2002-12-24 Atsushi Enomoto <ginga@kit.hi-ho.ne.jp>

[mono.git] / mcs / class / System.XML / System.Xml.Schema / XmlSchemaKey.cs

diff --git a/mcs/class/System.XML/System.Xml.Schema/XmlSchemaKey.cs b/mcs/class/System.XML/System.Xml.Schema/XmlSchemaKey.cs
index c05942b684a505d1146a729fef04d102064dc895..b883f9e8da7ffbdfb3938c3bf36067f5ca550018 100755 (executable)
--- a/mcs/class/System.XML/System.Xml.Schema/XmlSchemaKey.cs
+++ b/mcs/class/System.XML/System.Xml.Schema/XmlSchemaKey.cs
@@ -1,6 +1,7 @@
 // Author: Dwivedi, Ajay kumar\r
 //            Adwiv@Yahoo.com\r
 using System;\r
+using System.Xml;\r
 \r
 namespace System.Xml.Schema\r
 {\r
@@ -9,7 +10,7 @@ namespace System.Xml.Schema
        /// </summary>\r
        public class XmlSchemaKey : XmlSchemaIdentityConstraint\r
        {\r
-               private int errorCount;\r
+               private static string xmlname = "key";\r
 \r
                public XmlSchemaKey()\r
                {\r
@@ -35,5 +36,92 @@ namespace System.Xml.Schema
                        errorCount++;\r
                        ValidationHandler.RaiseValidationError(handle, this, message);\r
                }\r
+\r
+               //<key \r
+               //  id = ID \r
+               //  name = NCName \r
+               //  {any attributes with non-schema namespace . . .}>\r
+               //  Content: (annotation?, (selector, field+))\r
+               //</key>\r
+               internal static XmlSchemaKey Read(XmlSchemaReader reader, ValidationEventHandler h)\r
+               {\r
+                       XmlSchemaKey key = new XmlSchemaKey();\r
+                       reader.MoveToElement();\r
+\r
+                       if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
+                       {\r
+                               error(h,"Should not happen :1: XmlSchemaKey.Read, name="+reader.Name,null);\r
+                               reader.Skip();\r
+                               return null;\r
+                       }\r
+\r
+                       key.LineNumber = reader.LineNumber;\r
+                       key.LinePosition = reader.LinePosition;\r
+                       key.SourceUri = reader.BaseURI;\r
+\r
+                       while(reader.MoveToNextAttribute())\r
+                       {\r
+                               if(reader.Name == "id")\r
+                               {\r
+                                       key.Id = reader.Value;\r
+                               }\r
+                               else if(reader.Name == "name")\r
+                               {\r
+                                       key.Name = reader.Value;\r
+                               }\r
+                               else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
+                               {\r
+                                       error(h,reader.Name + " is not a valid attribute for key",null);\r
+                               }\r
+                               else\r
+                               {\r
+                                       XmlSchemaUtil.ReadUnhandledAttribute(reader,key);\r
+                               }\r
+                       }\r
+                       \r
+                       reader.MoveToElement();\r
+                       if(reader.IsEmptyElement)\r
+                               return key;\r
+\r
+                       //  Content: annotation?, selector, field+\r
+                       int level = 1;\r
+                       while(reader.ReadNextElement())\r
+                       {\r
+                               if(reader.NodeType == XmlNodeType.EndElement)\r
+                               {\r
+                                       if(reader.LocalName != xmlname)\r
+                                               error(h,"Should not happen :2: XmlSchemaKey.Read, name="+reader.Name,null);\r
+                                       break;\r
+                               }\r
+                               if(level <= 1 && reader.LocalName == "annotation")\r
+                               {\r
+                                       level = 2; //Only one annotation\r
+                                       XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
+                                       if(annotation != null)\r
+                                               key.Annotation = annotation;\r
+                                       continue;\r
+                               }\r
+                               if(level <= 2 && reader.LocalName == "selector")\r
+                               {\r
+                                       level = 3;\r
+                                       XmlSchemaXPath selector = XmlSchemaXPath.Read(reader,h,"selector");\r
+                                       if(selector != null)\r
+                                               key.Selector = selector;\r
+                                       continue;\r
+                               }\r
+                               if(level <= 3 && reader.LocalName == "field")\r
+                               {\r
+                                       level = 3;\r
+                                       if(key.Selector == null)\r
+                                               error(h,"selector must be defined before field declarations",null);\r
+                                       XmlSchemaXPath field = XmlSchemaXPath.Read(reader,h,"field");\r
+                                       if(field != null)\r
+                                               key.Fields.Add(field);\r
+                                       continue;\r
+                               }\r
+                               reader.RaiseInvalidElementError();\r
+                       }\r
+                       return key;\r
+               }\r
        }\r
 }\r