genFormatCommand.cmake

# Copyright (c) 2017, Daniel Mensinger
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set( __generate_format_command__DIR "${CMAKE_CURRENT_LIST_DIR}" )

# Adds a new make target CMD_NAME that formats the entire source code with clang-format
function( generate_format_command CMD_NAME CM_CLANG_FORMAT_VER )
  set( FILE_IN  "${__generate_format_command__DIR}/templates/cmake_format.cmake.in" )
  set( FILE_OUT "${PROJECT_BINARY_DIR}/cmake_format.cmake" )

  list( APPEND SOURCES_RAW ${${PROJECT_NAME}_ALL_UNASIGNED_HPP} )
  list( APPEND SOURCES_RAW ${${PROJECT_NAME}_ALL_UNASIGNED_CPP} )
  list( SORT SOURCES_RAW )

  foreach( I IN LISTS SOURCES_RAW )
    string( APPEND CM_ALL_SOURCE_FILES "   ${I}\n" )
  endforeach( I IN LISTS SOURCES_RAW )

  configure_file( "${FILE_IN}" "${FILE_OUT}" @ONLY )
  add_custom_target( ${CMD_NAME} COMMAND ${CMAKE_COMMAND} -P ${FILE_OUT} )
endfunction( generate_format_command )