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zsh/Completion/Unix/Command/_sed
2023-11-17 18:13:41 +01:00

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#compdef sed gsed psed s2p
local variant inplace extended ign sep separator
local -i nest=0
local -a args aopts sedexpr cmds_none cmds_slash cmds_end substflags expl bsnl nl labels excl dedup
local -a step range negate mods
aopts=( -A '-*' )
bsnl=( $'\\\n' )
nl=$'\n'
compquote nl
cmds_none=(
'{:start group'
'q:quit after printing pattern space'
'h:copy pattern space to hold space'
'\::place label'
'#:comment'
'=:print current line number'
'a:append text'
'i:insert text'
'r:append contents of file'
'b:branch'
't:branch if s command has been successful'
'c:replace line with text'
'l:list current line in visually unambiguous form'
'w:write pattern space to file'
)
cmds_slash=(
's:substitute regex'
'y:transliterate characters'
)
cmds_end=(
'd:delete pattern space'
'D:delete up to the first newline in the pattern space'
'g:copy hold space to pattern space'
'G:append hold space to pattern space'
'H:append pattern space to hold space'
'n:read the next line of input into pattern space'
'N:append the next line of input to the pattern space'
'p:print the current pattern space'
'P:print up to the first newline of the current pattern space'
'x:exchange hold and pattern spaces'
'}:end group'
)
substflags=(
'g:replace all matches to the regular expression'
'p:print new pattern space if substitution made'
'w:write result to named file if substitution made'
)
args=(
'(-n --quiet --silent)'{-n,--quiet,--silent}'[suppress automatic printing of pattern space]'
'(1)*'{-e+,--expression=}'[specify sed commands to run]:sed script:_sed_expressions'
'(1)*'{-f+,--file=}'[add contents of file to commands to run]:file:_files'
'(-e)1:sed script:_sed_expressions'
'*:input file:_files'
)
inplace='[edit files in-place, running scripts separately for each file]:: :_guard "^(*[@/; ]*|?(#c6,)|-*)" "suffix for backup"'
extended='[use extended regular expressions]'
if [[ $service = (psed|s2p) ]]; then
args=(
"${(@)args:#(|\(*\))(|\*)--*}"
'-a[delay opening files listed with w function]'
)
elif _pick_variant -r variant gnu=GNU unix --version; then
aopts=( )
(( $#words > 2 )) && ign='!'
args+=(
'--debug[annotate program execution]'
'--follow-symlinks[follow symlinks when processing in place]'
'(-i --in-place -s --separate)'{-i-,--in-place=-}$inplace
'(-c --copy)'{-c,--copy}'[copy instead of rename when shuffling files in in-place mode]'
'(-l --line-length)'{-l+,--line-length=}'[specify line-wrap length for the l command]'
'(-r)--posix[disable GNU extensions]'
'(-E -r --regexp-extended)'{-E,-r,--regexp-extended}$extended
'(-s --separate)'{-s,--separate}'[consider files separately instead of as a combined stream]'
'--sandbox[block commands that can affect the system (r/w/W/e)]'
'(-u --unbuffered)'{-u,--unbuffered}'[disable data buffering]'
'(-z --null-data)'{-z,--null-data}'[separate lines by NUL characters]'
"${ign}(- 1 :)--help[print program usage]"
"${ign}(- 1 :)--version[print program version]"
)
if [[ -z ${words[(r)--posix]} ]]; then
cmds_none+=(
'R:append a line from file'
'T:branch if no s command has been successful'
'W:write the first line of pattern space to file'
'v:fail if GNU extensions not supported or older than specified version'
)
cmds_end+=(
"e:execute a command and include it's output"
'F:print the filename of the current input file'
'Q:quit'
'z:empty the pattern space'
)
substflags+=(
'e:execute pattern space as a command and replace with result'
{i,I}':case-insensitive regular expression matching'
{m,M}':multi-line matching'
)
fi
else
args=( "${(@)args:#(|\(*\))(|\*)--*}" )
case $OSTYPE in
openbsd*|freebsd*|netbsd*|darwin*|dragonfly*)
args+=(
'(-r -E)'{-E,-r}$extended
'-a[delay opening files listed with w function]'
)
;|
darwin*|freebsd*|netbsd*|openbsd*|dragonfly*) args+=( '-i+'$inplace ) ;|
darwin*|freebsd*|netbsd*|dragonfly*) args+=( '-l[make output line buffered]' ) ;|
darwin*|freebsd*|dragonfly*) args+=( '-u[disable data buffering]' ) ;|
freebsd*|netbsd*|dragonfly*)
args+=(
'-I+[edit files in-place, treating all files as a single input stream]:: :_guard "^(*[@/; \\\]*|?(#c6,)|-*)" "suffix for backup"'
)
;;
openbsd*) args+=( '-u[make output line buffered]' ) ;;
esac
fi
zstyle -s ":completion:${curcontext}:address-forms" list-separator separator || separator=--
step=( "~ $separator step" )
negate=( "! $separator negated" )
range=( ", $separator range" )
mods=( "I $separator case-insensitive" "M $separator multi-line" )
sedexpr=(
\( /$'*\0[ \t\n]#'/ \) # strip off any preceding arguments - handled by _arguments
\(
# Handle an optional address range
\(
\(
\(
'///' '/[^/]#//' ':regexes:regex:' # skip /pattern/
\|
'/\\(?)/' -'sep=${match#?}' # handle \xpatternx
\( '/\?/' \| '/?/' -'[[ $match != $sep ]]' \) \# '/?/' -'[[ $match = $sep ]]' ':regexes:regex:'
\)
$'/[ \t]#/'
\( \| '/[IM]##/' -'dedup=( ${(s..)match} )' ':address-forms:address form:compadd -S "" -d mods -F dedup I M' \) \#
\|
'/([0-9]##|$)[ \t]#/' # line number
\(
'/\~[ \t]#/' # addr1~N
'/[0-9]##[ \t]#/' ': _message -e steps "number - match where line number is a multiple"'
\| '//' ':address-forms:address form:compadd -S "" -d step \~' \)
\|
'/[]/' ': _guard "^([sy]|[^0-9$/\\\]*)" "address - line number or /pattern/"'
\)
\( # range end, also optional
'/[ \t]#,[ \t]#/' -'excl=( \\\# : )' # exclude comments and labels after ranges
\(
'///' '/[^/]#//' ':regexes:regex:' # handle /pattern/
\|
'/\\(?)/' -'sep=${match#?}' # handle \xpatternx
\( '/\?/' \| '/?/' -'[[ $match != $sep ]]' \) \# '/?/' -'[[ $match = $sep ]]' ':regexes:regex - 2:'
\|
'/+[ \t]#/' # addr1,+N
'/[0-9]##/' ': _message -e number "number of following lines"'
\|
'/\~[ \t]#/' # addr1,~N
'/[0-9]##/' ': _message -e number "following lines until line number is a multiple of specified number"'
\|
'/([0-9]##|$)/' # line number
\|
'/[]/' ': _message -e ranges "ending line - [+~]number, $ or /pattern/"'
\)
\|
'//' -'excl=( \\\# : )' ':address-forms:address form:compadd -S "" -d range ,'
\)
\(
'/!/' ':address-forms:address form:compadd -S "" -d negate !'
\| \)
\| // -'excl=( \{ )' \) # { ... } is only useful following a range so exclude {
$'/[ \t]#/' -'(( nest )) || excl+=( \} )' # whitespace + exclude } without preceding {
\( # First commands, for which the pattern fully terminates them
'/e[ \t]#/' $'/((\\\n|\\[^\n]|[^\\\n])##\n|[\n;])/' ':commands:command:_cmdstring' # GNU extension
\|
$'/{[ ;\t\n]#/' -'((++nest,1))' # opening brace
\|
'/\#/' # comments
$'/[^\n]##\n[\n; \t]#/' ':comments:comment:'
\|
$'/[aci]/' # a, c and i commands
\(
$'/[ \t]#/' -'[[ $variant = gnu && $+opt_args[--posix] = 0 ]]' # GNU allows, e.g. 'c string'
\|
$'/[ \t]#/' $'/\\\n/' ':newlines:newline:compadd -Q -S "" "$bsnl"'
\)
$'/(\\\n|\\[^\n]|[^\\\n])##\n[\n; \t]#/' ':strings:string:'
\|
$'/[RrwW][ \t]#/' $'/[^\n]##\n[\n; \t]#/' ':files:file:_files -S ""'
\| # Now commands with shared termination handling
\(
# branches/labels, GNU sed allows an empty label
$'/[:btT][ \t]#/' $'/[^ \t\n;]#/' $'%[ \t\n;]%' -'labels+=( $match )'
':labels:label: _wanted -x labels expl label compadd -S "" -a labels'
\|
'/l/' $'/[ \t]#<->/' ':width:width:'
\|
'/s(?)/' -'sep=${match#s}' # Substitutions
\( '/\\?/' \| '/?/' -'[[ $match != $sep ]]' \) \#
'/?/' -'[[ $match = $sep ]]' ':regexes:source regex:'
\( '/\\?/' \| '/?/' -'[[ $match != $sep ]]' \) \#
'/?/' -'[[ $match = $sep ]]' ':regexes:substitute string (back-references with & and \1 .. \9):'
\( # Substitution flags
$'/w[ \t]#/' $'/[^\n]##/' $'%\n%' ':files:file:_files -S ""'
\|
# pass existing flags, building exclusion list from them
$'/[gpiImM0-9]#/' -'excl=( ${(s..)${${${match/[iI]/iI}/[mM]/mM}}/e/ew} )'
\(
'//' -'[[ -z ${excl[(r)[0-9]]} ]]' # exclude if numbers already there
'//' '%[^egpiImM0-9]%' ': _message -e numbers "number - substitute nth match"'
\|
'//' '%[^egpiImM0-9]%' $':flags:flag: _describe -t flags flag substflags -S "" -F excl'
\)
\)
\|
'/y(?)/' -'sep=${match#y}' # Character transliterations
\( '/\?/' \| '/?/' -'[[ $match != $sep ]]' \) \# '/?/' -'[[ $match = $sep ]]' ':source:source:'
\( '/\?/' \| '/?/' -'[[ $match != $sep ]]' \) \# '/?/' -'[[ $match = $sep ]]' ':dest:dest:'
\|
'/[qQ]/' -'[[ $variant = gnu && $+opt_args[--posix] = 0 ]]'
$'/[\t ]#<->/' '%[^0-9]%' ':exit-codes:exit code:'
\|
'/[=dDFhHgGnNpPqQxz]/' # stand-alone commands that take no argument
\( $'/[ \t]#/' $'%[#\n;}]%' \| $'/[ \t]/' '/[]/' ': _message "no arguments"' \| \)
\|
$'/v[ \t]#/' $'/[^\n;}]#/' $'%[\n;}]%' ':versions:version:'
\|
$'/}[ \t]#/' -'((--nest,1))' # closing }
\|
/'[]'/ ':commands:command: _describe -t sed-commands "sed command" cmds_none -S "" -F excl -- cmds_slash -S / -- cmds_end -F excl -r \; -S $nl'
\)
$'/[ \t]#/'
\( $'/}[ \t]#/' -'((--nest,1))' \| \) # closing } is allowed by GNU sed without preceding ; or newline
\(
'/\#/' $'/[^\n]##\n[\n; \t]#/' ':comments:comment:' # line end comments
\|
# add in and auto-removable newline if command is terminated
$'/[;\n][ ;\t\n]#/' $':separators:separator:compadd -r ";" -S $nl ""'
\|
$'/{[ \t]#/' -'((++nest,1))' # opening {, keep count of nesting level
\)
\)
\) \#
)
_regex_arguments _sed_expressions "$sedexpr[@]"
_arguments -s -S $aopts : "$args[@]"