Merge pull request #1 from Microsoft/master

pull

1 files changed, 27 insertions, 5 deletions

diff --git a/toolsrc/include/opt_bool.h b/toolsrc/include/opt_bool.h
index 3856366c8..06642a399 100644
--- a/toolsrc/include/opt_bool.h
+++ b/toolsrc/include/opt_bool.h
@@ -1,11 +1,33 @@
 #pragma once
 
-namespace vcpkg
+#include <string>
+#include <map>
+
+namespace vcpkg::opt_bool
 {
-    enum class opt_bool
+    enum class type
     {
-        unspecified,
-        enabled,
-        disabled
+        UNSPECIFIED = 0,
+        ENABLED,
+        DISABLED
     };
+
+    type parse(const std::string& s);
+
+    template <class T>
+    type from_map(const std::map<T, std::string>& map, const T& key)
+    {
+        auto it = map.find(key);
+        if (it == map.cend())
+        {
+            return type::UNSPECIFIED;
+        }
+
+        return parse(*it);
+    }
 }
+
+namespace vcpkg
+{
+    using opt_bool_t = opt_bool::type;
+}
\ No newline at end of file