// Author: Dwivedi, Ajay kumar\r
// Adwiv@Yahoo.com\r
+
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
using System;\r
+using System.Xml;\r
\r
namespace System.Xml.Schema\r
{\r
/// </summary>\r
public class XmlSchemaKey : XmlSchemaIdentityConstraint\r
{\r
+ const string xmlname = "key";\r
+\r
public XmlSchemaKey()\r
{\r
}\r
+ /// <remarks>\r
+ /// 1. name must be present\r
+ /// 2. selector and field must be present\r
+ /// </remarks>\r
+ internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
+ {\r
+ return base.Compile(h, schema);\r
+ }\r
+ \r
+ /*\r
+ internal new void error(ValidationEventHandler handle, string message)\r
+ {\r
+ errorCount++;\r
+ ValidationHandler.RaiseValidationError(handle, this, message);\r
+ }\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
projects / mono.git / blobdiff