diff --git a/src/class_diagram/generators/plantuml/class_diagram_generator.cc b/src/class_diagram/generators/plantuml/class_diagram_generator.cc
index bed14dbf..3e7b906d 100644
--- a/src/class_diagram/generators/plantuml/class_diagram_generator.cc
+++ b/src/class_diagram/generators/plantuml/class_diagram_generator.cc
@@ -311,36 +311,4 @@ void generator::generate(std::ostream &ostr) const
     ostr << "@enduml" << '\n';
 }
 
-clanguml::class_diagram::model::diagram generate(
-    cppast::libclang_compilation_database &db, const std::string &name,
-    clanguml::config::class_diagram &diagram)
-{
-    LOG_DBG("Generating diagram {}.puml", name);
-    clanguml::class_diagram::model::diagram d;
-    d.set_name(name);
-
-    // Get all translation units matching the glob from diagram
-    // configuration
-    std::vector<std::string> translation_units{};
-    for (const auto &g : diagram.glob()) {
-        LOG_DBG("Processing glob: {}", g);
-        const auto matches = glob::rglob(g);
-        std::copy(matches.begin(), matches.end(),
-            std::back_inserter(translation_units));
-    }
-
-    cppast::cpp_entity_index idx;
-    cppast::simple_file_parser<cppast::libclang_parser> parser{
-        type_safe::ref(idx)};
-
-    // Process all matching translation units
-    clanguml::class_diagram::visitor::translation_unit_visitor ctx(
-        idx, d, diagram);
-    cppast::parse_files(parser, translation_units, db);
-    for (auto &file : parser.files())
-        ctx(file);
-
-    return d;
-}
-
 }
diff --git a/src/class_diagram/generators/plantuml/class_diagram_generator.h b/src/class_diagram/generators/plantuml/class_diagram_generator.h
index a14f881c..ea6bf845 100644
--- a/src/class_diagram/generators/plantuml/class_diagram_generator.h
+++ b/src/class_diagram/generators/plantuml/class_diagram_generator.h
@@ -69,10 +69,6 @@ public:
     void generate(std::ostream &ostr) const override;
 };
 
-clanguml::class_diagram::model::diagram generate(
-    cppast::libclang_compilation_database &db, const std::string &name,
-    clanguml::config::class_diagram &diagram);
-
 }
 }
 }
diff --git a/src/common/generators/plantuml/generator.h b/src/common/generators/plantuml/generator.h
index 46febef1..9906dbd7 100644
--- a/src/common/generators/plantuml/generator.h
+++ b/src/common/generators/plantuml/generator.h
@@ -21,6 +21,9 @@
 #include "util/error.h"
 #include "util/util.h"
 
+#include <cppast/libclang_parser.hpp>
+#include <glob/glob.hpp>
+
 #include <ostream>
 
 namespace clanguml::common::generators::plantuml {
@@ -127,4 +130,36 @@ void generator<C, D>::generate_notes(
     }
 }
 
+template <typename DiagramModel, typename DiagramConfig,
+    typename DiagramVisitor>
+DiagramModel generate(cppast::libclang_compilation_database &db,
+    const std::string &name, DiagramConfig &diagram)
+{
+    LOG_INFO("Generating diagram {}.puml", name);
+    DiagramModel d;
+    d.set_name(name);
+
+    // Get all translation units matching the glob from diagram
+    // configuration
+    std::vector<std::string> translation_units{};
+    for (const auto &g : diagram.glob()) {
+        LOG_DBG("Processing glob: {}", g);
+        const auto matches = glob::rglob(g);
+        std::copy(matches.begin(), matches.end(),
+            std::back_inserter(translation_units));
+    }
+
+    cppast::cpp_entity_index idx;
+    cppast::simple_file_parser<cppast::libclang_parser> parser{
+        type_safe::ref(idx)};
+
+    // Process all matching translation units
+    DiagramVisitor ctx(idx, d, diagram);
+    cppast::parse_files(parser, translation_units, db);
+    for (auto &file : parser.files())
+        ctx(file);
+
+    return d;
+}
+
 }
diff --git a/src/main.cc b/src/main.cc
index 1b95a308..6f02be90 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -113,31 +113,47 @@ int main(int argc, const char *argv[])
         ofs.open(path, std::ofstream::out | std::ofstream::trunc);
 
         if (diagram->type() == diagram_type::class_diagram) {
+            using diagram_config = clanguml::config::class_diagram;
+            using diagram_model = clanguml::class_diagram::model::diagram;
+            using diagram_visitor =
+                clanguml::class_diagram::visitor::translation_unit_visitor;
+
             auto model =
-                clanguml::class_diagram::generators::plantuml::generate(
-                    db, name, dynamic_cast<class_diagram &>(*diagram));
+                clanguml::common::generators::plantuml::generate<diagram_model,
+                    diagram_config, diagram_visitor>(db, diagram->name,
+                    dynamic_cast<diagram_config &>(*diagram));
 
             ofs << clanguml::class_diagram::generators::plantuml::generator(
-                dynamic_cast<clanguml::config::class_diagram &>(*diagram),
-                model);
+                dynamic_cast<diagram_config &>(*diagram), model);
         }
         else if (diagram->type() == diagram_type::sequence_diagram) {
+            using diagram_config = clanguml::config::sequence_diagram;
+            using diagram_model = clanguml::sequence_diagram::model::diagram;
+            using diagram_visitor =
+                clanguml::sequence_diagram::visitor::translation_unit_visitor;
+
             auto model =
-                clanguml::sequence_diagram::generators::plantuml::generate(
-                    db, name, dynamic_cast<sequence_diagram &>(*diagram));
+                clanguml::common::generators::plantuml::generate<diagram_model,
+                    diagram_config, diagram_visitor>(db, diagram->name,
+                    dynamic_cast<diagram_config &>(*diagram));
 
             ofs << clanguml::sequence_diagram::generators::plantuml::generator(
                 dynamic_cast<clanguml::config::sequence_diagram &>(*diagram),
                 model);
         }
         else if (diagram->type() == diagram_type::package_diagram) {
+            using diagram_config = clanguml::config::package_diagram;
+            using diagram_model = clanguml::package_diagram::model::diagram;
+            using diagram_visitor =
+                clanguml::package_diagram::visitor::translation_unit_visitor;
+
             auto model =
-                clanguml::package_diagram::generators::plantuml::generate(
-                    db, name, dynamic_cast<package_diagram &>(*diagram));
+                clanguml::common::generators::plantuml::generate<diagram_model,
+                    diagram_config, diagram_visitor>(db, diagram->name,
+                    dynamic_cast<diagram_config &>(*diagram));
 
             ofs << clanguml::package_diagram::generators::plantuml::generator(
-                dynamic_cast<clanguml::config::package_diagram &>(*diagram),
-                model);
+                dynamic_cast<diagram_config &>(*diagram), model);
         }
 
         LOG_INFO("Written {} diagram to {}", name, path.string());
diff --git a/src/package_diagram/generators/plantuml/package_diagram_generator.cc b/src/package_diagram/generators/plantuml/package_diagram_generator.cc
index 289cf9ea..f1a68570 100644
--- a/src/package_diagram/generators/plantuml/package_diagram_generator.cc
+++ b/src/package_diagram/generators/plantuml/package_diagram_generator.cc
@@ -109,36 +109,4 @@ void generator::generate(std::ostream &ostr) const
     ostr << "@enduml" << '\n';
 }
 
-clanguml::package_diagram::model::diagram generate(
-    cppast::libclang_compilation_database &db, const std::string &name,
-    clanguml::config::package_diagram &diagram)
-{
-    LOG_INFO("Generating package diagram {}.puml", name);
-    clanguml::package_diagram::model::diagram d;
-    d.set_name(name);
-
-    // Get all translation units matching the glob from diagram
-    // configuration
-    std::vector<std::string> translation_units{};
-    for (const auto &g : diagram.glob()) {
-        LOG_DBG("Processing glob: {}", g);
-        const auto matches = glob::rglob(g);
-        std::copy(matches.begin(), matches.end(),
-            std::back_inserter(translation_units));
-    }
-
-    cppast::cpp_entity_index idx;
-    cppast::simple_file_parser<cppast::libclang_parser> parser{
-        type_safe::ref(idx)};
-
-    // Process all matching translation units
-    clanguml::package_diagram::visitor::translation_unit_visitor ctx(
-        idx, d, diagram);
-    cppast::parse_files(parser, translation_units, db);
-    for (auto &file : parser.files())
-        ctx(file);
-
-    return d;
-}
-
 }
diff --git a/src/package_diagram/generators/plantuml/package_diagram_generator.h b/src/package_diagram/generators/plantuml/package_diagram_generator.h
index 95bf027f..a29e0743 100644
--- a/src/package_diagram/generators/plantuml/package_diagram_generator.h
+++ b/src/package_diagram/generators/plantuml/package_diagram_generator.h
@@ -28,7 +28,6 @@
 
 #include <cppast/cpp_entity_index.hpp>
 #include <cppast/libclang_parser.hpp>
-#include <glob/glob.hpp>
 
 #include <filesystem>
 #include <fstream>
@@ -65,10 +64,6 @@ public:
     void generate(std::ostream &ostr) const;
 };
 
-clanguml::package_diagram::model::diagram generate(
-    cppast::libclang_compilation_database &db, const std::string &name,
-    clanguml::config::package_diagram &diagram);
-
 }
 }
 }
diff --git a/src/sequence_diagram/generators/plantuml/sequence_diagram_generator.cc b/src/sequence_diagram/generators/plantuml/sequence_diagram_generator.cc
index 6e126966..76b6277f 100644
--- a/src/sequence_diagram/generators/plantuml/sequence_diagram_generator.cc
+++ b/src/sequence_diagram/generators/plantuml/sequence_diagram_generator.cc
@@ -107,35 +107,4 @@ void generator::generate(std::ostream &ostr) const
     ostr << "@enduml" << std::endl;
 }
 
-clanguml::sequence_diagram::model::diagram generate(
-    cppast::libclang_compilation_database &db, const std::string &name,
-    clanguml::config::sequence_diagram &diagram)
-{
-    spdlog::info("Generating diagram {}.puml", name);
-    clanguml::sequence_diagram::model::diagram d;
-    d.name = name;
-
-    cppast::cpp_entity_index idx;
-    cppast::simple_file_parser<cppast::libclang_parser> parser{
-        type_safe::ref(idx)};
-
-    clanguml::sequence_diagram::visitor::translation_unit_visitor visitor(
-        idx, d, diagram);
-
-    // Get all translation units matching the glob from diagram
-    // configuration
-    std::vector<std::string> translation_units{};
-    for (const auto &g : diagram.glob()) {
-        spdlog::debug("Processing glob: {}", g);
-        const auto matches = glob::rglob(g);
-        std::copy(matches.begin(), matches.end(),
-            std::back_inserter(translation_units));
-    }
-    cppast::parse_files(parser, translation_units, db);
-
-    for (auto &file : parser.files())
-        visitor(file);
-
-    return d;
-}
 }
diff --git a/src/sequence_diagram/generators/plantuml/sequence_diagram_generator.h b/src/sequence_diagram/generators/plantuml/sequence_diagram_generator.h
index b47aa630..efcf1c0c 100644
--- a/src/sequence_diagram/generators/plantuml/sequence_diagram_generator.h
+++ b/src/sequence_diagram/generators/plantuml/sequence_diagram_generator.h
@@ -60,10 +60,6 @@ public:
     void generate(std::ostream &ostr) const;
 };
 
-clanguml::sequence_diagram::model::diagram generate(
-    cppast::libclang_compilation_database &db, const std::string &name,
-    clanguml::config::sequence_diagram &diagram);
-
 }
 }
 }
diff --git a/src/sequence_diagram/model/diagram.cc b/src/sequence_diagram/model/diagram.cc
index b83869ce..f85568f4 100644
--- a/src/sequence_diagram/model/diagram.cc
+++ b/src/sequence_diagram/model/diagram.cc
@@ -29,6 +29,10 @@
 
 namespace clanguml::sequence_diagram::model {
 
+std::string diagram::name() const { return name_; }
+
+void diagram::set_name(const std::string &name) { name_ = name; }
+
 std::string diagram::to_alias(const std::string &full_name) const
 {
     return full_name;
diff --git a/src/sequence_diagram/model/diagram.h b/src/sequence_diagram/model/diagram.h
index 240a0b1b..67f6df39 100644
--- a/src/sequence_diagram/model/diagram.h
+++ b/src/sequence_diagram/model/diagram.h
@@ -25,12 +25,18 @@
 namespace clanguml::sequence_diagram::model {
 
 struct diagram {
+    std::string name() const;
+
+    void set_name(const std::string &name);
+
     std::string to_alias(const std::string &full_name) const;
 
     bool started{false};
-    std::string name;
 
     std::map<std::uint_least64_t, activity> sequences;
+
+private:
+    std::string name_;
 };
 
 }
diff --git a/tests/t20001/test_case.h b/tests/t20001/test_case.h
index 1958db5c..66319027 100644
--- a/tests/t20001/test_case.h
+++ b/tests/t20001/test_case.h
@@ -30,7 +30,7 @@ TEST_CASE("t20001", "[test-case][sequence]")
 
     auto model = generate_sequence_diagram(db, diagram);
 
-    REQUIRE(model.name == "t20001_sequence");
+    REQUIRE(model.name() == "t20001_sequence");
 
     auto puml = generate_sequence_puml(diagram, model);
 
diff --git a/tests/t20002/test_case.h b/tests/t20002/test_case.h
index 5b4e3752..24cc8501 100644
--- a/tests/t20002/test_case.h
+++ b/tests/t20002/test_case.h
@@ -26,7 +26,7 @@ TEST_CASE("t20002", "[test-case][sequence]")
 
     auto model = generate_sequence_diagram(db, diagram);
 
-    REQUIRE(model.name == "t20002_sequence");
+    REQUIRE(model.name() == "t20002_sequence");
 
     auto puml = generate_sequence_puml(diagram, model);
 
diff --git a/tests/test_cases.cc b/tests/test_cases.cc
index 8e42aff2..30190d72 100644
--- a/tests/test_cases.cc
+++ b/tests/test_cases.cc
@@ -16,6 +16,7 @@
  * limitations under the License.
  */
 #include "test_cases.h"
+#include "common/generators/plantuml/generator.h"
 
 #include <spdlog/spdlog.h>
 
@@ -44,36 +45,48 @@ clanguml::sequence_diagram::model::diagram generate_sequence_diagram(
     cppast::libclang_compilation_database &db,
     std::shared_ptr<clanguml::config::diagram> diagram)
 {
-    auto diagram_model =
-        clanguml::sequence_diagram::generators::plantuml::generate(db,
-            diagram->name,
-            dynamic_cast<clanguml::config::sequence_diagram &>(*diagram));
+    using diagram_config = clanguml::config::sequence_diagram;
+    using diagram_model = clanguml::sequence_diagram::model::diagram;
+    using diagram_visitor =
+        clanguml::sequence_diagram::visitor::translation_unit_visitor;
 
-    return diagram_model;
+    auto model = clanguml::common::generators::plantuml::generate<diagram_model,
+        diagram_config, diagram_visitor>(db, diagram->name,
+        dynamic_cast<clanguml::config::sequence_diagram &>(*diagram));
+
+    return model;
 }
 
 clanguml::class_diagram::model::diagram generate_class_diagram(
     cppast::libclang_compilation_database &db,
     std::shared_ptr<clanguml::config::diagram> diagram)
 {
-    auto diagram_model =
-        clanguml::class_diagram::generators::plantuml::generate(db,
-            diagram->name,
-            dynamic_cast<clanguml::config::class_diagram &>(*diagram));
+    using diagram_config = clanguml::config::class_diagram;
+    using diagram_model = clanguml::class_diagram::model::diagram;
+    using diagram_visitor =
+        clanguml::class_diagram::visitor::translation_unit_visitor;
 
-    return diagram_model;
+    auto model = clanguml::common::generators::plantuml::generate<diagram_model,
+        diagram_config, diagram_visitor>(
+        db, diagram->name, dynamic_cast<diagram_config &>(*diagram));
+
+    return model;
 }
 
 clanguml::package_diagram::model::diagram generate_package_diagram(
     cppast::libclang_compilation_database &db,
     std::shared_ptr<clanguml::config::diagram> diagram)
 {
-    auto diagram_model =
-        clanguml::package_diagram::generators::plantuml::generate(db,
-            diagram->name,
-            dynamic_cast<clanguml::config::package_diagram &>(*diagram));
+    using diagram_config = clanguml::config::package_diagram;
+    using diagram_model = clanguml::package_diagram::model::diagram;
+    using diagram_visitor =
+        clanguml::package_diagram::visitor::translation_unit_visitor;
 
-    return diagram_model;
+    auto model = clanguml::common::generators::plantuml::generate<diagram_model,
+        diagram_config, diagram_visitor>(
+        db, diagram->name, dynamic_cast<diagram_config &>(*diagram));
+
+    return model;
 }
 
 std::string generate_sequence_puml(