Add appropriate project version evaluation

Signed-off-by: Cristian Le <cristian.le@mpsd.mpg.de>

src/CMakeLists.txt

@@ -8,13 +8,15 @@ target_sources(nlohmann_json_schema_validator PRIVATE
         )
 target_sources(nlohmann_json_schema_validator_cli PRIVATE
         cli.cpp)
+configure_file(nlohmann/json-schema.hpp.in nlohmann/json-schema.hpp)
 
 target_include_directories(nlohmann_json_schema_validator PUBLIC
         $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
         )
 set_target_properties(nlohmann_json_schema_validator PROPERTIES
-        PUBLIC_HEADER nlohmann/json-schema.hpp)
+        PUBLIC_HEADER ${CMAKE_CURRENT_BINARY_DIR}/nlohmann/json-schema.hpp)
 target_link_libraries(nlohmann_json_schema_validator_cli PRIVATE
         nlohmann_json_schema_validator CLI11::CLI11)
 

src/cli.cpp

@@ -10,6 +10,7 @@ using namespace nlohmann::json_schema;
 
 class main_cli : public CLI::App
 {
+	std::string version;
 	std::ifstream schema_input;
 	std::filesystem::path object_path;
 	// TODO: Export this as a built-in loader
@@ -34,10 +35,10 @@ public:
 	    : CLI::App{"Json schema validator", "json-validator"},
 	      validator{
 	          [this](const json_uri &u, json &s) { this->loader(u, s); },
-	          default_string_format_check}
+	          default_string_format_check},
+	      version{nlohmann::json_schema::version}
 	{
-		// TODO: Move to a generated header file
-		set_version_flag("--version", "2.2.0");
+		set_version_flag("--version", version);
 		add_option("schema", schema_input, "JSON schema of the object")
 		    ->check(CLI::ExistingFile);
 		add_option("object", object_path, "JSON object to validate")

src/nlohmann/json-schema.hpp.in

@@ -128,6 +128,8 @@ public:
 namespace json_schema
 {
 
+constexpr std::string_view version = "@PROJECT_VERSION@";
+
 extern json draft7_schema_builtin;
 
 typedef std::function<void(const json_uri & /*id*/, json & /*value*/)> schema_loader;