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

   1 //
   2 // ProjectItemGroupElement.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 System.Xml;
  33 using Microsoft.Build.Internal;
  34
  35 namespace Microsoft.Build.Construction
  36 {
  37         [System.Diagnostics.DebuggerDisplayAttribute ("#Items={Count} Condition={Condition} Label={Label}")]
  38         public class ProjectItemGroupElement : ProjectElementContainer
  39         {
  40                 public ProjectItemElement AddItem (string itemType, string include)
  41                 {
  42                         return AddItem (itemType, include, null);
  43                 }
  44
  45                 public ProjectItemElement AddItem (string itemType, string include,
  46                                                    IEnumerable<KeyValuePair<string, string>> metadata)
  47                 {
  48                         var item = ContainingProject.CreateItemElement (itemType, include);
  49                         if (metadata != null)
  50                                 foreach (var data in metadata)
  51                                         item.AddMetadata (data.Key, data.Value);
  52                         var lastChild = LastChild;
  53                         foreach (var existingItem in Items) {
  54                                 var compare = string.Compare (item.ItemType, existingItem.ItemType,
  55                                         StringComparison.OrdinalIgnoreCase);
  56
  57                                 if (compare == 0) {
  58                                         if (string.Compare (item.Include, existingItem.Include,
  59                                                 StringComparison.OrdinalIgnoreCase) >= 0)
  60                                                 continue;
  61                                         lastChild = existingItem.PreviousSibling;
  62                                         break;
  63                                 }
  64
  65                                 if (compare < 0) {
  66                                         lastChild = existingItem.PreviousSibling;
  67                                         break;
  68                                 }
  69                         }
  70                         InsertAfterChild (item, lastChild);
  71                         return item;
  72                 }
  73
  74                 internal ProjectItemGroupElement (ProjectRootElement containingProject)
  75                 {
  76                         ContainingProject = containingProject;
  77                 }
  78
  79                 public ICollection<ProjectItemElement> Items {
  80                         get { return new CollectionFromEnumerable<ProjectItemElement> (
  81                                 new FilteredEnumerable<ProjectItemElement> (Children)); }
  82                 }
  83
  84                 internal override string XmlName {
  85                         get { return "ItemGroup"; }
  86                 }
  87
  88                 internal override ProjectElement LoadChildElement (XmlReader reader)
  89                 {
  90                         var item = ContainingProject.CreateItemElement (reader.LocalName);
  91                         AppendChild (item);
  92                         return item;
  93                 }
  94         }
  95 }