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# BasicMacros: Macros which are needed by other modules.
#
# To use: INCLUDE(BasicMacros)
#
#===================================================================
# Macros:
# STRING_TRIM(var str)
# var: A variable that stores the result.
# str: A string.
#
# Trim a string. This macro is needed as CMake 2.4 does not support STRING(STRIP ..)
#-------------------------------------------------------------------
# COMMAND_OUTPUT_TO_VARIABLE(var cmd):
# var: A variable that stores the result.
# cmd: A command.
#
# Store command output to a variable, without new line characters (\n and \r).
# This macro is suitable for command that output one line result.
# Note that the var will be set to ${var_name}-NOVALUE if cmd does not have
# any output.
#
#-------------------------------------------------------------------
# SETTING_FILE_GET_ATTRIBUTE(var attr_name setting_file [setting_sign]):
# var: Variable to store the attribute value.
# attr_name: Name of the attribute.
# setting_file: Setting filename.
# setting_sign: (Optional) The symbol that separate attribute name and its value.
# Default value: "="
#
# Get attribute value from a setting file.
# New line characters will be stripped.
#
#-------------------------------------------------------------------
# DATE_FORMAT(date_var format [locale])
# date_var: Result date string
# format: date format for date(1)
# locale: locale of the string.
# Use current locale setting if locale is not given.
#
# Get date in specified format and locale.
#
IF(NOT DEFINED _BASIC_MACROS_CMAKE_)
SET(_BASIC_MACROS_CMAKE_ "DEFINED")
IF(NOT DEFINED READ_TXT_CMD)
SET(READ_TXT_CMD cat)
ENDIF(NOT DEFINED READ_TXT_CMD)
MACRO(STRING_TRIM var str)
SET(_var_1 "\r${str}\r")
STRING(REPLACE "\r[ \t]*" "" _var_2 "${_var_1}" )
STRING(REGEX REPLACE "[ \t\r\n]*\r" "" ${var} "${_var_2}" )
ENDMACRO(STRING_TRIM var str)
MACRO(COMMAND_OUTPUT_TO_VARIABLE var cmd)
EXECUTE_PROCESS(
COMMAND ${cmd} ${ARGN}
OUTPUT_VARIABLE _cmd_output
)
IF(_cmd_output)
STRING_TRIM(${var} ${_cmd_output})
ELSE(_cmd_output)
SET(var "${var}-NOVALUE")
ENDIF(_cmd_output)
# MESSAGE("var=${var} _cmd_output=${_cmd_output}")
ENDMACRO(COMMAND_OUTPUT_TO_VARIABLE var cmd)
MACRO(SETTING_FILE_GET_ATTRIBUTE var attr_name setting_file)
IF (${ARGV3})
SET(setting_sign ${ARGV3})
ELSE(${ARGV3})
SET(setting_sign "=")
ENDIF(${ARGV3})
SET(_find_pattern "${attr_name}[ \\t]*${setting_sign}.*")
SET(_ignore_pattern "[ \\t]*${attr_name}[ \\t]*${setting_sign}")
FILE(STRINGS ${setting_file} _txt_content)
FOREACH(_line ${_txt_content})
STRING(REGEX MATCH "${_find_pattern}" _matched_line "${_line}")
IF (_matched_line)
# MESSAGE("### _matched_line=${_matched_line}")
STRING(REGEX REPLACE "${_ignore_pattern}" "" _result_line "${_matched_line}")
BREAK()
ENDIF(_matched_line)
ENDFOREACH(_line)
# MESSAGE("### _result_line=${_result_line}|")
IF(_result_line)
STRING_TRIM(${var} "${_result_line}")
ELSE(_result_line)
SET(${var} "")
ENDIF(_result_line)
# MESSAGE("### var=${var}|")
ENDMACRO(SETTING_FILE_GET_ATTRIBUTE var attr_name setting_file)
MACRO(DATE_FORMAT date_var format)
SET(_locale ${ARGV2})
IF(_locale)
SET(ENV{LC_ALL} ${_locale})
ENDIF(_locale)
COMMAND_OUTPUT_TO_VARIABLE(${date_var} date "${format}")
ENDMACRO(DATE_FORMAT date_var format)
ENDIF(NOT DEFINED _BASIC_MACROS_CMAKE_)
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