mirror of
https://github.com/zsh-users/zsh-autosuggestions.git
synced 2024-11-18 09:51:06 +01:00
First pass at getting suggestions from completion engine (#111)
Uses https://github.com/Valodim/zsh-capture-completion with some slight modifications.
This commit is contained in:
Eric Freese
parent
5549b68e6e
commit
82b08e2dc8
3 changed files with 272 additions and 2 deletions
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@ -68,4 +68,7 @@ ZSH_AUTOSUGGEST_IGNORE_WIDGETS=(
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ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE=
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# Pty name for calculating autosuggestions asynchronously
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ZSH_AUTOSUGGEST_ASYNC_PTY_NAME=zsh_autosuggest_pty
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ZSH_AUTOSUGGEST_ASYNC_PTY_NAME=zsh_autosuggest_async_pty
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# Pty name for capturing completions for completion suggestion strategy
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ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME=zsh_autosuggest_completion_pty
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132
src/strategies/completion.zsh
Normal file
132
src/strategies/completion.zsh
Normal file
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@ -0,0 +1,132 @@
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#--------------------------------------------------------------------#
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# Completion Suggestion Strategy #
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#--------------------------------------------------------------------#
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# Fetches suggestions from zsh's completion engine
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#
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# Big thanks to https://github.com/Valodim/zsh-capture-completion
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_zsh_autosuggest_capture_completion() {
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zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME zsh -f -i
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# line buffer for pty output
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local line
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setopt rcquotes
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() {
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME source $1
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repeat 4; do
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zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line
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[[ $line == ok* ]] && return
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done
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echo 'error initializing.' >&2
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exit 2
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} =( <<< '
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# no prompt!
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PROMPT=
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# load completion system
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autoload compinit
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compinit -d ~/.zcompdump_autosuggestions
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# never run a command
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bindkey ''^M'' undefined
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bindkey ''^J'' undefined
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bindkey ''^I'' complete-word
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# send a line with null-byte at the end before and after completions are output
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null-line () {
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echo -E - $''\0''
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}
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compprefuncs=( null-line )
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comppostfuncs=( null-line exit )
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# never group stuff!
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zstyle '':completion:*'' list-grouped false
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# don''t insert tab when attempting completion on empty line
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zstyle '':completion:*'' insert-tab false
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# no list separator, this saves some stripping later on
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zstyle '':completion:*'' list-separator ''''
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# we use zparseopts
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zmodload zsh/zutil
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# override compadd (this our hook)
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compadd () {
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# check if any of -O, -A or -D are given
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if [[ ${@[1,(i)(-|--)]} == *-(O|A|D)\ * ]]; then
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# if that is the case, just delegate and leave
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builtin compadd "$@"
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return $?
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fi
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# ok, this concerns us!
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# echo -E - got this: "$@"
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# be careful with namespacing here, we don''t want to mess with stuff that
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# should be passed to compadd!
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typeset -a __hits __dscr __tmp
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# do we have a description parameter?
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# note we don''t use zparseopts here because of combined option parameters
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# with arguments like -default- confuse it.
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if (( $@[(I)-d] )); then # kind of a hack, $+@[(r)-d] doesn''t work because of line noise overload
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# next param after -d
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__tmp=${@[$[${@[(i)-d]}+1]]}
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# description can be given as an array parameter name, or inline () array
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if [[ $__tmp == \(* ]]; then
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eval "__dscr=$__tmp"
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else
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__dscr=( "${(@P)__tmp}" )
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fi
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fi
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# capture completions by injecting -A parameter into the compadd call.
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# this takes care of matching for us.
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builtin compadd -A __hits -D __dscr "$@"
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# JESUS CHRIST IT TOOK ME FOREVER TO FIGURE OUT THIS OPTION WAS SET AND WAS MESSING WITH MY SHIT HERE
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setopt localoptions norcexpandparam extendedglob
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# extract prefixes and suffixes from compadd call. we can''t do zsh''s cool
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# -r remove-func magic, but it''s better than nothing.
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typeset -A apre hpre hsuf asuf
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zparseopts -E P:=apre p:=hpre S:=asuf s:=hsuf
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# append / to directories? we are only emulating -f in a half-assed way
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# here, but it''s better than nothing.
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integer dirsuf=0
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# don''t be fooled by -default- >.>
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if [[ -z $hsuf && "${${@//-default-/}% -# *}" == *-[[:alnum:]]#f* ]]; then
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dirsuf=1
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fi
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# just drop
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[[ -n $__hits ]] || return
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# this is the point where we have all matches in $__hits and all
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# descriptions in $__dscr!
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# display all matches
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local dsuf dscr
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for i in {1..$#__hits}; do
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# add a dir suffix?
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(( dirsuf )) && [[ -d $__hits[$i] ]] && dsuf=/ || dsuf=
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# description to be displayed afterwards
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(( $#__dscr >= $i )) && dscr=" -- ${${__dscr[$i]}##$__hits[$i] #}" || dscr=
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echo -E - $IPREFIX$apre$hpre$__hits[$i]$dsuf$hsuf$asuf
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done
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}
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# signal success!
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echo ok')
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME "$*"$'\t'
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integer tog=0
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# read from the pty, and parse linewise
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while zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME; do :; done | while IFS= read -r line; do
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if [[ $line == *$'\0\r' ]]; then
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(( tog++ )) && return 0 || continue
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fi
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# display between toggles
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(( tog )) && echo -E - $line
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done
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return 2
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}
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_zsh_autosuggest_strategy_completion() {
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typeset -g suggestion=$(_zsh_autosuggest_capture_completion "$1" | head -n 1)
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# Strip the trailing carriage return
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suggestion="${suggestion%$'\r'}"
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# Add the completion string to the buffer to build the full suggestion
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local -i i=1
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while [[ "$suggestion" != "${1[$i,-1]}"* ]]; do ((i++)); done
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suggestion="${1[1,$i-1]}$suggestion"
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}
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@ -104,7 +104,10 @@ ZSH_AUTOSUGGEST_IGNORE_WIDGETS=(
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ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE=
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# Pty name for calculating autosuggestions asynchronously
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ZSH_AUTOSUGGEST_ASYNC_PTY_NAME=zsh_autosuggest_pty
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ZSH_AUTOSUGGEST_ASYNC_PTY_NAME=zsh_autosuggest_async_pty
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# Pty name for capturing completions for completion suggestion strategy
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ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME=zsh_autosuggest_completion_pty
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#--------------------------------------------------------------------#
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# Utility Functions #
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@ -493,6 +496,138 @@ zle -N autosuggest-enable _zsh_autosuggest_widget_enable
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zle -N autosuggest-disable _zsh_autosuggest_widget_disable
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zle -N autosuggest-toggle _zsh_autosuggest_widget_toggle
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#--------------------------------------------------------------------#
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# Completion Suggestion Strategy #
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#--------------------------------------------------------------------#
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# Fetches suggestions from zsh's completion engine
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#
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# Big thanks to https://github.com/Valodim/zsh-capture-completion
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_zsh_autosuggest_capture_completion() {
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zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME zsh -f -i
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# line buffer for pty output
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local line
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setopt rcquotes
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() {
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME source $1
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repeat 4; do
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zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line
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[[ $line == ok* ]] && return
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done
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echo 'error initializing.' >&2
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exit 2
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} =( <<< '
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# no prompt!
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PROMPT=
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# load completion system
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autoload compinit
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compinit -d ~/.zcompdump_autosuggestions
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# never run a command
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bindkey ''^M'' undefined
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bindkey ''^J'' undefined
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bindkey ''^I'' complete-word
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# send a line with null-byte at the end before and after completions are output
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null-line () {
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echo -E - $''\0''
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}
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compprefuncs=( null-line )
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comppostfuncs=( null-line exit )
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# never group stuff!
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zstyle '':completion:*'' list-grouped false
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# don''t insert tab when attempting completion on empty line
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zstyle '':completion:*'' insert-tab false
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# no list separator, this saves some stripping later on
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zstyle '':completion:*'' list-separator ''''
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# we use zparseopts
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zmodload zsh/zutil
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# override compadd (this our hook)
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compadd () {
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# check if any of -O, -A or -D are given
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if [[ ${@[1,(i)(-|--)]} == *-(O|A|D)\ * ]]; then
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# if that is the case, just delegate and leave
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builtin compadd "$@"
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return $?
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fi
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# ok, this concerns us!
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# echo -E - got this: "$@"
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# be careful with namespacing here, we don''t want to mess with stuff that
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# should be passed to compadd!
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typeset -a __hits __dscr __tmp
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# do we have a description parameter?
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# note we don''t use zparseopts here because of combined option parameters
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# with arguments like -default- confuse it.
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if (( $@[(I)-d] )); then # kind of a hack, $+@[(r)-d] doesn''t work because of line noise overload
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# next param after -d
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__tmp=${@[$[${@[(i)-d]}+1]]}
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# description can be given as an array parameter name, or inline () array
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if [[ $__tmp == \(* ]]; then
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eval "__dscr=$__tmp"
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else
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__dscr=( "${(@P)__tmp}" )
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fi
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fi
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# capture completions by injecting -A parameter into the compadd call.
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# this takes care of matching for us.
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builtin compadd -A __hits -D __dscr "$@"
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# JESUS CHRIST IT TOOK ME FOREVER TO FIGURE OUT THIS OPTION WAS SET AND WAS MESSING WITH MY SHIT HERE
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setopt localoptions norcexpandparam extendedglob
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# extract prefixes and suffixes from compadd call. we can''t do zsh''s cool
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# -r remove-func magic, but it''s better than nothing.
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typeset -A apre hpre hsuf asuf
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zparseopts -E P:=apre p:=hpre S:=asuf s:=hsuf
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# append / to directories? we are only emulating -f in a half-assed way
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# here, but it''s better than nothing.
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integer dirsuf=0
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# don''t be fooled by -default- >.>
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if [[ -z $hsuf && "${${@//-default-/}% -# *}" == *-[[:alnum:]]#f* ]]; then
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dirsuf=1
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fi
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# just drop
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[[ -n $__hits ]] || return
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# this is the point where we have all matches in $__hits and all
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# descriptions in $__dscr!
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# display all matches
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local dsuf dscr
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for i in {1..$#__hits}; do
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# add a dir suffix?
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(( dirsuf )) && [[ -d $__hits[$i] ]] && dsuf=/ || dsuf=
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# description to be displayed afterwards
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(( $#__dscr >= $i )) && dscr=" -- ${${__dscr[$i]}##$__hits[$i] #}" || dscr=
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echo -E - $IPREFIX$apre$hpre$__hits[$i]$dsuf$hsuf$asuf
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done
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}
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# signal success!
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echo ok')
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME "$*"$'\t'
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integer tog=0
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# read from the pty, and parse linewise
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while zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME; do :; done | while IFS= read -r line; do
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if [[ $line == *$'\0\r' ]]; then
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(( tog++ )) && return 0 || continue
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fi
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# display between toggles
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(( tog )) && echo -E - $line
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done
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return 2
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}
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_zsh_autosuggest_strategy_completion() {
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typeset -g suggestion=$(_zsh_autosuggest_capture_completion "$1" | head -n 1)
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# Strip the trailing carriage return
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suggestion="${suggestion%$'\r'}"
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# Add the completion string to the buffer to build the full suggestion
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local -i i=1
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while [[ "$suggestion" != "${1[$i,-1]}"* ]]; do ((i++)); done
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suggestion="${1[1,$i-1]}$suggestion"
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}
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#--------------------------------------------------------------------#
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# Default Suggestion Strategy #
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#--------------------------------------------------------------------#
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