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229 lines
7.3 KiB
Plaintext
229 lines
7.3 KiB
Plaintext
# Pretty printing macros.
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#
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# Copyright (C) 2019 - Philippe Proulx <pproulx@efficios.com>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License, version 2 only, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# As a special exception to the GNU General Public License, if you distribute
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# this file as part of a program that contains a configuration script
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# generated by Autoconf, you may include it under the same distribution terms
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# that you use for the rest of that program.
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#serial 1
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# PPRINT_INIT(): initializes the pretty printing system.
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#
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# Use this macro before using any other PPRINT_* macro.
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AC_DEFUN([PPRINT_INIT], [
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m4_define([PPRINT_CONFIG_TS], [50])
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m4_define([PPRINT_CONFIG_INDENT], [2])
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PPRINT_YES_MSG=yes
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PPRINT_NO_MSG=no
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# find tput, which tells us if colors are supported and gives us color codes
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AC_PATH_PROG([pprint_tput], [tput])
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AS_IF([test -n "$pprint_tput"], [
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AS_IF([test -n "$PS1" && test `"$pprint_tput" colors` -ge 8 && test -t 1], [
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# interactive shell and colors supported and standard output
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# file descriptor is opened on a terminal
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PPRINT_COLOR_TXTBLK="`"$pprint_tput" setaf 0`"
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PPRINT_COLOR_TXTBLU="`"$pprint_tput" setaf 4`"
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PPRINT_COLOR_TXTGRN="`"$pprint_tput" setaf 2`"
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PPRINT_COLOR_TXTCYN="`"$pprint_tput" setaf 6`"
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PPRINT_COLOR_TXTRED="`"$pprint_tput" setaf 1`"
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PPRINT_COLOR_TXTPUR="`"$pprint_tput" setaf 5`"
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PPRINT_COLOR_TXTYLW="`"$pprint_tput" setaf 3`"
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PPRINT_COLOR_TXTWHT="`"$pprint_tput" setaf 7`"
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PPRINT_COLOR_BLD=`"$pprint_tput" bold`
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PPRINT_COLOR_BLDBLK="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTBLK"
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PPRINT_COLOR_BLDBLU="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTBLU"
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PPRINT_COLOR_BLDGRN="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTGRN"
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PPRINT_COLOR_BLDCYN="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTCYN"
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PPRINT_COLOR_BLDRED="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTRED"
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PPRINT_COLOR_BLDPUR="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTPUR"
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PPRINT_COLOR_BLDYLW="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTYLW"
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PPRINT_COLOR_BLDWHT="$PPRINT_COLOR_BLD$PPRINT_COLOR_TXTWHT"
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PPRINT_COLOR_RST="`"$pprint_tput" sgr0`"
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# colored yes and no
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PPRINT_YES_MSG="$PPRINT_COLOR_BLDGRN$PPRINT_YES_MSG$PPRINT_COLOR_RST"
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PPRINT_NO_MSG="$PPRINT_COLOR_BLDRED$PPRINT_NO_MSG$PPRINT_COLOR_RST"
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# subtitle color
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PPRINT_COLOR_SUBTITLE="$PPRINT_COLOR_BLDCYN"
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])
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])
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])
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# PPRINT_SET_INDENT(indent): sets the current indentation.
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#
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# Use PPRINT_INIT() before using this macro.
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AC_DEFUN([PPRINT_SET_INDENT], [
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m4_define([PPRINT_CONFIG_INDENT], [$1])
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])
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# PPRINT_SET_TS(ts): sets the current tab stop.
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#
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# Use PPRINT_INIT() before using this macro.
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AC_DEFUN([PPRINT_SET_TS], [
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m4_define([PPRINT_CONFIG_TS], [$1])
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])
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# PPRINT_SUBTITLE(subtitle): pretty prints a subtitle.
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#
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# The subtitle is put as is in a double-quoted shell string so the user
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# needs to escape ".
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#
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# Use PPRINT_INIT() before using this macro.
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AC_DEFUN([PPRINT_SUBTITLE], [
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AS_ECHO(["${PPRINT_COLOR_SUBTITLE}$1$PPRINT_COLOR_RST"])
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])
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AC_DEFUN([_PPRINT_INDENT], [
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m4_if(PPRINT_CONFIG_INDENT, 0, [
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], [
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m4_for([pprint_i], [0], m4_eval(PPRINT_CONFIG_INDENT * 2 - 1), [1], [
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AS_ECHO_N([" "])
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])
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])
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])
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# PPRINT_PROP_STRING(title, value, title_color?): pretty prints a
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# string property.
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#
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# The title is put as is in a double-quoted shell string so the user
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# needs to escape ".
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#
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# The $PPRINT_CONFIG_INDENT variable must be set to the desired indentation
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# level.
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#
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# Use PPRINT_INIT() before using this macro.
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AC_DEFUN([PPRINT_PROP_STRING], [
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m4_pushdef([pprint_title], [$1])
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m4_pushdef([pprint_value], [$2])
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m4_pushdef([pprint_title_color], m4_default([$3], []))
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m4_pushdef([pprint_title_len], m4_len(pprint_title))
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m4_pushdef([pprint_spaces_cnt], m4_eval(PPRINT_CONFIG_TS - pprint_title_len - (PPRINT_CONFIG_INDENT * 2) - 1))
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m4_if(m4_eval(pprint_spaces_cnt <= 0), [1], [
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m4_define([pprint_spaces_cnt], [1])
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])
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m4_pushdef([pprint_spaces], [])
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m4_for([pprint_i], 0, m4_eval(pprint_spaces_cnt - 1), [1], [
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m4_append([pprint_spaces], [ ])
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])
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_PPRINT_INDENT
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AS_ECHO_N(["pprint_title_color""pprint_title$PPRINT_COLOR_RST:pprint_spaces"])
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AS_ECHO(["${PPRINT_COLOR_BLD}pprint_value$PPRINT_COLOR_RST"])
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m4_popdef([pprint_spaces])
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m4_popdef([pprint_spaces_cnt])
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m4_popdef([pprint_title_len])
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m4_popdef([pprint_title_color])
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m4_popdef([pprint_value])
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m4_popdef([pprint_title])
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])
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# PPRINT_PROP_BOOL(title, value, title_color?): pretty prints a boolean
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# property.
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#
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# The title is put as is in a double-quoted shell string so the user
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# needs to escape ".
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#
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# The value is evaluated at shell runtime. Its evaluation must be
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# 0 (false) or 1 (true).
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#
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# Uses the PPRINT_PROP_STRING() with the "yes" or "no" string.
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#
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# Use PPRINT_INIT() before using this macro.
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AC_DEFUN([PPRINT_PROP_BOOL], [
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m4_pushdef([pprint_title], [$1])
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m4_pushdef([pprint_value], [$2])
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test pprint_value -eq 0 && pprint_msg="$PPRINT_NO_MSG" || pprint_msg="$PPRINT_YES_MSG"
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m4_if([$#], [3], [
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PPRINT_PROP_STRING(pprint_title, [$pprint_msg], $3)
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], [
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PPRINT_PROP_STRING(pprint_title, [$pprint_msg])
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])
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m4_popdef([pprint_value])
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m4_popdef([pprint_title])
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])
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# PPRINT_PROP_BOOL_CUSTOM(title, value, no_msg, title_color?): pretty prints a boolean
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# property.
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#
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# The title is put as is in a double-quoted shell string so the user
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# needs to escape ".
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#
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# The value is evaluated at shell runtime. Its evaluation must be
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# 0 (false) or 1 (true).
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#
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# Uses the PPRINT_PROP_STRING() with the "yes" or "no" string.
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#
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# Use PPRINT_INIT() before using this macro.
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AC_DEFUN([PPRINT_PROP_BOOL_CUSTOM], [
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m4_pushdef([pprint_title], [$1])
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m4_pushdef([pprint_value], [$2])
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m4_pushdef([pprint_value_no_msg], [$3])
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test pprint_value -eq 0 && pprint_msg="$PPRINT_NO_MSG (pprint_value_no_msg)" || pprint_msg="$PPRINT_YES_MSG"
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m4_if([$#], [4], [
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PPRINT_PROP_STRING(pprint_title, [$pprint_msg], $4)
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], [
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PPRINT_PROP_STRING(pprint_title, [$pprint_msg])
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])
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m4_popdef([pprint_value_no_msg])
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m4_popdef([pprint_value])
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m4_popdef([pprint_title])
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])
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# PPRINT_WARN(msg): pretty prints a warning message.
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#
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# The message is put as is in a double-quoted shell string so the user
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# needs to escape ".
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#
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# Use PPRINT_INIT() before using this macro.
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AC_DEFUN([PPRINT_WARN], [
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m4_pushdef([pprint_msg], [$1])
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_PPRINT_INDENT
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AS_ECHO(["${PPRINT_COLOR_TXTYLW}WARNING:$PPRINT_COLOR_RST ${PPRINT_COLOR_BLDYLW}pprint_msg$PPRINT_COLOR_RST"])
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m4_popdef([pprint_msg])
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])
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# PPRINT_ERROR(msg): pretty prints an error message and exits.
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#
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# The message is put as is in a double-quoted shell string so the user
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# needs to escape ".
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#
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# Use PPRINT_INIT() before using this macro.
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AC_DEFUN([PPRINT_ERROR], [
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m4_pushdef([pprint_msg], [$1])
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AC_MSG_ERROR([${PPRINT_COLOR_BLDRED}pprint_msg$PPRINT_COLOR_RST])
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m4_popdef([pprint_msg])
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])
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