[WIP] Add C API shared library (dasher.h / CAPI.cpp)

.gitignore

@@ -31,16 +31,38 @@
 *.out
 *.app
 
-# Build Files
-Build
+# Build directories
+build/
+Build/
+out/
 
-# Eclipse
+# Build logs
+build_log.txt
+
+# IDE
 .autotools
 .cproject
 .project
-
 .gradle/
-.idea
-
-# Visual Studio Code
+.idea/
 .ionide/
+.vs/
+.vscode/
+*.user
+*.suo
+*.sln
+*.vcxproj*
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Backup files
+CMakeLists.txt.capi
+do_build.cmd
+
+# Runtime settings files
+Data/dasher_settings.xml
+*.settings.xml
+dasher_settings.xml
+dasher.log

CMakeLists.txt

@@ -19,6 +19,28 @@ endif()
 set(PUGIXML_BUILD_TESTS OFF CACHE BOOL "" FORCE)
 add_subdirectory("${CMAKE_CURRENT_LIST_DIR}/Thirdparty/pugixml" EXCLUDE_FROM_ALL)
 
+###############################
+# Code Generation: Parameters.cpp from settings_manifest.json
+###############################
+
+set(PARAMETERS_MANIFEST "${CMAKE_CURRENT_LIST_DIR}/settings_manifest.json")
+set(PARAMETERS_GENERATOR "${CMAKE_CURRENT_LIST_DIR}/Scripts/generate_parameters.py")
+set(PARAMETERS_OUTPUT "${CMAKE_CURRENT_LIST_DIR}/src/DasherCore/Parameters.cpp")
+
+find_package(Python3 COMPONENTS Interpreter)
+
+if(Python3_Interpreter_FOUND)
+    add_custom_command(
+        OUTPUT ${PARAMETERS_OUTPUT}
+        COMMAND ${Python3_EXECUTABLE} ${PARAMETERS_GENERATOR}
+        DEPENDS ${PARAMETERS_MANIFEST} ${PARAMETERS_GENERATOR}
+        COMMENT "Generating Parameters.cpp from settings_manifest.json"
+        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
+    )
+else()
+    message(WARNING "Python3 not found. Parameters.cpp will not be auto-regenerated from settings_manifest.json. Edit the JSON and run: python3 Scripts/generate_parameters.py")
+endif()
+
 ###############################
 # Building Core Dasher Library
 ###############################
@@ -44,10 +66,63 @@ ADD_library(DasherCore STATIC
 	${SOURCE_FILES}
 )
 
+set_target_properties(DasherCore PROPERTIES
+	POSITION_INDEPENDENT_CODE ON
+)
+
 target_include_directories(DasherCore PUBLIC ${CMAKE_CURRENT_LIST_DIR}/src/)
 
 add_dependencies(DasherCore pugixml)
 target_link_libraries(DasherCore pugixml)
 
 source_group(TREE ${CMAKE_CURRENT_LIST_DIR}/src/ FILES ${HEADER_FILES} ${SOURCE_FILES})
 set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT DasherCore)
+
+###############################
+# C API shared library
+###############################
+
+option(BUILD_CAPI "Build the C API shared library (dasher.dll / libdasher.so)" ON)
+
+if(BUILD_CAPI)
+    add_library(dasher SHARED
+        ${CMAKE_CURRENT_LIST_DIR}/src/CAPI.cpp
+    )
+
+    target_include_directories(dasher PRIVATE
+        ${CMAKE_CURRENT_LIST_DIR}/src/
+    )
+
+    target_link_libraries(dasher PRIVATE DasherCore)
+
+    if(WIN32)
+        target_compile_definitions(dasher PRIVATE DASHER_BUILDING)
+    endif()
+
+    set_target_properties(dasher PROPERTIES
+        RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
+        LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
+        ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
+    )
+
+    # C API Tests
+    option(BUILD_TESTS "Build the C API unit tests" ON)
+    if(BUILD_TESTS)
+        add_executable(dasher_test
+            ${CMAKE_CURRENT_LIST_DIR}/tests/test_capi.cpp
+        )
+
+        target_include_directories(dasher_test PRIVATE
+            ${CMAKE_CURRENT_LIST_DIR}/src/
+        )
+
+        target_link_libraries(dasher_test PRIVATE dasher)
+
+        # Allow setting test data directory
+        if(TEST_DATA_DIR)
+            target_compile_definitions(dasher_test PRIVATE TEST_DATA_DIR="${TEST_DATA_DIR}")
+        endif()
+
+        add_test(NAME dasher_capi_tests COMMAND dasher_test)
+    endif()
+endif()