mirror of
git://git.code.sf.net/p/zsh/code
synced 2024-11-19 13:33:52 +01:00
447 lines
12 KiB
Plaintext
447 lines
12 KiB
Plaintext
#autoload
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# Complete the arguments of the current command according to the
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# descriptions given as arguments to this function.
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local long cmd="$words[1]" descr mesg subopts opt usecc autod
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local oldcontext="$curcontext" hasopts rawret optarg singopt alwopt
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long=$argv[(I)--]
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if (( long )); then
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local name tmp tmpargv
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if [[ long -eq 1 ]]; then
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tmpargv=()
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else
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tmpargv=( "${(@)argv[1,long-1]}" )
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fi
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name=${~words[1]}
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[[ "$name" = [^/]*/* ]] && name="$PWD/$name"
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name="_args_cache_${name}"
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name="${name//[^a-zA-Z0-9_]/_}"
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if (( ! ${(P)+name} )); then
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local iopts sopts pattern tmpo dir cur cache
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typeset -U lopts
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cache=()
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# We have to build a new long-option cache, get the `-i' and
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# `-s' options.
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set -- "${(@)argv[long+1,-1]}"
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iopts=()
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sopts=()
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while [[ "$1" = -[is]* ]]; do
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if [[ "$1" = -??* ]]; then
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tmp="${1[3,-1]}"
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cur=1
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else
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tmp="$2"
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cur=2
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fi
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if [[ "$tmp[1]" = '(' ]]; then
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tmp=( ${=tmp[2,-2]} )
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else
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tmp=( "${(@P)tmp}" )
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fi
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if [[ "$1" = -i* ]]; then
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iopts=( "$iopts[@]" "$tmp[@]" )
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else
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sopts=( "$sopts[@]" "$tmp[@]" )
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fi
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shift cur
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done
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# Now get the long option names by calling the command with `--help'.
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# The parameter expansion trickery first gets the lines as separate
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# array elements. Then we select all lines whose first non-blank
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# character is a hyphen. Since some commands document more than one
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# option per line, separated by commas, we convert commas into
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# newlines and then split the result again at newlines after joining
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# the old array elements with newlines between them. Then we select
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# those elements that start with two hyphens, remove anything up to
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# those hyphens and anything from the space or tab after the
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# option up to the end.
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lopts=("--${(@)^${(@)${(@)${(@M)${(@ps:\n:j:\n:)${(@)${(@M)${(@f)$(_call_program options ${~words[1]} --help 2>&1)//\[--/
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--}:#[ ]#-*}//,/
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}}:#[ ]#--*}#*--}%%[] ]*}:#}")
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# Remove options also described by user-defined specs.
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tmp=()
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for opt in "${(@)lopts:#--}"; do
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# Using (( ... )) gives a parse error.
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let "$tmpargv[(I)(|\([^\)]#\))(|\*)${opt}(|[-+=])(|\[*\])(|:*)]" ||
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tmp=( "$tmp[@]" "$opt" )
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done
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lopts=( "$tmp[@]" )
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# Now remove all ignored options ...
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while (( $#iopts )); do
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lopts=( ${lopts:#$~iopts[1]} )
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shift iopts
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done
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# ... and add "same" options
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while (( $#sopts )); do
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lopts=( $lopts ${lopts/$~sopts[1]/$sopts[2]} )
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shift 2 sopts
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done
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# Then we walk through the descriptions plus a few builtin ones.
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# The last one matches all options; the `special' description and action
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# makes those options be completed without an argument description.
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set -- "$@" '*=FILE*:file:_files' \
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'*=(DIR|PATH)*:directory:_files -/' '*: : '
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while (( $# )); do
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# First, we get the pattern and the action to use and take them
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# from the positional parameters.
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pattern="${${${(M)1#*[^\\]:}[1,-2]}//\\\\:/:}"
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descr="${1#${pattern}}"
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if [[ "$pattern" = *\(-\) ]]; then
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pattern="$pattern[1,-4]"
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dir=-
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else
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dir=
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fi
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shift
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# We get all options matching the pattern and take them from the
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# list we have built. If no option matches the pattern, we
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# continue with the next.
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tmp=("${(@M)lopts:##$~pattern}")
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lopts=("${(@)lopts:##$~pattern}")
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(( $#tmp )) || continue
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opt=''
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# If there are option strings with a `[=', we take these to get an
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# optional argument.
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tmpo=("${(@M)tmp:#*\[\=*}")
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if (( $#tmpo )); then
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tmp=("${(@)tmp:#*\[\=*}")
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tmpo=("${(@)${(@)tmpo%%\=*}//[^a-z0-9-]}")
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if [[ "$descr" = ::* ]]; then
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cache=( "$cache[@]" "${(@)^tmpo}=${dir}${descr}" )
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else
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cache=( "$cache[@]" "${(@)^tmpo}=${dir}:${descr}" )
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fi
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fi
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# Descriptions with `=': mandatory argument.
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tmpo=("${(@M)tmp:#*\=*}")
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if (( $#tmpo )); then
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tmp=("${(@)tmp:#*\=*}")
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tmpo=("${(@)${(@)tmpo%%\=*}//[^a-z0-9-]}")
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cache=( "$cache[@]" "${(@)^tmpo}=${dir}${descr}" )
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fi
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# Everything else is just added as an option without arguments or
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# as described by $descr.
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if (( $#tmp )); then
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tmp=("${(@)tmp//[^a-zA-Z0-9-]}")
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if [[ -n "$descr" && "$descr" != ': : ' ]]; then
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cache=( "$cache[@]" "${(@)^tmp}${descr}" )
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else
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cache=( "$cache[@]" "$tmp[@]" )
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fi
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fi
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done
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set -A "$name" "${(@)cache:# #}"
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fi
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set -- "$tmpargv[@]" "${(@P)name}"
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fi
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subopts=()
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singopt=()
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while [[ "$1" = -(O*|[CRWsw]) ]]; do
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case "$1" in
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-C) usecc=yes; shift ;;
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-O) subopts=( "${(@P)2}" ); shift 2 ;;
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-O*) subopts=( "${(@P)${1[3,-1]}}" ); shift ;;
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-R) rawret=yes; shift;;
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-w) optarg=yes; shift;;
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-s) singopt=(-s); shift;;
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-W) alwopt=arg; shift;;
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esac
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done
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[[ "$PREFIX" = [-+] ]] && alwopt=arg
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zstyle -s ":completion:${curcontext}:options" auto-description autod
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if (( $# )) && comparguments -i "$autod" "$singopt[@]" "$@"; then
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local action noargs aret expl local tried ret=1
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local next direct odirect equal single matcher matched ws tmp1 tmp2 tmp3
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local opts subc tc prefix suffix descrs actions subcs anum
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local origpre="$PREFIX" origipre="$IPREFIX" nm="$compstate[nmatches]"
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if comparguments -D descrs actions subcs; then
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if comparguments -O next direct odirect equal; then
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opts=yes
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_tags "$subcs[@]" options
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else
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_tags "$subcs[@]"
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fi
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else
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if comparguments -a; then
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noargs='no more arguments'
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else
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noargs='no arguments'
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fi
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if comparguments -O next direct odirect equal; then
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opts=yes
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_tags options
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elif [[ $? -eq 2 ]]; then
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compadd -Q - "${PREFIX}${SUFFIX}"
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return 0
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else
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_message "$noargs"
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return 1
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fi
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fi
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comparguments -M matcher
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context=()
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state=()
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while true; do
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while _tags; do
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anum=1
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if [[ -z "$tried" ]]; then
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while [[ anum -le $#descrs ]]; do
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action="$actions[anum]"
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descr="$descrs[anum]"
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subc="$subcs[anum++]"
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if [[ -n "$matched" ]] || _requested "$subc"; then
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curcontext="${oldcontext%:*}:$subc"
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_description "$subc" expl "$descr"
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if [[ "$action" = \=\ * ]]; then
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action="$action[3,-1]"
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words=( "$subc" "$words[@]" )
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(( CURRENT++ ))
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fi
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if [[ "$action" = -\>* ]]; then
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action="${${action[3,-1]##[ ]#}%%[ ]#}"
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if (( ! $state[(I)$action] )); then
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comparguments -W line opt_args
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state=( "$state[@]" "$action" )
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if [[ -n "$usecc" ]]; then
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curcontext="${oldcontext%:*}:$subc"
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else
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context=( "$context[@]" "$subc" )
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fi
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compstate[restore]=''
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aret=yes
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fi
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else
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if [[ -z "$local" ]]; then
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local line
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typeset -A opt_args
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local=yes
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fi
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comparguments -W line opt_args
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if [[ "$action" = \ # ]]; then
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# An empty action means that we should just display a message.
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_message -e "$subc" "$descr"
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mesg=yes
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tried=yes
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alwopt=${alwopt:-yes}
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elif [[ "$action" = \(\(*\)\) ]]; then
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# ((...)) contains literal strings with descriptions.
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eval ws\=\( "${action[3,-3]}" \)
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_describe -t "$subc" "$descr" ws -M "$matcher" "$subopts[@]" ||
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alwopt=${alwopt:-yes}
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tried=yes
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elif [[ "$action" = \(*\) ]]; then
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# Anything inside `(...)' is added directly.
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eval ws\=\( "${action[2,-2]}" \)
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_all_labels "$subc" expl "$descr" compadd "$subopts[@]" -a - ws ||
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alwopt=${alwopt:-yes}
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tried=yes
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elif [[ "$action" = \{*\} ]]; then
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# A string in braces is evaluated.
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while _next_label "$subc" expl "$descr"; do
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eval "$action[2,-2]" && ret=0
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done
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(( ret )) && alwopt=${alwopt:-yes}
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tried=yes
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elif [[ "$action" = \ * ]]; then
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# If the action starts with a space, we just call it.
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eval "action=( $action )"
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while _next_label "$subc" expl "$descr"; do
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"$action[@]" && ret=0
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done
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(( ret )) && alwopt=${alwopt:-yes}
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tried=yes
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else
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# Otherwise we call it with the description-arguments.
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eval "action=( $action )"
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while _next_label "$subc" expl "$descr"; do
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"$action[1]" "$subopts[@]" "$expl[@]" "${(@)action[2,-1]}" && ret=0
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done
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(( ret )) && alwopt=${alwopt:-yes}
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tried=yes
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fi
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fi
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fi
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done
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fi
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if _requested options &&
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[[ -z "$hasopts" &&
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-z "$matched" &&
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( -z "$aret" || "$PREFIX" = "$origpre" ) ]] &&
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{ ! zstyle -T ":completion:${curcontext}:options" prefix-needed ||
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[[ "$origpre" = [-+]* || -z "$aret$mesg$tried" ]] } ; then
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local prevpre="$PREFIX" previpre="$IPREFIX"
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hasopts=yes
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PREFIX="$origpre"
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IPREFIX="$origipre"
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if [[ -z "$alwopt" || -z "$tried" || "$alwopt" = arg ]] &&
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comparguments -s single; then
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if [[ "$single" = direct ]]; then
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_all_labels options expl option \
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compadd -QS '' - "${PREFIX}${SUFFIX}"
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elif [[ -z "$optarg" && "$single" = next ]]; then
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_all_labels options expl option \
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compadd -Q - "${PREFIX}${SUFFIX}"
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elif [[ "$single" = equal ]]; then
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_all_labels options expl option \
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compadd -QqS= - "${PREFIX}${SUFFIX}"
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else
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tmp1=( "$next[@]" "$direct[@]" "$odirect[@]" "$equal[@]" )
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[[ "$PREFIX" = [-+]* ]] && tmp1=( "${(@M)tmp1:#${PREFIX[1]}*}" )
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[[ "$single" = next ]] &&
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tmp1=( "${(@)tmp1:#[-+]${PREFIX[-1]}((#e)|:*)}" )
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[[ "$PREFIX" != --* ]] && tmp1=( "${(@)tmp1:#--*}" )
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tmp3=( "${(M@)tmp1:#[-+]?[^:]*}" )
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tmp1=( "${(M@)tmp1:#[-+]?(|:*)}" )
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tmp2=( "${PREFIX}${(@M)^${(@)${(@)tmp1%%:*}#[-+]}:#?}" )
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_describe -o option \
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tmp1 tmp2 -Q -S '' -- \
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tmp3 -Q
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[[ -n "$optarg" && "$single" = next && nm -eq $compstate[nmatches] ]] &&
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_all_labels options expl option \
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compadd -Q - "${PREFIX}${SUFFIX}"
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fi
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single=yes
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else
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next=( "$next[@]" "$odirect[@]" )
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_describe -o option \
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next -Q -M "$matcher" -- \
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direct -QS '' -M "$matcher" -- \
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equal -QqS= -M "$matcher"
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fi
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PREFIX="$prevpre"
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IPREFIX="$previpre"
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fi
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[[ -n "$tried" && "${${alwopt:+$origpre}:-$PREFIX}" != [-+]* ]] && break
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done
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if [[ -n "$opts" && -z "$aret" &&
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-z "$matched" &&
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( -z "$tried" || -n "$alwopt" ) &&
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nm -eq compstate[nmatches] ]]; then
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PREFIX="$origpre"
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IPREFIX="$origipre"
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prefix="${PREFIX#*\=}"
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suffix="$SUFFIX"
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PREFIX="${PREFIX%%\=*}"
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SUFFIX=''
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compadd -M "$matcher" -D equal - "${(@)equal%%:*}"
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if [[ $#equal -eq 1 ]]; then
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PREFIX="$prefix"
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SUFFIX="$suffix"
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IPREFIX="${IPREFIX}${equal[1]%%:*}="
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matched=yes
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comparguments -L "${equal[1]%%:*}" descrs actions subcs
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_tags "$subcs[@]"
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continue
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fi
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fi
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break
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done
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[[ -z "$aret" || -z "$usecc" ]] && curcontext="$oldcontext"
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if [[ -n "$aret" ]]; then
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[[ -n $rawret ]] && return 300
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### Returning non-zero would allow the calling function to add its own
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### completions if we generated only options and have to use a ->state
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### action. But if that then doesn't generate matches, the calling
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### function's return value would be wrong unless it compares
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### $compstate[nmatches] to its previous value. Ugly.
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###
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### return 1
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else
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[[ -n "$noargs" && nm -eq "$compstate[nmatches]" ]] && _message "$noargs"
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fi
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# Set the return value.
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[[ nm -ne "$compstate[nmatches]" ]]
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else
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return 1
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fi
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