Rewrite snippy utility
It now handle:
* multiline {clipboard}
* cli {cursor} handling
* gui {cursor} handling for multiline snippets
This commit is contained in:
BarbUk
142
snippy
142
snippy
@@ -1,10 +1,12 @@
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#!/usr/bin/env bash
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#!/usr/bin/bash
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# video demo at: http://www.youtube.com/watch?v=90xoathBYfk
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# augmented by barbuk: https://github.com/BarbUk/dotfiles/blob/master/bin/snippy
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# . restore current clipboard
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# . {clipboard} placeholder to use current clipboard in snippet
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# . {cursor} placeholder to place the cursor
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# . go left to the correct position for cli and gui paste
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# . go up for block snippet for gui paste
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# . ##noparse header in snippet to not parse
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# . execute command begining by $
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#
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@@ -42,16 +44,20 @@
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# GUIPASTE="xdotool key ctrl+v"
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# CLIPASTE="xdotool key ctrl+shift+v"
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DIR=${HOME}/.snippy
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MENU_ENGINE="rofi"
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DMENU_ARGS='-dmenu -i -sort'
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readonly snippets_directory=${HOME}/.snippy
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readonly MENU_ENGINE="rofi"
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readonly DMENU_ARGS='-dmenu -i -sort'
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# if nothing happens, try "xdotool click 2", "xdotool key ctrl+v" or "xdotool key ctrl+shift+v"
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GUIPASTE="xdotool key ctrl+v"
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CLIPASTE="xdotool key ctrl+shift+v"
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readonly GUIPASTE="xdotool key ctrl+v"
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readonly CLIPASTE="xdotool key ctrl+shift+v"
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TMPFILE="/tmp/.snippy.tmp"; :>$TMPFILE
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readonly MENU_ARGS=${DMENU_ARGS}
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readonly cursor_placeholder="{cursor}"
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readonly clipboard_placeholder="{clipboard}"
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MENU_ARGS=${DMENU_ARGS}
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readonly tmpfile=$(mktemp)
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trap 'rm -f \$tmpfile' EXIT HUP INT TRAP TERM
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# smarty like template engine which executes inline bash in (bashdown) strings (replaces variables with values e.g.)
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# @link http://github.com/coderofsalvation/bashdown
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@@ -59,81 +65,121 @@ MENU_ARGS=${DMENU_ARGS}
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# @example: echo 'hi $NAME it is $(date)' | bashdown
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# fetches a document and interprets bashsyntax in string (bashdown) templates
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# @param string - string with bash(down) syntax (usually surrounded by ' quotes instead of ")
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bashdown(){
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bashdown() {
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while IFS= read -r line; do
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line="$(eval "printf -- \"$( printf "%s" "$line" | sed 's/"/\\"/g')\"")";
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echo -e "$line"
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done
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}
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is_gui(){
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# Detect if focused app is a terminal or a gui
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is_gui() {
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name="$(xprop -id "$(xdotool getwindowfocus)" WM_CLASS | cut -d'"' -f2 | tr '[:upper:]' '[:lower:]')"
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[[ "$name" =~ term|tilda|kitty|alacritty ]] && return 1
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return 0
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}
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run(){
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cd "${DIR}" || exit
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# Find the index of a string in a string
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strindex() {
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x="${1%%$2*}"
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[[ "$x" = "$1" ]] && echo -1 || echo "${#x}"
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}
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# Move the cursor up or left
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move_cursor() {
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local key=$1
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local count=$2
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local keys="End "
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if [[ $count -gt 0 ]]; then
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until [ "$count" -eq 0 ]; do
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keys+="${key} "
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((count-=1))
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done
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# shellcheck disable=SC2086
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xdotool key --delay 0.1 $keys
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fi
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}
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run() {
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cd "${snippets_directory}" || exit
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local current_clipboard cursor_line cursor_line_position cursor_line cursor_position cursor_line_lenght
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current_clipboard=$(xsel -b)
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# Use the filenames in the snippy directory as menu entries.
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# Get the menu selection from the user.
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# shellcheck disable=SC2086
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FILE=$(find -L . -type f | grep -v '^\.$' | sed 's!\.\/!!' | grep -vE '\.git/|\.gitconfig|\.gitkeep' | ${MENU_ENGINE} ${MENU_ARGS} -p '❯ ')
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# just return if nothing was selected
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[[ -z "${FILE}" ]] && return 1
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snippet=$( find -L . -type f \
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| grep -v '^\.$' \
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| sed 's!\.\/!!' \
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| grep -vE '\.git/|\.gitconfig|\.gitkeep' \
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| ${MENU_ENGINE} ${MENU_ARGS} -p '❯ ')
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if [ -f "${DIR}/${FILE}" ]; then
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# just return if nothing was selected
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[[ -z "${snippet}" ]] && return 1
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if [ -f "${snippets_directory}/${snippet}" ]; then
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# Put the contents of the selected file into the paste buffer.
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# don't parse file with the ##noparse header
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if grep -qE "^##noparse" "${FILE}"; then
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content="$(tail -n +2 "${DIR}/${FILE}")"
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if grep -qE "^##noparse" "${snippets_directory}/${snippet}"; then
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content="$( tail -n +2 "${snippets_directory}/${snippet}" )"
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else
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content="$(bashdown < "${DIR}/${FILE}")"
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content="$( bashdown < "${snippets_directory}/${snippet}" )"
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fi
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printf "%s" "$content" > $TMPFILE
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else [[ ${FILE} =~ ^$ ]]
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${FILE##*$} 2>/dev/null > $TMPFILE # execute as bashcommand
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# replace {clipboard} by the clipboard content
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# use awk to handle correctly multiline clipboard
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printf "%s" "$content" | awk \
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-v clipboard="$current_clipboard" \
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-v placeholder="$clipboard_placeholder" \
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'{ gsub(placeholder, clipboard); print }' > "$tmpfile"
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else [[ ${snippet} =~ ^$ ]]
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${snippet##*$} 2>/dev/null > "$tmpfile" # execute as bashcommand
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fi
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local current_clip cursor
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current_clip=$(xsel -b)
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# define cursor at 0, we don't need to go up if there is no {cursor}
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cursor=0
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# replace {clipboard} by the cliboard comtent
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sed -i -e "s~{clipboard}~${current_clip}~g" "$TMPFILE"
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# define cursor position and line at 0, we don't need to go up or left if there is no {cursor} placeholder
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cursor_line_position=0
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cursor_position=0
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# Check if there is a {cursor} placeholder
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if grep -qF '{cursor}' "$TMPFILE";then
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local file_lines
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if grep -qF $cursor_placeholder "$tmpfile"; then
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# retrieve the line number of the cursor placeholder
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cursor_line_position=$(grep -n "$cursor_placeholder" "$tmpfile" | cut -d: -f1)
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# retrieve the line
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cursor=$(grep -n '{cursor}' "$TMPFILE" | cut -d: -f1)
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cursor_line=$(grep $cursor_placeholder "$tmpfile")
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# calculate snippet total lines
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file_lines=$(wc -l < "$TMPFILE")
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# determine the number of line to go
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cursor=$((file_lines - cursor))
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file_lines=$(wc -l < "$tmpfile")
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# determine the number of line to go up
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cursor_line_position=$(( file_lines - cursor_line_position + 1 ))
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# Extract cursor position
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cursor_position=$(strindex "$cursor_line" $cursor_placeholder)
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# total cursor line lenght
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cursor_line_lenght=${#cursor_line}
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# Compute the final cursor position ( 8 is the lenght of the placeholder {cursor} )
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cursor_position=$(( cursor_line_lenght - cursor_position - 8 ))
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# remove the placeholder
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sed -i -e "s/{cursor}//g" "$TMPFILE"
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sed -i -e "s/$cursor_placeholder//g" "$tmpfile"
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fi
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xsel -b --input < "$TMPFILE"
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# Copy snippet in clipboard
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xsel -b --input < "$tmpfile"
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# Paste into the current application.
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if is_gui; then
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${GUIPASTE}
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# We need a little pause to handle the time to focus on the window
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sleep 0.1
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if [[ $cursor -gt 0 ]]; then
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local keyup
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until [ $cursor -eq 0 ]; do
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keyup+="Up "
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((cursor-=1))
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# shellcheck disable=SC2086
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xdotool key --delay -0.1 $keyup
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done
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fi
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${GUIPASTE}
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move_cursor "Up" $cursor_line_position
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else
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${CLIPASTE}
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fi
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echo -ne "$current_clip" | xsel -b --input
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move_cursor "Left" $cursor_position
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# Restore current clipboard
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echo -ne "$current_clipboard" | xsel -b --input
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}
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run
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