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# vyatta bash completion common functions 

# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 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.
#
# A copy of the GNU General Public License is available as
# `/usr/share/common-licenses/GPL' in the Debian GNU/Linux distribution
# or on the World Wide Web at `http://www.gnu.org/copyleft/gpl.html'.
# You can also obtain it by writing to the Free Software Foundation,
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.
# 
# Author: Vyatta
# Description: bash completion common functions
# 
# **** End License ****

get_prefix_filtered_list ()
{
  # $1: prefix
  # $2: \@list
  # $3: \@filtered
  declare -a olist
  local pfx=$1
  pfx=${pfx#\"}
  eval "olist=( \"\${$2[@]}\" )"
  local idx=0
  for elem in "${olist[@]}"; do
    local sub=${elem#$pfx}
    if [[ "$elem" == "$sub" ]] && [[ -n "$pfx" ]]; then
      continue
    fi
    eval "$3[$idx]=\"$elem\""
    (( idx++ ))
  done
}

get_prefix_filtered_list2 ()
{
  # $1: prefix
  # $2: \@list
  # $3: \@filtered
  # $4: \@list2
  # $5: \@filtered2
  declare -a olist
  local pfx=$1
  pfx=${pfx#\"}
  eval "olist=( \"\${$2[@]}\" )"
  eval "local orig_len=\${#$2[@]}"
  local orig_idx=0
  local idx=0
  for (( orig_idx = 0; orig_idx < orig_len; orig_idx++ )); do
    eval "local elem=\${$2[$orig_idx]}"
    eval "local elem2=\${$4[$orig_idx]}"
    local sub=${elem#$pfx}
    if [[ "$elem" == "$sub" ]] && [[ -n "$pfx" ]]; then
      continue
    fi
    eval "$3[$idx]=\"$elem\""
    eval "$5[$idx]=\"$elem2\""
    (( idx++ ))
  done
}

is_elem_of () {
  local elem=$1
  local -a olist
  eval "olist=( \"\${$2[@]}\" )"
  for e in ${olist[*]}; do
    if [[ "$e" == "$elem" ]]; then
      return 0
    fi
  done
  return 1
}