Lua bindings

.gitignore

@@ -3,6 +3,7 @@ build/
 # Object files
 *.o
 *.lib
+*.so.*
 *.so
 *.lo
 *.la
@@ -20,3 +21,17 @@ package.json
 binding.gyp
 READMEFIRST
 npm-debug.log
+
+# lua files
+src/lua/mraaLUA_wrap.cxx
+
+# CMake
+CMakeFiles
+CMakeCache.txt
+cmake_install.cmake
+CTestTestfile.cmake
+Makefile
+
+# Gen files
+arch.c
+src/mraa.pc

CMakeLists.txt

@@ -68,6 +68,7 @@ option (BUILDSWIG "Build swig modules." ON)
 option (BUILDSWIGPYTHON "Build swig python modules." ON)
 option (BUILDSWIGNODE "Build swig node modules." ON)
 option (BUILDSWIGJAVA "Build Java API." OFF)
+option (BUILDSWIGLUA "Build Lua API." OFF)
 option (USBPLAT "Detection USB platform." OFF)
 option (FIRMATA "Add Firmata support to mraa." OFF)
 option (ONEWIRE "Add Onewire support to mraa." ON)
@@ -87,6 +88,7 @@ if (NOT BUILDSWIG)
  set (BUILDSWIGPYTHON OFF)
  set (BUILDSWIGNODE OFF)
  set (BUILDSWIGJAVA OFF)
+ set (BUILDSWIGLUA OFF)
 endif()
 
 if (NOT BUILDARCH)

src/CMakeLists.txt

@@ -204,6 +204,9 @@ if (BUILDSWIG)
  message (SEND_ERROR "SWIG is ${SWIG_VERSION}. Please upgrade to 3.0.5+ to build nodejs addon")
  endif ()
  endif ()
+ if (BUILDSWIGLUA)
+ add_subdirectory (lua)
+ endif()
  endif ()
 endif ()
 

src/lua/CMakeLists.txt

@@ -0,0 +1,50 @@
+find_package (Lua REQUIRED)
+
+include_directories(
+ ${CMAKE_CURRENT_SOURCE_DIR}/..
+ ${LUA_INCLUDE_DIR}
+)
+
+set_source_files_properties (mraa.i PROPERTIES CPLUSPLUS ON)
+set_source_files_properties (mraa.i PROPERTIES SWIG_FLAGS "-I${CMAKE_BINARY_DIR}/src")
+swig_add_module (lua-mraa lua mraa.i)
+swig_link_libraries (lua-mraa mraa ${LUA_LIBRARIES})
+
+if (DOXYGEN_FOUND)
+ foreach (_file ${DOCCLASSES})
+ add_dependencies (${SWIG_MODULE_lua-mraa_REAL_NAME} ${_file}class_doc_i)
+ endforeach ()
+ add_dependencies (${SWIG_MODULE_lua-mraa_REAL_NAME} common_hpp_doc_i)
+
+ add_custom_target (pydoc
+ pydoc -w ${CMAKE_CURRENT_BINARY_DIR}/mraa.py ${CMAKE_CURRENT_BINARY_DIR}/
+ WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+ COMMENT "Generating API documentation with pydoc" VERBATIM
+ )
+endif ()
+
+set_target_properties (${SWIG_MODULE_lua-mraa_REAL_NAME} PROPERTIES
+ OUTPUT_NAME mraa
+ COMPILE_FLAGS "${CMAKE_C_FLAGS} -DSWIG=${SWIG_FOUND}"
+)
+
+execute_process (
+ COMMAND lua -e
+ "string.gsub(package.path, '[^;]+', function(e)
+ if e:find('/usr/local') == 1 then
+ p = e:gsub('(?.lua)', '')
+ io.write(p)
+ os.exit(0)
+ end
+ end)
+ os.exit(1)
+ "
+ OUTPUT_VARIABLE LUA_SITE_DIR
+)
+
+install (FILES ${CMAKE_CURRENT_BINARY_DIR}/mraa.so
+ DESTINATION ${LUA_SITE_DIR})
+
+message(STATUS "Lua site dir: ${LUA_SITE_DIR}")
+
+add_subdirectory (docs)

src/lua/docs/CMakeLists.txt

@@ -0,0 +1,41 @@
+if (DOXYGEN_FOUND)
+ find_package (Sphinx)
+ if (SPHINX_FOUND)
+ if (NOT DEFINED SPHINX_THEME)
+ set (SPHINX_THEME default)
+ endif ()
+
+ if (NOT DEFINED SPHINX_THEME_DIR)
+ set (SPHINX_THEME_DIR)
+ endif ()
+
+ # configured documentation tools and intermediate build results
+ set (BINARY_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}")
+
+ # Sphinx cache with pickled ReST documents
+ set (SPHINX_CACHE_DIR "${CMAKE_CURRENT_BINARY_DIR}/doctrees")
+
+ # HTML output directory
+ set (SPHINX_HTML_DIR "${CMAKE_CURRENT_BINARY_DIR}/html")
+
+ # doc .rst locations
+ set (SPHINX_DOC_LOATION "${CMAKE_CURRENT_SOURCE_DIR}")
+
+ configure_file(
+ "${CMAKE_CURRENT_SOURCE_DIR}/conf.py.in"
+ "${BINARY_BUILD_DIR}/conf.py"
+ @ONLY
+ )
+
+ add_custom_target(sphinx ALL
+ ${SPHINX_EXECUTABLE} -b html
+ -c "${BINARY_BUILD_DIR}"
+ -d "${SPHINX_CACHE_DIR}"
+ "${SPHINX_DOC_LOATION}"
+ "${SPHINX_HTML_DIR}"
+ COMMENT "Building HTML documentation with Sphinx"
+ )
+
+ add_dependencies (sphinx ${SWIG_MODULE_python-mraa_REAL_NAME})
+ endif ()
+endif ()