Added initial support for MermaidJS include diagrams

tests/t40001/.clang-uml

@@ -20,4 +20,8 @@ diagrams:
         - "' t40001 test diagram of type {{ diagram.type }}"
       after:
         - 'note right of {{ alias("include/lib1") }}: This is a lib1 include dir'
-        - 'note right of {{ alias("include/t40001_include1.h") }}: This is a t40001_include1.h include file'
+        - 'note right of {{ alias("include/t40001_include1.h") }}: This is a t40001_include1.h include file'
+    mermaid:
+      after:
+        - 'N_00001(This is a lib1 include dir)-.-{{ alias("include/lib1") }}'
+        - 'N_00002(This is a lib1 include dir)-.-{{ alias("include/t40001_include1.h") }}'

tests/t40001/test_case.h

@@ -79,4 +79,10 @@ TEST_CASE("t40001", "[test-case][include]")
 
         save_json(config.output_directory(), diagram->name + ".json", j);
     }
+
+    {
+        auto mmd = generate_include_mermaid(diagram, *model);
+
+        save_mermaid(config.output_directory(), diagram->name + ".mmd", mmd);
+    }
 }

tests/t40002/test_case.h

@@ -110,4 +110,10 @@ TEST_CASE("t40002", "[test-case][include]")
 
         save_json(config.output_directory(), diagram->name + ".json", j);
     }
+
+    {
+        auto mmd = generate_include_mermaid(diagram, *model);
+
+        save_mermaid(config.output_directory(), diagram->name + ".mmd", mmd);
+    }
 }

tests/t40003/test_case.h

@@ -74,4 +74,10 @@ TEST_CASE("t40003", "[test-case][include]")
 
         save_json(config.output_directory(), diagram->name + ".json", j);
     }
+
+    {
+        auto mmd = generate_include_mermaid(diagram, *model);
+
+        save_mermaid(config.output_directory(), diagram->name + ".mmd", mmd);
+    }
 }

tests/test_cases.cc

@@ -251,6 +251,14 @@ std::string generate_package_mermaid(
         config, model);
 }
 
+std::string generate_include_mermaid(
+    std::shared_ptr<clanguml::config::diagram> config,
+    clanguml::include_diagram::model::diagram &model)
+{
+    return detail::generate_diagram_mermaid<clanguml::config::include_diagram>(
+        config, model);
+}
+
 template <typename T>
 void save_diagram(const std::filesystem::path &path, const T &diagram)
 {