mcs/class/Microsoft.Build/Microsoft.Build.Evaluation/ProjectItem.cs

   1 //
   2 // ProjectItem.cs
   3 //
   4 // Author:
   5 //   Leszek Ciesielski (skolima@gmail.com)
   6 //   Rolf Bjarne Kvinge (rolf@xamarin.com)
   7 //   Atsushi Enomoto (atsushi@xamarin.com)
   8 //
   9 // (C) 2011 Leszek Ciesielski
  10 // Copyright (C) 2011,2013 Xamarin Inc.
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System;
  33 using System.Collections.Generic;
  34 using System.Diagnostics;
  35 using System.Linq;
  36 using Microsoft.Build.Construction;
  37
  38 namespace Microsoft.Build.Evaluation
  39 {
  40         [DebuggerDisplay ("{ItemType}={EvaluatedInclude} [{UnevaluatedInclude}] #DirectMetadata={DirectMetadataCount}")]
  41         public class ProjectItem
  42         {
  43                 internal ProjectItem (Project project, ProjectItemElement xml, string evaluatedInclude)
  44                 {
  45                         this.project = project;
  46                         this.xml = xml;
  47                         if (project.ItemDefinitions.ContainsKey (ItemType))
  48                                 foreach (var md in project.ItemDefinitions [ItemType].Metadata)
  49                                         metadata.Add (md);
  50                         foreach (var item in xml.Metadata)
  51                                 metadata.Add (new ProjectMetadata (project, ItemType, metadata, m => metadata.Remove (m), item));
  52                         evaluated_include = evaluatedInclude;
  53                 }
  54
  55                 Project project;
  56                 ProjectItemElement xml;
  57                 List<ProjectMetadata> metadata = new List<ProjectMetadata> ();
  58                 string evaluated_include;
  59
  60                 public ProjectMetadata GetMetadata (string name)
  61                 {
  62                         return metadata.FirstOrDefault (m => m.Name == name);
  63                 }
  64
  65                 public string GetMetadataValue (string name)
  66                 {
  67                         var m = GetMetadata (name);
  68                         return m != null ? m.EvaluatedValue : null;
  69                 }
  70
  71                 public bool HasMetadata (string name)
  72                 {
  73                         return GetMetadata (name) != null;
  74                 }
  75
  76                 public bool RemoveMetadata (string name)
  77                 {
  78                         var m = GetMetadata (name);
  79                         if (m == null)
  80                                 return false;
  81                         return metadata.Remove (m);
  82                 }
  83
  84                 public void Rename (string name)
  85                 {
  86                         throw new NotImplementedException ();
  87                 }
  88
  89                 public ProjectMetadata SetMetadataValue (string name, string unevaluatedValue)
  90                 {
  91                         throw new NotImplementedException ();
  92                 }
  93
  94                 public IEnumerable<ProjectMetadata> DirectMetadata {
  95                         get {
  96                                 var list = new List<ProjectMetadata> ();
  97                                 foreach (var xm in xml.Metadata)
  98                                         yield return new ProjectMetadata (project, ItemType, list, p => list.Remove (p), xm);
  99                         }
 100                 }
 101
 102                 public int DirectMetadataCount {
 103                         get { return xml.Metadata.Count; }
 104                 }
 105
 106                 public string EvaluatedInclude {
 107                         get { return evaluated_include; }
 108                 }
 109
 110                 public bool IsImported {
 111                         get { throw new NotImplementedException (); }
 112                 }
 113
 114                 public string ItemType {
 115                         get { return Xml.ItemType; }
 116                         set { Xml.ItemType = value; }
 117                 }
 118
 119                 public ICollection<ProjectMetadata> Metadata {
 120                         get { return metadata; }
 121                 }
 122
 123                 public int MetadataCount {
 124                         get { return metadata.Count; }
 125                 }
 126
 127                 public Project Project {
 128                         get { return project; }
 129                 }
 130
 131                 public string UnevaluatedInclude {
 132                         get { return Xml.Include; }
 133                         set { Xml.Include = value; }
 134                 }
 135
 136                 public ProjectItemElement Xml {
 137                         get { return xml; }
 138                 }
 139         }
 140 }