1 files changed, 73 insertions, 2 deletions

diff --git a/src/WixToolset.Core/Bind/ResolveDelayedFieldsCommand.cs b/src/WixToolset.Core/Bind/ResolveDelayedFieldsCommand.cs
index 3ded9a87..6f8da9ec 100644
--- a/src/WixToolset.Core/Bind/ResolveDelayedFieldsCommand.cs
+++ b/src/WixToolset.Core/Bind/ResolveDelayedFieldsCommand.cs
@@ -5,6 +5,7 @@ namespace WixToolset.Core.Bind
     using System;
     using System.Collections.Generic;
     using System.Globalization;
+    using System.Text;
     using WixToolset.Data;
     using WixToolset.Extensibility;
     using WixToolset.Extensibility.Services;
@@ -46,7 +47,7 @@ namespace WixToolset.Core.Bind
                     // process properties first in case they refer to other binder variables
                     if (delayedField.Row.Definition.Type == TupleDefinitionType.Property)
                     {
-                        var value = WixVariableResolver.ResolveDelayedVariables(propertyRow.SourceLineNumbers, delayedField.Field.AsString(), this.VariableCache);
+                        var value = ResolveDelayedVariables(propertyRow.SourceLineNumbers, delayedField.Field.AsString(), this.VariableCache);
 
                         // update the variable cache with the new value
                         var key = String.Concat("property.", propertyRow.AsString(0));
@@ -102,7 +103,7 @@ namespace WixToolset.Core.Bind
             {
                 try
                 {
-                    var value = WixVariableResolver.ResolveDelayedVariables(delayedField.Row.SourceLineNumbers, delayedField.Field.AsString(), this.VariableCache);
+                    var value = ResolveDelayedVariables(delayedField.Row.SourceLineNumbers, delayedField.Field.AsString(), this.VariableCache);
                     delayedField.Field.Set(value);
                 }
                 catch (WixException we)
@@ -111,5 +112,75 @@ namespace WixToolset.Core.Bind
                 }
             }
         }
+
+        public static string ResolveDelayedVariables(SourceLineNumber sourceLineNumbers, string value, IDictionary<string, string> resolutionData)
+        {
+            var matches = Common.WixVariableRegex.Matches(value);
+
+            if (0 < matches.Count)
+            {
+                var sb = new StringBuilder(value);
+
+                // notice how this code walks backward through the list
+                // because it modifies the string as we go through it
+                for (int i = matches.Count - 1; 0 <= i; i--)
+                {
+                    string variableNamespace = matches[i].Groups["namespace"].Value;
+                    string variableId = matches[i].Groups["fullname"].Value;
+                    string variableDefaultValue = null;
+                    string variableScope = null;
+
+                    // get the default value if one was specified
+                    if (matches[i].Groups["value"].Success)
+                    {
+                        variableDefaultValue = matches[i].Groups["value"].Value;
+                    }
+
+                    // get the scope if one was specified
+                    if (matches[i].Groups["scope"].Success)
+                    {
+                        variableScope = matches[i].Groups["scope"].Value;
+                        if ("bind" == variableNamespace)
+                        {
+                            variableId = matches[i].Groups["name"].Value;
+                        }
+                    }
+
+                    // check for an escape sequence of !! indicating the match is not a variable expression
+                    if (0 < matches[i].Index && '!' == sb[matches[i].Index - 1])
+                    {
+                        sb.Remove(matches[i].Index - 1, 1);
+                    }
+                    else
+                    {
+                        string key = String.Format(CultureInfo.InvariantCulture, "{0}.{1}", variableId, variableScope).ToLower(CultureInfo.InvariantCulture);
+                        string resolvedValue = variableDefaultValue;
+
+                        if (resolutionData.ContainsKey(key))
+                        {
+                            resolvedValue = resolutionData[key];
+                        }
+
+                        if ("bind" == variableNamespace)
+                        {
+                            // insert the resolved value if it was found or display an error
+                            if (null != resolvedValue)
+                            {
+                                sb.Remove(matches[i].Index, matches[i].Length);
+                                sb.Insert(matches[i].Index, resolvedValue);
+                            }
+                            else
+                            {
+                                throw new WixException(ErrorMessages.UnresolvedBindReference(sourceLineNumbers, value));
+                            }
+                        }
+                    }
+                }
+
+                value = sb.ToString();
+            }
+
+            return value;
+        }
     }
 }