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

   1 // Author: Dwivedi, Ajay kumar\r
   2 //            Adwiv@Yahoo.com\r
   3 using System;\r
   4 using System.Xml.Serialization;\r
   5 using System.Xml;\r
   6 \r
   7 namespace System.Xml.Schema\r
   8 {\r
   9         /// <summary>\r
  10         /// Summary description for XmlSchemaSimpleType.\r
  11         /// </summary>\r
  12         public class XmlSchemaSimpleType : XmlSchemaType\r
  13         {\r
  14                 private XmlSchemaSimpleTypeContent content;\r
  15                 //compilation vars\r
  16                 internal bool islocal = true; // Assuming local means we have to specify islocal=false only in XmlSchema\r
  17                 private static string xmlname = "simpleType";\r
  18 \r
  19                 public XmlSchemaSimpleType()\r
  20                 {\r
  21                 }\r
  22 \r
  23                 [XmlElement("restriction",typeof(XmlSchemaSimpleTypeRestriction),Namespace=XmlSchema.Namespace)]\r
  24                 [XmlElement("list",typeof(XmlSchemaSimpleTypeList),Namespace=XmlSchema.Namespace)]\r
  25                 [XmlElement("union",typeof(XmlSchemaSimpleTypeUnion),Namespace=XmlSchema.Namespace)]\r
  26                 public XmlSchemaSimpleTypeContent Content\r
  27                 {\r
  28                         get{ return  content; } \r
  29                         set{ content = value; }\r
  30                 }\r
  31 \r
  32                 /// <remarks>\r
  33                 /// For a simple Type:\r
  34                 ///             1. Content must be present\r
  35                 ///             2. id if present, must have be a valid ID\r
  36                 ///             a) If the simpletype is local\r
  37                 ///                     1-      are from <xs:complexType name="simpleType"> and <xs:complexType name="localSimpleType">\r
  38                 ///                     1. name  is prohibited\r
  39                 ///                     2. final is prohibited\r
  40                 ///             b) If the simpletype is toplevel\r
  41                 ///                     1-  are from <xs:complexType name="simpleType"> and <xs:complexType name="topLevelSimpleType">\r
  42                 ///                     1. name is required, type must be NCName\r
  43                 ///                     2. Content is required\r
  44                 ///                     3. final can have values : #all | (list | union | restriction)\r
  45                 ///                     4. If final is set, finalResolved is same as final (but within the values of b.3)\r
  46                 ///                     5. If final is not set, the finalDefault of the schema (ie. only #all and restriction)\r
  47                 ///                     6. Base type is:\r
  48                 ///                             4.1 If restriction is chosen,the base type of restriction or elements\r
  49                 ///                             4.2 otherwise simple ur-type\r
  50                 /// </remarks>\r
  51                 [MonoTODO]\r
  52                 internal int Compile(ValidationEventHandler h, XmlSchema schema)\r
  53                 {\r
  54                         // If this is already compiled this time, simply skip.\r
  55                         if (this.IsComplied (schema.CompilationId))\r
  56                                 return 0;\r
  57 \r
  58                         errorCount = 0;\r
  59 \r
  60                         if(this.islocal) // a\r
  61                         {\r
  62                                 if(this.Name != null) // a.1\r
  63                                         error(h,"Name is prohibited in a local simpletype");\r
  64                                 if(this.Final != XmlSchemaDerivationMethod.None) //a.2\r
  65                                         error(h,"Final is prohibited in a local simpletype");\r
  66                         }\r
  67                         else //b\r
  68                         {\r
  69                                 if(this.Name == null) //b.1\r
  70                                         error(h,"Name is required in top level simpletype");\r
  71                                 else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2\r
  72                                         error(h,"name attribute of a simpleType must be NCName");\r
  73                                 else\r
  74                                         this.qName = new XmlQualifiedName(this.Name,schema.TargetNamespace);\r
  75                                 \r
  76                                 //NOTE: Although the FinalResolved can be Empty, it is not a valid value for Final\r
  77                                 //DEVIATION: If an error occurs, the finaldefault is always consulted. This deviates\r
  78                                 //                       from the way MS implementation works.\r
  79                                 switch(this.Final) //b.3, b.4\r
  80                                 {\r
  81                                         case XmlSchemaDerivationMethod.All:\r
  82                                                 this.finalResolved = XmlSchemaDerivationMethod.All;\r
  83                                                 break;\r
  84                                         case XmlSchemaDerivationMethod.List:\r
  85                                                 this.finalResolved = XmlSchemaDerivationMethod.List;\r
  86                                                 break;\r
  87                                         case XmlSchemaDerivationMethod.Union:\r
  88                                                 this.finalResolved = XmlSchemaDerivationMethod.Union;\r
  89                                                 break;\r
  90                                         case XmlSchemaDerivationMethod.Restriction:\r
  91                                                 this.finalResolved = XmlSchemaDerivationMethod.Restriction;\r
  92                                                 break;\r
  93                                         default:\r
  94                                                 error(h,"The value of final attribute is not valid for simpleType");\r
  95                                                 goto case XmlSchemaDerivationMethod.None;\r
  96                                                 // use assignment from finaldefault on schema.\r
  97                                         case XmlSchemaDerivationMethod.None: // b.5\r
  98                                                 XmlSchemaDerivationMethod flags = \r
  99                                                         (XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.List |\r
 100                                                         XmlSchemaDerivationMethod.Extension | XmlSchemaDerivationMethod.Union );\r
 101                                                 if(schema.FinalDefault == XmlSchemaDerivationMethod.All)\r
 102                                                         finalResolved = XmlSchemaDerivationMethod.All;\r
 103                                                 else if(schema.FinalDefault == XmlSchemaDerivationMethod.None)\r
 104                                                         finalResolved = flags;\r
 105                                                 else \r
 106                                                         finalResolved = schema.FinalDefault & flags;\r
 107                                                 break;\r
 108                                 }\r
 109                         }\r
 110 \r
 111                         XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);\r
 112 \r
 113                         if(this.Content == null) //a.3,b.2\r
 114                                 error(h,"Content is required in a simpletype");\r
 115                         else if(Content is XmlSchemaSimpleTypeRestriction)\r
 116                         {\r
 117                                 errorCount += ((XmlSchemaSimpleTypeRestriction)Content).Compile(h,schema);\r
 118                         }\r
 119                         else if(Content is XmlSchemaSimpleTypeList)\r
 120                         {\r
 121                                 errorCount += ((XmlSchemaSimpleTypeList)Content).Compile(h,schema);\r
 122                         }\r
 123                         else if(Content is XmlSchemaSimpleTypeUnion)\r
 124                         {\r
 125                                 errorCount += ((XmlSchemaSimpleTypeUnion)Content).Compile(h,schema);\r
 126                         }\r
 127                         this.CompilationId = schema.CompilationId;\r
 128                         return errorCount;\r
 129                 }\r
 130                 \r
 131                 [MonoTODO]\r
 132                 internal int Validate(ValidationEventHandler h, XmlSchema schema)\r
 133                 {\r
 134                         if(isCompiled)\r
 135                                 return errorCount;\r
 136 \r
 137                         return errorCount;\r
 138                 }\r
 139 \r
 140                 //<simpleType \r
 141                 //  final = (#all | (list | union | restriction)) \r
 142                 //  id = ID \r
 143                 //  name = NCName \r
 144                 //  {any attributes with non-schema namespace . . .}>\r
 145                 //  Content: (annotation?, (restriction | list | union))\r
 146                 //</simpleType>\r
 147                 internal static XmlSchemaSimpleType Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 148                 {\r
 149                         XmlSchemaSimpleType stype = new XmlSchemaSimpleType();\r
 150                         reader.MoveToElement();\r
 151 \r
 152                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 153                         {\r
 154                                 error(h,"Should not happen :1: XmlSchemaGroup.Read, name="+reader.Name,null);\r
 155                                 reader.Skip();\r
 156                                 return null;\r
 157                         }\r
 158 \r
 159                         stype.LineNumber = reader.LineNumber;\r
 160                         stype.LinePosition = reader.LinePosition;\r
 161                         stype.SourceUri = reader.BaseURI;\r
 162 \r
 163                         while(reader.MoveToNextAttribute())\r
 164                         {\r
 165                                 if(reader.Name == "final")\r
 166                                 {\r
 167                                         Exception innerex;\r
 168                                         stype.Final = XmlSchemaUtil.ReadDerivationAttribute(reader, out innerex, "final");\r
 169                                         if(innerex != null)\r
 170                                                 error(h, "some invalid values not a valid value for final", innerex);\r
 171                                 }\r
 172                                 else if(reader.Name == "id")\r
 173                                 {\r
 174                                         stype.Id = reader.Value;\r
 175                                 }\r
 176                                 else if(reader.Name == "name")\r
 177                                 {\r
 178                                         stype.Name = reader.Value;\r
 179                                 }\r
 180                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 181                                 {\r
 182                                         error(h,reader.Name + " is not a valid attribute for simpleType",null);\r
 183                                 }\r
 184                                 else\r
 185                                 {\r
 186                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,stype);\r
 187                                 }\r
 188                         }\r
 189                         \r
 190                         reader.MoveToElement();\r
 191                         if(reader.IsEmptyElement)\r
 192                                 return stype;\r
 193 \r
 194                         //      Content: (annotation?, (restriction | list | union))\r
 195                         int level = 1;\r
 196                         while(reader.ReadNextElement())\r
 197                         {\r
 198                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 199                                 {\r
 200                                         if(reader.LocalName != xmlname)\r
 201                                                 error(h,"Should not happen :2: XmlSchemaSimpleType.Read, name="+reader.Name,null);\r
 202                                         break;\r
 203                                 }\r
 204                                 if(level <= 1 && reader.LocalName == "annotation")\r
 205                                 {\r
 206                                         level = 2; //Only one annotation\r
 207                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 208                                         if(annotation != null)\r
 209                                                 stype.Annotation = annotation;\r
 210                                         continue;\r
 211                                 }\r
 212                                 if(level <= 2)\r
 213                                 {\r
 214                                         if(reader.LocalName == "restriction")\r
 215                                         {\r
 216                                                 level = 3;\r
 217                                                 XmlSchemaSimpleTypeRestriction restriction = XmlSchemaSimpleTypeRestriction.Read(reader,h);\r
 218                                                 if(restriction != null)\r
 219                                                         stype.content = restriction;\r
 220                                                 continue;\r
 221                                         }\r
 222                                         if(reader.LocalName == "list")\r
 223                                         {\r
 224                                                 level = 3;\r
 225                                                 XmlSchemaSimpleTypeList list = XmlSchemaSimpleTypeList.Read(reader,h);\r
 226                                                 if(list != null)\r
 227                                                         stype.content = list;\r
 228                                                 continue;\r
 229                                         }\r
 230                                         if(reader.LocalName == "union")\r
 231                                         {\r
 232                                                 level = 3;\r
 233                                                 XmlSchemaSimpleTypeUnion union = XmlSchemaSimpleTypeUnion.Read(reader,h);\r
 234                                                 if(union != null)\r
 235                                                         stype.content = union;\r
 236                                                 continue;\r
 237                                         }\r
 238                                 }\r
 239                                 reader.RaiseInvalidElementError();\r
 240                         }\r
 241                         return stype;\r
 242                 }\r
 243 \r
 244 \r
 245         }\r
 246 }\r