mcs/class/Commons.Xml.Relaxng/Commons.Xml.Nvdl/NvdlXsdSupport.cs

   1 using System;
   2 using System.Collections;
   3 using System.Collections.Specialized;
   4 using System.Xml;
   5 using System.Xml.Schema;
   6
   7 namespace Commons.Xml.Nvdl
   8 {
   9         public class NvdlXsdValidatorProvider : NvdlValidationProvider
  10         {
  11                 public override NvdlValidatorGenerator CreateGenerator (
  12                         XmlReader reader, NvdlConfig config)
  13                 {
  14                         if (reader.NamespaceURI != XmlSchema.Namespace)
  15                                 return null;
  16                         ArrayList al = new ArrayList ();
  17                         while (!reader.EOF) {
  18                                 if (reader.NodeType != XmlNodeType.Element) {
  19                                         reader.Read ();
  20                                         continue;
  21                                 }
  22                                 reader.MoveToContent ();
  23                                 XmlSchema xs = XmlSchema.Read (reader, null);
  24                                 xs.Compile (null, config.XmlResolverInternal);
  25                                 al.Add (xs);
  26                                 reader.Read ();
  27                         }
  28                         return new NvdlXsdValidatorGenerator (al.ToArray (typeof (XmlSchema)) as XmlSchema []);
  29                 }
  30         }
  31
  32         internal class NvdlXsdValidatorGenerator : NvdlValidatorGenerator
  33         {
  34                 XmlSchema [] schemas;
  35
  36                 public NvdlXsdValidatorGenerator (XmlSchema [] schemas)
  37                 {
  38                         this.schemas = schemas;
  39                 }
  40
  41                 public override XmlReader CreateValidator (XmlReader reader,
  42                         XmlResolver resolver)
  43                 {
  44 #if NET_2_0
  45                         XmlReaderSettings s = new XmlReaderSettings ();
  46                         s.ValidationType = ValidationType.Schema;
  47                         // do not allow inline schema and schemaLocation.
  48                         s.ValidationFlags = XmlSchemaValidationFlags.ProcessIdentityConstraints;
  49                         s.XmlResolver = resolver;
  50                         foreach (XmlSchema schema in schemas)
  51                                 s.Schemas.Add (schema);
  52                         return XmlReader.Create (reader, s);
  53 #else
  54                         XmlValidatingReader xvr =
  55                                 new XmlValidatingReader (reader);
  56                         xvr.XmlResolver = resolver;
  57                         foreach (XmlSchema schema in schemas)
  58                                 xvr.Schemas.Add (schema);
  59                         return xvr;
  60 #endif
  61                 }
  62
  63                 public override bool AddOption (string name, string arg)
  64                 {
  65                         return false;
  66                 }
  67
  68                 public override bool HandleError (Exception ex, XmlReader reader, string nvdlLocation)
  69                 {
  70                         if (ex is XmlSchemaException)
  71                                 throw new NvdlInstanceValidationException (String.Format ("XML schema validation error occured as a part of NVDL validation."), ex, this, nvdlLocation);
  72                         return false;
  73                 }
  74         }
  75 }