mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/ReadLinesFromFile.cs

   1 //
   2 // ReadLinesFromFile.cs: Task that reads from file.
   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.Generic;
  32 using System.IO;
  33 using Microsoft.Build.Framework;
  34 using Microsoft.Build.Tasks;
  35 using Microsoft.Build.Utilities;
  36
  37 namespace Microsoft.Build.Tasks {
  38         public class ReadLinesFromFile : TaskExtension {
  39
  40                 ITaskItem       file;
  41                 ITaskItem[]     lines;
  42                 StreamReader    streamReader;
  43
  44                 public ReadLinesFromFile ()
  45                 {
  46                 }
  47
  48                 public override bool Execute ()
  49                 {
  50                         try {
  51                                 if ( file == null)
  52                                         throw new ArgumentNullException ("File", "File property must be set.");
  53
  54                                 streamReader = new StreamReader (file.GetMetadata ("FullPath"));
  55                                 string line;
  56                                 List <ITaskItem> temporaryLines = new List <ITaskItem> ();
  57                                 while ((line = streamReader.ReadLine ()) != null) {
  58                                         temporaryLines.Add (new TaskItem (line));
  59                                 }
  60
  61                                 lines = temporaryLines.ToArray ();
  62
  63                                 return true;
  64                         }
  65                         catch (Exception ex) {
  66                                 Log.LogErrorFromException (ex);
  67                                 return false;
  68                         }
  69                         finally {
  70                                 streamReader.Close ();
  71                         }
  72
  73                 }
  74
  75                 [Required]
  76                 public ITaskItem File {
  77                         get {
  78                                 return file;
  79                         }
  80                         set {
  81                                 file = value;
  82                         }
  83                 }
  84
  85                 [Output]
  86                 public ITaskItem[] Lines {
  87                         get {
  88                                 return lines;
  89                         }
  90                         set {
  91                                 lines = value;
  92                         }
  93                 }
  94         }
  95 }
  96
  97 #endif