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|
MACRO(GET_DATE)
#
# All macro arguments are optional.
# If there's an ARGV0, use it as GD_PREFIX. Default = 'GD_'
# If there's an ARGV1, use it as ${GD_PREFIX}VERBOSE. Default = '0'
#
# If the date can be retrieved and parsed successfully, this macro
# will set the following CMake variables:
#
# GD_PREFIX
# ${GD_PREFIX}PREFIX (if '${GD_PREFIX}' is not 'GD_'...!)
# ${GD_PREFIX}VERBOSE
#
# ${GD_PREFIX}CMD
# ${GD_PREFIX}ARGS
# ${GD_PREFIX}OV
# ${GD_PREFIX}RV
#
# ${GD_PREFIX}REGEX
# ${GD_PREFIX}YEAR
# ${GD_PREFIX}MONTH
# ${GD_PREFIX}DAY
# ${GD_PREFIX}HOUR
# ${GD_PREFIX}MINUTE
# ${GD_PREFIX}SECOND
# ${GD_PREFIX}FRACTIONAL_SECOND
# ${GD_PREFIX}DAY_OF_WEEK
#
# Caller can then use these variables to construct names based on
# date and time stamps...
#
# If there's an ARGV0, use it as GD_PREFIX:
#
SET(GD_PREFIX "GD_")
IF(NOT "${ARGV0}" STREQUAL "")
SET(GD_PREFIX "${ARGV0}")
ENDIF(NOT "${ARGV0}" STREQUAL "")
IF(NOT "${GD_PREFIX}" STREQUAL "GD_")
SET(${GD_PREFIX}PREFIX "${GD_PREFIX}")
ENDIF(NOT "${GD_PREFIX}" STREQUAL "GD_")
# If there's an ARGV1, use it as ${GD_PREFIX}VERBOSE:
#
SET(${GD_PREFIX}VERBOSE "0")
IF(NOT "${ARGV1}" STREQUAL "")
SET(${GD_PREFIX}VERBOSE "${ARGV1}")
ENDIF(NOT "${ARGV1}" STREQUAL "")
# Retrieve the current date and time in the format:
#
# Thu 01/12/2006 8:55:12.01
# dow mm/dd/YYYY HH:MM:SS.ssssss
#
# Use "echo %DATE% %TIME%" on Windows.
# Otherwise, try "date" as implemented on most Unix flavors.
#
IF(WIN32)
#
# Use "cmd" shell with %DATE% and %TIME% support...
# May need adjustment in different locales or for custom date/time formats
# set in the Windows Control Panel.
#
SET(${GD_PREFIX}CMD "cmd")
SET(${GD_PREFIX}ARGS "/c echo %DATE% %TIME%")
ELSE(WIN32)
#
# Match the format returned by default in US English Windows:
#
SET(${GD_PREFIX}CMD "date")
SET(${GD_PREFIX}ARGS "\"+%a %m/%d/%Y %H:%M:%S.00\"")
ENDIF(WIN32)
EXEC_PROGRAM("${${GD_PREFIX}CMD}" "." ARGS "${${GD_PREFIX}ARGS}"
OUTPUT_VARIABLE ${GD_PREFIX}OV RETURN_VALUE ${GD_PREFIX}RV
)
IF(${GD_PREFIX}VERBOSE)
MESSAGE(STATUS "")
MESSAGE(STATUS "<GET_DATE>")
MESSAGE(STATUS "")
MESSAGE(STATUS "GD_PREFIX='${GD_PREFIX}'")
IF(NOT "${GD_PREFIX}" STREQUAL "GD_")
MESSAGE(STATUS "${GD_PREFIX}PREFIX='${${GD_PREFIX}PREFIX}'")
ENDIF(NOT "${GD_PREFIX}" STREQUAL "GD_")
MESSAGE(STATUS "${GD_PREFIX}VERBOSE='${${GD_PREFIX}VERBOSE}'")
MESSAGE(STATUS "")
MESSAGE(STATUS "${GD_PREFIX}CMD='${${GD_PREFIX}CMD}'")
MESSAGE(STATUS "${GD_PREFIX}ARGS='${${GD_PREFIX}ARGS}'")
MESSAGE(STATUS "${GD_PREFIX}OV='${${GD_PREFIX}OV}'")
MESSAGE(STATUS "${GD_PREFIX}RV='${${GD_PREFIX}RV}'")
MESSAGE(STATUS "")
ENDIF(${GD_PREFIX}VERBOSE)
IF("${${GD_PREFIX}RV}" STREQUAL "0")
#
# Extract eight individual components by matching a regex with paren groupings.
# Use the replace functionality and \\1 thru \\8 to extract components.
#
SET(${GD_PREFIX}REGEX "([^ ]+) +([^/]+)/([^/]+)/([^ ]+) +([^:]+):([^:]+):([^\\.]+)\\.(.*)")
STRING(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\1" ${GD_PREFIX}DAY_OF_WEEK "${${GD_PREFIX}OV}")
STRING(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\2" ${GD_PREFIX}MONTH "${${GD_PREFIX}OV}")
STRING(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\3" ${GD_PREFIX}DAY "${${GD_PREFIX}OV}")
STRING(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\4" ${GD_PREFIX}YEAR "${${GD_PREFIX}OV}")
STRING(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\5" ${GD_PREFIX}HOUR "${${GD_PREFIX}OV}")
STRING(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\6" ${GD_PREFIX}MINUTE "${${GD_PREFIX}OV}")
STRING(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\7" ${GD_PREFIX}SECOND "${${GD_PREFIX}OV}")
STRING(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\8" ${GD_PREFIX}FRACTIONAL_SECOND "${${GD_PREFIX}OV}")
#
# Verify that extracted components don't have anything obviously
# wrong with them... Emit warnings if something looks suspicious...
#
# Expecting a four digit year:
#
IF(NOT "${${GD_PREFIX}YEAR}" MATCHES "^[0-9][0-9][0-9][0-9]$")
MESSAGE(STATUS "WARNING: Extracted ${GD_PREFIX}YEAR='${${GD_PREFIX}YEAR}' is not a four digit number...")
ENDIF(NOT "${${GD_PREFIX}YEAR}" MATCHES "^[0-9][0-9][0-9][0-9]$")
# Expecting month to be <= 12:
#
IF(${${GD_PREFIX}MONTH} GREATER 12)
MESSAGE(STATUS "WARNING: Extracted ${GD_PREFIX}MONTH='${${GD_PREFIX}MONTH}' is greater than 12!")
ENDIF(${${GD_PREFIX}MONTH} GREATER 12)
# Expecting day to be <= 31:
#
IF(${${GD_PREFIX}DAY} GREATER 31)
MESSAGE(STATUS "WARNING: Extracted ${GD_PREFIX}DAY='${${GD_PREFIX}DAY}' is greater than 31!")
ENDIF(${${GD_PREFIX}DAY} GREATER 31)
# Expecting hour to be <= 23:
#
IF(${${GD_PREFIX}HOUR} GREATER 23)
MESSAGE(STATUS "WARNING: Extracted ${GD_PREFIX}HOUR='${${GD_PREFIX}HOUR}' is greater than 23!")
ENDIF(${${GD_PREFIX}HOUR} GREATER 23)
# Expecting minute to be <= 59:
#
IF(${${GD_PREFIX}MINUTE} GREATER 59)
MESSAGE(STATUS "WARNING: Extracted ${GD_PREFIX}MINUTE='${${GD_PREFIX}MINUTE}' is greater than 59!")
ENDIF(${${GD_PREFIX}MINUTE} GREATER 59)
# Expecting second to be <= 59:
#
IF(${${GD_PREFIX}SECOND} GREATER 59)
MESSAGE(STATUS "WARNING: Extracted ${GD_PREFIX}SECOND='${${GD_PREFIX}SECOND}' is greater than 59!")
ENDIF(${${GD_PREFIX}SECOND} GREATER 59)
# If individual components are single digit,
# prepend a leading zero:
#
IF("${${GD_PREFIX}YEAR}" MATCHES "^[0-9]$")
SET(${GD_PREFIX}YEAR "0${${GD_PREFIX}YEAR}")
ENDIF("${${GD_PREFIX}YEAR}" MATCHES "^[0-9]$")
IF("${${GD_PREFIX}MONTH}" MATCHES "^[0-9]$")
SET(${GD_PREFIX}MONTH "0${${GD_PREFIX}MONTH}")
ENDIF("${${GD_PREFIX}MONTH}" MATCHES "^[0-9]$")
IF("${${GD_PREFIX}DAY}" MATCHES "^[0-9]$")
SET(${GD_PREFIX}DAY "0${${GD_PREFIX}DAY}")
ENDIF("${${GD_PREFIX}DAY}" MATCHES "^[0-9]$")
IF("${${GD_PREFIX}HOUR}" MATCHES "^[0-9]$")
SET(${GD_PREFIX}HOUR "0${${GD_PREFIX}HOUR}")
ENDIF("${${GD_PREFIX}HOUR}" MATCHES "^[0-9]$")
IF("${${GD_PREFIX}MINUTE}" MATCHES "^[0-9]$")
SET(${GD_PREFIX}MINUTE "0${${GD_PREFIX}MINUTE}")
ENDIF("${${GD_PREFIX}MINUTE}" MATCHES "^[0-9]$")
IF("${${GD_PREFIX}SECOND}" MATCHES "^[0-9]$")
SET(${GD_PREFIX}SECOND "0${${GD_PREFIX}SECOND}")
ENDIF("${${GD_PREFIX}SECOND}" MATCHES "^[0-9]$")
IF(${GD_PREFIX}VERBOSE)
MESSAGE(STATUS "${GD_PREFIX}REGEX='${${GD_PREFIX}REGEX}'")
MESSAGE(STATUS "${GD_PREFIX}YEAR='${${GD_PREFIX}YEAR}'")
MESSAGE(STATUS "${GD_PREFIX}MONTH='${${GD_PREFIX}MONTH}'")
MESSAGE(STATUS "${GD_PREFIX}DAY='${${GD_PREFIX}DAY}'")
MESSAGE(STATUS "${GD_PREFIX}HOUR='${${GD_PREFIX}HOUR}'")
MESSAGE(STATUS "${GD_PREFIX}MINUTE='${${GD_PREFIX}MINUTE}'")
MESSAGE(STATUS "${GD_PREFIX}SECOND='${${GD_PREFIX}SECOND}'")
MESSAGE(STATUS "${GD_PREFIX}FRACTIONAL_SECOND='${${GD_PREFIX}FRACTIONAL_SECOND}'")
MESSAGE(STATUS "${GD_PREFIX}DAY_OF_WEEK='${${GD_PREFIX}DAY_OF_WEEK}'")
MESSAGE(STATUS "")
MESSAGE(STATUS "Counters that change...")
MESSAGE(STATUS "")
MESSAGE(STATUS "...very very quickly : ${${GD_PREFIX}YEAR}${${GD_PREFIX}MONTH}${${GD_PREFIX}DAY}${${GD_PREFIX}HOUR}${${GD_PREFIX}MINUTE}${${GD_PREFIX}SECOND}${${GD_PREFIX}FRACTIONAL_SECOND}")
MESSAGE(STATUS " every second : ${${GD_PREFIX}YEAR}${${GD_PREFIX}MONTH}${${GD_PREFIX}DAY}${${GD_PREFIX}HOUR}${${GD_PREFIX}MINUTE}${${GD_PREFIX}SECOND}")
MESSAGE(STATUS " daily : ${${GD_PREFIX}YEAR}${${GD_PREFIX}MONTH}${${GD_PREFIX}DAY}")
MESSAGE(STATUS " monthly : ${${GD_PREFIX}YEAR}${${GD_PREFIX}MONTH}")
MESSAGE(STATUS " annually : ${${GD_PREFIX}YEAR}")
MESSAGE(STATUS "")
ENDIF(${GD_PREFIX}VERBOSE)
ELSE("${${GD_PREFIX}RV}" STREQUAL "0")
MESSAGE(SEND_ERROR "ERROR: MACRO(GET_DATE) failed. ${GD_PREFIX}CMD='${${GD_PREFIX}CMD}' ${GD_PREFIX}ARGS='${${GD_PREFIX}ARGS}' ${GD_PREFIX}OV='${${GD_PREFIX}OV}' ${GD_PREFIX}RV='${${GD_PREFIX}RV}'")
ENDIF("${${GD_PREFIX}RV}" STREQUAL "0")
IF(${GD_PREFIX}VERBOSE)
MESSAGE(STATUS "</GET_DATE>")
MESSAGE(STATUS "")
ENDIF(${GD_PREFIX}VERBOSE)
ENDMACRO(GET_DATE)
|
