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auto-fu.zsh
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auto-fu.zsh
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# zsh automatic complete-word and list-choices
# Originally incr-0.2.zsh
# Incremental completion for zsh
# by y.fujii <y-fujii at mimosa-pudica.net>
# Thank you very much y.fujii!
# Adapted by Takeshi Banse <takebi@laafc.net>, public domain
# I want to use it with menu selection.
# To use this,
# 1) source this file.
# % source auto-fu.zsh
# 2) establish `zle-line-init' containing `auto-fu-init' something like below.
# % zle-line-init () {auto-fu-init;}; zle -N zle-line-init
# 3) use the _oldlist completer something like below.
# % zstyle ':completion:*' completer _oldlist _complete
# (If you have a lot of completer, please insert _oldlist before _complete.)
# 4) establish `zle-keymap-select' containing `auto-fu-zle-keymap-select'.
# % zle -N zle-keymap-select auto-fu-zle-keymap-select
# (This enables the afu-vicmd keymap switching coordinates a bit.)
#
# *Optionally* you can use the zcompiled file for a little faster loading on
# every shell startup, if you zcompile the necessary functions.
# *1) zcompile the defined functions. (generates ~/.zsh/auto-fu.zwc)
# % A=/path/to/auto-fu.zsh; (zsh -c "source $A ; auto-fu-zcompile $A ~/.zsh")
# *2) source the zcompiled file instead of this file and some tweaks.
# % source ~/.zsh/auto-fu; auto-fu-install
# *3) establish `zle-line-init' and such (same as a few lines above).
# Note:
# It is approximately *(6~10) faster if zcompiled, according to this result :)
# TIMEFMT="%*E %J"
# 0.041 ( source ./auto-fu.zsh; )
# 0.004 ( source ~/.zsh/auto-fu; auto-fu-install; )
# Here is the auto-fu-zcompile manual.
# --- >8 ---
# NAME
# auto-fu-zcompile - zcompile auto-fu
#
# SYNOPSIS
# auto-fu-zcompile <auto-fu.zsh file> <directory to output>
# [<restoffiles>...]
#
# DESCRIPTION
# This command dumps out the auto-fu's functions, zle and stuff to
# <directory to output>/auto-fu. This is inspired from `compinit' which
# dumps out the completion system's internal stuff to ~/.zcompdump.
# Then `zrecompile' the <directory to output>/auto-fu.
# As you can see, auto-fu.zsh has some `eval' calls, so it may result
# poor loading performance. I want to avoid that as far as possible, so
# the resulting file (~/.zsh/auto-fu) has fewer `eval's and stripped
# unnecessary things at runtime.
# afu+* and auto-fu* widgets and afu+* functions will *NOT* be
# stripped by auto-fu-zcompile.
#
# OPTIONS
# <auto-fu.zsh file>
# This file.
#
# <directory to output>
# Directory to dumped and zcompiled files reside.
#
# [<restoffile>...]
# Files to be `source'ed right before the dumped file creation.
# auto-fu-zcompile will strip unnecessary stuff, so some utility
# shell functions will not be available at runtime. If you want
# to customize auto-fu stuff using auto-fu.zsh's internal
# functions, you can code it at this point (example below).
#
# EXAMPLES
# . zcompile auto-fu in ~/.zsh.d:
#
# % A=/path/to/auto-fu.zsh
# % (zsh -c "source $A ; auto-fu-zcompile $A ~/.zsh.d")
#
# . Customize some not-easily-customizable things:
#
# % A=/path/to/auto-fu.zsh
# % (zsh -c "source $A ; \
# auto-fu-zcompile $A ~/.zsh.d ~/.zsh/auto-fu-customize.zsh")
#
# '~/.zsh/auto-fu-customize.zsh' is something like this:
#>
# afu+my-kill-line-maybe () {
# if (($#BUFFER > CURSOR));
# then zle kill-line
# else zle kill-whole-line
# fi
# }
# zle -N afu+my-kill-line-maybe
#
# afu-register-zle-eof \
# afu+orf-ignoreeof-deletechar-list \
# afu-ignore-eof afu+my-kill-line-maybe
# afu-register-zle-eof \
# afu+orf-exit-deletechar-list exit afu+my-kill-line-maybe
#<
# Using `afu-register-zle-eof' to customize the <C-d> behaviors.
# --- 8< ---
# Configuration
# The auto-fu features can be configured via zstyle.
# :auto-fu:highlight
# input
# A highlight specification used for user input string.
# completion
# A highlight specification used for completion string.
# completion/one
# A highlight specification used for completion string if it is the
# only one candidate.
# :auto-fu:var
# postdisplay
# An initial indication string for POSTDISPLAY in auto-fu-init.
# postdisplay/clearp
# If set, POSTDISPLAY will be cleared after the accept-lines.
# 'yes' by default.
# enable
# A list of zle widget names the automatic complete-word and
# list-choices to be triggered after its invocation.
# Only with ALL in 'enable', the 'disable' style has any effect.
# ALL by default.
# disable
# A list of zle widget names you do *NOT* want the complete-word to be
# triggered. Only used if 'enable' contains ALL. For example,
# zstyle ':auto-fu:var' enable all
# zstyle ':auto-fu:var' disable magic-space
# yields; complete-word will not be triggered after pressing the
# space-bar, otherwise automatic thing will be taken into account.
# track-keymap-skip
# A list of keymap names to *NOT* be treated as a keymap change.
# In other words, these keymaps cannot be used with the standalone main
# keymap. For example "opp". If you use my opp.zsh, please add an 'opp'
# to this zstyle.
# autoable-function/skipwords
# autoable-function/skiplbuffers
# autoable-function/skiplines
# A list of patterns to *NOT* be treated as auto-stuff appropriate.
# These patterns will be tested against the part of the command line
# buffer as shown on the below figure:
# (*) is used to denote the cursor position.
#
# # nocorrect aptitude --assume-*yes -d install zsh && echo ready
# <-------->skipwords
# <----------------->skiplbuffers
# <----------------------------------->skplines
#
# Examples:
# - To disable auto-stuff inside single and also double quotes.
# And less than 3 chars before the cursor.
# zstyle ':auto-fu:var' autoable-function/skipwords \
# "('|$'|\")*" "^((???)##)"
#
# - To disable the rm's first option, and also after the '(cvs|svn) co'.
# zstyle ':auto-fu:var' autoable-function/skiplbuffers \
# 'rm -[![:blank:]]#' '(cvs|svn) co *'
#
# - To disable after the 'aptitude word '.
# zstyle ':auto-fu:var' autoable-function/skiplines \
# '([[:print:]]##[[:space:]]##|(#s)[[:space:]]#)aptitude [[:print:]]# *'
# autoable-function/preds
# A list of functions to be called whether auto-stuff appropriate or not.
# These functions will be called with the arguments (above figure)
# - $1 '--assume-'
# - $2 'aptitude'
# - $3 'aptitude --assume-'
# - $4 'aptitude --assume-yes -d install zsh'
# For example,
# to disable some 'perl -M' thing, we can do by the following zsh codes.
#>
# afu-autoable-pm-p () { [[ ! ("$2" == 'perl' && "$1" == -(#i)m*) ]] }
#
# # retrieve default value into 'preds' to push the above function into.
# local -a preds; afu-autoable-default-functions preds
# preds+=afu-autoable-pm-p
#
# zstyle ':auto-fu:var' autoable-function/preds $preds
#<
# The afu-autoable-dots-p is actually an example of this ability to skip
# uninteresting dots.
# autoablep-function
# A predicate function to determine whether auto-stuff could be
# appropriate. (Default `auto-fu-default-autoable-pred' implements the
# above autoablep-function/* functionality.)
#
# Configuration example
# zstyle ':auto-fu:highlight' input bold
# zstyle ':auto-fu:highlight' completion fg=black,bold
# zstyle ':auto-fu:highlight' completion/one fg=white,bold,underline
# zstyle ':auto-fu:var' postdisplay $'\n-azfu-'
# zstyle ':auto-fu:var' track-keymap-skip opp
# #zstyle ':auto-fu:var' disable magic-space
# XXX: use with the error correction or _match completer.
# If you got the correction errors during auto completing the word, then
# plese do _not_ do `magic-space` or `accept-line`. Insted please do the
# following, `undo` and then hit <tab> or throw away the buffer altogether.
# This applies _match completer with complex patterns, too.
# I'm very sorry for this annonying behaviour.
# (For example, 'ls --bbb' and 'ls --*~^*al*' etc.)
# XXX: ignoreeof semantics changes for overriding ^D.
# You cannot change the ignoreeof option interactively. I'm verry sorry.
# To customize the ^D behavior further, it will be done for example above
# auto-fu-zcomple manual's EXAMPLE section's code. Please take a look.
# TODO: play nice with zsh-syntax-highlighting.
# TODO: http://d.hatena.ne.jp/tarao/20100531/1275322620
# TODO: pause auto stuff until something happens. ("next magic-space" etc)
# TODO: handle RBUFFER.
# TODO: signal handling during the recursive edit.
# TODO: handle empty or space characters.
# TODO: cp x /usr/loc
# TODO: region_highlight vs afu-able-p → nil
# Do *NOT* clear the region_highlight if it should.
# TODO: ^C-n could be used as the menu-select-key outside of the menuselect.
# TODO: *-directories|all-files may not be enough.
# TODO: recommend zcompiling.
# TODO: undo should reset the auto stuff's state.
# TODO: when `_match`ing,
# sometimes extra <TAB> key is needed to enter the menu select,
# sometimes is *not* needed. (already be entered menu select state.)
# History
# v0.0.1.12
# fix some options potentially will be reset during the auto-stuff.
# fix afu-keymap+widget to $afu_zles work in custom widgets.
# Thank you very much for the reports, Christian271!
# v0.0.1.11
# play nice with banghist.
# Thank you very much for the report, yoshikaw!
# add autoablep-function machinery.
# Thank you very much for the suggestion, tyru and kei_q!
# v0.0.1.10
# Fix not work auto-thing without extended_glob.
# Thank you very much for the report, myuhe!
# v0.0.1.9
# add auto-fu-activate, auto-fu-deactivate and auto-fu-toggle.
# v0.0.1.8.3
# in afu+complete-word PAGER=<TAB> ⇒ PAGER=PAGER= bug fix.
# Thank you very much for the report, tyru!
# v0.0.1.8.2
# afu+complete-word bug fixes.
# v0.0.1.8.1
# README.md
# v0.0.1.8
# add completion/one and postdisplay/clearp configurations.
# add kill-word and yank to afu_zles.
# v0.0.1.7
# Fix "no such keymap `isearch'" error.
# Thank you very much for the report, mooz and Shougo!
# v0.0.1.6
# Fix `parameter not set`. Thank you very much for the report, Shougo!
# Bug fix.
# v0.0.1.5
# afu+complete-word bug (directory vs others) fix.
# v0.0.1.4
# afu+complete-word bug fixes.
# v0.0.1.3
# Teach ^D and magic-space.
# v0.0.1.2
# Add configuration option and auto-fu-zcompile for a little faster loading.
# v0.0.1.1
# Documentation typo fix.
# v0.0.1
# Initial version.
# Code
afu_zles=( \
# Zle widgets should be rebinded in the afu keymap. `auto-fu-maybe' to be
# called after it's invocation, see `afu-initialize-zle-afu'.
self-insert backward-delete-char backward-kill-word kill-line \
kill-whole-line kill-word magic-space yank \
)
autoload +X keymap+widget
() {
setopt localoptions extendedglob no_shwordsplit
local code=${(S)${functions[keymap+widget]/for w in *
do
/for w in $afu_zles
do
}/(#b)(\$w-by-keymap \(\) \{*\})/
eval \${\${\${\"\$(echo \'$match\')\"}/\\\$w/\$w}//\\\$WIDGET/\$w}
}
eval "function afu-keymap+widget () { $code }"
}
afu-install () {
zstyle -t ':auto-fu:var' misc-installed-p || {
zmodload zsh/parameter 2>/dev/null || {
echo 'auto-fu:zmodload error. exiting.' >&2; exit -1
}
afu-install-isearchmap
afu-install-eof
afu-install-preexec
} always {
zstyle ':auto-fu:var' misc-installed-p yes
}
bindkey -N afu emacs
{ "$@" }
bindkey -M afu "^I" afu+complete-word
bindkey -M afu "^M" afu+accept-line
bindkey -M afu "^J" afu+accept-line
bindkey -M afu "^O" afu+accept-line-and-down-history
bindkey -M afu "^[a" afu+accept-and-hold
bindkey -M afu "^X^[" afu+vi-cmd-mode
bindkey -N afu-vicmd vicmd
}
afu-install-isearchmap () {
zstyle -t ':auto-fu:var' isearchmap-installed-p || {
[[ -n ${(M)keymaps:#isearch} ]] && bindkey -M isearch "^M" afu+accept-line
} always {
zstyle ':auto-fu:var' isearchmap-installed-p yes
}
}
afu-install-eof () {
zstyle -t ':auto-fu:var' eof-installed-p || {
# fiddle the main(emacs) keymap. The assumption is it propagates down to
# the afu keymap afterwards.
if [[ "$options[ignoreeof]" == "on" ]]; then
bindkey "^D" afu+orf-ignoreeof-deletechar-list
else
setopt ignoreeof
bindkey "^D" afu+orf-exit-deletechar-list
fi
} always {
zstyle ':auto-fu:var' eof-installed-p yes
}
}
afu-eof-maybe () {
local eof="$1"; shift
[[ -z $BUFFER ]] && { $eof; return }
"$@"
}
afu-ignore-eof () { zle -M "zsh: use 'exit' to exit." }
afu-register-zle-eof () {
local fun="$1"
local then="$2"
local else="${3:-delete-char-or-list}"
eval "$fun () { afu-eof-maybe $then zle $else }; zle -N $fun"
}
afu-register-zle-eof afu+orf-ignoreeof-deletechar-list afu-ignore-eof
afu-register-zle-eof afu+orf-exit-deletechar-list exit
afu-install-preexec () {
zstyle -t ':auto-fu:var' preexec-installed-p || {
autoload -Uz add-zsh-hook
add-zsh-hook preexec auto-fu-preexec
} always {
zstyle ':auto-fu:var' preexec-installed-p yes
}
}
auto-fu-preexec () { echo -en '\e[0m' }
afu+vi-ins-mode () { zle -K afu ; }; zle -N afu+vi-ins-mode
afu+vi-cmd-mode () { zle -K afu-vicmd; }; zle -N afu+vi-cmd-mode
auto-fu-zle-keymap-select () { afu-track-keymap "$@" afu-adjust-main-keymap }
afu-adjust-main-keymap () { [[ "$KEYMAP" == 'main' ]] && { zle -K "$1" } }
afu-track-keymap () {
typeset -gA afu_keymap_state # XXX: global state variable.
local new="${KEYMAP}"
# XXX: widget name will not be passed (zsh < 8856dc8)
local old="${@[-2]}"
local fun="${@[-1]}"
{ afu-track-keymap-skip-p "$old" "$new" } && return
local cur="${afu_keymap_state[cur]-}"
afu_keymap_state+=(old "${afu_keymap_state[cur]-}")
afu_keymap_state+=(cur "$old $new")
[[ "$new" == 'main' ]] && [[ -n "$cur" ]] && {
local -a tmp; tmp=("${(Q)=cur}")
afu_keymap_state+=(cur "$old $tmp[1]")
"$fun" "$tmp[1]"
}
}
afu-track-keymap-skip-p () {
local old="$1"
local new="$2"
{ [[ -z "$old" ]] || [[ -z "$new" ]] } && return 0
local -a ms; ms=(); zstyle -a ':auto-fu:var' track-keymap-skip ms
(( ${#ms} )) || return -1
local m; for m in $ms; do
[[ "$old" == "$m" ]] && return 0
[[ "$new" == "$m" ]] && return 0
done
return -1
}
afu-install afu-keymap+widget
function () {
[[ -z ${AUTO_FU_NOCP-} ]] || return
# For backward compatibility
zstyle ':auto-fu:highlight' input bold
zstyle ':auto-fu:highlight' completion fg=black,bold
zstyle ':auto-fu:highlight' completion/one fg=whilte,bold,underline
zstyle ':auto-fu:var' postdisplay $'\n-azfu-'
}
declare -a afu_accept_lines
afu-recursive-edit-and-accept () {
local -a __accepted
zle recursive-edit -K afu || { afu-reset; zle -R ''; zle send-break; return }
[[ -n ${__accepted} ]] &&
(( ${#${(M)afu_accept_lines:#${__accepted[1]}}} > 1 )) &&
{ zle "${__accepted[@]}"} || { zle accept-line }
}
afu-register-zle-accept-line () {
local afufun="$1"
local rawzle=".${afufun#*+}"
local code=${"$(<=(cat <<"EOT"
$afufun () {
__accepted=($WIDGET ${=NUMERIC:+-n $NUMERIC} "$@")
zle $rawzle && {
local hi
zstyle -s ':auto-fu:highlight' input hi
[[ -z ${hi} ]] || region_highlight=("0 ${#BUFFER} ${hi}")
}
zstyle -T ':auto-fu:var' postdisplay/clearp && POSTDISPLAY=''
return 0
}
zle -N $afufun
EOT
))"}
eval "${${code//\$afufun/$afufun}//\$rawzle/$rawzle}"
afu_accept_lines+=$afufun
}
afu-register-zle-accept-line afu+accept-line
afu-register-zle-accept-line afu+accept-line-and-down-history
afu-register-zle-accept-line afu+accept-and-hold
# Entry point.
auto-fu-init () {
local auto_fu_init_p=1
local ps
{
local -a region_highlight
local afu_in_p=0
local afu_paused_p=0
zstyle -s ':auto-fu:var' postdisplay ps
[[ -z ${ps} ]] || POSTDISPLAY="$ps"
afu-recursive-edit-and-accept
zle -I
} always {
[[ -z ${ps} ]] || POSTDISPLAY=''
}
}
zle -N auto-fu-init
# Entry point.
auto-fu-on () { with-afu-gvars zle -K afu }; zle -N auto-fu-on
auto-fu-off () { with-afu-gvars zle -K emacs }; zle -N auto-fu-off # emacs...?
with-afu-gvars () {
(( auto_fu_init_p == 1 )) && {
zle -M "Sorry, can't turn on or off if auto-fu-init is in effect."; return
}
typeset -g afu_in_p=0
typeset -g afu_paused_p=0
region_highlight=()
"$@"
}
afu-register-zle-toggle () {
local var="$1"
local toggle="$2"
local activate="$3"
local deactivate="$4"
eval "$(cat <<EOT
$toggle () {
(( $var == 1 )) && { $var=0; return }
(( $var != 1 )) && { $var=1; return }
}
$activate () { $var=0 }
$deactivate () { $var=1 }
zle -N $toggle; zle -N $activate; zle -N $deactivate
EOT
)"
}
afu-register-zle-toggle afu_paused_p \
auto-fu-toggle auto-fu-activate auto-fu-deactivate
afu-clearing-maybe () {
region_highlight=()
if ((afu_in_p == 1)); then
[[ "$BUFFER" != "$buffer_new" ]] || ((CURSOR != cursor_cur)) &&
{ afu_in_p=0 }
fi
}
afu-reset () {
region_highlight=()
afu_in_p=0
local ps; zstyle -s ':auto-fu:var' postdisplay ps
[[ -z ${ps} ]] || POSTDISPLAY=''
}
with-afu () {
local zlefun="$1"; shift
local -a zs
: ${(A)zs::=$@}
afu-clearing-maybe
((afu_in_p == 1)) && { afu_in_p=0; BUFFER="$buffer_cur" }
zle $zlefun && {
setopt localoptions extendedglob no_banghist
local es ds
zstyle -a ':auto-fu:var' enable es; (( ${#es} == 0 )) && es=(all)
if [[ -n ${(M)es:#(#i)all} ]]; then
zstyle -a ':auto-fu:var' disable ds
: ${(A)es::=${zs:#(${~${(j.|.)ds}})}}
fi
[[ -n ${(M)es:#${zlefun#.}} ]]
} && { auto-fu-maybe }
}
afu-register-zle-afu () {
local afufun="$1"
local rawzle=".${afufun#*+}"
eval "function $afufun () { with-afu $rawzle $afu_zles; }; zle -N $afufun"
}
afu-initialize-zle-afu () {
local z
for z in $afu_zles ;do
afu-register-zle-afu afu+$z
done
}
afu-initialize-zle-afu
afu-able-p () {
# XXX: This could be done sanely in the _main_complete or $_comps[x].
local pred=; zstyle -s ':auto-fu:var' autoablep-function pred
"${pred:-auto-fu-default-autoable-pred}"; return $?
}
auto-fu-default-autoable-pred () {
local -a ps; zstyle -a ':auto-fu:var' autoable-function/preds ps
(( $#ps )) || { afu-autoable-default-functions ps }
local -a reply; local -i REPLY REPLY2; local -a areply
afu-split-shell-arguments
local word="${reply[REPLY]-}"
local commandish="${areply[1]-}"
local p; for p in $ps; do
local ret=0; "$p" \
"$word" "$commandish" \
"${(j..)areply[1,((REPLY-1))]}" \
"${(j..)areply[1,-1]}"
ret=$?
((ret == 1)) && return 1
((ret ==-1)) && return 0 # XXX: Badness.
done
return 0
}
afu-error-symif () {
local fname="$1"; shift
local place="$1"; shift
[[ "$place" == (${~${(j.|.)@}}) ]] && {
echo \
"*** error in $fname; ${(qq)@} cannot be used in this context. sorry."
return -1
}
return 0
}
afu-autoable-default-functions () {
local place="$1"
afu-error-symif "$0" "$place" defaults || return $?
local -a defaults; defaults=(\
afu-autoable-paused-p \
afu-autoable-space-p \
afu-autoable-skipword-p \
afu-autoable-dots-p \
afu-autoable-skiplbuffer-p \
afu-autoable-skipline-p)
: ${(PA)place::=$defaults}
}
afu-autoable-paused-p () { (( afu_paused_p == 0 )) }
afu-split-shell-arguments () {
autoload -U split-shell-arguments; split-shell-arguments
((REPLY & 1)) && ((REPLY--))
((REPLY2 = ${#reply[REPLY]-} + 1))
# set up the 'areply'. (Cursor positoin (*))
# % echo bar && command ls -a* -l | grep foo
# <-------> areply holds
local -i p; local -a tmp
: ${(A)tmp::=$reply[1,REPLY]}
p=${tmp[(I)(\||\|\||;|&|&&)]}; ((p)) && ((p+=2)) || ((p=1))
while [[ ${tmp[p]-} == (noglob|nocorrect|builtin|command) ]] do ((p+=2)) done;
((p!=1)) && ((p++))
: ${(A)tmp::=$reply[p,-1]}
p=${tmp[(I)(\||\|\||;|&|&&)]}; ((p)) && ((p-=2)) || ((p=-1))
: ${(A)areply::=${tmp[1,p]}}
}
afu-autoable-space-p () {
local c=$LBUFFER[-1]
[[ $c == '' ]] && return 1;
[[ $c == ' ' ]] && { afu-able-space-p || return 1 }
return 0
}
afu-able-space-p () {
[[ -z ${AUTO_FU_NOCP-} ]] &&
# For backward compatibility.
{ [[ "$WIDGET" == "magic-space" ]] || return 1 }
# TODO: This is quite iffy guesswork, broken.
local -a x
: ${(A)x::=${(z)LBUFFER}}
#[[ $x[1] != (man|perldoc|ri) ]]
[[ $x[1] != man ]]
}
afu-autoable-dots-p () { [[ "${1##*/}" != ("."|"..") ]] }
afu-autoable-skip-pred () {
local place="$1"
local style="$2"
local deffn="${3-}"
local value="${(P)place}"
local -a skips; skips=(); zstyle -a ':auto-fu:var' "$style" skips
(($#skips==0)) && [[ -n "$deffn" ]] && { "$deffn" skips }
local skip; for skip in $skips; do
[[ "${value}" == ${~skip} ]] && {
[[ -n "${AUTO_FU_DEBUG-}" ]] && {
echo "***BREAK*** ${skip}" >> ${AUTO_FU_DEBUG-}
}
return 1
}
done
return 0
}
afu-autoable-skipword-p () {
local word="$1"
afu-autoable-skip-pred word autoable-function/skipwords \
afu-autoable-skipword-p-default
}
afu-autoable-skipword-p-default () {
afu-error-symif "$0" "$1" a tmp || return $?
local -a a; a=("'" "$'" "$histchars[1]");local -a tmp; tmp=("(${(j.|.)a})*")
: ${(PA)1::=$tmp}
}
afu-autoable-skiplbuffer-p () {
local lbuffer="$3"
afu-autoable-skip-pred lbuffer autoable-function/skiplbuffers
}
afu-autoable-skipline-p () {
local line="$4"
afu-autoable-skip-pred line autoable-function/skiplines
}
auto-fu-maybe () {
(($PENDING== 0)) && { afu-able-p } && [[ $LBUFFER != *$'\012'* ]] &&
{ auto-fu }
}
with-afu-compfuncs () {
compprefuncs=(afu-comppre)
comppostfuncs=(afu-comppost)
"$@"
}
with-afu-completer-vars () {
setopt localoptions no_recexact
local LISTMAX=999999
with-afu-compfuncs "$@"
}
auto-fu () {
cursor_cur="$CURSOR"
buffer_cur="$BUFFER"
with-afu-completer-vars zle complete-word
cursor_new="$CURSOR"
buffer_new="$BUFFER"
if [[ "$buffer_cur[1,cursor_cur]" == "$buffer_new[1,cursor_cur]" ]];
then
CURSOR="$cursor_cur"
{
local hi hiv
[[ $afu_one_match_p == t ]] && hi=completion/one || hi=completion
zstyle -s ':auto-fu:highlight' "$hi" hiv
[[ -z ${hiv} ]] || {
local -i end=$cursor_new
[[ $BUFFER[$cursor_new] == ' ' ]] && (( end-- ))
region_highlight=("$CURSOR $end ${hiv}")
}
}
if [[ "$buffer_cur" != "$buffer_new" ]] || ((cursor_cur != cursor_new))
then afu_in_p=1; {
local BUFFER="$buffer_cur"
local CURSOR="$cursor_cur"
with-afu-completer-vars zle list-choices
}
fi
else
BUFFER="$buffer_cur"
CURSOR="$cursor_cur"
zle list-choices
fi
}
zle -N auto-fu
afu-comppre () {}
afu-comppost () {
((compstate[list_lines] + BUFFERLINES + 2 > LINES)) && {
compstate[list]=''
zle -M "$compstate[list_lines]($compstate[nmatches]) too many matches..."
}
typeset -g afu_one_match_p=
(( $compstate[nmatches] == 1 )) && afu_one_match_p=t
}
afu+complete-word () {
afu-clearing-maybe
{ afu-able-p } || { zle complete-word; return; }
with-afu-completer-vars;
if ((afu_in_p == 1)); then
afu_in_p=0; CURSOR="$cursor_new"
case $LBUFFER[-1] in
(=) # --prefix= ⇒ complete-word again for `magic-space'ing the suffix
{ # TODO: this may not be accurate.
local x="${${(@z)LBUFFER}[-1]}"
[[ "$x" == -* ]] && zle complete-word && return
};;
(/) # path-ish ⇒ propagate auto-fu if it could be
{ # TODO: this may not be enough.
local y="((*-)#directories|all-files|(command|executable)s)"
y=${AUTO_FU_PATHITH:-${y}}
local -a x; x=${(M)${(@z)"${_lastcomp[tags]}"}:#${~y}}
zle complete-word
[[ -n $x ]] && zle -U "$LBUFFER[-1]"
return
};;
(,) # glob-ish ⇒ activate the `complete-word''s suffix
BUFFER="$buffer_cur"; zle complete-word;
return
;;
esac
(( $_lastcomp[nmatches] > 1 )) &&
# many matches ⇒ complete-word again to enter the menuselect
zle complete-word
(( $_lastcomp[nmatches] == 1 )) &&
# exact match ⇒ flag not using _oldlist for the next complete-word
_lastcomp[nmatches]=0
else
[[ $LASTWIDGET == afu+*~afu+complete-word ]] && {
afu_in_p=0; BUFFER="$buffer_cur"
}
zle complete-word
fi
}
zle -N afu+complete-word
[[ -z ${afu_zcompiling_p-} ]] && unset afu_zles
# NOTE: This is iffy. It dumps the necessary functions into ~/.zsh/auto-fu,
# then zrecompiles it into ~/.zsh/auto-fu.zwc.
afu-clean () {
local d=${1:-~/.zsh}
rm -f ${d}/{auto-fu,auto-fu.zwc*(N)}
}
afu-install-installer () {
local match mbegin mend
eval ${${${"$(<=(cat <<"EOT"
auto-fu-install () {
{ $body }
afu-install
typeset -ga afu_accept_lines
afu_accept_lines=($afu_accept_lines)
}
EOT
))"}/\$body/
$(print -l \
"# afu's all zle widgets expect own keymap+widgets stuff" \
${${${(M)${(@f)"$(zle -l -L)"}:#zle -N (afu+*|auto-fu*)}:#(\
${(j.|.)afu_zles/(#b)(*)/afu+$match})}/(#b)(*)/$match} \
"# keymap+widget machinaries" \
${afu_zles/(#b)(*)/zle -N $match ${match}-by-keymap} \
${afu_zles/(#b)(*)/zle -N afu+$match})
}/\$afu_accept_lines/$afu_accept_lines}
}
auto-fu-zcompile () {
local afu_zcompiling_p=t
local s=${1:?Please specify the source file itself.}
local d=${2:?Please specify the directory for the zcompiled file.}
shift 2 # "$@" is now point to rest of files for further customizations
local g=${d}/auto-fu
setopt localoptions extendedglob no_shwordsplit
echo "** zcompiling auto-fu in ${d} for a little faster startups..."
{ source ${s} >/dev/null 2>&1 } # Paranoid.
echo "mkdir -p ${d}" | sh -x
afu-clean ${d}
(($#@ > 0)) && {
eval "$({
autoload -Uz zargs
zargs -I{} -- "$@" -- echo source {}
})"
}
afu-install-installer
echo "* writing code ${g}"
{
local -a fs
: ${(A)fs::=${(Mk)functions:#(*afu*|*auto-fu*|*-by-keymap)}}
echo "#!zsh"
echo "# NOTE: Generated from auto-fu.zsh ($0). Please DO NOT EDIT."; echo
echo "$(functions \
${fs:#(afu-register-*|afu-initialize-*|afu-keymap+widget|\
afu-clean|afu-install-installer|auto-fu-zcompile)})"
}>! ${d}/auto-fu
echo -n '* '; autoload -U zrecompile && zrecompile -p -R ${g} && {
zmodload zsh/datetime
touch --date="$(strftime "%F %T" $((EPOCHSECONDS - 120)))" ${g}
[[ -z ${AUTO_FU_ZCOMPILE_NOKEEP-} ]] || { echo "rm -f ${g}" | sh -x }
echo "** All done."
echo "** Please update your .zshrc to load the zcompiled file like this,"
cat <<EOT
-- >8 --
## auto-fu.zsh stuff.
# source ${s/$HOME/~}
{ . ${g/$HOME/~}; auto-fu-install; }
zstyle ':auto-fu:highlight' input bold
zstyle ':auto-fu:highlight' completion fg=black,bold
zstyle ':auto-fu:highlight' completion/one fg=white,bold,underline
zstyle ':auto-fu:var' postdisplay $'\n-azfu-'
zstyle ':auto-fu:var' track-keymap-skip opp
zle-line-init () {auto-fu-init;}; zle -N zle-line-init
zle -N zle-keymap-select auto-fu-zle-keymap-select
-- 8< --
EOT
}
}