reactos/tools/sysgen/SysGen.BuildEngine/Tasks/BuiltIn/Logic/IfTask.cs

   1 using System;
   2 using System.IO;
   3 using System.Collections;
   4 using System.Collections.Specialized;
   5
   6 using SysGen.BuildEngine.Attributes;
   7 using SysGen.BuildEngine.Log;
   8
   9 namespace SysGen.BuildEngine.Tasks
  10 {
  11     [TaskName("if")]
  12     public class IfTask : TaskContainer
  13     {
  14         protected string _propName = null;
  15         protected string _propValue = null;
  16         protected string _propNameTrue = null;
  17         protected string _propNameExists = null;
  18
  19         /// <summary>
  20         /// Used to test whether a property is true.
  21         /// </summary>
  22         [TaskAttribute("propertytrue")]
  23         public string PropertyNameTrue {
  24             set {_propNameTrue = value;}
  25         }
  26
  27         /// <summary>
  28         /// Used to test whether a property exists.
  29         /// </summary>
  30         [TaskAttribute("propertyexists")]
  31         public string PropertyNameExists {
  32             set {_propNameExists = value;}
  33         }
  34
  35         /// <summary>
  36         /// Used to test whether a property exists.
  37         /// </summary>
  38         [TaskAttribute("property")]
  39         public string PropertyName
  40         {
  41             set { _propName = value; }
  42         }
  43
  44         /// <summary>
  45         /// Used to test whether a property exists.
  46         /// </summary>
  47         [TaskAttribute("value")]
  48         public string PropertyValue
  49         {
  50             set { _propValue = value; }
  51         }
  52
  53         protected override void PreExecuteTask()
  54         {
  55             if (!ConditionsTrue)
  56             {
  57                 m_ExecuteChilds = false;
  58             }
  59         }
  60
  61         /*
  62         protected override void ExecuteTask() {
  63             if(!ConditionsTrue) {
  64                 m_ExecuteChilds = false;
  65             }
  66         }*/
  67
  68         protected virtual bool ConditionsTrue
  69         {
  70             get
  71             {
  72                 bool ret = true;
  73
  74                 if (_propName != null)
  75                 {
  76                     if (_propValue != null)
  77                     {
  78                         if (SysGen.Project.Properties.PropertyExists(_propName))
  79                         {
  80                             return (SysGen.Project.Properties[_propName].Value == _propValue);
  81                         }
  82
  83                         return false;
  84                     }
  85                     else
  86                     {
  87                         ret = ret && SysGen.Project.Properties.PropertyExists(_propNameExists);
  88                     }
  89                 }
  90
  91                 ////check for target
  92                 //if(_targetName != null) {
  93                 //    ret = ret && (SysGen.Targets.Find(_targetName) != null);
  94                 //    if (!ret) return false;
  95                 //}
  96
  97                 //Check for the Property value of true.
  98                 if (_propNameTrue != null)
  99                 {
 100                     try
 101                     {
 102                         ret = ret && bool.Parse(SysGen.Project.Properties[_propNameTrue].Value);
 103                     }
 104                     catch (Exception e)
 105                     {
 106                         throw new BuildException("Property True test failed for '" + _propNameTrue + "'", Location, e);
 107                     }
 108                 }
 109
 110                 //Check for Property existence
 111                 if(_propNameExists != null)
 112                 {
 113                     ret = ret && SysGen.Project.Properties.PropertyExists(_propNameExists);
 114                 }
 115
 116                 ////check for uptodate file
 117                 //if(_uptodateFile != null) {
 118                 //    FileInfo primaryFile = new FileInfo(_uptodateFile);
 119                 //    if(primaryFile == null) {
 120                 //        ret = true;
 121                 //    }
 122                 //    else {
 123                 //        string newerFile = FileSet.FindMoreRecentLastWriteTime(_compareFiles.FileNames, primaryFile.LastWriteTime);
 124                 //        bool bNeedsAnUpdate = (null == newerFile);
 125                 //        BuildLog.WriteLineIf(SysGen.Verbose && bNeedsAnUpdate, "{0) is newer than {1}" , newerFile, primaryFile.Name);
 126                 //        ret = !bNeedsAnUpdate;
 127                 //    }
 128                 //}
 129
 130                 return ret;
 131             }
 132         }
 133     }
 134 }