Fix handling of query_driver option in config file (#243)

src/config/schema.h

@@ -301,6 +301,7 @@ root:
     #
     compilation_database_dir: !optional string
     output_directory: !optional string
+    query_driver: !optional string
     add_compile_flags: !optional [string]
     remove_compile_flags: !optional [string]
     diagram_templates: !optional diagram_templates_t

src/config/yaml_decoders.cc

@@ -815,6 +815,7 @@ template <> struct convert<config> {
         get_option(node, rhs.using_namespace);
         get_option(node, rhs.using_module);
         get_option(node, rhs.output_directory);
+        get_option(node, rhs.query_driver);
         get_option(node, rhs.compilation_database_dir);
         get_option(node, rhs.add_compile_flags);
         get_option(node, rhs.remove_compile_flags);

src/config/yaml_emitters.cc

@@ -274,6 +274,7 @@ YAML::Emitter &operator<<(YAML::Emitter &out, const config &c)
 
     out << c.compilation_database_dir;
     out << c.output_directory;
+    out << c.query_driver;
     out << c.add_compile_flags;
     out << c.remove_compile_flags;
 

tests/test_config.cc

@@ -32,6 +32,7 @@ TEST_CASE("Test config simple", "[unit-test]")
 
     auto cfg = clanguml::config::load("./test_config_data/simple.yml");
 
+    CHECK(cfg.query_driver() == "g++");
     CHECK(cfg.diagrams.size() == 1);
     auto &diagram = *cfg.diagrams["class_main"];
     CHECK(diagram.type() == clanguml::common::model::diagram_t::kClass);

tests/test_config_data/complete.yml

@@ -2,6 +2,8 @@
 compilation_database_dir: debug
 # The directory where *.puml files will be generated
 output_directory: docs/diagrams
+# Query compiler frontend for compilation flags
+query_driver: .
 # Set this as default for all diagrams
 generate_method_arguments: none
 # Enable generation of hyperlinks to diagram elements

tests/test_config_data/simple.yml

@@ -1,6 +1,7 @@
 compilation_database_dir: debug
 comment_parser: clang
 output_directory: output
+query_driver: g++
 generate_template_argument_dependencies: false
 diagrams:
   class_main: