mcs/class/System.XML/System.Xml.Schema/XmlSchemaParticle.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 XmlSchemaParticle.\r
  10         /// </summary>\r
  11         public abstract class XmlSchemaParticle : XmlSchemaAnnotated\r
  12         {\r
  13                 decimal minOccurs, maxOccurs;\r
  14                 string  minstr, maxstr;\r
  15                 static XmlSchemaParticle empty;\r
  16 \r
  17                 internal static XmlSchemaParticle Empty {\r
  18                         get {\r
  19                                 if (empty == null) {\r
  20                                         empty = new XmlSchemaParticleEmpty ();\r
  21                                 }\r
  22                                 return empty;\r
  23                         }\r
  24                 }\r
  25 \r
  26                 protected XmlSchemaParticle()\r
  27                 {\r
  28                         minOccurs = decimal.One;\r
  29                         maxOccurs = decimal.One;\r
  30                 }\r
  31 \r
  32                 #region Attributes\r
  33 \r
  34                 [System.Xml.Serialization.XmlAttribute("minOccurs")]\r
  35                 public string MinOccursString\r
  36                 {\r
  37                         get{ return minstr; }\r
  38                         set\r
  39                         {\r
  40                                 decimal val = decimal.Parse(value);\r
  41                                 if(val >= 0 && (val == Decimal.Truncate(val)))\r
  42                                 {\r
  43                                         minOccurs = val;\r
  44                                         minstr   = val.ToString();\r
  45                                 }\r
  46                                 else\r
  47                                 {\r
  48                                         throw new XmlSchemaException\r
  49                                                 ("MinOccursString must be a non-negative number",null);                                         \r
  50                                 }\r
  51                         }\r
  52                 }\r
  53 \r
  54                 [System.Xml.Serialization.XmlAttribute("maxOccurs")]\r
  55                 public string MaxOccursString\r
  56                 {\r
  57                         get{ return maxstr; }\r
  58                         set\r
  59                         {\r
  60                                 if(value == "unbounded")\r
  61                                 {\r
  62                                         maxstr = value;\r
  63                                         maxOccurs = decimal.MaxValue;\r
  64                                 }\r
  65                                 else\r
  66                                 {\r
  67                                         decimal val = decimal.Parse(value);\r
  68                                         if(val >= 0 && (val == Decimal.Truncate(val)))\r
  69                                         {\r
  70                                                 maxOccurs = val;\r
  71                                                 maxstr = val.ToString();\r
  72                                         }\r
  73                                         else\r
  74                                         {\r
  75                                                 throw new XmlSchemaException\r
  76                                                         ("MaxOccurs must be a non-negative integer",null);\r
  77                                         }\r
  78                                 }\r
  79                         }\r
  80                 }\r
  81 \r
  82                 #endregion\r
  83 \r
  84                 #region XmlIgnore\r
  85 \r
  86                 [XmlIgnore]\r
  87                 public decimal MinOccurs\r
  88                 {\r
  89                         get{ return  minOccurs; }\r
  90                         set\r
  91                         {\r
  92                                 MinOccursString = value.ToString();\r
  93                         }\r
  94                 }\r
  95 \r
  96                 [XmlIgnore]\r
  97                 public decimal MaxOccurs \r
  98                 {\r
  99                         get{ return  maxOccurs; } \r
 100                         set\r
 101                         {\r
 102                                 MaxOccursString = value.ToString();\r
 103                         }\r
 104                 }\r
 105 \r
 106                 #endregion\r
 107 \r
 108                 #region Internal Class\r
 109                 public class XmlSchemaParticleEmpty : XmlSchemaParticle\r
 110                 {\r
 111                         internal XmlSchemaParticleEmpty ()\r
 112                         {\r
 113                         }\r
 114                 }\r
 115                 #endregion\r
 116         }\r
 117 }