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

   1 //
   2 // ItemReference.cs: Represents "@(Reference)" in expression.
   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 Microsoft.Build.Framework;
  33
  34 namespace Microsoft.Build.BuildEngine {
  35         internal class ItemReference {
  36
  37                 string          itemName;
  38                 Expression      transform;
  39                 Expression      separator;
  40                 int             start;
  41                 int             length;
  42
  43                 public ItemReference (string itemName, string transform, string separator, int start, int length)
  44                 {
  45                         this.itemName = itemName;
  46                         this.start = start;
  47                         this.length = length;
  48
  49                         if (transform != null) {
  50                                 this.transform = new Expression ();
  51                                 this.transform.Parse (transform, false);
  52                         }
  53
  54                         if (separator != null) {
  55                                 this.separator = new Expression ();
  56                                 this.separator.Parse (separator, false);
  57                         }
  58                 }
  59
  60                 public string ConvertToString (Project project)
  61                 {
  62                         if (project.EvaluatedItemsByName.ContainsKey (itemName))
  63                                 return project.EvaluatedItemsByName [itemName].ConvertToString (transform, separator);
  64                         else
  65                                 return String.Empty;
  66                 }
  67
  68                 public ITaskItem [] ConvertToITaskItemArray (Project project)
  69                 {
  70                         if (project.EvaluatedItemsByName.ContainsKey (itemName))
  71                                 return project.EvaluatedItemsByName [itemName].ConvertToITaskItemArray (transform);
  72                         else
  73                                 return null;
  74                 }
  75
  76                 public string ItemName {
  77                         get { return itemName; }
  78                 }
  79
  80                 public Expression Transform {
  81                         get { return transform; }
  82                 }
  83
  84                 public Expression Separator {
  85                         get { return separator; }
  86                 }
  87
  88                 public int Start {
  89                         get { return start; }
  90                 }
  91
  92                 public int End {
  93                         get { return start + length - 1; }
  94                 }
  95         }
  96 }
  97
  98 #endif