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dnl
dnl Macro to output bold and colored text.
dnl
dnl COLORED_ECHO_INIT
dnl This macro must be called first to initialize a context.
AC_DEFUN([COLORED_ECHO_INIT],
[
dnl Prepare fancy console output, taken from GNU shtools.
colored_echo_bold=''
colored_echo_norm=''
AC_PROG_AWK
if test x"$AWK" = x"not found"; then
return
fi
case $TERM in
xterm|xterm*|vt220|vt220*)
dnl For the most important terminal types we directly know the
dnl sequences.
colored_echo_bold=`$AWK 'BEGIN { printf("%c%c%c%c", 27, 91, 49, 109); }' </dev/null 2>/dev/null`
colored_echo_norm=`$AWK 'BEGIN { printf("%c%c%c", 27, 91, 109); }' </dev/null 2>/dev/null`
;;
vt100|vt100*|cygwin)
colored_echo_bold=`$AWK 'BEGIN { printf("%c%c%c%c%c%c", 27, 91, 49, 109, 0, 0); }' </dev/null 2>/dev/null`
colored_echo_norm=`$AWK 'BEGIN { printf("%c%c%c%c%c", 27, 91, 109, 0, 0); }' </dev/null 2>/dev/null`
;;
*)
dnl For all others, we try to use a possibly existing `tput' or
dnl `tcout' utility.
paths=`$ECHO $PATH | sed -e 's/:/ /g'`
for tool in tput tcout; do
for dir in $paths; do
if test -r "$dir/$tool" ; then
for seq in bold md smso; do
bold="`$dir/$tool $seq 2>/dev/null`"
if test ".$bold" != . ; then
colored_echo_bold="$bold"
break
fi
done
if test ".$colored_echo_bold" != . ; then
for seq in sgr0 me rmso init reset; do
norm="`$dir/$tool $seq 2>/dev/null`"
if test ".$norm" != . ; then
colored_echo_norm="$norm"
break
fi
done
fi
break
fi
done
if test x"$colored_echo_bold" != "x" -a x"$colored_echo_norm" != "x"; then
break;
fi
done
;;
esac
])
dnl COLORED_ECHO(TEXT)
dnl Output text with:
dnl o everything between %B and %b displayed bold.
AC_DEFUN([COLORED_ECHO],
[
text=`$ECHO $seo "$1" | sed -e "s/%B/${colored_echo_bold}/g" -e "s/%b/${colored_echo_norm}/g" 2>/dev/null`
$ECHO $seo "$text"
text=`$ECHO $sec "$1" | sed -e "s/%B//g" -e "s/%b//g" 2>/dev/null`
_AS_ECHO_LOG($text)
])
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