some addet plugins
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pika
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cb53b11b5d
commit
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3 changed files with 214 additions and 11 deletions
184
.bash/plugins/autopairs.sh
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184
.bash/plugins/autopairs.sh
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#!/usr/bin/env bash
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# Show where the matching open paren is when inserting a closing one. Disabling
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# as it hijacks the `)`, `]` and `}` characters to enable blinking.
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bind "set blink-matching-paren off"
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function __autopair() {
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local typed_char="$1"
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local opening_char="$2"
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local closing_char="$3"
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local cursor_char="${READLINE_LINE:READLINE_POINT:1}"
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local previous_char="${READLINE_LINE:READLINE_POINT-1:1}"
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local next_char="${READLINE_LINE:READLINE_POINT+1:1}"
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local s="${READLINE_LINE::READLINE_POINT}"
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# escaped character
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if [[ "$previous_char" == "\\" ]]; then
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s+="$typed_char"
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# ''""``
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elif [[ "$opening_char" == "$closing_char" ]]; then
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local num_of_char="${READLINE_LINE//\\$typed_char/}"
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num_of_char="${num_of_char//[^$typed_char]/}"
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num_of_char="${#num_of_char}"
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if [[ "$((num_of_char % 2))" -eq 1 ]]; then
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s+="$typed_char"
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elif [[ "$cursor_char" == "$closing_char" ]]; then
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:
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else
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s+="$typed_char$typed_char"
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fi
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# [{(
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elif [[ "$typed_char" == "$opening_char" ]]; then
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# TODO check right part string for balance
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s+="$opening_char$closing_char"
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# [ | ]{ | }( | ) and pressing ]})
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elif [[ "$typed_char" == "$closing_char" && "$cursor_char" == " " &&
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"$next_char" == "$closing_char" ]]; then
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s+=' '
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((READLINE_POINT++))
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# ]}): cursor is already on closing char
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elif [[ "$cursor_char" == "$closing_char" ]]; then
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# TODO check left and right string parts for balance
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:
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# ]})
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else
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s+="$typed_char"
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fi
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s+="${READLINE_LINE:READLINE_POINT}"
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READLINE_LINE="$s"
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((READLINE_POINT++))
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}
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function __autopair_space() {
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local magic_space_enabled_on_space="$1"
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local cursor_char="${READLINE_LINE:READLINE_POINT:1}"
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local previous_char="${READLINE_LINE:READLINE_POINT-1:1}"
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local next_char="${READLINE_LINE:READLINE_POINT+1:1}"
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local num_of_char
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local s="${READLINE_LINE::READLINE_POINT}"
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local rest="${READLINE_LINE:READLINE_POINT}"
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# The user pressed space, so we want to print at least one space no matter
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# what. If magic-space is enabled on the space bar, send a magic space. If
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# not, send a regular space.
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if [[ "$magic_space_enabled_on_space" -eq 1 ]]; then
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# https://unix.stackexchange.com/questions/213799#answer-213821
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bind '"\e[0n": magic-space' && printf '\e[5n'
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else
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s+=' '
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((READLINE_POINT++))
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fi
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for pair in "${__pairs[@]:3}"; do
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local opening_char="${pair:0:1}"
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local closing_char="${pair:1:1}"
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if [[ "$previous_char" == "$opening_char" && "$cursor_char" == "$closing_char" ]]; then
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s+=" "
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break
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fi
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done
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s+="$rest"
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READLINE_LINE="$s"
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}
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function __autopair_remove() {
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# empty line or backspace at the start of line
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if [[ "${#READLINE_LINE}" -eq 0 || "$READLINE_POINT" -eq 0 ]]; then
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return
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fi
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local s="${READLINE_LINE::READLINE_POINT-1}"
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local previous_char="${READLINE_LINE:READLINE_POINT-1:1}"
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local cursor_char="${READLINE_LINE:READLINE_POINT:1}"
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local pair
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local offset=0
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local loop_index=0
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local num_of_char
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for pair in "${__pairs[@]}"; do
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local minus_2_char="${READLINE_LINE:READLINE_POINT-2:1}"
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local next_char="${READLINE_LINE:READLINE_POINT+1:1}"
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# ()[]{}: delete first space in double space (e.g. {A|B}, delete space "A")
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if [[ "$previous_char" == ' ' ]] &&
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[[ "$cursor_char" == ' ' ]] &&
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[[ "$minus_2_char" == "${pair:0:1}" ]] &&
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[[ "$next_char" == "${pair:1:1}" ]]; then
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offset=1
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break
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# all pairs: delete the opening
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elif [[ "$previous_char" == "${pair:0:1}" ]] &&
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[[ "$cursor_char" == "${pair:1:1}" ]]; then
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# ''""``: delete results in balanced pairs on line
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if [[ "$loop_index" -lt 3 ]]; then
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num_of_char="${READLINE_LINE//[^${pair:0:1}]/}"
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num_of_char="${#num_of_char}"
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if [[ "$((num_of_char % 2))" -eq 1 ]]; then
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break
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fi
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fi
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# all pairs: delete whole pair
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offset=1
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break
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fi
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((loop_index++))
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done
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s+="${READLINE_LINE:READLINE_POINT+$offset}"
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READLINE_LINE="$s"
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((READLINE_POINT--))
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}
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__pairs=(
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"''"
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'""'
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'``'
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'()'
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'[]'
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'{}'
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)
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for pair in "${__pairs[@]:0:3}"; do
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bind -x "\"${pair:0:1}\": __autopair \\${pair:0:1} \\${pair:0:1} \\${pair:1:1}"
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done
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for pair in "${__pairs[@]:3}"; do
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bind -x "\"${pair:0:1}\": __autopair \\${pair:0:1} \\${pair:0:1} \\${pair:1:1}"
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bind -x "\"${pair:1:1}\": __autopair \\${pair:1:1} \\${pair:0:1} \\${pair:1:1}"
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done
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bind -x "\"\\\"\": __autopair \\\" \\\" \\\"" # `"` needs to be done separately
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unset pair
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bind -x '"\C-h": __autopair_remove'
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if [[ "$(bind -q magic-space)" =~ 'invoked via " "' ]]; then
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bind -x "\" \": __autopair_space 1"
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else
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bind -x "\" \": __autopair_space 0"
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fi
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if [[ -v BASH_AUTOPAIR_BACKSPACE ]]; then
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# https://lists.gnu.org/archive/html/bug-bash/2019-11/msg00129.html
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bind 'set bind-tty-special-chars off'
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bind -x '"\C-?": __autopair_remove'
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fi
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