mcs/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 using System;
  29 using System.Collections.Generic;
  30 using System.Xml;
  31
  32 namespace Microsoft.Build.BuildEngine {
  33         internal class BuildChoose {
  34
  35                 BuildWhen       otherwise;
  36                 //Project               project;
  37                 //ImportedProject       importedProject;
  38                 //XmlElement    xmlElement;
  39                 List <BuildWhen>        whens;
  40
  41                 public BuildChoose (XmlElement xmlElement, Project project)
  42                         : this (xmlElement, project, null)
  43                 {
  44                 }
  45
  46                 internal BuildChoose (XmlElement xmlElement, Project project, ImportedProject importedProject)
  47                 {
  48                         //this.xmlElement = xmlElement;
  49                         //this.project = project;
  50                         //this.importedProject = importedProject;
  51                         this.whens = new List <BuildWhen> ();
  52
  53                         foreach (XmlNode xn in xmlElement.ChildNodes) {
  54                                 if (!(xn is XmlElement))
  55                                         continue;
  56
  57                                 XmlElement xe = (XmlElement)xn;
  58
  59                                 if (xe.Name == "When") {
  60                                         if (otherwise != null)
  61                                                 throw new InvalidProjectFileException ("The 'Otherwise' element must be last in a 'Choose' element.");
  62                                         if (xe.Attributes.GetNamedItem ("Condition") == null)
  63                                                 throw new InvalidProjectFileException ("The 'When' element requires a 'Condition' attribute.");
  64                                         BuildWhen bw = new BuildWhen (xe, project);
  65                                         whens.Add (bw);
  66                                 } else if (xe.Name == "Otherwise") {
  67                                         if (this.whens.Count == 0)
  68                                                 throw new InvalidProjectFileException ("At least one 'When' element must occur in a 'Choose' element.");
  69
  70                                         otherwise = new BuildWhen (xe, project);
  71                                 }
  72                         }
  73
  74                         DefinedInFileName = importedProject != null ? importedProject.FullFileName :
  75                                                 project != null ? project.FullFileName : null;
  76                 }
  77
  78                 public void Evaluate ()
  79                 {
  80                 }
  81
  82                 //public bool IsImported {
  83                 //      get { return isImported; }
  84                 //      set { isImported = value; }
  85                 //}
  86
  87                 public BuildWhen Otherwise {
  88                         get { return otherwise; }
  89                         set { otherwise = value; }
  90                 }
  91
  92                 public List <BuildWhen> Whens {
  93                         get { return whens; }
  94                         set { whens = value; }
  95                 }
  96
  97                 internal string DefinedInFileName { get; private set; }
  98         }
  99 }