chore: make reflect-cpp compilable as ros pacakge

Author: TomCC7

.gitignore

@@ -54,6 +54,7 @@
 *.toml
 *.ubjson
 *.xml
+!package.xml
 *.yml
 *.yaml
 
@@ -94,4 +95,4 @@ share/python-wheels/
 MANIFEST
 
 # Docs
-site/
+site/

CMakeLists.txt

@@ -141,9 +141,11 @@ if (REFLECTCPP_USE_VCPKG)
     set(CMAKE_TOOLCHAIN_FILE ${CMAKE_CURRENT_SOURCE_DIR}/vcpkg/scripts/buildsystems/vcpkg.cmake CACHE STRING "Vcpkg toolchain file")
 endif ()
 
-project(reflectcpp VERSION 0.23.0 LANGUAGES CXX)
+project(reflect_cpp VERSION 0.23.0 LANGUAGES CXX)
 
-if (PROJECT_IS_TOP_LEVEL)
+find_package(ament_cmake QUIET)
+
+if (PROJECT_IS_TOP_LEVEL AND ament_cmake_FOUND)
     set(REFLECTCPP_INSTALL ON)
 endif()
 
@@ -508,3 +510,7 @@ set(CPACK_RPM_PACKAGE_REQUIRES "")
 
 include(CPack)
 
+if (ament_cmake_FOUND)
+    ament_package()
+endif()
+

package.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
+<package format="3">
+  <name>reflect_cpp</name>
+  <version>0.1.0</version>
+  <description>C++ reflection library</description>
+  <maintainer email="liuzicheng1987@example.com">liuzicheng1987</maintainer>
+  <license>MIT</license>
+
+  <buildtool_depend>ament_cmake</buildtool_depend>
+
+  <export>
+    <build_type>ament_cmake</build_type>
+  </export>
+</package>