# this function wraps text used in the PKG_DESC file and pads it
# with extra lines when needed.
text_wrapper() {
# The first two lines of the PKG_DESC and the last one are reserved
# so we only format 8 lines of text. Lines 12 and 13 can still be used
# to add dependencies info....
# DESC_WRAP_LENGTH=70
# DESC_MAX_LINES=8
OUTPUT_LINE_COUNT=0
OUTPUT=""
# collect all the input text into one long line
while read LINE ; do
	STRING="$LINE"
	# replace newlines with a space
	STRING=${STRING/'\n'/ /}
	# add the new text to the OUTPUT with a space between
	# if there are double spaces they get removed below.
	OUTPUT="$OUTPUT $STRING"
	shift
done
PARSESTRING="$OUTPUT"
while [[ $PARSESTRING != "" ]] ; do
	(( OUTPUT_LINE_COUNT++ ))
	# read the number of chars matching the wrap length
	CHUNK=${PARSESTRING:0:${DESC_WRAP_LENGTH}}
	# skip over everything but the last character of the CHUNK
	OFFSET_LENGTH=$(( $DESC_WRAP_LENGTH -1 ))
	# if the last character is a space or not null shorten the input line to the previous word
	if [[ "${CHUNK:$OFFSET_LENGTH:1}" = " " ]] || [[ "${CHUNK:$OFFSET_LENGTH:1}" != "" ]] ; then
		# keep everything before the last space
		CHUNK=${CHUNK%$" "*}
	fi
	# get the length of the finished chunk
	CHUNK_LENGTH=${#CHUNK}
	# advance the pointer the length of the chunk that we saved
	PARSESTRING=${PARSESTRING:$CHUNK_LENGTH}
	echo $NAME:"$CHUNK" >> $PKG_DIR/install/$PKG_DESC
	# exit if we have reached the maximum number of lines
	if [[ $OUTPUT_LINE_COUNT -gt $DESC_MAX_LINES ]] ; then
		break
	else
		CHUNK=""
	fi
done
# pad the PKG_DESC file to 11 lines if the above didn't reach that number
while [[ $OUTPUT_LINE_COUNT -lt $DESC_MAX_LINES ]] ; do
	echo "$NAME:" >> $PKG_DIR/install/$PKG_DESC
	(( OUTPUT_LINE_COUNT++ ))
done
}

wrap_deps() {
OUTPUT_LINE_COUNT=0
OUTPUT=""
while read LINE ; do
	STRING="$LINE"
	STRING=${STRING/'\n'//}
	OUTPUT="$OUTPUT $STRING"
	shift
done
PARSESTRING="$OUTPUT"
while [[ $PARSESTRING != "" ]] ; do
	(( OUTPUT_LINE_COUNT++ ))
	CHUNK=${PARSESTRING:0:${DESC_WRAP_LENGTH}}
	OFFSET_LENGTH=$(( $DESC_WRAP_LENGTH -1 ))
	if [[ "${CHUNK:$OFFSET_LENGTH:1}" = " " ]] || [[ "${CHUNK:$OFFSET_LENGTH:1}" != "" ]] ; then
		CHUNK=${CHUNK%$" "*}
		#CHUNK=${CHUNK#*" "}
	fi
	CHUNK_LENGTH=${#CHUNK}
	PARSESTRING=${PARSESTRING:$CHUNK_LENGTH}
	# strip leading spaces from the chunk
	while [[ ${CHUNK:0:1} = " " ]] ; do
	 CHUNK=${CHUNK#*" "}
	done
	echo $NAME:" $CHUNK" >> $PKG_DIR/install/$PKG_DESC
	if [[ $OUTPUT_LINE_COUNT -gt 2 ]] ; then
		break
	else
		CHUNK=""
	fi
done
}

make_database() {
COMPRESSED=$(gzip -l $PACKAGE | grep -v uncompressed_name | white_out | cut -f 1 -d ' ')
COMPRESSED="$(expr $COMPRESSED / 1024) K"
UNCOMPRESSED=$(gzip -l $PACKAGE | grep -v uncompressed_name | white_out | cut -f 2 -d ' ')
UNCOMPRESSED="$(expr $UNCOMPRESSED / 1024) K"
echo "PACKAGE NAME:     $NAME-$VERSION" > $DATABASE_FILE
echo "COMPRESSED PACKAGE SIZE:     $COMPRESSED" >> $DATABASE_FILE
echo "UNCOMPRESSED PACKAGE SIZE:     $UNCOMPRESSED" >> $DATABASE_FILE
echo "PACKAGE LOCATION: $PKG_NAME" >> $DATABASE_FILE
echo "PACKAGE DESCRIPTION:" >> $DATABASE_FILE
cat $PKG_DIR/install/$PKG_DESC | grep -v '#'  >> $DATABASE_FILE
echo "FILE LIST:" >> $DATABASE_FILE
${TAR_STATIC} -tzf $PACKAGE >> $DATABASE_FILE
}

read_rpm_desc() {
LINE_COUNT=0
FIRST_LINE=0
LAST_LINE=0
while read LINE ; do
	(( LINE_COUNT++ )) 
	CHUNK=${LINE/\*/-}	
	if [[ $FIRST_LINE -ne 0 ]] && [[ $LINE_COUNT -eq $FIRST_LINE ]] ; then
		echo $CHUNK
	elif [[ ${CHUNK:0:12} = "%description" ]] && [[ $FIRST_LINE -eq 0 ]] ; then
		FIRST_LINE=$(( $LINE_COUNT + 1 ))
	elif [[ ${CHUNK:0:1} = "%" ]] || [[ ${CHUNK:0:15} = "%description -l" ]] && [[ $FIRST_LINE -ne 0 ]] ; then
		LAST_LINE=$(( $LINE_COUNT -1 ))
		break
	elif [[ $FIRST_LINE -ne 0 ]] && [[ $LAST_LINE -eq 0 ]] ; then
		if [[ "$CHUNK" != "" ]] ; then
			echo $CHUNK
		fi
	fi
done
}

read_deb_desc() {
LINE_COUNT=0
FIRST_LINE=0
LAST_LINE=0
while read LINE ; do
	(( LINE_COUNT++ )) 
	CHUNK=${LINE/\*/-}	
	if [[ $FIRST_LINE -ne 0 ]] && [[ $LINE_COUNT -eq $FIRST_LINE ]] ; then
		echo $CHUNK
	elif [[ ${CHUNK:0:12} = "Description:" ]] && [[ $FIRST_LINE -eq 0 ]] ; then
		FIRST_LINE=$(( $LINE_COUNT + 1 ))
	elif [[ $CHUNK = "" ]] && [[ $FIRST_LINE -ne 0 ]] ; then
		LAST_LINE=$(( $LINE_COUNT -1 ))
		break
	elif [[ $FIRST_LINE -ne 0 ]] && [[ $LAST_LINE -eq 0 ]] ; then
		if [[ "$CHUNK" != "" ]] ; then
			echo $CHUNK
		fi
	fi
done
}

read_pkg-info_desc() {
LINE_COUNT=0
FIRST_LINE=0
LAST_LINE=0
while read LINE ; do
	(( LINE_COUNT++ )) 
	CHUNK=${LINE/\*/-}	
	if [[ ${CHUNK:0:12} = "Description:" ]] && [[ $FIRST_LINE -eq 0 ]] ; then
		echo ${CHUNK:12}
		FIRST_LINE=$(( $LINE_COUNT + 1 ))
	elif [[ $CHUNK = "" ]] && [[ $FIRST_LINE -ne 0 ]] ; then
		LAST_LINE=$(( $LINE_COUNT -1 ))
		break
	elif [[ $FIRST_LINE -ne 0 ]] && [[ $LAST_LINE -eq 0 ]] ; then
		if [[ "$CHUNK" != "" ]] ; then
			echo $CHUNK
		fi
	fi
done
}