1 files changed, 35 insertions, 0 deletions
diff --git a/src/IsCharacterInSet.cpp b/src/IsCharacterInSet.cpp
new file mode 100644
index 0000000..82625e9
--- /dev/null
+++ b/src/IsCharacterInSet.cpp
@@ -0,0 +1,35 @@
+/**
+ * @file IsCharacterInSet.cpp
+ *
+ * This module contains the implementation of the
+ * Uri::IsCharacterInSet function.
+ *
+ * © 2018 by Richard Walters
+ */
+
+#include "IsCharacterInSet.hpp"
+
+namespace Uri {
+
+    bool IsCharacterInSet(
+        char c,
+        std::initializer_list< char > characterSet
+    ) {
+        for (
+            auto charInSet = characterSet.begin();
+            charInSet != characterSet.end();
+            ++charInSet
+        ) {
+            const auto first = *charInSet++;
+            const auto last = *charInSet;
+            if (
+                (c >= first)
+                && (c <= last)
+            ) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+}