mcs/class/Microsoft.JScript/Microsoft.JScript/VsaItem.cs

   1 //
   2 // VsaItem.cs:
   3 //
   4 // Author:
   5 //      Cesar Lopez Nataren (cesar@ciencias.unam.mx)
   6 //
   7 // (C) 2003, Cesar Lopez Nataren
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using Microsoft.Vsa;
  33 using Microsoft.JScript.Vsa;
  34
  35 namespace Microsoft.JScript {
  36
  37         public abstract class VsaItem : IVsaItem {
  38
  39                 protected bool dirty;
  40                 protected VsaItemType type;
  41                 protected VsaItemFlag flag;
  42                 protected string name;
  43                 protected VsaEngine engine;
  44
  45                 internal VsaItem (VsaEngine engine, string name, VsaItemType type, VsaItemFlag flag)
  46                 {
  47                         this.engine = engine;
  48                         this.name = name;
  49                         this.type = type;
  50                         this.flag = flag;
  51                 }
  52
  53                 public virtual bool IsDirty {
  54                         get {
  55                                 if (engine.Closed)
  56                                         throw new VsaException (VsaError.EngineClosed);
  57                                 else return dirty;
  58                         }
  59
  60                         set {
  61                                 if (engine.Closed)
  62                                         throw new VsaException (VsaError.EngineClosed);
  63
  64                                 dirty = value;
  65                         }
  66                 }
  67
  68                 public virtual string Name {
  69                         get {
  70                                 if (engine.Closed)
  71                                         throw new VsaException (VsaError.EngineClosed);
  72                                 else if (engine.Running)
  73                                         throw new VsaException (VsaError.EngineRunning);
  74
  75                                 return name;
  76                         }
  77
  78                         set {
  79                                 if (engine.Closed)
  80                                         throw new VsaException (VsaError.EngineClosed);
  81                                 else if (engine.Running)
  82                                         throw new VsaException (VsaError.EngineRunning);
  83
  84                                 name = value;
  85                         }
  86                 }
  87
  88                 public VsaItemType ItemType {
  89                         get {
  90                                 if (engine.Closed)
  91                                         throw new VsaException (VsaError.EngineClosed);
  92                                 else return type;
  93                         }
  94                 }
  95
  96                 public virtual Object GetOption (string name)
  97                 {
  98                         if (engine.Closed)
  99                                 throw new VsaException (VsaError.EngineClosed);
 100                         else if (engine.Busy)
 101                                 throw new VsaException (VsaError.EngineBusy);
 102
 103                         object opt = engine.GetOption (name);
 104
 105                         return opt;
 106                 }
 107
 108                 public virtual void SetOption (string name, object value)
 109                 {
 110                         if (engine.Closed)
 111                                 throw new VsaException (VsaError.EngineClosed);
 112                         else if (engine.Busy)
 113                                 throw new VsaException (VsaError.EngineBusy);
 114                         else if (engine.Running)
 115                                 throw new VsaException (VsaError.EngineRunning);
 116
 117                         engine.SetOption (name, value);
 118                 }
 119         }
 120 }