Shifted references to IFileInvoker to Dependencies.cs, added factory func to Dependencies.cs for providing IFileInvoker.

OSCADSharp/OSCADSharp.UnitTests/OSCADObjectTests.cs

@@ -148,7 +148,7 @@ namespace OSCADSharp.UnitTests
             var mock = new Mock<IFileWriter>();
             mock.Setup(_wrtr => _wrtr.WriteAllLines(It.IsAny<string>(), It.IsAny<string[]>()))
                 .Callback<string, string[]>((path, contents) => { output = contents; });
-            Settings.FileWriter = mock.Object;
+            Dependencies.FileWriter = mock.Object;
 
             cube.ToFile("myFile");
 
@@ -165,7 +165,7 @@ namespace OSCADSharp.UnitTests
             var mock = new Mock<IFileWriter>();
             mock.Setup(_wrtr => _wrtr.WriteAllLines(It.IsAny<string>(), It.IsAny<string[]>()))
                 .Callback<string, string[]>((path, contents) => { output = contents; });
-            Settings.FileWriter = mock.Object;
+            Dependencies.FileWriter = mock.Object;
 
             cube.ToFile("myFile");
 

OSCADSharp/OSCADSharp.UnitTests/SettingsTests.cs

@@ -24,7 +24,7 @@ namespace OSCADSharp.UnitTests
             var mock = new Mock<IFileWriter>();
             mock.Setup(_wrtr => _wrtr.WriteAllLines(It.IsAny<string>(), It.IsAny<string[]>()))
                 .Callback<string, string[]>((path, contents) => { output = contents; });
-            Settings.FileWriter = mock.Object;
+            Dependencies.FileWriter = mock.Object;
 
             cube.ToFile("myFile");
 

OSCADSharp/OSCADSharp/Dependencies.cs

@@ -0,0 +1,25 @@
+using OSCADSharp.Files;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OSCADSharp
+{
+    /// <summary>
+    /// Contains definitions for external APIs used by OSCADSharp
+    /// </summary>
+    public static class Dependencies
+    {
+        /// <summary>
+        /// Used to write scripts to file
+        /// </summary>
+        public static IFileWriter FileWriter = new DefaultFileWriter();
+
+        /// <summary>
+        /// Factory method to provide the class used to perform actions on output scripts
+        /// </summary>
+        public static Func<string, IFileInvoker> FileInvokerFactory = (path) => { return new DefaultFileInvoker(path); };
+    }
+}

OSCADSharp/OSCADSharp/Files/IFileInvoker.cs

@@ -8,6 +8,8 @@ namespace OSCADSharp.Files
 {
     /// <summary>
     /// Invokes OpenSCAD actions on output files
+    /// 
+    /// If these methods don't work, double check that your Settings.OpenSCADPath value is correct
     /// </summary>
     public interface IFileInvoker
     {

OSCADSharp/OSCADSharp/OSCADObject.cs

@@ -331,14 +331,14 @@ namespace OSCADSharp
                 path += ".scad";
             }
             
-            Settings.FileWriter.WriteAllLines(path, new string[] 
+            Dependencies.FileWriter.WriteAllLines(path, new string[] 
             {
                 Settings.OSCADSharpHeader,
                 Variables.Global.ToString(),
                 this.ToString()
             });
 
-            return new DefaultFileInvoker(filePath);
+            return Dependencies.FileInvokerFactory(filePath);
         }
         #endregion
 

OSCADSharp/OSCADSharp/OSCADSharp.csproj

@@ -42,6 +42,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Dependencies.cs" />
     <Compile Include="Files\DefaultFileInvoker.cs" />
     <Compile Include="Files\DefaultFileWriter.cs" />
     <Compile Include="Files\IFileInvoker.cs" />

OSCADSharp/OSCADSharp/Settings.cs

@@ -18,12 +18,7 @@ namespace OSCADSharp
         /// </summary>
         public static readonly string OSCADSharpHeader = String.Format("/*Code Generated using OSCADSharp on {0}. {1}{2}For more information, please visit https://github.com/Exolun/OSCADSharp */{3}", 
             DateTime.Now.ToString(), Environment.NewLine, Environment.NewLine, Environment.NewLine);
-                
+        
-        /// <summary>
-        /// Used to write scripts to file
-        /// </summary>
-        public static IFileWriter FileWriter = new DefaultFileWriter();
-
         /// <summary>
         /// Path to the OpenSCAD executable for file invocation
         /// (Default value is set the default install directory on Windows)