1 files changed, 57 insertions, 0 deletions
diff --git a/src/inc/configuration.h b/src/inc/configuration.h
new file mode 100644
index 0000000000..d8f8dff72b
--- /dev/null
+++ b/src/inc/configuration.h
@@ -0,0 +1,57 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+// 
+// --------------------------------------------------------------------------------------------------
+// configuration.h
+// 
+// 
+// Access and update configuration values, falling back on legacy CLRConfig methods where necessary.
+// 
+// --------------------------------------------------------------------------------------------------
+
+#include "clrconfig.h"
+
+#ifndef __configuration_h__
+#define __configuration_h__
+
+class Configuration
+{
+public:
+    static void InitializeConfigurationKnobs(int numberOfConfigs, LPCWSTR *configNames, LPCWSTR *configValues);
+
+    // Returns (in priority order):
+    //    - The value of the ConfigDWORDInfo if it's set
+    //    - The value of the ConfigurationKnob (searched by name) if it's set (performs a wcstoul).
+    //    - The default set in the ConfigDWORDInfo
+    static DWORD GetKnobDWORDValue(LPCWSTR name, const CLRConfig::ConfigDWORDInfo& dwordInfo);
+
+    // Returns (in priority order):
+    //    - The value of the ConfigurationKnob (searched by name) if it's set (performs a wcstoul)
+    //    - The default value passed in
+    static DWORD GetKnobDWORDValue(LPCWSTR name, DWORD defaultValue);
+
+    // Returns (in priority order):
+    //    - The value of the ConfigStringInfo if it's set
+    //    - The value of the ConfigurationKnob (searched by name) if it's set
+    //    - nullptr
+    static LPCWSTR GetKnobStringValue(LPCWSTR name, const CLRConfig::ConfigStringInfo& stringInfo);
+
+    // Returns (in priority order):
+    //    - The value of the ConfigurationKnob (searched by name) if it's set
+    //    - nullptr
+    static LPCWSTR GetKnobStringValue(LPCWSTR name);
+
+    // Returns (in priority order):
+    //    - The value of the ConfigDWORDInfo if it's set (1 is true, anything else is false)
+    //    - The value of the ConfigurationKnob (searched by name) if it's set (performs a wcscmp with "true").
+    //    - The default set in the ConfigDWORDInfo (1 is true, anything else is false)
+    static bool GetKnobBooleanValue(LPCWSTR name, const CLRConfig::ConfigDWORDInfo& dwordInfo);
+
+    // Returns (in priority order):
+    //    - The value of the ConfigurationKnob (searched by name) if it's set (performs a wcscmp with "true").
+    //    - The default value passed in
+    static bool GetKnobBooleanValue(LPCWSTR name, bool defaultValue);
+};
+
+#endif // __configuration_h__