vnmik.message.utils

# $Id$

# This file is part of VnMiK 4.0.0 <http://vnmik.sf.net/>

##############################################################################
# color utils
##############################################################################

# set text color : $1 = color number
set_color()
{
	if [ -z "$1" ]; then
		echo -en \\0033\[1\;30m
	else
		if [ "$1" == "0" ]; then
			echo -en \\0033\[1\;30m
		else
			echo -en \\0033\[1\;$1m
		fi
	fi
}

# list of all colors
test_color()
{
	# list all color (from 1 to 80)
	n=6
	set_color 0
	while [ $n -le 80 ]; do
		echo -en \\0033\[1\;"$n"m
		echo $n: xxxxxx
		n=$((n+1))
	done
	set_color 0
}

##############################################################################
# messge utils
##############################################################################

# change stat_* prefix. Useful for package installation
# $1: prefix; empty means ' '
stat_prefix()
{
	if [ "x$1" == "x" ]; then
		export STAT_PREFIX='> '
	else
		export STAT_PREFIX="$1"
	fi
}

# RAW write something to log file
stat_log() 
{
	echo "$@" >> $LOGFILE 2>/dev/null
	return 0
}

# append a file to LOG file
stat_log_file()
{
	if [ "x$1" == "x" ]; then
		stat_log "($FUNCNAME) missing parameter"
		return 1
	fi
	if [ ! -f "$1" ]; then
		stat_log "($FUNCAME) file unreadable: $1"
	fi
	stat_log "file content: $1 <<\EOF"
	cat "$1" >> $LOGFILE 2>/dev/null
	stat_log "EOF"
}

# write time/date information to log file
stat_date()
{
	stat_log
	stat_log "=== `date` ==="
	stat_log
}

# notify that something has done
stat_done()
{
	echo "0$STAT_PREFIX$@"
	stat_log "0$STAT_PREFIX$@"
	return 0
}

# expose the warning ( stdout and $LOGFILE )
stat_warn()
{
	set_color 35
	echo "1$STAT_PREFIX$@"
	stat_log "1$STAT_PREFIX$@"
	set_color 0
	return 2
}

# program failed as some critical errors ( stdout and $LOGFILE )
# require `cleanup' (see below)
stat_fail()
{
	local EXIT_IF_FAIL=0
	local CLEANUP=0
	while [ "x${1:0:2}" == "x--" ]; do
		case "$1" in
			"--no-clean") CLEANUP=0;;
			"--exit") EXIT_IF_FAIL=1;;
			*) continue;;
		esac
		shift
	done
	set_color 32
	echo "2$STAT_PREFIX$@"
	stat_log "2$STAT_PREFIX$@"
	set_color 0
	[ $CLEANUP -eq 1 ] && cleanup
	if [ $EXIT_IF_FAIL -eq 1 ]; then
		pause
		exit 1
	else
		return 1
	fi
}

# print what we are going to do
stat_msg()
{
	set_color 34
	echo "0$STAT_PREFIX$@"
	stat_log "0$STAT_PREFIX$@"
	set_color 0
}

# notify that something has done
stat_msh()
{
	echo "0$STAT_PREFIX$@"
	stat_log "0$STAT_PREFIX$@"
	return 0
}

msg()
{
	echo -e $@
}

# initialize something
# ok. let's intialize something
[ -d $LOGDIR ] || mkdir -p $LOGDIR
stat_prefix
stat_log
stat_log "=== BEGIN NEW SESSION `date` ==="
stat_log
stat_log "library loaded: vnmik.message.utils"