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#autoload
# Complete the arguments of the current command according to the
# descriptions given as arguments to this function.
local long cmd="$words[1]" descr mesg subopts opt usecc autod
local oldcontext="$curcontext" hasopts multi ismulti
long=$argv[(I)--]
if (( long )); then
local name tmp tmpargv
if [[ long -eq 1 ]]; then
tmpargv=()
else
tmpargv=( "${(@)argv[1,long-1]}" )
fi
name=${~words[1]}
[[ "$name" = [^/]*/* ]] && name="$PWD/$name"
name="_args_cache_${name}"
name="${name//[^a-zA-Z0-9_]/_}"
if (( ! ${(P)+name} )); then
local iopts sopts pattern tmpo cur cache
typeset -U lopts
cache=()
# We have to build a new long-option cache, get the `-i' and
# `-s' options.
set -- "${(@)argv[long+1,-1]}"
iopts=()
sopts=()
while [[ "$1" = -[is]* ]]; do
if [[ "$1" = -??* ]]; then
tmp="${1[3,-1]}"
cur=1
else
tmp="$2"
cur=2
fi
if [[ "$tmp[1]" = '(' ]]; then
tmp=( ${=tmp[2,-2]} )
else
tmp=( "${(@P)tmp}" )
fi
if [[ "$1" = -i* ]]; then
iopts=( "$iopts[@]" "$tmp[@]" )
else
sopts=( "$sopts[@]" "$tmp[@]" )
fi
shift cur
done
# Now get the long option names by calling the command with `--help'.
# The parameter expansion trickery first gets the lines as separate
# array elements. Then we select all lines whose first non-blank
# character is a hyphen. Since some commands document more than one
# option per line, separated by commas, we convert commas into
# newlines and then split the result again at newlines after joining
# the old array elements with newlines between them. Then we select
# those elements that start with two hyphens, remove anything up to
# those hyphens and anything from the space or tab after the
# option up to the end.
lopts=("--${(@)^${(@)${(@)${(@M)${(@ps:\n:j:\n:)${(@)${(@M)${(@f)$(_call options ${~words[1]} --help 2>&1)//\[--/
--}:#[ ]#-*}//,/
}}:#[ ]#--*}#*--}%%[] ]*}:#}")
lopts=( "${(@)lopts:#--}" )
# Now remove all ignored options ...
while (( $#iopts )); do
lopts=( ${lopts:#$~iopts[1]} )
shift iopts
done
# ... and add "same" options
while (( $#sopts )); do
lopts=( $lopts ${lopts/$~sopts[1]/$sopts[2]} )
shift 2 sopts
done
# Then we walk through the descriptions plus a few builtin ones.
set -- "$@" '*=FILE*:file:_files' \
'*=(DIR|PATH)*:directory:_files -/' '*: :'
while (( $# )); do
# First, we get the pattern and the action to use and take them
# from the positional parameters.
pattern="${${${(M)1#*[^\\]:}[1,-2]}//\\\\:/:}"
descr="${1#${pattern}}"
shift
# We get all options matching the pattern and take them from the
# list we have built. If no option matches the pattern, we
# continue with the next.
tmp=("${(@M)lopts:##$~pattern}")
lopts=("${(@)lopts:##$~pattern}")
(( $#tmp )) || continue
opt=''
# If there are option strings with a `[=', we take these get an
# optional argument.
tmpo=("${(@M)tmp:#*\[\=*}")
if (( $#tmpo )); then
tmp=("${(@)tmp:#*\[\=*}")
tmpo=("${(@)${(@)tmpo%%\=*}//[^a-z0-9-]}")
if [[ "$descr" = ::* ]]; then
cache=( "$cache[@]" "${(@)^tmpo}=${descr}" )
else
cache=( "$cache[@]" "${(@)^tmpo}=:${descr}" )
fi
fi
# Descriptions with `=': mandatory argument.
tmpo=("${(@M)tmp:#*\=*}")
if (( $#tmpo )); then
tmp=("${(@)tmp:#*\=*}")
tmpo=("${(@)${(@)tmpo%%\=*}//[^a-z0-9-]}")
cache=( "$cache[@]" "${(@)^tmpo}=${descr}" )
fi
# Everything else is just added as a option without arguments.
if (( $#tmp )); then
tmp=("${(@)tmp//[^a-zA-Z0-9-]}")
cache=( "$cache[@]" "$tmp[@]" )
fi
done
eval "${name}=( \"\${(@)cache:# #}\" )"
fi
set -- "$tmpargv[@]" "${(@P)name}"
fi
multi=(-i)
subopts=()
while [[ "$1" = -(O*|C|m*) ]]; do
case "$1" in
-C) usecc=yes; shift ;;
-O) subopts=( "${(@P)2}" ); shift 2 ;;
-O*) subopts=( "${(@P)1[3,-1]}" ); shift ;;
-m) ismulti=yes multi=(-I "$2" "$3"); shift 3 ;;
-m*) ismulti=yes multi=(-I "${1[3,-1]}" "$2"); shift 2 ;;
esac
done
zstyle -s ":completion:${curcontext}:options" auto-description autod
if (( $# )) && comparguments "$multi[@]" "$autod" "$@"; then
local action noargs aret expl local tried
local next direct odirect equal single matcher matched ws tmp1 tmp2 tmp3
local opts subc tc prefix suffix descrs actions subcs
local origpre="$PREFIX" origipre="$IPREFIX"
[[ -z "$ismulti" ]] && local nm="$compstate[nmatches]"
if comparguments -D descrs actions subcs; then
if comparguments -O next direct odirect equal; then
opts=yes
_tags "$subcs[@]" options
else
_tags "$subcs[@]"
fi
else
if comparguments -a; then
noargs='no more arguments'
had_args=yes
else
noargs='no arguments'
fi
if comparguments -O next direct odirect equal; then
opts=yes
_tags options
elif [[ $? -eq 2 ]]; then
compadd -Q - "${PREFIX}${SUFFIX}"
return 0
else
_message "$noargs"
return 1
fi
fi
comparguments -M matcher
context=()
state=()
while true; do
while _tags; do
while (( $#descrs )); do
action="$actions[1]"
descr="$descrs[1]"
subc="$subcs[1]"
if [[ -n "$matched" ]] || _requested "$subc"; then
curcontext="${oldcontext%:*}:$subc"
_description "$subc" expl "$descr"
if [[ "$action" = \=\ * ]]; then
action="$action[3,-1]"
words=( "$subc" "$words[@]" )
(( CURRENT++ ))
fi
if [[ "$action" = -\>* ]]; then
comparguments -W line opt_args
state=( "$state[@]" "${${action[3,-1]##[ ]#}%%[ ]#}" )
if [[ -n "$usecc" ]]; then
curcontext="${oldcontext%:*}:$subc"
else
context=( "$context[@]" "$subc" )
fi
compstate[restore]=''
aret=yes
else
if [[ -z "$local" ]]; then
local line
typeset -A opt_args
local=yes
fi
comparguments -W line opt_args
if [[ "$action" = \ # ]]; then
# An empty action means that we should just display a message.
_message "$descr"
mesg=yes
tried=yes
elif [[ "$action" = \(\(*\)\) ]]; then
# ((...)) contains literal strings with descriptions.
eval ws\=\( "${action[3,-3]}" \)
_describe -t "$subc" "$descr" ws -M "$matcher" "$subopts[@]"
tried=yes
elif [[ "$action" = \(*\) ]]; then
# Anything inside `(...)' is added directly.
_all_labels "$subc" expl "$descr" \
compadd "$subopts[@]" - ${=action[2,-2]}
tried=yes
elif [[ "$action" = \{*\} ]]; then
# A string in braces is evaluated.
while _next_label "$subc" expl "$descr"; do
eval "$action[2,-2]"
done
tried=yes
elif [[ "$action" = \ * ]]; then
# If the action starts with a space, we just call it.
eval "action=( $action )"
while _next_label "$subc" expl "$descr"; do
"$action[@]"
done
tried=yes
else
# Otherwise we call it with the description-arguments.
eval "action=( $action )"
while _next_label "$subc" expl "$descr"; do
"$action[1]" "$subopts[@]" "$expl[@]" "${(@)action[2,-1]}"
done
tried=yes
fi
fi
fi
shift 1 descrs
shift 1 actions
shift 1 subcs
done
if [[ -z "$matched$hasopts" ]] && _requested options &&
{ [[ -n "$ismulti" ]] ||
! zstyle -T ":completion:${curcontext}:options" prefix-needed ||
[[ "$origpre" = [-+]* || -z "$aret$mesg$tried" ]] } ; then
local prevpre="$PREFIX" previpre="$IPREFIX"
hasopts=yes
PREFIX="$origpre"
IPREFIX="$origipre"
if comparguments -s single; then
if [[ "$single" = direct ]]; then
_all_labels options expl option \
compadd -QS '' - "${PREFIX}${SUFFIX}"
elif [[ "$single" = next ]]; then
_all_labels options expl option \
compadd -Q - "${PREFIX}${SUFFIX}"
elif [[ "$single" = equal ]]; then
_all_labels options expl option \
compadd -QqS= - "${PREFIX}${SUFFIX}"
else
tmp1=( "$next[@]" "$direct[@]" "$odirect[@]" "$equal[@]" )
tmp3=( "${(M@)tmp1:#[-+]?[^:]*}" )
tmp1=( "${(M@)tmp1:#[-+]?(|:*)}" )
tmp2=( "${PREFIX}${(@M)^${(@)${(@)tmp1%%:*}#[-+]}:#?}" )
if [[ -n "$ismulti" ]]; then
_ms_opt=yes
_ms_soptmid=( "$_ms_soptmid[@]" "$tmp1[@]" )
_ms_soptmidadd=( "$_ms_soptmidadd[@]" "$tmp2[@]" )
_ms_soptend=( "$_ms_soptend[@]" "$tmp3[@]" )
else
_describe -o option \
tmp1 tmp2 -Q -S '' -- \
tmp3 -Q
fi
fi
single=yes
else
next=( "$next[@]" "$odirect[@]" )
if [[ -n "$ismulti" ]]; then
_ms_opt=yes
_ms_match="$_ms_match $matcher"
_ms_optnext=( "$_ms_optnext[@]" "$next[@]" )
_ms_optdirect=( "$_ms_optdirect[@]" "$direct[@]" )
_ms_optequal=( "$_ms_optequal[@]" "$equal[@]" )
else
_describe -o option \
next -Q -M "$matcher" -- \
direct -QS '' -M "$matcher" -- \
equal -QqS= -M "$matcher"
fi
fi
PREFIX="$prevpre"
IPREFIX="$previpre"
fi
[[ -n "$tried" ]] && break
done
if [[ -n "$opts" && -z "$aret$matched$mesg" &&
nm -eq compstate[nmatches] ]]; then
PREFIX="$origpre"
IPREFIX="$origipre"
prefix="${PREFIX#*\=}"
suffix="$SUFFIX"
PREFIX="${PREFIX%%\=*}"
SUFFIX=''
compadd -M "$matcher" -D equal - "${(@)equal%%:*}"
if [[ $#equal -eq 1 ]]; then
PREFIX="$prefix"
SUFFIX="$suffix"
IPREFIX="${IPREFIX}${equal[1]%%:*}="
matched=yes
comparguments -L "${equal[1]%%:*}" descrs actions subcs
_tags "$subcs[@]"
continue
fi
fi
break
done
[[ -z "$aret" || -z "$usecc" ]] && curcontext="$oldcontext"
[[ -n "$aret" ]] && return 300
if [[ -n "$noargs" ]]; then
[[ -z "$ismulti" && nm -eq "$compstate[nmatches]" ]] && _message "$noargs"
else
has_args=yes
fi
# Set the return value.
[[ nm -ne "$compstate[nmatches]" ]]
else
return 1
fi
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