mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/BuildPropertyGroup.cs

   1 //
   2 // BuildPropertyGroup.cs: Represents a group of properties
   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 #if NET_2_0
  29
  30 using System;
  31 using System.Collections;
  32 using System.Collections.Specialized;
  33 using System.Reflection;
  34 using System.Text;
  35 using System.Xml;
  36
  37 namespace Microsoft.Build.BuildEngine {
  38         public class BuildPropertyGroup : IEnumerable {
  39
  40                 XmlElement              propertyGroup;
  41                 bool                    isImported;
  42                 GroupingCollection      parentCollection;
  43                 Project                 parentProject;
  44                 IList                   properties;
  45                 IDictionary             propertiesByName;
  46
  47                 internal bool FromXml {
  48                         get {
  49                                 return propertyGroup != null;
  50                         }
  51                 }
  52
  53                 public BuildPropertyGroup ()
  54                         : this (null, null)
  55                 {
  56                 }
  57
  58                 internal BuildPropertyGroup (XmlElement xmlElement, Project project)
  59                 {
  60                         this.isImported = false;
  61                         this.parentCollection = null;
  62                         this.parentProject = project;
  63                         this.isImported = false;
  64                         this.propertyGroup = xmlElement;
  65
  66                         if (FromXml) {
  67                                 this.properties = new ArrayList ();
  68                                 foreach (XmlElement xe in propertyGroup.ChildNodes) {
  69                                         BuildProperty bp = new BuildProperty (parentProject, xe);
  70                                         AddProperty (bp);
  71                                 }
  72                         } else
  73                                 this.propertiesByName = CollectionsUtil.CreateCaseInsensitiveHashtable ();
  74                 }
  75
  76                 public BuildProperty AddNewProperty (string propertyName,
  77                                                      string propertyValue)
  78                 {
  79                         return AddNewProperty (propertyName, propertyValue, false);
  80                 }
  81
  82                 public BuildProperty AddNewProperty (string propertyName,
  83                                                      string propertyValue,
  84                                                      bool treatPropertyValueAsLiteral)
  85                 {
  86                         BuildProperty prop;
  87
  88                         if (FromXml) {
  89                                 XmlElement xe;
  90
  91                                 xe = propertyGroup.OwnerDocument.CreateElement (propertyName);
  92                                 propertyGroup.AppendChild (xe);
  93                                 if (treatPropertyValueAsLiteral) {
  94                                         xe.InnerText = Utilities.Escape (propertyValue);
  95                                 } else {
  96                                         xe.InnerText = propertyValue;
  97                                 }
  98                                 prop = new BuildProperty (parentProject, xe);
  99                         } else {
 100                                 prop = new BuildProperty (propertyName, propertyValue);
 101                         }
 102                         AddProperty (prop);
 103                         return prop;
 104                 }
 105
 106                 internal void AddProperty (BuildProperty property)
 107                 {
 108                         if (FromXml) {
 109                                 properties.Add (property);
 110                         } else {
 111                                 if (propertiesByName.Contains (property.Name) == true) {
 112                                         BuildProperty existing = (BuildProperty) propertiesByName [property.Name];
 113                                         if (property.PropertyType <= existing.PropertyType) {
 114                                                 propertiesByName.Remove (property.Name);
 115                                                 propertiesByName.Add (property.Name, property);
 116                                         }
 117                                 } else {
 118                                         propertiesByName.Add (property.Name, property);
 119                                 }
 120                         }
 121                 }
 122
 123                 public void Clear ()
 124                 {
 125                 }
 126
 127                 public BuildPropertyGroup Clone (bool deepClone)
 128                 {
 129                         return null;
 130                 }
 131
 132                 public IEnumerator GetEnumerator ()
 133                 {
 134                         if (properties != null)
 135                                 foreach (BuildProperty bp in properties)
 136                                         yield return bp;
 137                         else if (propertiesByName != null)
 138                                 foreach (DictionaryEntry de in propertiesByName)
 139                                         yield return (BuildProperty) de.Value;
 140                         else
 141                                 throw new Exception ("PropertyGroup is not initialized.");
 142                 }
 143
 144                 public void RemoveProperty (BuildProperty propertyToRemove)
 145                 {
 146                         if (properties == null)
 147                                 throw new Exception ("PropertyGroup is not initialized.");
 148                         properties.Remove (propertyToRemove);
 149                 }
 150
 151                 public void RemoveProperty (string propertyName)
 152                 {
 153                         if (propertiesByName == null)
 154                                 throw new Exception ("PropertyGroup is not initialized.");
 155                         propertiesByName.Remove (propertyName);
 156                 }
 157
 158                 public void SetProperty (string propertyName,
 159                                          string propertyValue)
 160                 {
 161                         SetProperty (propertyName, propertyValue, false);
 162                 }
 163
 164                 // FIXME: use treatPropertyValueAsLiteral
 165                 [MonoTODO]
 166                 public void SetProperty (string propertyName,
 167                                          string propertyValue,
 168                                          bool treatPropertyValueAsLiteral)
 169                 {
 170                         if (propertiesByName.Contains (propertyName) == false) {
 171                                 AddNewProperty (propertyName, propertyValue);
 172                         }
 173                         ((BuildProperty) propertiesByName [propertyName]).Value = propertyValue;
 174                 }
 175
 176                 internal void Evaluate ()
 177                 {
 178                         if (!FromXml) {
 179                                 throw new InvalidOperationException ();
 180                         }
 181                         foreach (BuildProperty bp in properties) {
 182                                 bp.Evaluate ();
 183                         }
 184                 }
 185
 186                 public string Condition {
 187                         get {
 188                                 return propertyGroup.GetAttribute ("Condition");
 189                         }
 190                         set {
 191                                 propertyGroup.SetAttribute ("Condition", value);
 192                         }
 193                 }
 194
 195                 public int Count {
 196                         get {
 197                                 if (properties != null)
 198                                         return properties.Count;
 199                                 else if (propertiesByName != null)
 200                                         return propertiesByName.Count;
 201                                 else
 202                                         throw new Exception ("PropertyGroup is not initialized.");
 203                         }
 204                 }
 205
 206                 public bool IsImported {
 207                         get {
 208                                 return isImported;
 209                         }
 210                 }
 211
 212                 public BuildProperty this[string propertyName] {
 213                         get {
 214                                 if (propertiesByName.Contains (propertyName)) {
 215                                         return (BuildProperty) propertiesByName [propertyName];
 216                                 } else {
 217                                         return null;
 218                                 }
 219                         }
 220                         set {
 221                                 propertiesByName [propertyName] = value;
 222                         }
 223                 }
 224
 225                 internal GroupingCollection GroupingCollection {
 226                         get { return parentCollection; }
 227                         set { parentCollection = value; }
 228                 }
 229         }
 230 }
 231
 232 #endif