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

   1 //\r
   2 // System.Xml.Schema.XmlSchemaSimpleContent.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.Serialization;\r
  31 using System.Xml;\r
  32 \r
  33 namespace System.Xml.Schema\r
  34 {\r
  35         /// <summary>\r
  36         /// Summary description for XmlSchemaSimpleContent.\r
  37         /// </summary>\r
  38         public class XmlSchemaSimpleContent : XmlSchemaContentModel\r
  39         {\r
  40                 private XmlSchemaContent content;\r
  41                 const string xmlname = "simpleContent";\r
  42                 public XmlSchemaSimpleContent()\r
  43                 {\r
  44                 }\r
  45 \r
  46                 [XmlElement("restriction",typeof(XmlSchemaSimpleContentRestriction))]\r
  47                 [XmlElement("extension",typeof(XmlSchemaSimpleContentExtension))]\r
  48                 public override XmlSchemaContent Content \r
  49                 {\r
  50                         get{ return  content; } \r
  51                         set{ content = value; }\r
  52                 }\r
  53 \r
  54                 ///<remarks>\r
  55                 /// 1. Content must be present and one of restriction or extention\r
  56                 ///</remarks>\r
  57                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
  58                 {\r
  59                         // If this is already compiled this time, simply skip.\r
  60                         if (CompilationId == schema.CompilationId)\r
  61                                 return 0;\r
  62 \r
  63                         if(Content == null)\r
  64                         {\r
  65                                 error(h, "Content must be present in a simpleContent");\r
  66                         }\r
  67                         else\r
  68                         {\r
  69 #if NET_2_0\r
  70                                 Content.Parent = this;\r
  71 #endif\r
  72                                 if(Content is XmlSchemaSimpleContentRestriction)\r
  73                                 {\r
  74                                         XmlSchemaSimpleContentRestriction xscr = (XmlSchemaSimpleContentRestriction) Content;\r
  75                                         errorCount += xscr.Compile(h, schema);\r
  76                                 }\r
  77                                 else if(Content is XmlSchemaSimpleContentExtension)\r
  78                                 {\r
  79                                         XmlSchemaSimpleContentExtension xsce = (XmlSchemaSimpleContentExtension) Content;\r
  80                                         errorCount += xsce.Compile(h, schema);\r
  81                                 }\r
  82                                 else\r
  83                                         error(h,"simpleContent can't have any value other than restriction or extention");\r
  84                         }\r
  85                         \r
  86                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);\r
  87                         this.CompilationId = schema.CompilationId;\r
  88                         return errorCount;\r
  89                 }\r
  90                 \r
  91                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
  92                 {\r
  93                         if (IsValidated (schema.ValidationId))\r
  94                                 return errorCount;\r
  95 \r
  96                         errorCount += this.Content.Validate (h, schema);\r
  97 \r
  98                         ValidationId = schema.ValidationId;\r
  99                         return errorCount;\r
 100                 }\r
 101                 //<simpleContent \r
 102                 //  id = ID \r
 103                 //  {any attributes with non-schema namespace . . .}>\r
 104                 //  Content: (annotation?, (restriction | extension))\r
 105                 //</simpleContent>\r
 106                 internal static XmlSchemaSimpleContent Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 107                 {\r
 108                         XmlSchemaSimpleContent simple = new XmlSchemaSimpleContent();\r
 109                         reader.MoveToElement();\r
 110 \r
 111                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 112                         {\r
 113                                 error(h,"Should not happen :1: XmlSchemaComplexContent.Read, name="+reader.Name,null);\r
 114                                 reader.SkipToEnd();\r
 115                                 return null;\r
 116                         }\r
 117 \r
 118                         simple.LineNumber = reader.LineNumber;\r
 119                         simple.LinePosition = reader.LinePosition;\r
 120                         simple.SourceUri = reader.BaseURI;\r
 121 \r
 122                         while(reader.MoveToNextAttribute())\r
 123                         {\r
 124                                 if(reader.Name == "id")\r
 125                                 {\r
 126                                         simple.Id = reader.Value;\r
 127                                 }\r
 128                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 129                                 {\r
 130                                         error(h,reader.Name + " is not a valid attribute for simpleContent",null);\r
 131                                 }\r
 132                                 else\r
 133                                 {\r
 134                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,simple);\r
 135                                 }\r
 136                         }\r
 137                         \r
 138                         reader.MoveToElement();\r
 139                         if(reader.IsEmptyElement)\r
 140                                 return simple;\r
 141                         //Content: (annotation?, (restriction | extension))\r
 142                         int level = 1;\r
 143                         while(reader.ReadNextElement())\r
 144                         {\r
 145                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 146                                 {\r
 147                                         if(reader.LocalName != xmlname)\r
 148                                                 error(h,"Should not happen :2: XmlSchemaSimpleContent.Read, name="+reader.Name,null);\r
 149                                         break;\r
 150                                 }\r
 151                                 if(level <= 1 && reader.LocalName == "annotation")\r
 152                                 {\r
 153                                         level = 2; //Only one annotation\r
 154                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 155                                         if(annotation != null)\r
 156                                                 simple.Annotation = annotation;\r
 157                                         continue;\r
 158                                 }\r
 159                                 if(level <=2)\r
 160                                 {\r
 161                                         if(reader.LocalName == "restriction")\r
 162                                         {\r
 163                                                 level = 3;\r
 164                                                 XmlSchemaSimpleContentRestriction restriction = XmlSchemaSimpleContentRestriction.Read(reader,h);\r
 165                                                 if(restriction != null)\r
 166                                                         simple.content = restriction;\r
 167                                                 continue;\r
 168                                         }\r
 169                                         if(reader.LocalName == "extension")\r
 170                                         {\r
 171                                                 level = 3;\r
 172                                                 XmlSchemaSimpleContentExtension extension = XmlSchemaSimpleContentExtension.Read(reader,h);\r
 173                                                 if(extension != null)\r
 174                                                         simple.content = extension;\r
 175                                                 continue;\r
 176                                         }\r
 177                                 }\r
 178                                 reader.RaiseInvalidElementError();\r
 179                         }\r
 180                         return simple;\r
 181                 }\r
 182 \r
 183         }\r
 184 }\r