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history-search-multi-word/history-search-multi-word
Sebastian Gniazdowski 1dbbb371a0 Support for context of command (Ctrl-K, then Ctrl-N/Ctrl-P)
2016-11-12 15:55:21 +01:00

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# To use (when not using as plugin) copy to site-functions and issue
# (add to ~/.zshrc):
#
# autoload history-search-multi-word
# zle -N history-search-multi-word
# zle -N history-search-multi-word-backwards history-search-multi-word
# zle -N history-search-multi-word-pbackwards history-search-multi-word
# zle -N history-search-multi-word-pforwards history-search-multi-word
# bindkey "^R" history-search-multi-word
#
# This will bind to Ctrl-R
#
# Zstyles:
# zstyle ":history-search-multi-word" page-size "8"
# zstyle ":history-search-multi-word" highlight-color "fg=yellow,bold"
# zstyle ":plugin:history-search-multi-word" synhl "yes"
[[ "$__HSMW_MH_SOURCED" != "1" ]] && source "$HSMW_REPO_DIR/hsmw-highlight"
local right_brace_is_recognised_everywhere
integer path_dirs_was_set multi_func_def ointeractive_comments
-hsmw-highlight-fill-option-variables
emulate -LR zsh
setopt typesetsilent extendedglob noshortloops localtraps promptsubst
# When an error, then no cursor keys bindings
zmodload zsh/terminfo 2>/dev/null
zmodload zsh/termcap 2>/dev/null
typeset -g __hsmw_hcw_index
typeset -g __hsmw_hcw_widget_name __hsmw_hcw_restart __hsmw_hcw_call_count
typeset -g __hsmw_page_size __hsmw_hl_color __hsmw_synhl __hsmw_active __hsmw_no_check_paths
typeset -ga __hsmw_disp_list __hsmw_disp_list_newlines __hsmw_region_highlight_data
typeset -gi __hsmw_page_start_idx __hsmw_prev_offset __hsmw_recedit_trap_executed
typeset -gaU __hsmw_hcw_found
# Context variables
typeset -gi __hsmw_ctx __hsmw_ctx_idx __hsmw_ctx_text_idx __hsmw_ctx_which
typeset -gi __hsmw_ctx_page_start_idx __hsmw_ctx_prev_offset
typeset -g __hsmw_ctx_to_search
typeset -ga __hsmw_ctx_disp_list
typeset -gaU __hsmw_ctx_found
(( __hsmw_hcw_call_count ++ ))
trap '(( __hsmw_hcw_call_count -- )); return 0;' INT
if (( ${+functions[_hsmw_main]} == 0 )); then
_hsmw_main() {
# First call or restart?
if [[ "$__hsmw_hcw_call_count" -le 1 || "$__hsmw_hcw_restart" = "1" ]]; then
if [[ "$__hsmw_hcw_call_count" -le 1 ]]; then
# Read configuration data
zstyle -s ':history-search-multi-word' page-size __hsmw_page_size || __hsmw_page_size=$(( LINES / 3 ))
zstyle -s ':history-search-multi-word' highlight-color __hsmw_hl_color || __hsmw_hl_color="fg=yellow,bold"
zstyle -T ":plugin:history-search-multi-word" synhl && __hsmw_synhl=1 || __hsmw_synhl=0
zstyle -s ":plugin:history-search-multi-word" active __hsmw_active || __hsmw_active="underline"
zstyle -T ":plugin:history-search-multi-word" check-paths && __hsmw_no_check_paths=0 || __hsmw_no_check_paths=1
-hsmw-highlight-init
fi
# '0' will get changed into $to_display limit
[[ "$WIDGET" = *-word || "$WIDGET" = *-pforwards ]] && __hsmw_hcw_index="1"
[[ "$WIDGET" = *-backwards || "$WIDGET" = *-pbackwards ]] && __hsmw_hcw_index="0"
__hsmw_hcw_widget_name="${${${WIDGET%-backwards}-pbackwards}-pforwards}"
__hsmw_hcw_found=( )
__hsmw_hcw_finished="0"
__hsmw_hcw_restart="0"
__hsmw_page_start_idx=0
__hsmw_prev_offset=0
(( __hsmw_ctx )) && (( ${+functions[_hsmw_ctx_off]} )) && _hsmw_ctx_off 0
else
# Showing context?
if (( __hsmw_ctx )); then
hsmw-context-main
return
fi
# Consecutive call
[[ "$WIDGET" = *-word ]] && (( __hsmw_hcw_index ++ ))
[[ "$WIDGET" = *-backwards ]] && (( __hsmw_hcw_index -- ))
[[ "$WIDGET" = *-pforwards ]] && (( __hsmw_hcw_index = __hsmw_hcw_index + __hsmw_page_size ))
[[ "$WIDGET" = *-pbackwards ]] && (( __hsmw_hcw_index = __hsmw_hcw_index - __hsmw_page_size ))
fi
# Find history entries matching pattern *word1*~^*word2*~^*word3* etc.
local search_buffer="${BUFFER%% ##}" search_pattern="" colsearch_pattern="" nl=$'\n' MATCH MBEGIN MEND
search_buffer="${search_buffer## ##}"
search_buffer="${search_buffer//(#m)[][*?|#~^()><\\]/\\$MATCH}"
# Pattern will be *foo*~^*bar* (inventor: Mikael Magnusson)
# It's: foo and not what doesn't contain bar, etc.
search_pattern="${search_buffer// ##/*~^*}"
colsearch_pattern="${search_buffer// ##/|}"
if [[ "${#__hsmw_hcw_found[@]}" -eq "0" ]]; then
# The repeat will make the matching work on a fresh heap arena
repeat 1; do
# Tip: these are equal:
#__hsmw_hcw_found=( "${(@M)history:#(#i)*$~search_pattern*}" )
[[ -z "$search_pattern" ]] && __hsmw_hcw_found=( ${(@)history} ) || __hsmw_hcw_found=( "${(@)history[(R)(#i)*$~search_pattern*]}" )
done
fi
integer max_index="${#__hsmw_hcw_found[@]}"
if [[ "$max_index" -le "0" ]]; then
POSTDISPLAY=$'\n'"No matches found"
return 0
fi
#
# Pagination, index value guards
#
integer page_size="$__hsmw_page_size"
[[ "$page_size" -gt "$max_index" ]] && page_size="$max_index"
[[ "$__hsmw_hcw_index" -le 0 ]] && __hsmw_hcw_index="$max_index"
[[ "$__hsmw_hcw_index" -gt "$max_index" ]] && __hsmw_hcw_index=1
integer page_start_idx=$(( ((__hsmw_hcw_index-1)/page_size)*page_size+1 ))
integer on_page_idx=$(( (__hsmw_hcw_index-1) % page_size + 1 ))
#
# Prepare display
#
(( page_start_idx != __hsmw_page_start_idx )) && {
__hsmw_disp_list=( "${(@)__hsmw_hcw_found[page_start_idx,page_start_idx+page_size-1]}" )
# Don't do @ splitting, it's slower
__hsmw_disp_list_newlines=( $__hsmw_disp_list )
# Replace all new lines with "\n" text
__hsmw_disp_list=( "${(@)__hsmw_disp_list//$'\n'/\\n}" )
# Truncate to display width, preceede by two spaces
__hsmw_disp_list=( "${(@)__hsmw_disp_list/(#m)*/ ${MATCH[1,COLUMNS-8]}}" )
# The same with newlines adapted for syntax highlighting
__hsmw_disp_list_newlines=( "${(@)__hsmw_disp_list_newlines//$'\n'/ $nl}" )
__hsmw_disp_list_newlines=( "${(@)__hsmw_disp_list_newlines/(#m)*/ ${MATCH[1,COLUMNS-8]}}" )
}
#
# Detect where "> .." entry starts, add the ">" mark
#
local txt_before="${(F)${(@)__hsmw_disp_list[1,on_page_idx-1]}}"
local entry="${__hsmw_disp_list[on_page_idx]}"
local text="${(F)__hsmw_disp_list}"
integer replace_idx=${#txt_before}+2
(( replace_idx == 2 )) && replace_idx=1
text[replace_idx]=">"
#
# Colorify
#
local preamble=$'\n'"Ctrl-K for context of selected entry. Element #$__hsmw_hcw_index of $max_index"$'\n'
integer offset=${#preamble}+${#BUFFER}
POSTDISPLAY="$preamble$text"
if (( page_start_idx != __hsmw_page_start_idx || offset != __hsmw_prev_offset )); then
region_highlight=( )
if (( __hsmw_synhl )); then
integer pre_index=$offset
local line
for line in "${__hsmw_disp_list_newlines[@]}"; do
reply=( )
-hsmw-highlight-process "$line" "$pre_index"
region_highlight+=( $reply )
pre_index+=${#line}+1
done
fi
if [[ -n "$colsearch_pattern" ]]; then
__hsmw_region_highlight_data=( )
: "${text//(#mi)(${~colsearch_pattern})/$(( hsmw_append(MBEGIN,MEND) ))}"
region_highlight+=( $__hsmw_region_highlight_data )
fi
else
region_highlight[-1]=()
fi
__hsmw_page_start_idx=page_start_idx
__hsmw_prev_offset=offset
region_highlight+=( "$(( offset + ${#txt_before} )) $(( offset + ${#txt_before} + ${#entry} + 1 )) $__hsmw_active" )
}
_hsmw_shappend() {
__hsmw_region_highlight_data+=( "$(( offset + $1 - 1 )) $(( offset + $2 )) ${__hsmw_hl_color}" )
}
functions -M hsmw_append 2 2 _hsmw_shappend
fi
_hsmw_main
_hsmw_simulate_widget() {
(( __hsmw_hcw_call_count ++ ))
_hsmw_main
}
_hsmw_self_insert() {
LBUFFER+="${KEYS[-1]}"
__hsmw_hcw_restart="1"
_hsmw_simulate_widget
}
_hsmw_backward_delete_char() {
LBUFFER="${LBUFFER%?}"
__hsmw_hcw_restart="1"
_hsmw_simulate_widget
}
_hsmw_delete_char() {
RBUFFER="${RBUFFER#?}"
__hsmw_hcw_restart="1"
_hsmw_simulate_widget
}
_hsmw_cancel_accept() {
BUFFER=""
__hsmw_hcw_index=-1
zle .accept-line
}
_hsmw_backward_kill_word() {
zle .backward-kill-word
__hsmw_hcw_restart="1"
_hsmw_simulate_widget
}
if [[ "$__hsmw_hcw_call_count" -eq "1" ]]; then
# Make the hsmw keymap a copy of the current main
bindkey -N hsmw emacs
local down_widget="${${${WIDGET%-backwards}%-pbackwards}-pforwards}"
local up_widget="${down_widget}-backwards"
local pdown_widget="${down_widget}-pforwards"
local pup_widget="${down_widget}-pbackwards"
# Manual, termcap, terminfo
bindkey -M hsmw '^[OA' "$up_widget"
bindkey -M hsmw '^[OB' "$down_widget"
bindkey -M hsmw '^[[A' "$up_widget"
bindkey -M hsmw '^[[B' "$down_widget"
[[ -n "$termcap[ku]" ]] && bindkey -M hsmw "$termcap[ku]" "$up_widget"
[[ -n "$termcap[kd]" ]] && bindkey -M hsmw "$termcap[kd]" "$down_widget"
[[ -n "$termcap[kD]" ]] && bindkey -M hsmw "$termcap[kD]" .delete-char
[[ -n "$terminfo[kcuu1]" ]] && bindkey -M hsmw "$terminfo[kcuu1]" "$up_widget"
[[ -n "$terminfo[kcud1]" ]] && bindkey -M hsmw "$terminfo[kcud1]" "$down_widget"
[[ -n "$terminfo[kdch1]" ]] && bindkey -M hsmw "$terminfo[kdch1]" .delete-char
# More bindkeys, to remove influence of plugins that overload things (z-sy-h, z-au-s)
bindkey -M hsmw '^[[D' .backward-char
bindkey -M hsmw '^[[C' .forward-char
[[ -n "$termcap[kl]" ]] && bindkey -M hsmw "$termcap[kl]" .backward-char
[[ -n "$termcap[kr]" ]] && bindkey -M hsmw "$termcap[kr]" .forward-char
[[ -n "$terminfo[kcub1]" ]] && bindkey -M hsmw "$terminfo[kcub1]" .backward-char
[[ -n "$terminfo[kcuf1]" ]] && bindkey -M hsmw "$terminfo[kcuf1]" .forward-char
# Now Home/End keys, first few recorded in my .zshrc during the years sequences
bindkey -M hsmw "\e[1~" .beginning-of-line
bindkey -M hsmw "\e[7~" .beginning-of-line
bindkey -M hsmw "\e[H" .beginning-of-line
bindkey -M hsmw "\e[4~" .end-of-line
bindkey -M hsmw "\e[F" .end-of-line
bindkey -M hsmw "\e[8~" .end-of-line
[[ -n "$termcap[kh]" ]] && bindkey -M hsmw "$termcap[kh]" .beginning-of-line
[[ -n "$termcap[@7]" ]] && bindkey -M hsmw "$termcap[@7]" .end-of-line
[[ -n "$terminfo[khome]" ]] && bindkey -M hsmw "$terminfo[khome]" .beginning-of-line
[[ -n "$terminfo[kend]" ]] && bindkey -M hsmw "$terminfo[kend]" .end-of-line
# The same for Ctrl-E, Ctrl-F
bindkey -M hsmw '^A' .beginning-of-line
bindkey -M hsmw '^E' .end-of-line
# Additional keys
bindkey -M hsmw '^[b' .backward-word
bindkey -M hsmw '^[B' .backward-word
bindkey -M hsmw '^[f' .forward-word
bindkey -M hsmw '^[F' .forward-word
bindkey -M hsmw '^[w' .forward-word
bindkey -M hsmw '^[W' .forward-word
bindkey -M hsmw '^U' .kill-whole-line
zle -N _hsmw_backward_kill_word
bindkey -M hsmw '^W' _hsmw_backward_kill_word
# Additional keys
bindkey -M hsmw '^P' "$up_widget"
bindkey -M hsmw '^N' "$down_widget"
bindkey -M hsmw '^L' "$down_widget"
# Page Up, Page Down keys
[[ -n "$termcap[kP]" ]] && bindkey -M hsmw "$termcap[kP]" "$pup_widget"
[[ -n "$termcap[kN]" ]] && bindkey -M hsmw "$termcap[kN]" "$pdown_widget"
[[ -n "$terminfo[kpp]" ]] && bindkey -M hsmw "$terminfo[kpp]" "$pup_widget"
[[ -n "$terminfo[knp]" ]] && bindkey -M hsmw "$terminfo[knp]" "$pdown_widget"
# Context binding
zle -N -- hsmw-context-main
bindkey -M hsmw '^K' hsmw-context-main
# Needed for Fedora 23, zsh-5.1.1
bindkey -M hsmw ' ' self-insert
# Removal of default Ctrl-R binding
bindkey -M hsmw '^R' "$down_widget"
# Substitute self-insert, backward-delete-char, delete-char
zle -A self-insert hsmw-saved-self-insert
zle -A backward-delete-char hsmw-saved-backward-delete-char
zle -A delete-char hsmw-saved-delete-char
zle -N self-insert _hsmw_self_insert
zle -N backward-delete-char _hsmw_backward_delete_char
zle -N delete-char _hsmw_delete_char
# OMZ does funny things with zle-keymap-select
zle -la zle-keymap-select && {
zle -A zle-keymap-select hsmw-saved-zle-keymap-select
zle -D zle-keymap-select
}
# Override ourselves with what we actually are
# because zsh-autosuggestions change us
zle -A "$down_widget" hsmw-saved-"$down_widget"
zle -A "$up_widget" hsmw-saved-"$up_widget"
zle -N "$down_widget" _hsmw_simulate_widget
zle -N "$up_widget" _hsmw_simulate_widget
zle -A "$pdown_widget" hsmw-saved-"$pdown_widget"
zle -A "$pup_widget" hsmw-saved-"$pup_widget"
zle -N "$pdown_widget" _hsmw_simulate_widget
zle -N "$pup_widget" _hsmw_simulate_widget
# Add Ctrl-V binding to cancel search
# A workaround for Zsh versions like 5.0.2
zle -N _hsmw_cancel_accept
bindkey -M hsmw "^V" _hsmw_cancel_accept
bindkey -M hsmw "^[" _hsmw_cancel_accept
# Trap INT to manually interrupt Zle to work around a bug
__hsmw_recedit_trap_executed=0
trap '(( __hsmw_recedit_trap_executed == 0 )) && zle && { __hsmw_recedit_trap_executed=1; zle .send-break; }' INT
if zle .recursive-edit -K hsmw; then
trap '' INT
if [[ "$__hsmw_hcw_index" -gt "0" ]]; then
if (( __hsmw_ctx )); then
integer final_hist_found_idx the_index
final_hist_found_idx=__hsmw_ctx_text_idx+__hsmw_ctx_which-1
the_index="${__hsmw_ctx_found[final_hist_found_idx]}"
the_index+=__hsmw_ctx_idx
BUFFER="${history[$the_index]}"
else
BUFFER="${__hsmw_hcw_found[__hsmw_hcw_index]}"
fi
CURSOR="${#BUFFER}"
else
BUFFER=""
fi
else
trap '' INT
BUFFER=""
fi
POSTDISPLAY=""
(( ${+functions[_hsmw_ctx_off]} )) && _hsmw_ctx_off 0
# Restore self-insert, backward-delete-char, delete-char
zle -A hsmw-saved-self-insert self-insert
zle -A hsmw-saved-backward-delete-char backward-delete-char
zle -A hsmw-saved-delete-char delete-char
zle -D hsmw-saved-self-insert hsmw-saved-backward-delete-char hsmw-saved-delete-char
zle -la hsmw-saved-zle-keymap-select && {
zle -A hsmw-saved-zle-keymap-select zle-keymap-select
zle -D hsmw-saved-zle-keymap-select
}
# Restore ourselves
zle -A hsmw-saved-"$down_widget" "$down_widget"
zle -A hsmw-saved-"$up_widget" "$up_widget"
zle -D hsmw-saved-"$down_widget" hsmw-saved-"$up_widget"
zle -A hsmw-saved-"$pdown_widget" "$pdown_widget"
zle -A hsmw-saved-"$pup_widget" "$pup_widget"
zle -D hsmw-saved-"$pdown_widget" hsmw-saved-"$pup_widget"
# Full reinitialisation at next call
__hsmw_hcw_call_count="0"
# Free memory
#__hsmw_hcw_found=( )
elif (( __hsmw_hcw_call_count > 0 )); then
(( __hsmw_hcw_call_count -- ))
fi
# vim:ft=zsh
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