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