class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/BuildChoose.cs

   1 //
   2 // BuildChoose.cs: Represents <Choose>.
   3 //
   4 // Author:
   5 //   Marek Sieradzki (marek.sieradzki@gmail.com)
   6 //
   7 // (C) 2005 Marek Sieradzki
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 #if NET_2_0
  29
  30 using System;
  31 using System.Collections.Generic;
  32 using System.Xml;
  33
  34 namespace Microsoft.Build.BuildEngine {
  35         internal class BuildChoose {
  36
  37                 BuildWhen       otherwise;
  38                 Project         project;
  39                 XmlElement      xmlElement;
  40                 List <BuildWhen>        whens;
  41
  42                 public BuildChoose (XmlElement xmlElement, Project project)
  43                 {
  44                         this.xmlElement = xmlElement;
  45                         this.project = project;
  46                         this.whens = new List <BuildWhen> ();
  47
  48                         foreach (XmlNode xn in xmlElement.ChildNodes) {
  49                                 if (!(xn is XmlElement))
  50                                         continue;
  51
  52                                 XmlElement xe = (XmlElement)xn;
  53
  54                                 if (xe.Name == "When") {
  55                                         if (otherwise != null)
  56                                                 throw new InvalidProjectFileException ("The 'Otherwise' element must be last in a 'Choose' element.");
  57                                         if (xe.Attributes.GetNamedItem ("Condition") == null)
  58                                                 throw new InvalidProjectFileException ("The 'When' element requires a 'Condition' attribute.");
  59                                         BuildWhen bw = new BuildWhen (xe, project);
  60                                         whens.Add (bw);
  61                                 } else if (xe.Name == "Otherwise") {
  62                                         if (this.whens.Count == 0)
  63                                                 throw new InvalidProjectFileException ("At least one 'When' element must occur in a 'Choose' element.");
  64
  65                                         otherwise = new BuildWhen (xe, project);
  66                                 }
  67                         }
  68                 }
  69
  70                 public void Evaluate ()
  71                 {
  72                 }
  73
  74                 //public bool IsImported {
  75                 //      get { return isImported; }
  76                 //      set { isImported = value; }
  77                 //}
  78
  79                 public BuildWhen Otherwise {
  80                         get { return otherwise; }
  81                         set { otherwise = value; }
  82                 }
  83
  84                 public List <BuildWhen> Whens {
  85                         get { return whens; }
  86                         set { whens = value; }
  87                 }
  88         }
  89 }
  90
  91 #endif