From e8582abc6d13840b1885abdc0de4ad94b1157c94 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Tue, 9 Apr 2024 20:05:19 -0400
Subject: cmExperimental: add support for getting a feature value from its name

---
 Source/cmExperimental.cxx | 14 ++++++++++++++
 Source/cmExperimental.h   |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/Source/cmExperimental.cxx b/Source/cmExperimental.cxx
index fb21f53..8adf4e2 100644
--- a/Source/cmExperimental.cxx
+++ b/Source/cmExperimental.cxx
@@ -54,6 +54,20 @@ const cmExperimental::FeatureData& cmExperimental::DataForFeature(Feature f)
   return ::DataForFeature(f);
 }
 
+cm::optional<cmExperimental::Feature> cmExperimental::FeatureByName(
+  std::string const& name)
+{
+  size_t idx = 0;
+  for (auto const& feature : LookupTable) {
+    if (feature.Name == name) {
+      return static_cast<Feature>(idx);
+    }
+    ++idx;
+  }
+
+  return {};
+}
+
 bool cmExperimental::HasSupportEnabled(cmMakefile const& mf, Feature f)
 {
   bool enabled = false;
diff --git a/Source/cmExperimental.h b/Source/cmExperimental.h
index 5593c85..1abfbc3 100644
--- a/Source/cmExperimental.h
+++ b/Source/cmExperimental.h
@@ -8,6 +8,8 @@
 #include <string>
 #include <vector>
 
+#include <cm/optional>
+
 class cmMakefile;
 
 class cmExperimental
@@ -40,5 +42,6 @@ public:
   };
 
   static const FeatureData& DataForFeature(Feature f);
+  static cm::optional<Feature> FeatureByName(std::string const& name);
   static bool HasSupportEnabled(cmMakefile const& mf, Feature f);
 };
-- 
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