Files
vcpkg/scripts/cmake/vcpkg_host_path_list.cmake
2025-10-22 16:51:13 -07:00

65 lines
2.6 KiB
CMake

function(vcpkg_host_path_list)
if("${ARGC}" LESS "2")
message(FATAL_ERROR "vcpkg_host_path_list requires at least two arguments.")
endif()
if("${ARGV1}" MATCHES "^ARGV([0-9]*)$|^ARG[CN]$|^CMAKE_CURRENT_FUNCTION|^CMAKE_MATCH_")
message(FATAL_ERROR "vcpkg_host_path_list does not support the list_var being ${ARGV1}.
Please use a different variable name.")
endif()
if("${ARGV1}" MATCHES [[^ENV\{(.*)\}$]])
set(list "$ENV{${CMAKE_MATCH_1}}")
set(env_var ON)
elseif("${ARGV1}" MATCHES [[^([A-Z]+)\{.*\}$]])
message(FATAL_ERROR "vcpkg_host_path_list does not support ${CMAKE_MATCH_1} variables;
only ENV{} and regular variables are supported.")
else()
set(list "${${ARGV1}}")
set(env_var OFF)
endif()
set(operation "${ARGV0}")
set(list_var "${ARGV1}")
cmake_parse_arguments(PARSE_ARGV 2 arg "" "" "")
set(bad_items "${arg_UNPARSED_ARGUMENTS}")
list(FILTER bad_items INCLUDE REGEX "[${VCPKG_HOST_PATH_SEPARATOR}]")
if(NOT "${bad_items}" STREQUAL "")
message(FATAL_ERROR "Host path separator (${VCPKG_HOST_PATH_SEPARATOR}) in path; this is unsupported.")
endif()
if("${operation}" STREQUAL "SET")
cmake_path(CONVERT "${arg_UNPARSED_ARGUMENTS}" TO_NATIVE_PATH_LIST arguments)
set(list "${arguments}")
elseif("${operation}" STREQUAL "APPEND")
cmake_path(CONVERT "${arg_UNPARSED_ARGUMENTS}" TO_NATIVE_PATH_LIST arguments)
if("${list}" STREQUAL "")
set(list "${arguments}")
elseif(NOT "${arguments}" STREQUAL "")
set(list "${list}${VCPKG_HOST_PATH_SEPARATOR}${arguments}")
endif()
elseif("${operation}" STREQUAL "PREPEND")
cmake_path(CONVERT "${arg_UNPARSED_ARGUMENTS}" TO_NATIVE_PATH_LIST arguments)
if("${list}" STREQUAL "")
set(list "${arguments}")
elseif(NOT "${arguments}" STREQUAL "")
set(list "${arguments}${VCPKG_HOST_PATH_SEPARATOR}${list}")
endif()
elseif("${operation}" STREQUAL "REMOVE_DUPLICATES")
if(NOT VCPKG_HOST_PATH_SEPARATOR STREQUAL ";")
string(REPLACE [[;]] [[\\\;]] list "${list}")
endif()
cmake_path(CONVERT "${list}" TO_CMAKE_PATH_LIST current_list)
list(REMOVE_DUPLICATES current_list)
cmake_path(CONVERT "${current_list}" TO_NATIVE_PATH_LIST list)
else()
message(FATAL_ERROR "Operation ${operation} not recognized.")
endif()
if(env_var)
set("${list_var}" "${list}")
else()
set("${list_var}" "${list}" PARENT_SCOPE)
endif()
endfunction()