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macro(z_vcpkg_list_escape_once_more lst)
string(REPLACE [[\;]] [[\\;]] "${lst}" "${${lst}}")
endmacro()
function(vcpkg_list)
# NOTE: as this function replaces an existing CMake command,
# it does not use cmake_parse_arguments
# vcpkg_list(<operation> <list_var> ...)
# A0 A1
if(ARGC LESS "2")
message(FATAL_ERROR "vcpkg_list requires at least two arguments.")
endif()
if(ARGV1 MATCHES "^ARGV([0-9]*)$|^ARG[CN]$|^CMAKE_CURRENT_FUNCTION")
message(FATAL_ERROR "vcpkg_list does not support the list_var being ${ARGV1}.
Please use a different variable name.")
endif()
set(list "${${ARGV1}}")
set(operation "${ARGV0}")
set(list_var "${ARGV1}")
if(operation STREQUAL "SET")
z_vcpkg_function_arguments(args 2)
set("${list_var}" "${args}" PARENT_SCOPE)
return()
endif()
# Normal reading functions
if(operation STREQUAL "LENGTH")
# vcpkg_list(LENGTH <list-var> <out-var>)
# A0 A1 A2
if(NOT ARGC EQUAL "3")
message(FATAL_ERROR "vcpkg_list sub-command ${operation} requires two arguments.")
endif()
list(LENGTH list out)
set("${ARGV2}" "${out}" PARENT_SCOPE)
return()
endif()
if(operation MATCHES "^(GET|JOIN|FIND)$")
# vcpkg_list(<operation> <list-var> <arg> <out-var>)
# A0 A1 A2 A3
if(NOT ARGC EQUAL "4")
message(FATAL_ERROR "vcpkg_list sub-command ${operation} requires three arguments.")
endif()
if(operation STREQUAL "GET")
list(LENGTH list length)
if(length EQUAL "0")
message(FATAL_ERROR "vcpkg_list GET given empty list")
elseif(ARGV2 GREATER_EQUAL length OR ARGV2 LESS "-${length}")
message(FATAL_ERROR "vcpkg_list index: ${ARGV2} is not in range")
endif()
endif()
list("${operation}" list "${ARGV2}" out)
set("${ARGV3}" "${out}" PARENT_SCOPE)
return()
endif()
if(operation STREQUAL "SUBLIST")
# vcpkg_list(SUBLIST <list-var> <begin> <length> <out-var>)
# A0 A1 A2 A3 A4
if(NOT ARGC EQUAL "5")
message(FATAL_ERROR "vcpkg_list sub-command SUBLIST requires four arguments.")
endif()
list(LENGTH list length)
if(ARGV2 LESS "0" OR (ARGV2 GREATER_EQUAL length AND NOT ARGV2 EQUAL "0"))
message(FATAL_ERROR "vcpkg_list begin index: ${ARGV2} is out of range")
endif()
z_vcpkg_list_escape_once_more(list)
list(SUBLIST list "${ARGV2}" "${ARGV3}" out)
set("${ARGV4}" "${out}" PARENT_SCOPE)
return()
endif()
# modification functions
if(operation MATCHES "^(APPEND|PREPEND)$")
# vcpkg_list(<operation> <list> [<element>...])
# A0 A1 A2...
# if ARGC <= 2, then we don't have to do anything
if(ARGC GREATER 2)
z_vcpkg_function_arguments(args 2)
if(list STREQUAL "")
set("${list_var}" "${args}" PARENT_SCOPE)
elseif(operation STREQUAL "APPEND")
set("${list_var}" "${list};${args}" PARENT_SCOPE)
else()
set("${list_var}" "${args};${list}" PARENT_SCOPE)
endif()
endif()
return()
endif()
if(operation STREQUAL "INSERT")
# vcpkg_list(INSERT <list> <index> [<element>...])
# A0 A1 A2 A3...
list(LENGTH list length)
if(ARGV2 LESS "-{$length}" OR ARGV2 GREATER length)
message(FATAL_ERROR "vcpkg_list index: ${ARGV2} out of range")
endif()
if(ARGC GREATER 3)
# list(LENGTH) is one of the few subcommands that's fine
list(LENGTH list length)
if(ARGV2 LESS "0")
math(EXPR ARGV2 "${length} + ${ARGV2}")
endif()
if(ARGV2 LESS "0" OR ARGV2 GREATER length)
message(FATAL_ERROR "list index: ${ARGV2} out of range (-${length}, ${length})")
endif()
z_vcpkg_function_arguments(args 3)
if(list STREQUAL "")
set("${list_var}" "${args}" PARENT_SCOPE)
elseif(ARGV2 EQUAL "0")
set("${list_var}" "${args};${list}" PARENT_SCOPE)
elseif(ARGV2 EQUAL length)
set("${list_var}" "${list};${args}" PARENT_SCOPE)
else()
vcpkg_list(SUBLIST list 0 "${ARGV2}" list_start)
vcpkg_list(SUBLIST list "${ARGV2}" -1 list_end)
set("${list_var}" "${list_start};${args};${list_end}" PARENT_SCOPE)
endif()
elseif(ARGC LESS 3)
message(FATAL_ERROR "vcpkg_list sub-command INSERT requires at least two arguments.")
endif()
return()
endif()
if(operation MATCHES "^(POP_BACK|POP_FRONT|REVERSE|REMOVE_DUPLICATES)$")
# vcpkg_list(<operation> <list>)
# A0 A1
if(NOT ARGC EQUAL 2)
message(FATAL_ERROR "vcpkg_list sub-command ${operation} requires one argument.")
endif()
z_vcpkg_list_escape_once_more(list)
list("${operation}" list)
set("${list_var}" "${list}" PARENT_SCOPE)
return()
endif()
if(operation MATCHES "^(REMOVE_AT|REMOVE_ITEM)$")
# vcpkg_list(<operation> <list> <index-or-item>)
# A0 A1 A2
if(NOT ARGC EQUAL 3)
message(FATAL_ERROR "vcpkg_list sub-command ${operation} requires two arguments.")
endif()
if(operation STREQUAL "REMOVE_AT")
list(LENGTH list length)
if(ARGV2 GREATER_EQUAL length OR ARGV2 LESS "-${length}")
message(FATAL_ERROR "vcpkg_list index: ${ARGV2} out of range")
endif()
endif()
z_vcpkg_list_escape_once_more(list)
string(REPLACE [[;]] [[\;]] ARGV2 "${ARGV2}")
list("${operation}" list "${ARGV2}")
set("${list_var}" "${list}" PARENT_SCOPE)
return()
endif()
message(FATAL_ERROR "vcpkg_list sub-command ${operation} is not yet implemented.")
endfunction()
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