# Super Grub Disk - tools.cfg
# Copyright (C) 2009,2010,2011,2012,2013,2014,2015  Adrian Gibanel Lopez.
#
# Super Grub Disk is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Super Grub Disk 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 Super Grub Disk.  If not, see <http://www.gnu.org/licenses/>.

# This script contains several helper functions used in other cfg files .



function strcontains {
	set str="$1"
	set pattern="$2"
	if regexp ".*${pattern}.*" "$str"; then
		return 0;
	else
		return 1;
	fi
}

# Function: searchindevice
# According to global variables
# Return 0 (true) if the device should be searched for OS / cfgs / etc.
# Return 1 (false) if it should not be searched
#
# Device should be entered without ()
# Input example: fd0
#
# TODO: To be simplified when test function is fixed in upstream GRUB2
function searchindevice {

    set device="$1"

    if strcontains "$device" "fd" ; then
      fdcontains="yes"
    else
      fdcontains="no"
    fi

    if strcontains "$device" "cd" ; then
      cdcontains="yes"
    else
      cdcontains="no"
    fi

    if strcontains "$device" "$sg2d_dev_name" ; then
      sgdcontains="yes"
    else
      sgdcontains="no"
    fi

    if [ '(' "$fdcontains" != "yes" -a "$cdcontains" != "yes" -a "$sgdcontains" != "yes" ')' \
    -o \
    '(' "$fdcontains" = "yes"  -a  "$fd0search" = "on" ')' \
    -o \
    '(' "$cdcontains" = "yes"  -a  "$cdsearch" = "on" ')' ] \
    -o \
    '(' "$sgdcontains" = "yes"  -a  "$sgdsearch" = "on" ')' \
    ; then
      return 0;
    else
      return 1;
    fi

}