mirror of
https://github.com/zdharma-continuum/history-search-multi-word
synced 2024-11-10 06:14:12 +00:00
170 lines
5.5 KiB
Bash
170 lines
5.5 KiB
Bash
# -*- Mode: sh; sh-indentation: 4; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# vim:ft=zsh:sw=4:sts=4:et
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__hsmw_ctx_prev_idx="$__hsmw_ctx_idx"
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[[ "$WIDGET" = *-word ]] && (( __hsmw_ctx_idx -- ))
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[[ "$WIDGET" = *-backwards ]] && (( __hsmw_ctx_idx ++ ))
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[[ "$WIDGET" = *-pforwards ]] && (( __hsmw_ctx_idx = __hsmw_ctx_idx - __hsmw_page_size ))
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[[ "$WIDGET" = *-pbackwards ]] && (( __hsmw_ctx_idx = __hsmw_ctx_idx + __hsmw_page_size ))
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_hsmw_ctx_up() {
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(( __hsmw_ctx_which -- ))
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(( __hsmw_ctx_which < 0 )) && __hsmw_ctx_which=${#__hsmw_ctx_found}-1
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__hsmw_ctx_idx=0
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_hsmw_ctx_main
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}
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_hsmw_ctx_down() {
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(( __hsmw_ctx_which ++ ))
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(( __hsmw_ctx_which >= ${#__hsmw_ctx_found} )) && __hsmw_ctx_which=0
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__hsmw_ctx_idx=0
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_hsmw_ctx_main
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}
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_hsmw_ctx_off() {
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__hsmw_ctx_to_search=""
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__hsmw_ctx_found=( )
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__hsmw_ctx_which=0
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__hsmw_ctx_idx=0
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__hsmw_ctx_page_start_idx=0
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__hsmw_ctx_prev_offset=0
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__hsmw_ctx=0
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# Reset main state so that it re-highlights
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__hsmw_prev_offset=0
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zle -la _hsmw_ctx_down && zle -D _hsmw_ctx_down
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zle -la _hsmw_ctx_up && zle -D _hsmw_ctx_up
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bindkey -M hsmw '^N' "history-search-multi-word"
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bindkey -M hsmw '^P' "history-search-multi-word-backwards"
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(( ${1}+0 )) && _hsmw_simulate_widget
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}
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if [[ "$WIDGET" = "hsmw-context-main" ]]; then
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__hsmw_ctx=1-__hsmw_ctx
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if (( __hsmw_ctx == 0 )); then
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_hsmw_ctx_off 1
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return
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fi
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zle -N _hsmw_ctx_down
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zle -N _hsmw_ctx_up
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bindkey -M hsmw '^N' "_hsmw_ctx_down"
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bindkey -M hsmw '^P' "_hsmw_ctx_up"
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fi
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_hsmw_ctx_main() {
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# The repeat will make the matching work on a fresh heap arena
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local to_search="${__hsmw_hcw_found[__hsmw_hcw_index]}" nl=$'\n'
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to_search="${to_search//(#m)[][*?|#~^()><\\]/\\$MATCH}"
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if [[ "$to_search" != "$__hsmw_ctx_to_search" ]]; then
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__hsmw_ctx_to_search="$to_search"
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repeat 1; do
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__hsmw_ctx_found=( "${(@kv)history[(R)$to_search]}" )
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__hsmw_ctx_text_idx="${__hsmw_ctx_found[(I)$to_search]}"
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if [[ "$__hsmw_ctx_text_idx" = "0" ]]; then
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_hsmw_ctx_off 1
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return 0
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fi
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__hsmw_ctx_found[__hsmw_ctx_text_idx]=()
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done
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fi
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integer final_hist_found_idx
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final_hist_found_idx=__hsmw_ctx_text_idx+__hsmw_ctx_which-1
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integer the_index="${__hsmw_ctx_found[final_hist_found_idx]}"
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the_index=the_index+__hsmw_ctx_idx
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integer max_index=$(( ${${(k)history[@]}[1]} + 1 ))
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if [[ "$max_index" -le "0" ]]; then
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POSTDISPLAY=$'\n'"No matches found"
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return 0
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fi
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#
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# Pagination, index value guards
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#
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integer page_size="$__hsmw_page_size"
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[[ "$page_size" -gt "$max_index" ]] && page_size="$max_index"
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[[ "$the_index" -le 0 ]] && { __hsmw_ctx_idx="$__hsmw_ctx_prev_idx"; the_index=1; }
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[[ "$the_index" -gt "$(( max_index - 1))" ]] && { __hsmw_ctx_idx="$__hsmw_ctx_prev_idx"; the_index="$(( max_index - 1 ))"; }
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integer page_start_idx=$(( ((the_index-1)/page_size)*page_size+1 ))
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integer on_page_idx=$(( page_size - (the_index - page_start_idx) ))
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#
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# Prepare display
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#
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if [[ "$page_start_idx" != "$__hsmw_ctx_page_start_idx" ]]; then
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integer idx
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__hsmw_ctx_disp_list=( )
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for (( idx = page_start_idx + page_size - 1; idx >= page_start_idx ; idx -- )); do
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__hsmw_ctx_disp_list+=( "${history[$idx]}" )
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done
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# Don't do @ splitting, it's slower
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__hsmw_ctx_disp_list_newlines=( "${__hsmw_ctx_disp_list[@]}" )
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# Replace all new lines with "\n" text
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__hsmw_ctx_disp_list=( "${(@)__hsmw_ctx_disp_list//$'\n'/\\n}" )
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# Truncate to display width, preceede by two spaces
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__hsmw_ctx_disp_list=( "${(@)__hsmw_ctx_disp_list/(#m)*/ ${MATCH[1,COLUMNS-8]}}" )
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# The same with newlines adapted for syntax highlighting
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__hsmw_ctx_disp_list_newlines=( "${(@)__hsmw_ctx_disp_list_newlines//$'\n'/ $nl}" )
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__hsmw_ctx_disp_list_newlines=( "${(@)__hsmw_ctx_disp_list_newlines/(#m)*/ ${MATCH[1,COLUMNS-8]}}" )
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fi
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#
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# Detect where "> .." entry starts, add the ">" mark
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#
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local txt_before="${(F)${(@)__hsmw_ctx_disp_list[1,on_page_idx-1]}}"
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local entry="${__hsmw_ctx_disp_list[on_page_idx]}"
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local text="${(F)__hsmw_ctx_disp_list}"
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integer replace_idx=${#txt_before}+2
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(( replace_idx == 2 )) && replace_idx=1
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text[replace_idx]=">"
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#
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# Colorify
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#
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local preamble=$'\n'"Showing context of history entry. Ctrl-K to return to search."
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local preamble2=$'\n'"Ctrl-N/P: next/previous occurence. Occurence #$(( __hsmw_ctx_which + 1 )) of ${#__hsmw_ctx_found}"
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preamble2=${(r:${#preamble}:: :)preamble2}$'\n'
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preamble+=$preamble2
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integer offset=${#preamble}+${#BUFFER}
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POSTDISPLAY="$preamble$text"
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if (( page_start_idx != __hsmw_ctx_page_start_idx || offset != __hsmw_ctx_prev_offset )); then
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region_highlight=( "${#BUFFER} $offset bg=22" )
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if (( __hsmw_synhl )); then
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integer pre_index=$offset
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local line
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for line in "${__hsmw_ctx_disp_list_newlines[@]}"; do
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reply=( )
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-hsmw-highlight-process "$line" "$pre_index"
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region_highlight+=( $reply )
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pre_index+=${#line}+1
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done
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fi
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else
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region_highlight[-1]=()
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fi
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__hsmw_ctx_page_start_idx=page_start_idx
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__hsmw_ctx_prev_offset=offset
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region_highlight+=( "$(( offset + ${#txt_before} )) $(( offset + ${#txt_before} + ${#entry} + 1 )) $__hsmw_active" )
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}
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_hsmw_ctx_main
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