Added diagram templates to config

src/common/model/enums.cc

@@ -18,6 +18,7 @@
 #include "enums.h"
 
 #include <cassert>
+#include <stdexcept>
 
 namespace clanguml::common::model {
 
@@ -135,4 +136,18 @@ std::string to_string(const diagram_t t)
     }
 }
 
+diagram_t from_string(const std::string &s)
+{
+    if (s == "class")
+        return diagram_t::kClass;
+    else if (s == "sequence")
+        return diagram_t::kSequence;
+    else if (s == "include")
+        return diagram_t::kInclude;
+    else if (s == "package")
+        return diagram_t::kPackage;
+    else
+        throw std::runtime_error{"Invalid diagram type: " + s};
+}
+
 } // namespace clanguml::common::model

src/common/model/enums.h

@@ -80,4 +80,6 @@ std::string to_string(message_t m);
 
 std::string to_string(diagram_t r);
 
+diagram_t from_string(const std::string &s);
+
 } // namespace clanguml::common::model