype != null)\r
 176                                                 list.itemType = stype;\r
 177                                         continue;\r
 178                                 }\r
 179                                 reader.RaiseInvalidElementError();\r
 180                         }\r
 181                         return list;\r
 182                 }\r
 183         }\r
 184 }\r