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#autoload

# short_bool=(h v d b s y f u m)
# short_intlevel=(q)
# short_configfile=(c)
# short_arbitem=(o)
# 
# long_bool=(help version download-only compile build simulate just-print recon
#   no-act yes assume-yes fix-broken show-upgraded ignore-missing no-download
#   fix-missing ignore-hold no-upgrade force-yes print-uris)
# long_intlevel=(quiet silent)
# long_configfile=(config-file)
# long_arbitem=(option)

###

local funcname
funcname="$1"
shift

local short_seq false true bool bool_ __bool_ intlevel word word1 nul
local comp_bool comp_intlevel comp_configfile comp_arbitem comp_long
local regex_short regex_long regex_message regex_action

regex_action=("$@")

short_seq="(${(j:|:)short_bool}|${(j:|:)short_intlevel})#"

false=(no false without off disable)
true=(yes true with on enable)
bool=($false $true)

bool_=(${^bool}-)
__bool_=(--$^bool_)

intlevel='[0-9]##'

word=$'[^\0]#\0'
word1=$'[^\0]##\0'

nul=$'\0'

comp_bool='compadd "$expl_bool[@]" '"$bool"
comp_intlevel= #"_message 'intlevel'"
comp_configfile='_files "$expl_configfile[@]"'
comp_arbitem= #"_message 'Foo::Bar=bar'"

comp_long="\
tmp1=\${(kj:|:)long_to_option[(R)\${(kj:|:)~options[(R)*~0]}]}
tmp2=(--\${(M)^long_bool:#\$~tmp1} --\${(M)^long_intlevel:#\$~tmp1})
compadd \"\$expl_opt[@]\" - \$tmp2
tmp2=(--\${(M)^long_configfile:#\$~tmp1} --\${(M)^long_arbitem:#\$~tmp1})
compadd \"\$expl_opt[@]\" -S= - \$tmp2
compadd \"\$expl_opt[@]\" -S '' - $__bool_"

regex_short=(
  %-
  \(
    /"$short_seq(${(j:|:)short_bool})($nul(${(j:|:)bool})|(${(j:|:)bool})|)$nul"
      -"apt_consume_short \${_ra_match%%($nul(${(j:|:)bool})|(${(j:|:)bool})|)$nul}" \|
    /"$short_seq(${(j:|:)short_bool})="
      -"apt_consume_short \${_ra_match%=}"
      \( /"$word1" !"$comp_bool" \| /"$nul" /"$word" !"$comp_bool" \) \|
    /"$short_seq(${(j:|:)short_intlevel})($nul$intlevel|$intlevel|)$nul"
      -"apt_consume_short \${_ra_match%%($nul$intlevel|$intlevel|)$nul}" \|
    /"$short_seq(${(j:|:)short_intlevel})="
      -"apt_consume_short \${_ra_match%=}"
      \( /"$word1" !"$comp_intlevel" \| /"$nul" /"$word" !"$comp_intlevel" \) \|
    /"$short_seq(${(j:|:)short_configfile})(=|)"
      -"apt_consume_short \${_ra_match%=}"
      \( /"$word1" !"$comp_configfile" \| /"$nul" /"$word" !"$comp_configfile" \) \|
    /"$short_seq(${(j:|:)short_arbitem})(=|)"
      -"apt_consume_short \${_ra_match%=}"
      \( /"$word1" !"$comp_arbitem" \| /"$nul" /"$word" !"$comp_arbitem" \) \|
    /"[]" !"{
	      if [[ \$PREFIX = -$short_seq ]]; then
		apt_consume_short \${PREFIX[2,-1]}
		tmp1=(\${(k)short_to_option[(R)\${(kj:|:)~options[(R)*~0]}]})
		tmp2=(-\${^tmp1})
		compadd \"\$expl_opt[@]\" -y \"(\$tmp2)\" - \${PREFIX}\${^tmp1}
	      fi
	      $comp_long
	    }"
  \)
)

regex_long=(
  %--
  \(
    /"(${(j:|:)long_bool})="
      -"apt_consume_long \${_ra_match%=}"
      \( /"$word1" !"$comp_bool" \| /"$nul" /"$word" !"$comp_bool" \) \|
    /"(${(j:|:)long_bool})$nul"
      -"apt_consume_long \${_ra_match%$nul}"
      /"((${(j:|:)bool})$nul|)" !"$comp_bool" \|
    /"(${(j:|:)long_intlevel})="
      -"apt_consume_long \${_ra_match%=}"
      \( /"$word1" !"$comp_intlevel" \| /"$nul" /"$word" !"$comp_intlevel" \) \|
    /"(${(j:|:)long_intlevel})$nul"
      -"apt_consume_long \${_ra_match%$nul}"
      /"($intlevel$nul|)" !"$comp_intlevel" \|
    /"(${(j:|:)long_configfile})$nul"
      -"apt_consume_long \${_ra_match%$nul}"
      /"$word" !"$comp_configfile" \|
    /"(${(j:|:)long_configfile})="
      -"apt_consume_long \${_ra_match%=}"
      \( /"$word1" !"$comp_configfile" \| /"$nul" /"$word" !"$comp_configfile" \) \|
    /"(${(j:|:)long_arbitem})$nul"
      -"apt_consume_long \${_ra_match%$nul}"
      /"$word" !"$comp_arbitem" \|
    /"(${(j:|:)long_arbitem})="
      -"apt_consume_long \${_ra_match%=}"
      \( /"$word1" !"$comp_arbitem" \| /"$nul" /"$word" !"$comp_arbitem" \) \|
    %"(${(j:|:)bool})-"
    \(
      /"(${(j:|:)long_bool})="
	-"apt_consume_long \${_ra_match%=}"
        \( /"$word1" !"$comp_bool" \| /"$nul" /"$word" !"$comp_bool" \) \|
      /"(${(j:|:)long_bool})$nul"
	-"apt_consume_long \${_ra_match%$nul}"
        /"((${(j:|:)bool})$nul|)" !"$comp_bool" \|
      /"(${(j:|:)long_intlevel})$nul"
	-"apt_consume_long \${_ra_match%$nul}"
        /"$intlevel" !"$comp_intlevel" /"$nul" \|
      /"(${(j:|:)long_intlevel})="
	-"apt_consume_long \${_ra_match%=}"
        \( /"$word1" !"$comp_intlevel" \| /"$nul" /"$word" !"$comp_intlevel" \) \|
      /"(${(j:|:)long_intlevel})$nul"
	-"apt_consume_long \${_ra_match%$nul}"
        /"($intlevel$nul|)" !"$comp_intlevel" \|
      /"(${(j:|:)long_configfile})$nul"
	-"apt_consume_long \${_ra_match%$nul}"
        /"$word" !"$comp_configfile" \|
      /"(${(j:|:)long_configfile})="
	-"apt_consume_long \${_ra_match%=}"
        \( /"$word1" !"$comp_configfile" \| /"$nul" /"$word" !"$comp_configfile" \) \|
      /"(${(j:|:)long_arbitem})$nul"
	-"apt_consume_long \${_ra_match%$nul}"
        /"$word" !"$comp_arbitem" \|
      /"(${(j:|:)long_arbitem})="
	-"apt_consume_long \${_ra_match%=}"
        \( /"$word1" !"$comp_arbitem" \| /"$nul" /"$word" !"$comp_arbitem" \) \|
      /"(${(j:|:)short_bool})="
	-"apt_consume_short \${_ra_match[-2]}"
        \( /"$word1" !"$comp_bool" \| /"$nul" /"$word" !"$comp_bool" \) \|
      /"(${(j:|:)short_bool})$nul"
	-"apt_consume_short \${_ra_match[-2]}"
        /"((${(j:|:)bool})$nul|)" !"$comp_bool" \|
      /"(${(j:|:)short_intlevel})="
	-"apt_consume_short \${_ra_match[-2]}"
        \( /"$word1" !"$comp_intlevel" \| /"$nul" /"$word" !"$comp_intlevel" \) \|
      /"(${(j:|:)short_intlevel})$nul"
	-"apt_consume_short \${_ra_match[-2]}"
        /"($intlevel$nul|)" !"$comp_intlevel" \|
      /"(${(j:|:)short_configfile})$nul"
	-"apt_consume_short \${_ra_match[-2]}"
        /"$word" !"$comp_configfile" \|
      /"(${(j:|:)short_configfile})="
	-"apt_consume_short \${_ra_match[-2]}"
        \( /"$word1" !"$comp_configfile" \| /"$nul" /"$word" !"$comp_configfile" \) \|
      /"(${(j:|:)short_arbitem})$nul"
	-"apt_consume_short \${_ra_match[-2]}"
        /"$word" !"$comp_arbitem" \|
      /"(${(j:|:)short_arbitem})="
	-"apt_consume_short \${_ra_match[-2]}"
        \( /"$word1" !"$comp_arbitem" \| /"$nul" /"$word" !"$comp_arbitem" \) \|
      /"[]" !"{ tmp1=\${(kj:|:)long_to_option[(R)\${(kj:|:)~options[(R)*~0]}]}
		tmp2=(\$_ra_left\${(M)^long_bool:#\$~tmp1} \$_ra_left\${(M)^long_intlevel:#\$~tmp1})
		compadd \"\$expl_opt[@]\" - \$tmp2
		tmp2=(\$_ra_left\${(M)^long_configfile:#\$~tmp1} \$_ra_left\${(M)^long_arbitem:#\$~tmp1})
		compadd \"\$expl_opt[@]\" -S= - \$tmp2
		tmp1=\${(kj:|:)short_to_option[(R)\${(kj:|:)~options[(R)*~0]}]}
		tmp2=(\$_ra_left\${(M)^short_bool:#\$~tmp1} \$_ra_left\${(M)^short_intlevel:#\$~tmp1})
		compadd \"\$expl_opt[@]\" - \$tmp2
		tmp2=(\$_ra_left\${(M)^short_configfile:#\$~tmp1} \$_ra_left\${(M)^short_arbitem:#\$~tmp1})
		compadd \"\$expl_opt[@]\" -S= - \$tmp2
	      }"
    \) \|
    /"[]" !"{
	      $comp_long
	    }"
  \)
)

regex_message=(
  /"[]" !"[[ -prefix - || -z \"\$compconfig[option_prefix]\" ]] && {
	    if [[ \$PREFIX = -$short_seq ]]; then
	      apt_consume_short \${PREFIX[2,-1]}
	      tmp1=(\${(k)short_to_option[(R)\${(kj:|:)~options[(R)*~0]}]})
	      tmp2=(-\${^tmp1})
	      compadd \"\$expl_opt[@]\" -y \"(\$tmp2)\" - \${PREFIX}\${^tmp1}
	    elif [[ -z "\$PREFIX" ]]; then
	      tmp1=(-\${(k)^short_to_option[(R)\${(kj:|:)~options[(R)*~0]}]})
	      compadd \"\$expl_opt[@]\" - \$tmp1
	    fi
	    $comp_long
	  }"
)

apt_consume_short () {
  local short opt
  for short in ${(s::)1}; do
    opt="$short_to_option[$short]"
    (( 0 < options[$opt] && options[$opt]-- ))
  done
}

apt_consume_long () {
  local long opt
  opt="$long_to_option[$1]"
  (( 0 < options[$opt] && options[$opt]-- ))
}

_regex_arguments "${funcname}_sm" /"$word" \( "$regex_long[@]" \| "$regex_short[@]" \| "$regex_message[@]" \) \# "$regex_action[@]"

eval "$funcname () {
  local short_bool short_intlevel short_configfile short_arbitem
  local long_bool long_intlevel long_configfile long_arbitem
  short_bool=($short_bool)
  short_intlevel=($short_intlevel)
  short_configfile=($short_configfile)
  short_arbitem=($short_arbitem)
  long_bool=($long_bool)
  long_intlevel=($long_intlevel)
  long_configfile=($long_configfile)
  long_arbitem=($long_arbitem)

  ${funcname}_sm
}"