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

   1 // Author: Dwivedi, Ajay kumar\r
   2 //            Adwiv@Yahoo.com\r
   3 using System;\r
   4 using System.Xml.Serialization;\r
   5 \r
   6 namespace System.Xml.Schema\r
   7 {\r
   8         /// <summary>\r
   9         /// Summary description for XmlSchemaGroupBase.\r
  10         /// </summary>\r
  11         public abstract class XmlSchemaGroupBase : XmlSchemaParticle\r
  12         {\r
  13                 private XmlSchemaObjectCollection compiledItems;\r
  14 \r
  15                 protected XmlSchemaGroupBase()\r
  16                 {\r
  17                         compiledItems = new XmlSchemaObjectCollection ();\r
  18                 }\r
  19 \r
  20                 [XmlIgnore]\r
  21                 public abstract XmlSchemaObjectCollection Items { get; }\r
  22 \r
  23                 internal XmlSchemaObjectCollection CompiledItems \r
  24                 {\r
  25                         get{ return compiledItems; }\r
  26                 }\r
  27 \r
  28                 internal override bool ParticleEquals (XmlSchemaParticle other)\r
  29                 {\r
  30                         XmlSchemaChoice choice = other as XmlSchemaChoice;\r
  31                         if (choice == null)\r
  32                                 return false;\r
  33                         if (this.ValidatedMaxOccurs != choice.ValidatedMaxOccurs ||\r
  34                                 this.ValidatedMinOccurs != choice.ValidatedMinOccurs)\r
  35                                 return false;\r
  36                         if (this.CompiledItems.Count != choice.CompiledItems.Count)\r
  37                                 return false;\r
  38                         for (int i = 0; i < CompiledItems.Count; i++) {\r
  39                                 XmlSchemaParticle p1 = this.CompiledItems [i] as XmlSchemaParticle;\r
  40                                 XmlSchemaParticle p2 = choice.CompiledItems [i] as XmlSchemaParticle;\r
  41                                 if (!p1.ParticleEquals (p2))\r
  42                                         return false;\r
  43                         }\r
  44                         return true;\r
  45                 }\r
  46 \r
  47                 internal void ValidateNSRecurseCheckCardinality (XmlSchemaAny any,\r
  48                         ValidationEventHandler h, XmlSchema schema)\r
  49                 {\r
  50                         foreach (XmlSchemaParticle p in Items)\r
  51                                 p.ValidateDerivationByRestriction (any, h, schema);\r
  52                         ValidateOccurenceRangeOK (any, h, schema);\r
  53                 }\r
  54 \r
  55                 internal void ValidateRecurse (XmlSchemaGroupBase baseGroup,\r
  56                         ValidationEventHandler h, XmlSchema schema)\r
  57                 {\r
  58                         int index = 0;\r
  59                         for (int i = 0; i < baseGroup.CompiledItems.Count; i++) {\r
  60                                 XmlSchemaParticle pb = baseGroup.CompiledItems [i] as XmlSchemaParticle;\r
  61                                 if (pb.ActualParticle == XmlSchemaParticle.Empty)\r
  62                                         continue;\r
  63                                 XmlSchemaParticle pd = null;\r
  64                                 while (this.CompiledItems.Count > index) {\r
  65                                         pd = this.CompiledItems [index] as XmlSchemaParticle;\r
  66                                         index++;\r
  67                                         if (pd.ActualParticle != XmlSchemaParticle.Empty)\r
  68                                                 break;\r
  69                                 }\r
  70                                 if (pd != null) {\r
  71                                         try {\r
  72                                                 pd.ActualParticle.ValidateDerivationByRestriction (pb.ActualParticle, h, schema);\r
  73                                         } catch (XmlSchemaException ex) {\r
  74                                                 if (!pb.ValidateIsEmptiable ())\r
  75                                                         error (h, "Invalid particle derivation by restriction was found. Invalid sub-particle derivation was found.", ex);\r
  76                                                 else\r
  77                                                         index--; // try the same derived particle and next base particle.\r
  78                                         }\r
  79                                 } else if (!pb.ValidateIsEmptiable ()) {\r
  80                                         error (h, "Invalid particle derivation by restriction was found. Base schema particle has non-emptiable sub particle that is not mapped to the derived particle.");\r
  81                                         return;\r
  82                                 }\r
  83                         }\r
  84                         if (index != this.CompiledItems.Count)\r
  85                                 error (h, "Invalid particle derivation by restriction was found. Extraneous derived particle was found.");\r
  86                 }\r
  87         }\r
  88 }\r