mcs/class/System.XML/System.Xml.Schema/XmlSchemaAll.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 XmlSchemaAll.\r
  11         /// </summary>\r
  12         public class XmlSchemaAll : XmlSchemaGroupBase\r
  13         {\r
  14                 private XmlSchemaObjectCollection items;\r
  15                 private static string xmlname = "all";\r
  16 \r
  17                 public XmlSchemaAll()\r
  18                 {\r
  19                         items = new XmlSchemaObjectCollection();\r
  20                 }\r
  21 \r
  22                 [XmlElement("element",typeof(XmlSchemaElement),Namespace="http://www.w3.org/2001/XMLSchema")]\r
  23                 public override XmlSchemaObjectCollection Items \r
  24                 {\r
  25                         get{ return items; }\r
  26                 }\r
  27 \r
  28                 /// <remarks>\r
  29                 /// 1. MaxOccurs must be one. (default is also one)\r
  30                 /// 2. MinOccurs must be zero or one.\r
  31                 /// </remarks>\r
  32                 [MonoTODO]\r
  33                 internal int Compile(ValidationEventHandler h, XmlSchemaInfo info)\r
  34                 {\r
  35                         //FIXME: Should we reset the values on error??\r
  36                         if(MaxOccurs != Decimal.One)\r
  37                                 error(h,"maxOccurs must be 1");\r
  38                         if(MinOccurs != Decimal.One && MinOccurs != Decimal.Zero)\r
  39                                 error(h,"minOccurs must be 0 or 1");\r
  40 \r
  41                         XmlSchemaUtil.CompileID(Id, this, info.IDCollection, h);\r
  42 \r
  43                         foreach(XmlSchemaObject obj in Items)\r
  44                         {\r
  45                                 if(obj is XmlSchemaElement)\r
  46                                 {\r
  47                                         XmlSchemaElement elem = (XmlSchemaElement)obj;\r
  48                                         if(elem.MaxOccurs != Decimal.One && elem.MaxOccurs != Decimal.Zero)\r
  49                                         {\r
  50                                                 elem.error(h,"The {max occurs} of all the elements of 'all' must be 0 or 1. ");\r
  51                                         }\r
  52                                         errorCount += elem.Compile(h,info);\r
  53                                 }\r
  54                                 else\r
  55                                 {\r
  56                                         error(h,"XmlSchemaAll can only contain Items of type Element");\r
  57                                 }\r
  58                         }\r
  59 \r
  60                         return errorCount;\r
  61                 }\r
  62 \r
  63                 [MonoTODO]\r
  64                 internal int Validate(ValidationEventHandler h)\r
  65                 {\r
  66                         return errorCount;\r
  67                 }\r
  68                 //<all\r
  69                 //  id = ID\r
  70                 //  maxOccurs = 1 : 1\r
  71                 //  minOccurs = (0 | 1) : 1\r
  72                 //  {any attributes with non-schema namespace . . .}>\r
  73                 //  Content: (annotation?, element*)\r
  74                 //</all>\r
  75                 internal static XmlSchemaAll Read(XmlSchemaReader reader, ValidationEventHandler h)\r
  76                 {\r
  77                         XmlSchemaAll all = new XmlSchemaAll();\r
  78                         reader.MoveToElement();\r
  79 \r
  80                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
  81                         {\r
  82                                 error(h,"Should not happen :1: XmlSchemaAll.Read, name="+reader.Name,null);\r
  83                                 reader.SkipToEnd();\r
  84                                 return null;\r
  85                         }\r
  86                         \r
  87                         all.LineNumber = reader.LineNumber;\r
  88                         all.LinePosition = reader.LinePosition;\r
  89                         all.SourceUri = reader.BaseURI;\r
  90 \r
  91                         //Read Attributes\r
  92                         while(reader.MoveToNextAttribute())\r
  93                         {\r
  94                                 if(reader.Name == "id")\r
  95                                 {\r
  96                                         all.Id = reader.Value;\r
  97                                 }\r
  98                                 else if(reader.Name == "maxOccurs")\r
  99                                 {\r
 100                                         try\r
 101                                         {\r
 102                                                 all.MaxOccursString = reader.Value;\r
 103                                         }\r
 104                                         catch(Exception e)\r
 105                                         {\r
 106                                                 error(h,reader.Value + " is an invalid value for maxOccurs",e);\r
 107                                         }\r
 108                                 }\r
 109                                 else if(reader.Name == "minOccurs")\r
 110                                 {\r
 111                                         try\r
 112                                         {\r
 113                                                 all.MinOccursString = reader.Value;\r
 114                                         }\r
 115                                         catch(Exception e)\r
 116                                         {\r
 117                                                 error(h,reader.Value + " is an invalid value for minOccurs",e);\r
 118                                         }\r
 119                                 }\r
 120                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 121                                 {\r
 122                                         error(h,reader.Name + " is not a valid attribute for all",null);\r
 123                                 }\r
 124                                 else\r
 125                                 {\r
 126                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,all);\r
 127                                 }\r
 128                         }\r
 129                         \r
 130                         reader.MoveToElement();\r
 131                         if(reader.IsEmptyElement)\r
 132                                 return all;\r
 133 \r
 134                         //Content: (annotation?, element*)\r
 135                         int level = 1;\r
 136                         while(reader.ReadNextElement())\r
 137                         {\r
 138                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 139                                 {\r
 140                                         if(reader.LocalName != xmlname)\r
 141                                                 error(h,"Should not happen :2: XmlSchemaAll.Read, name="+reader.Name,null);\r
 142                                         break;\r
 143                                 }\r
 144                                 if(level <= 1 && reader.LocalName == "annotation")\r
 145                                 {\r
 146                                         level = 2;      //Only one annotation\r
 147                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 148                                         if(annotation != null)\r
 149                                                 all.Annotation = annotation;\r
 150                                         continue;\r
 151                                 }\r
 152                                 if(level <=2 && reader.LocalName == "element")\r
 153                                 {\r
 154                                         level = 2;\r
 155                                         XmlSchemaElement element = XmlSchemaElement.Read(reader,h);\r
 156                                         if(element != null)\r
 157                                                 all.items.Add(element);\r
 158                                         continue;\r
 159                                 }\r
 160                                 reader.RaiseInvalidElementError();\r
 161                         }\r
 162                         return all;\r
 163                 }\r
 164         }\r
 165 }\r