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

   1 //\r
   2 // XmlSchemaGroupBase.cs\r
   3 //\r
   4 // Authors:\r
   5 //      Dwivedi, Ajay kumar Adwiv@Yahoo.com\r
   6 //      Atsushi Enomoto atsushi@ximian.com\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 \r
  32 namespace System.Xml.Schema\r
  33 {\r
  34         public abstract class XmlSchemaGroupBase : XmlSchemaParticle\r
  35         {\r
  36                 private XmlSchemaObjectCollection compiledItems;\r
  37 \r
  38                 protected XmlSchemaGroupBase ()\r
  39                 {\r
  40                         compiledItems = new XmlSchemaObjectCollection ();\r
  41                 }\r
  42 \r
  43                 [XmlIgnore]\r
  44                 public abstract XmlSchemaObjectCollection Items { get; }\r
  45 \r
  46                 internal XmlSchemaObjectCollection CompiledItems \r
  47                 {\r
  48                         get{ return compiledItems; }\r
  49                 }\r
  50 \r
  51                 internal void CopyOptimizedItems (XmlSchemaGroupBase gb)\r
  52                 {\r
  53                         for (int i = 0; i < Items.Count; i++) {\r
  54                                 XmlSchemaParticle p = Items [i] as XmlSchemaParticle;\r
  55                                 p = p.GetOptimizedParticle (false);\r
  56                                 if (p == XmlSchemaParticle.Empty)\r
  57                                         continue;\r
  58                                 gb.Items.Add (p);\r
  59                                 gb.CompiledItems.Add (p);\r
  60                         }\r
  61                 }\r
  62 \r
  63                 internal override bool ParticleEquals (XmlSchemaParticle other)\r
  64                 {\r
  65                         XmlSchemaGroupBase gb = other as XmlSchemaGroupBase;\r
  66                         if (gb == null)\r
  67                                 return false;\r
  68                         if (this.GetType () != gb.GetType ())\r
  69                                 return false;\r
  70 \r
  71                         if (this.ValidatedMaxOccurs != gb.ValidatedMaxOccurs ||\r
  72                                 this.ValidatedMinOccurs != gb.ValidatedMinOccurs)\r
  73                                 return false;\r
  74                         if (this.CompiledItems.Count != gb.CompiledItems.Count)\r
  75                                 return false;\r
  76                         for (int i = 0; i < CompiledItems.Count; i++) {\r
  77                                 XmlSchemaParticle p1 = this.CompiledItems [i] as XmlSchemaParticle;\r
  78                                 XmlSchemaParticle p2 = gb.CompiledItems [i] as XmlSchemaParticle;\r
  79                                 if (!p1.ParticleEquals (p2))\r
  80                                         return false;\r
  81                         }\r
  82                         return true;\r
  83                 }\r
  84 \r
  85                 internal override void CheckRecursion (int depth, ValidationEventHandler h, XmlSchema schema)\r
  86                 {\r
  87                         foreach (XmlSchemaParticle p in this.Items)\r
  88                                 p.CheckRecursion (depth, h, schema);\r
  89                 }\r
  90 \r
  91                 internal bool ValidateNSRecurseCheckCardinality (XmlSchemaAny any,\r
  92                         ValidationEventHandler h, XmlSchema schema, bool raiseError)\r
  93                 {\r
  94                         foreach (XmlSchemaParticle p in Items)\r
  95                                 if (!p.ValidateDerivationByRestriction (any, h, schema, raiseError))\r
  96                                         return false;\r
  97                         return ValidateOccurenceRangeOK (any, h, schema, raiseError);\r
  98                 }\r
  99 \r
 100                 internal bool ValidateRecurse (XmlSchemaGroupBase baseGroup,\r
 101                         ValidationEventHandler h, XmlSchema schema, bool raiseError)\r
 102                 {\r
 103                         return ValidateSeqRecurseMapSumCommon (baseGroup, h, schema, false, false, raiseError);\r
 104                 }\r
 105 \r
 106                 internal bool ValidateSeqRecurseMapSumCommon (XmlSchemaGroupBase baseGroup,\r
 107                         ValidationEventHandler h, XmlSchema schema, bool isLax, bool isMapAndSum, bool raiseError)\r
 108                 {\r
 109                         int index = 0;\r
 110                         int baseIndex = 0;\r
 111                         decimal baseOccured = 0;\r
 112                         if (baseGroup.CompiledItems.Count == 0 && this.CompiledItems.Count > 0) {\r
 113                                 if (raiseError)\r
 114                                         error (h, "Invalid particle derivation by restriction was found. base particle does not contain particles.");\r
 115                                 return false;\r
 116                         }\r
 117 \r
 118                         for (int i = 0; i < CompiledItems.Count; i++) {\r
 119                                 // get non-empty derived particle\r
 120                                 XmlSchemaParticle pd = null;\r
 121                                 while (this.CompiledItems.Count > index) {\r
 122                                         pd = ((XmlSchemaParticle) this.CompiledItems [index]);//.GetOptimizedParticle (false);\r
 123                                         if (pd != XmlSchemaParticle.Empty)// && pd.ValidatedMaxOccurs > 0)\r
 124                                                 break;\r
 125                                         else\r
 126                                                 index++;\r
 127                                 }\r
 128                                 if (index >= CompiledItems.Count) {\r
 129                                         if (raiseError)\r
 130                                                 error (h, "Invalid particle derivation by restriction was found. Cannot be mapped to base particle.");\r
 131                                         return false;\r
 132                                 }\r
 133 \r
 134                                 // get non-empty base particle\r
 135                                 XmlSchemaParticle pb = null;\r
 136                                 while (baseGroup.CompiledItems.Count > baseIndex) {\r
 137                                         pb = ((XmlSchemaParticle) baseGroup.CompiledItems [baseIndex]);//.GetOptimizedParticle (false);\r
 138                                         if (pb == XmlSchemaParticle.Empty && pb.ValidatedMaxOccurs > 0)\r
 139                                                 continue;\r
 140                                         if (!pd.ValidateDerivationByRestriction (pb, h, schema, false)) {\r
 141                                                 if (!isLax && !isMapAndSum && pb.MinOccurs > baseOccured && !pb.ValidateIsEmptiable ()) {\r
 142                                                         if (raiseError)\r
 143                                                                 error (h, "Invalid particle derivation by restriction was found. Invalid sub-particle derivation was found.");\r
 144                                                         return false;\r
 145                                                 }\r
 146                                                 else {\r
 147                                                         baseOccured = 0;\r
 148                                                         baseIndex++;\r
 149                                                 }\r
 150                                         } else {\r
 151                                                 baseOccured += pb.ValidatedMinOccurs;\r
 152                                                 if (baseOccured >= baseGroup.ValidatedMaxOccurs) {\r
 153                                                         baseOccured = 0;\r
 154                                                         baseIndex++;\r
 155                                                 }\r
 156                                                 index++;\r
 157                                                 break;\r
 158                                         }\r
 159                                 }\r
 160                         }\r
 161                         if (this.CompiledItems.Count > 0 && index != this.CompiledItems.Count) {\r
 162                                 if (raiseError)\r
 163                                         error (h, "Invalid particle derivation by restriction was found. Extraneous derived particle was found.");\r
 164                                 return false;\r
 165                         }\r
 166                         if (!isLax && !isMapAndSum) {\r
 167                                 if (baseOccured > 0)\r
 168                                         baseIndex++;\r
 169                                 for (int i = baseIndex; i < baseGroup.CompiledItems.Count; i++) {\r
 170                                         XmlSchemaParticle p = baseGroup.CompiledItems [i] as XmlSchemaParticle;\r
 171                                         if (!p.ValidateIsEmptiable ()) {\r
 172                                                 if (raiseError)\r
 173                                                         error (h, "Invalid particle derivation by restriction was found. There is a base particle which does not have mapped derived particle and is not emptiable.");\r
 174                                                 return false;\r
 175                                         }\r
 176                                 }\r
 177                         }\r
 178                         return true;\r
 179                 }\r
 180         }\r
 181 }\r