+# SPDX-FileCopyrightText: 2016 Philippe Proulx <pproulx@efficios.com>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later WITH Autoconf-exception-2.0
+
+#serial 2
+
+# AE_PPRINT_INIT(): initializes the pretty printing system.
+#
+# Use this macro before using any other AE_PPRINT_* macro.
+AC_DEFUN([AE_PPRINT_INIT], [
+ m4_define([AE_PPRINT_CONFIG_TS], [50])
+ m4_define([AE_PPRINT_CONFIG_INDENT], [2])
+ AE_PPRINT_YES_MSG=yes
+ AE_PPRINT_NO_MSG=no
+
+ # find tput, which tells us if colors are supported and gives us color codes
+ AC_PATH_PROG([ae_pprint_tput], [tput])
+
+ AS_IF([test -n "$ae_pprint_tput"], [
+ AS_IF([test -n "$PS1" && test `"$ae_pprint_tput" colors` -eq 256 && test -t 1], [
+ # interactive shell and colors supported and standard output
+ # file descriptor is opened on a terminal
+ AE_PPRINT_COLOR_TXTBLK="`"$ae_pprint_tput" setaf 0`"
+ AE_PPRINT_COLOR_TXTBLU="`"$ae_pprint_tput" setaf 4`"
+ AE_PPRINT_COLOR_TXTGRN="`"$ae_pprint_tput" setaf 2`"
+ AE_PPRINT_COLOR_TXTCYN="`"$ae_pprint_tput" setaf 6`"
+ AE_PPRINT_COLOR_TXTRED="`"$ae_pprint_tput" setaf 1`"
+ AE_PPRINT_COLOR_TXTPUR="`"$ae_pprint_tput" setaf 5`"
+ AE_PPRINT_COLOR_TXTYLW="`"$ae_pprint_tput" setaf 3`"
+ AE_PPRINT_COLOR_TXTWHT="`"$ae_pprint_tput" setaf 7`"
+ AE_PPRINT_COLOR_BLD=`"$ae_pprint_tput" bold`
+ AE_PPRINT_COLOR_BLDBLK="$AE_PPRINT_COLOR_BLD$AE_PPRINT_COLOR_TXTBLK"
+ AE_PPRINT_COLOR_BLDBLU="$AE_PPRINT_COLOR_BLD$AE_PPRINT_COLOR_TXTBLU"
+ AE_PPRINT_COLOR_BLDGRN="$AE_PPRINT_COLOR_BLD$AE_PPRINT_COLOR_TXTGRN"
+ AE_PPRINT_COLOR_BLDCYN="$AE_PPRINT_COLOR_BLD$AE_PPRINT_COLOR_TXTCYN"
+ AE_PPRINT_COLOR_BLDRED="$AE_PPRINT_COLOR_BLD$AE_PPRINT_COLOR_TXTRED"
+ AE_PPRINT_COLOR_BLDPUR="$AE_PPRINT_COLOR_BLD$AE_PPRINT_COLOR_TXTPUR"
+ AE_PPRINT_COLOR_BLDYLW="$AE_PPRINT_COLOR_BLD$AE_PPRINT_COLOR_TXTYLW"
+ AE_PPRINT_COLOR_BLDWHT="$AE_PPRINT_COLOR_BLD$AE_PPRINT_COLOR_TXTWHT"
+ AE_PPRINT_COLOR_RST="`"$ae_pprint_tput" sgr0`"
+
+ # colored yes and no
+ AE_PPRINT_YES_MSG="$AE_PPRINT_COLOR_BLDGRN$AE_PPRINT_YES_MSG$AE_PPRINT_COLOR_RST"
+ AE_PPRINT_NO_MSG="$AE_PPRINT_COLOR_BLDRED$AE_PPRINT_NO_MSG$AE_PPRINT_COLOR_RST"
+
+ # subtitle color
+ AE_PPRINT_COLOR_SUBTITLE="$AE_PPRINT_COLOR_BLDCYN"
+ ])
+ ])
+])
+
+# AE_PPRINT_SET_INDENT(indent): sets the current indentation.
+#
+# Use AE_PPRINT_INIT() before using this macro.
+AC_DEFUN([AE_PPRINT_SET_INDENT], [
+ m4_define([AE_PPRINT_CONFIG_INDENT], [$1])
+])
+
+# AE_PPRINT_SET_TS(ts): sets the current tab stop.
+#
+# Use AE_PPRINT_INIT() before using this macro.
+AC_DEFUN([AE_PPRINT_SET_TS], [
+ m4_define([AE_PPRINT_CONFIG_TS], [$1])
+])
+
+# AE_PPRINT_SUBTITLE(subtitle): pretty prints a subtitle.
+#
+# The subtitle is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# Use AE_PPRINT_INIT() before using this macro.
+AC_DEFUN([AE_PPRINT_SUBTITLE], [
+ AS_ECHO(["${AE_PPRINT_COLOR_SUBTITLE}$1$AE_PPRINT_COLOR_RST"])
+])
+
+AC_DEFUN([_AE_PPRINT_INDENT], [
+ m4_if(AE_PPRINT_CONFIG_INDENT, 0, [
+ ], [
+ m4_for([ae_pprint_i], [0], m4_eval(AE_PPRINT_CONFIG_INDENT * 2 - 1), [1], [
+ AS_ECHO_N([" "])
+ ])
+ ])
+])
+
+# AE_PPRINT_PROP_STRING(title, value, title_color?): pretty prints a
+# string property.
+#
+# The title is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# The $AE_PPRINT_CONFIG_INDENT variable must be set to the desired indentation
+# level.
+#
+# Use AE_PPRINT_INIT() before using this macro.
+AC_DEFUN([AE_PPRINT_PROP_STRING], [
+ m4_pushdef([ae_pprint_title], [$1])
+ m4_pushdef([ae_pprint_value], [$2])
+ m4_pushdef([ae_pprint_title_color], m4_default([$3], []))
+ m4_pushdef([ae_pprint_title_len], m4_len(ae_pprint_title))
+ m4_pushdef([ae_pprint_spaces_cnt], m4_eval(AE_PPRINT_CONFIG_TS - ae_pprint_title_len - (AE_PPRINT_CONFIG_INDENT * 2) - 1))
+
+ m4_if(m4_eval(ae_pprint_spaces_cnt <= 0), [1], [
+ m4_define([ae_pprint_spaces_cnt], [1])
+ ])
+
+ m4_pushdef([ae_pprint_spaces], [])
+
+ m4_for([ae_pprint_i], 0, m4_eval(ae_pprint_spaces_cnt - 1), [1], [
+ m4_append([ae_pprint_spaces], [ ])
+ ])
+
+ _AE_PPRINT_INDENT
+
+ AS_ECHO_N(["ae_pprint_title_color""ae_pprint_title$AE_PPRINT_COLOR_RST:ae_pprint_spaces"])
+ AS_ECHO(["${AE_PPRINT_COLOR_BLD}ae_pprint_value$AE_PPRINT_COLOR_RST"])
+
+ m4_popdef([ae_pprint_spaces])
+ m4_popdef([ae_pprint_spaces_cnt])
+ m4_popdef([ae_pprint_title_len])
+ m4_popdef([ae_pprint_title_color])
+ m4_popdef([ae_pprint_value])
+ m4_popdef([ae_pprint_title])
+])
+
+# AE_PPRINT_PROP_BOOL(title, value, title_color?): pretty prints a boolean
+# property.
+#
+# The title is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# The value is evaluated at shell runtime. Its evaluation must be
+# 0 (false) or 1 (true).
+#
+# Uses the AE_PPRINT_PROP_STRING() with the "yes" or "no" string.
+#
+# Use AE_PPRINT_INIT() before using this macro.
+AC_DEFUN([AE_PPRINT_PROP_BOOL], [
+ m4_pushdef([ae_pprint_title], [$1])
+ m4_pushdef([ae_pprint_value], [$2])
+
+ test ae_pprint_value -eq 0 && ae_pprint_msg="$AE_PPRINT_NO_MSG" || ae_pprint_msg="$AE_PPRINT_YES_MSG"
+
+ m4_if([$#], [3], [
+ AE_PPRINT_PROP_STRING(ae_pprint_title, [$ae_pprint_msg], $3)
+ ], [
+ AE_PPRINT_PROP_STRING(ae_pprint_title, [$ae_pprint_msg])
+ ])
+
+ m4_popdef([ae_pprint_value])
+ m4_popdef([ae_pprint_title])
+])
+
+# AE_PPRINT_PROP_BOOL_CUSTOM(title, value, no_msg, title_color?): pretty prints a boolean
+# property.
+#
+# The title is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# The value is evaluated at shell runtime. Its evaluation must be
+# 0 (false) or 1 (true).
+#
+# Uses the AE_PPRINT_PROP_STRING() with the "yes" or "no" string.
+#
+# Use AE_PPRINT_INIT() before using this macro.
+AC_DEFUN([AE_PPRINT_PROP_BOOL_CUSTOM], [
+ m4_pushdef([ae_pprint_title], [$1])
+ m4_pushdef([ae_pprint_value], [$2])
+ m4_pushdef([ae_pprint_value_no_msg], [$3])
+
+ test ae_pprint_value -eq 0 && ae_pprint_msg="$AE_PPRINT_NO_MSG (ae_pprint_value_no_msg)" || ae_pprint_msg="$AE_PPRINT_YES_MSG"
+
+ m4_if([$#], [4], [
+ AE_PPRINT_PROP_STRING(ae_pprint_title, [$ae_pprint_msg], $4)
+ ], [
+ AE_PPRINT_PROP_STRING(ae_pprint_title, [$ae_pprint_msg])
+ ])
+
+ m4_popdef([ae_pprint_value_no_msg])
+ m4_popdef([ae_pprint_value])
+ m4_popdef([ae_pprint_title])
+])
+
+# AE_PPRINT_WARN(msg): pretty prints a warning message.
+#
+# The message is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# Use AE_PPRINT_INIT() before using this macro.
+AC_DEFUN([AE_PPRINT_WARN], [
+ m4_pushdef([ae_pprint_msg], [$1])
+
+ _AE_PPRINT_INDENT
+ AS_ECHO(["${AE_PPRINT_COLOR_TXTYLW}WARNING:$AE_PPRINT_COLOR_RST ${AE_PPRINT_COLOR_BLDYLW}ae_pprint_msg$AE_PPRINT_COLOR_RST"])
+
+ m4_popdef([ae_pprint_msg])
+])
+
+# AE_PPRINT_ERROR(msg): pretty prints an error message and exits.
+#
+# The message is put as is in a double-quoted shell string so the user
+# needs to escape ".
+#
+# Use AE_PPRINT_INIT() before using this macro.
+AC_DEFUN([AE_PPRINT_ERROR], [
+ m4_pushdef([ae_pprint_msg], [$1])
+
+ AC_MSG_ERROR([${AE_PPRINT_COLOR_BLDRED}ae_pprint_msg$AE_PPRINT_COLOR_RST])
+
+ m4_popdef([ae_pprint_msg])
+])