mcs/class/Microsoft.Build/Microsoft.Build.Construction/ProjectPropertyGroupElement.cs

   1 //
   2 // ProjectPropertyGroupElement.cs
   3 //
   4 // Author:
   5 //   Leszek Ciesielski (skolima@gmail.com)
   6 //
   7 // (C) 2011 Leszek Ciesielski
   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
  29 using System;
  30 using System.Collections.Generic;
  31 using System.Linq;
  32 using Microsoft.Build.Internal;
  33 using System.Xml;
  34
  35 namespace Microsoft.Build.Construction
  36 {
  37         [System.Diagnostics.DebuggerDisplayAttribute ("#Properties={Count} Condition={Condition} Label={Label}")]
  38         public class ProjectPropertyGroupElement : ProjectElementContainer
  39         {
  40                 public ProjectPropertyElement AddProperty (string name, string unevaluatedValue)
  41                 {
  42                         var property = ContainingProject.CreatePropertyElement (name);
  43                         property.Value = unevaluatedValue;
  44                         AppendChild (property);
  45                         return property;
  46                 }
  47
  48                 public ProjectPropertyElement SetProperty (string name, string unevaluatedValue)
  49                 {
  50                         var existing = Properties.Where (p => p.Name.Equals (name, StringComparison.OrdinalIgnoreCase)
  51                                                          && p.Condition.Length == 0).FirstOrDefault ();
  52                         if (existing != null) {
  53                                 existing.Value = unevaluatedValue;
  54                                 return existing;
  55                         }
  56
  57                         return AddProperty (name, unevaluatedValue);
  58                 }
  59
  60                 internal ProjectPropertyGroupElement (ProjectRootElement containingProject)
  61                 {
  62                         ContainingProject = containingProject;
  63                 }
  64
  65                 public ICollection<ProjectPropertyElement> Properties {
  66                         get { return new CollectionFromEnumerable<ProjectPropertyElement> (
  67                                 new FilteredEnumerable<ProjectPropertyElement> (Children)); }
  68                 }
  69
  70                 public ICollection<ProjectPropertyElement> PropertiesReversed {
  71                         get { return new CollectionFromEnumerable<ProjectPropertyElement> (
  72                                 new FilteredEnumerable<ProjectPropertyElement> (ChildrenReversed)); }
  73                 }
  74
  75                 internal override string XmlName {
  76                         get { return "PropertyGroup"; }
  77                 }
  78
  79                 internal override ProjectElement LoadChildElement (string name)
  80                 {
  81                         return AddProperty (name, null);
  82                 }
  83         }
  84 }