glfw/CMake/GenerateMappings.cmake
Camilla Löwy 0a3fb9940f Simplify CMake if-statement variable references
Variables in CMake if-statements (and only in if-statements) do not need
to be explicitly dereferenced; a thing I did not always know.

(cherry picked from commit daed5edd6e)
2021-08-27 17:22:01 +02:00

49 lines
1.7 KiB
CMake

# Usage:
# cmake -P GenerateMappings.cmake <path/to/mappings.h.in> <path/to/mappings.h>
set(source_url "https://raw.githubusercontent.com/gabomdq/SDL_GameControllerDB/master/gamecontrollerdb.txt")
set(source_path "${CMAKE_CURRENT_BINARY_DIR}/gamecontrollerdb.txt")
set(template_path "${CMAKE_ARGV3}")
set(target_path "${CMAKE_ARGV4}")
if (NOT EXISTS "${template_path}")
message(FATAL_ERROR "Failed to find template file ${template_path}")
endif()
file(DOWNLOAD "${source_url}" "${source_path}"
STATUS download_status
TLS_VERIFY on)
list(GET download_status 0 status_code)
list(GET download_status 1 status_message)
if (status_code)
message(FATAL_ERROR "Failed to download ${source_url}: ${status_message}")
endif()
file(STRINGS "${source_path}" lines)
foreach(line ${lines})
if (line MATCHES "^[0-9a-fA-F].*$")
if (line MATCHES "platform:Windows")
if (GLFW_WIN32_MAPPINGS)
set(GLFW_WIN32_MAPPINGS "${GLFW_WIN32_MAPPINGS}\n")
endif()
set(GLFW_WIN32_MAPPINGS "${GLFW_WIN32_MAPPINGS}\"${line}\",")
elseif (line MATCHES "platform:Mac OS X")
if (GLFW_COCOA_MAPPINGS)
set(GLFW_COCOA_MAPPINGS "${GLFW_COCOA_MAPPINGS}\n")
endif()
set(GLFW_COCOA_MAPPINGS "${GLFW_COCOA_MAPPINGS}\"${line}\",")
elseif (line MATCHES "platform:Linux")
if (GLFW_LINUX_MAPPINGS)
set(GLFW_LINUX_MAPPINGS "${GLFW_LINUX_MAPPINGS}\n")
endif()
set(GLFW_LINUX_MAPPINGS "${GLFW_LINUX_MAPPINGS}\"${line}\",")
endif()
endif()
endforeach()
configure_file("${template_path}" "${target_path}" @ONLY NEWLINE_STYLE UNIX)
file(REMOVE "${source_path}")