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

   1 //
   2 // ProjectItemElementa.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 using Microsoft.Build.Exceptions;
  35
  36 namespace Microsoft.Build.Construction
  37 {
  38         [System.Diagnostics.DebuggerDisplayAttribute ("{ItemType} Include={Include} Exclude={Exclude} "
  39                                                       + "#Metadata={Count} Condition={Condition}")]
  40         public class ProjectItemElement : ProjectElementContainer
  41         {
  42                 internal ProjectItemElement (string itemType, ProjectRootElement containingProject)
  43                 {
  44                         ItemType = itemType;
  45                         ContainingProject = containingProject;
  46                 }
  47                 string exclude;
  48                 public string Exclude { get { return exclude ?? String.Empty; } set { exclude = value; } }
  49                 public bool HasMetadata {
  50                         get {
  51                                 var metadata = Metadata.FirstOrDefault ();
  52                                 return metadata != null;
  53                         }
  54                 }
  55                 string include;
  56                 public string Include { get { return include ?? String.Empty; } set { include = value; } }
  57                 string itemType;
  58                 public string ItemType { get { return itemType ?? String.Empty; } set { itemType = value; } }
  59                 public ICollection<ProjectMetadataElement> Metadata {
  60                         get { return new CollectionFromEnumerable<ProjectMetadataElement> (
  61                                 new FilteredEnumerable<ProjectMetadataElement> (Children)); }
  62                 }
  63                 string @remove;
  64                 public string Remove { get { return @remove ?? String.Empty; } set { @remove = value; } }
  65                 #if NET_4_5
  66                 string keepDuplicates;
  67                 public string KeepDuplicates { get { return keepDuplicates ?? String.Empty; } set { keepDuplicates = value; } }
  68                 string keepMetadata;
  69                 public string KeepMetadata { get { return keepMetadata ?? String.Empty; } set { keepMetadata = value; } }
  70                 string removeMetadata;
  71                 public string RemoveMetadata { get { return removeMetadata ?? String.Empty; } set { removeMetadata = value; } }
  72                 #endif
  73                 public ProjectMetadataElement AddMetadata (string name, string unevaluatedValue)
  74                 {
  75                         var metadata = ContainingProject.CreateMetadataElement (name, unevaluatedValue);
  76                         AppendChild (metadata);
  77                         return metadata;
  78                 }
  79                 internal override string XmlName {
  80                         get { return ItemType; }
  81                 }
  82                 internal override void SaveValue (XmlWriter writer)
  83                 {
  84                         SaveAttribute (writer, "Include", Include);
  85                         SaveAttribute (writer, "Exclude", Exclude);
  86 #if NET_4_5
  87                         SaveAttribute (writer, "KeepDuplicates", KeepDuplicates);
  88                         SaveAttribute (writer, "KeepMetadata", KeepMetadata);
  89                         SaveAttribute (writer, "RemoveMetadata", RemoveMetadata);
  90 #endif
  91                         SaveAttribute (writer, "Remove", Remove);
  92                         base.SaveValue (writer);
  93                 }
  94
  95                 internal override void LoadAttribute (string name, string value)
  96                 {
  97                         switch (name) {
  98                         case "Include":
  99                                 Include = value;
 100                                 break;
 101                         case "Exclude":
 102                                 Exclude = value;
 103                                 break;
 104 #if NET_4_5
 105                         case "KeepDuplicates":
 106                                 KeepDuplicates = value;
 107                                 break;
 108                         case "KeepMetadata":
 109                                 KeepMetadata = value;
 110                                 break;
 111                         case "RemoveMetadata":
 112                                 RemoveMetadata = value;
 113                                 break;
 114 #endif
 115                         case "Remove":
 116                                 Remove = value;
 117                                 break;
 118                         default:
 119                                 base.LoadAttribute (name, value);
 120                                 break;
 121                         }
 122                 }
 123                 internal override void LoadValue (XmlReader reader)
 124                 {
 125                         if (string.IsNullOrWhiteSpace (Include) && string.IsNullOrEmpty (Remove))
 126                                 throw new InvalidProjectFileException (Location, null, string.Format ("Both Include and Remove attribute are null or empty on '{0}' item", ItemType));
 127                         base.LoadValue (reader);
 128                 }
 129                 internal override ProjectElement LoadChildElement (XmlReader reader)
 130                 {
 131                         var metadata = ContainingProject.CreateMetadataElement (reader.LocalName);
 132                         AppendChild (metadata);
 133                         return metadata;
 134                 }
 135 #if NET_4_5
 136                  public ElementLocation ExcludeLocation { get; private set; }
 137                  public ElementLocation IncludeLocation { get; private set; }
 138                  public ElementLocation KeepDuplicatesLocation { get; private set; }
 139                  public ElementLocation RemoveLocation { get; private set; }
 140                  public ElementLocation RemoveMetadataLocation { get; private set; }
 141 #else
 142                  ElementLocation ExcludeLocation { get; set; }
 143                  ElementLocation IncludeLocation { get; set; }
 144                  ElementLocation KeepDuplicatesLocation { get; set; }
 145                  ElementLocation RemoveLocation { get; set; }
 146                  ElementLocation RemoveMetadataLocation { get; set; }
 147 #endif
 148         }
 149 }