Ensure that properties are fully expanded.
[mono.git] / mcs / class / Microsoft.Build.Engine / Microsoft.Build.BuildEngine / BuildProperty.cs
index 1ebadce9a23e54946020ac6b06902e21e1e8cd67..841d3aab355140864d542f47075fbbd1cc4fe816 100644 (file)
@@ -31,6 +31,8 @@ using System;
 using System.Text;
 using System.Xml;
 
+using Microsoft.Build.Framework;
+
 namespace Microsoft.Build.BuildEngine {
        public class BuildProperty {
        
@@ -42,7 +44,7 @@ namespace Microsoft.Build.BuildEngine {
                Project         parentProject;
                PropertyType    propertyType;
 
-               private BuildProperty ()
+               BuildProperty ()
                {
                }
 
@@ -50,11 +52,9 @@ namespace Microsoft.Build.BuildEngine {
                        : this (propertyName, propertyValue, PropertyType.Normal)
                {
                        if (propertyName == null)
-                               throw new ArgumentNullException (null,
-                                       "Parameter \"propertyName\" cannot be null.");
+                               throw new ArgumentNullException ("propertyName");
                        if (propertyValue == null)
-                               throw new ArgumentNullException (null,
-                                       "Parameter \"propertyValue\" cannot be null.");
+                               throw new ArgumentNullException ("propertyValue");
                }
 
                internal BuildProperty (string propertyName,
@@ -76,7 +76,7 @@ namespace Microsoft.Build.BuildEngine {
                        this.propertyType = PropertyType.Normal;
                        this.parentProject = parentProject;
                        this.name = propertyElement.Name;
-                       this.value = propertyElement.InnerText;
+                       this.value = propertyElement.InnerXml;
                        this.isImported = false;
                }
 
@@ -99,8 +99,9 @@ namespace Microsoft.Build.BuildEngine {
                public static explicit operator string (BuildProperty propertyToCast)
                {
                        if (propertyToCast == null)
-                               throw new ArgumentNullException ("propertyToCast");
-                       return propertyToCast.ToString ();
+                               return String.Empty;
+                       else
+                               return propertyToCast.ToString ();
                }
 
                public override string ToString ()
@@ -113,15 +114,32 @@ namespace Microsoft.Build.BuildEngine {
 
                internal void Evaluate ()
                {
-                       if (FromXml) {
-                               OldExpression exp = new OldExpression (parentProject);
-                               exp.ParseSource (Value);
-                               finalValue = (string) exp.ConvertTo (typeof (string));
-                               parentProject.EvaluatedProperties.AddProperty (this);
-                       }
+                       BuildProperty evaluated = new BuildProperty (Name, Value);
+
+                       Expression exp = new Expression ();
+                       exp.Parse (Value, false, false);
+                       evaluated.finalValue = (string) exp.ConvertTo (parentProject, typeof (string));
+
+                       parentProject.EvaluatedProperties.AddProperty (evaluated);
+               }
+
+               internal string ConvertToString (Project project)
+               {
+                       Expression exp = new Expression ();
+                       exp.Parse (Value, true, false);
+
+                       return (string) exp.ConvertTo (project, typeof (string));
+               }
+
+               internal ITaskItem[] ConvertToITaskItemArray (Project project)
+               {
+                       Expression exp = new Expression ();
+                       exp.Parse (Value, true, false);
+
+                       return (ITaskItem[]) exp.ConvertTo (project, typeof (ITaskItem[]));
                }
 
-               private bool FromXml {
+               internal bool FromXml {
                        get {
                                return propertyElement != null;
                        }
@@ -137,6 +155,8 @@ namespace Microsoft.Build.BuildEngine {
                        set {
                                if (FromXml)
                                        propertyElement.SetAttribute ("Condition", value);
+                               else
+                                       throw new InvalidOperationException ("Cannot set a condition on an object not represented by an XML element in the project file.");
                        }
                }
 
@@ -164,7 +184,7 @@ namespace Microsoft.Build.BuildEngine {
                        set {
                                this.@value = value;
                                if (FromXml) {
-                                       propertyElement.InnerText = value;
+                                       propertyElement.InnerXml = value;
                                } else {
                                        finalValue = value;
                                }
@@ -176,6 +196,10 @@ namespace Microsoft.Build.BuildEngine {
                                return propertyType;
                        }
                }
+
+               internal XmlElement XmlElement {
+                       get { return propertyElement; }
+               }
        }
 
        internal enum PropertyType {