Improve completion suggestions

Just insert the first completion directly into the buffer and read the
whole buffer from the zpty.
This commit is contained in:
Eric Freese 2018-06-30 18:15:38 -06:00
parent 8ae0283c90
commit 245f5d2ba2
2 changed files with 56 additions and 134 deletions

View File

@ -2,18 +2,18 @@
#--------------------------------------------------------------------#
# Completion Suggestion Strategy #
#--------------------------------------------------------------------#
# Fetches suggestions from zsh's completion engine
# Based on https://github.com/Valodim/zsh-capture-completion
# Fetches a suggestion from the completion engine
#
_zsh_autosuggest_capture_setup() {
zmodload zsh/zutil # For `zparseopts`
_zsh_autosuggest_capture_postcompletion() {
# Always insert the first completion into the buffer
compstate[insert]=1
# Ensure completions have been initialized
if ! whence compdef >/dev/null; then
autoload -Uz compinit && compinit
fi
# Don't list completions
unset compstate[list]
}
_zsh_autosuggest_capture_completion_widget() {
# There is a bug in zpty module (fixed in zsh/master) by which a
# zpty that exits will kill all zpty processes that were forked
# before it. Here we set up a zsh exit hook to SIGKILL the zpty
@ -24,54 +24,26 @@ _zsh_autosuggest_capture_setup() {
sleep 1 # Block for long enough for the signal to come through
}
# Never group stuff!
zstyle ':completion:*' list-grouped false
local -a +h comppostfuncs
comppostfuncs=(_zsh_autosuggest_capture_postcompletion)
# No list separator, this saves some stripping later on
zstyle ':completion:*' list-separator ''
# Run the original widget wrapping `.complete-word` so we don't
# recursively try to fetch suggestions, since our pty is forked
# after autosuggestions is initialized.
zle -- ${(k)widgets[(r)completion:.complete-word:_main_complete]}
# Override compadd (this is our hook)
compadd () {
setopt localoptions norcexpandparam
# Just delegate and leave if any of -O, -A or -D are given
if [[ ${@[1,(i)(-|--)]} == *-(O|A|D)\ * ]]; then
builtin compadd "$@"
return $?
fi
# Capture completions by injecting -A parameter into the compadd call.
# This takes care of matching for us.
typeset -a __hits
builtin compadd -A __hits "$@"
# Exit if no completion results
[[ -n $__hits ]] || return
# Extract prefixes and suffixes from compadd call. we can't do zsh's cool
# -r remove-func magic, but it's better than nothing.
typeset -A apre hpre hsuf asuf
zparseopts -E P:=apre p:=hpre S:=asuf s:=hsuf
# Print the first match
echo -nE - $'\0'$IPREFIX$apre$hpre$__hits[1]$dsuf$hsuf$asuf$'\0'
}
# The completion has been added, print the buffer as the suggestion
echo -nE - $'\0'$BUFFER$'\0'
}
_zsh_autosuggest_capture_widget() {
_zsh_autosuggest_capture_setup
zle complete-word
}
zle -N autosuggest-capture-completion _zsh_autosuggest_capture_widget
zle -N autosuggest-capture-completion _zsh_autosuggest_capture_completion_widget
_zsh_autosuggest_capture_buffer() {
local BUFFERCONTENT="$1"
_zsh_autosuggest_capture_setup
zmodload zsh/parameter 2>/dev/null || return # For `$functions`
zmodload zsh/parameter # For `$functions`
bindkey '^I' autosuggest-capture-completion
# Make vared completion work as if for a normal command line
# https://stackoverflow.com/a/7057118/154703
@ -86,12 +58,16 @@ _zsh_autosuggest_capture_buffer() {
vared BUFFERCONTENT
}
_zsh_autosuggest_capture_completion() {
zmodload zsh/zpty 2>/dev/null || return
typeset -g completion
_zsh_autosuggest_strategy_completion() {
typeset -g suggestion
local line REPLY
# Exit if we don't have completions
whence compdef >/dev/null || return
# Exit if we don't have zpty
zmodload zsh/zpty 2>/dev/null || return
# Zle will be inactive if we are in async mode
if zle; then
zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME zle autosuggest-capture-completion
@ -106,23 +82,8 @@ _zsh_autosuggest_capture_completion() {
# On older versions of zsh, we sometimes get extra bytes after the
# second null byte, so trim those off the end
completion="${${${(M)line:#*$'\0'*$'\0'*}#*$'\0'}%%$'\0'*}"
suggestion="${${${(M)line:#*$'\0'*$'\0'*}#*$'\0'}%%$'\0'*}"
# Destroy the pty
zpty -d $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME
}
_zsh_autosuggest_strategy_completion() {
typeset -g suggestion
local completion
# Fetch the first completion result
_zsh_autosuggest_capture_completion "$1"
[[ -z "$completion" ]] && return
# Add the completion string to the buffer to build the full suggestion
local -i i=1
while [[ "$completion" != "${1[$i,-1]}"* ]]; do ((i++)); done
suggestion="${1[1,$i-1]}$completion"
}

View File

@ -472,18 +472,18 @@ zle -N autosuggest-toggle _zsh_autosuggest_widget_toggle
#--------------------------------------------------------------------#
# Completion Suggestion Strategy #
#--------------------------------------------------------------------#
# Fetches suggestions from zsh's completion engine
# Based on https://github.com/Valodim/zsh-capture-completion
# Fetches a suggestion from the completion engine
#
_zsh_autosuggest_capture_setup() {
zmodload zsh/zutil # For `zparseopts`
_zsh_autosuggest_capture_postcompletion() {
# Always insert the first completion into the buffer
compstate[insert]=1
# Ensure completions have been initialized
if ! whence compdef >/dev/null; then
autoload -Uz compinit && compinit
fi
# Don't list completions
unset compstate[list]
}
_zsh_autosuggest_capture_completion_widget() {
# There is a bug in zpty module (fixed in zsh/master) by which a
# zpty that exits will kill all zpty processes that were forked
# before it. Here we set up a zsh exit hook to SIGKILL the zpty
@ -494,54 +494,26 @@ _zsh_autosuggest_capture_setup() {
sleep 1 # Block for long enough for the signal to come through
}
# Never group stuff!
zstyle ':completion:*' list-grouped false
local -a +h comppostfuncs
comppostfuncs=(_zsh_autosuggest_capture_postcompletion)
# No list separator, this saves some stripping later on
zstyle ':completion:*' list-separator ''
# Run the original widget wrapping `.complete-word` so we don't
# recursively try to fetch suggestions, since our pty is forked
# after autosuggestions is initialized.
zle -- ${(k)widgets[(r)completion:.complete-word:_main_complete]}
# Override compadd (this is our hook)
compadd () {
setopt localoptions norcexpandparam
# Just delegate and leave if any of -O, -A or -D are given
if [[ ${@[1,(i)(-|--)]} == *-(O|A|D)\ * ]]; then
builtin compadd "$@"
return $?
fi
# Capture completions by injecting -A parameter into the compadd call.
# This takes care of matching for us.
typeset -a __hits
builtin compadd -A __hits "$@"
# Exit if no completion results
[[ -n $__hits ]] || return
# Extract prefixes and suffixes from compadd call. we can't do zsh's cool
# -r remove-func magic, but it's better than nothing.
typeset -A apre hpre hsuf asuf
zparseopts -E P:=apre p:=hpre S:=asuf s:=hsuf
# Print the first match
echo -nE - $'\0'$IPREFIX$apre$hpre$__hits[1]$dsuf$hsuf$asuf$'\0'
}
# The completion has been added, print the buffer as the suggestion
echo -nE - $'\0'$BUFFER$'\0'
}
_zsh_autosuggest_capture_widget() {
_zsh_autosuggest_capture_setup
zle complete-word
}
zle -N autosuggest-capture-completion _zsh_autosuggest_capture_widget
zle -N autosuggest-capture-completion _zsh_autosuggest_capture_completion_widget
_zsh_autosuggest_capture_buffer() {
local BUFFERCONTENT="$1"
_zsh_autosuggest_capture_setup
zmodload zsh/parameter 2>/dev/null || return # For `$functions`
zmodload zsh/parameter # For `$functions`
bindkey '^I' autosuggest-capture-completion
# Make vared completion work as if for a normal command line
# https://stackoverflow.com/a/7057118/154703
@ -556,12 +528,16 @@ _zsh_autosuggest_capture_buffer() {
vared BUFFERCONTENT
}
_zsh_autosuggest_capture_completion() {
zmodload zsh/zpty 2>/dev/null || return
typeset -g completion
_zsh_autosuggest_strategy_completion() {
typeset -g suggestion
local line REPLY
# Exit if we don't have completions
whence compdef >/dev/null || return
# Exit if we don't have zpty
zmodload zsh/zpty 2>/dev/null || return
# Zle will be inactive if we are in async mode
if zle; then
zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME zle autosuggest-capture-completion
@ -576,27 +552,12 @@ _zsh_autosuggest_capture_completion() {
# On older versions of zsh, we sometimes get extra bytes after the
# second null byte, so trim those off the end
completion="${${${(M)line:#*$'\0'*$'\0'*}#*$'\0'}%%$'\0'*}"
suggestion="${${${(M)line:#*$'\0'*$'\0'*}#*$'\0'}%%$'\0'*}"
# Destroy the pty
zpty -d $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME
}
_zsh_autosuggest_strategy_completion() {
typeset -g suggestion
local completion
# Fetch the first completion result
_zsh_autosuggest_capture_completion "$1"
[[ -z "$completion" ]] && return
# Add the completion string to the buffer to build the full suggestion
local -i i=1
while [[ "$completion" != "${1[$i,-1]}"* ]]; do ((i++)); done
suggestion="${1[1,$i-1]}$completion"
}
#--------------------------------------------------------------------#
# History Suggestion Strategy #
#--------------------------------------------------------------------#