vcpkg/scripts/cmake/vcpkg_host_path_list.cmake
Robert Schumacher 7d2449c346
[docs] Delete embedded documentation in favor of docs/ (#25096)
* [docs] Delete embedded documentation in favor of docs/

Drive-by for the helper ports:
1. "documentation": "https://vcpkg.io/en/docs/README.html"
2. "license": "MIT"
3. Use `include_guard(GLOBAL)` in all script files
4. Make sure any persistent variables are saved to the cache

* [docs] Restore empty regenerate.ps1 to satisfy Azure Pipelines

* [docs] PR comments
2022-06-07 16:26:51 -07:00

69 lines
2.5 KiB
CMake

function(z_vcpkg_translate_to_host_path_list out_var lst)
if(NOT DEFINED arg_UNPARSED_ARGUMENTS)
set("${out_var}" "" PARENT_SCOPE)
else()
if("${VCPKG_HOST_PATH_SEPARATOR}" STREQUAL ";")
set("${out_var}" "${lst}" PARENT_SCOPE)
string(FIND "${lst}" [[\;]] index_of_host_path_separator)
else()
vcpkg_list(JOIN lst "${VCPKG_HOST_PATH_SEPARATOR}" arguments)
set("${out_var}" "${arguments}" PARENT_SCOPE)
string(FIND "${lst}" "${VCPKG_HOST_PATH_SEPARATOR}" index_of_host_path_separator)
endif()
if(NOT "${index_of_host_path_separator}" EQUAL "-1")
message(FATAL_ERROR "Host path separator (${VCPKG_HOST_PATH_SEPARATOR}) in path; this is unsupported.")
endif()
endif()
endfunction()
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 "${ARGV1}")
cmake_parse_arguments(PARSE_ARGV 2 arg "" "" "")
z_vcpkg_translate_to_host_path_list(arguments "${arg_UNPARSED_ARGUMENTS}")
if("${operation}" STREQUAL "SET")
set(list "${arguments}")
elseif("${operation}" MATCHES "^(APPEND|PREPEND)$")
if("${arguments}" STREQUAL "")
# do nothing
elseif("${list}" STREQUAL "")
set(list "${arguments}")
elseif("${operation}" STREQUAL "PREPEND")
set(list "${arguments}${VCPKG_HOST_PATH_SEPARATOR}${list}")
else()
set(list "${list}${VCPKG_HOST_PATH_SEPARATOR}${arguments}")
endif()
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()