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84 lines
3.1 KiB
84 lines
3.1 KiB
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# shellcheck source=hooks.sh
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. ~/.resh/hooks.sh
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__resh_helper_arrow_pre() {
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# set prefix
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__RESH_PREFIX=${BUFFER:0:CURSOR}
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# cursor not at the end of the line => end "NO_PREFIX_MODE"
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[ "$CURSOR" -ne "${#BUFFER}" ] && __RESH_HIST_NO_PREFIX_MODE=0
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# if user made any edits from last recall action => restart histno AND deactivate "NO_PREFIX_MODE"
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[ "$BUFFER" != "$__RESH_HIST_PREV_LINE" ] && __RESH_HISTNO=0 && __RESH_HIST_NO_PREFIX_MODE=0
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# "NO_PREFIX_MODE" => set prefix to empty string
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[ "$__RESH_HIST_NO_PREFIX_MODE" -eq 1 ] && __RESH_PREFIX=""
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# append curent recall action
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__RESH_HIST_RECALL_ACTIONS="$__RESH_HIST_RECALL_ACTIONS;arrow_up:$__RESH_PREFIX"
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# histno == 0 => save current line
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[ $__RESH_HISTNO -eq 0 ] && __RESH_HISTNO_ZERO_LINE=$BUFFER
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}
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__resh_helper_arrow_post() {
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# cursor at the beginning of the line => activate "NO_PREFIX_MODE"
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[ "$CURSOR" -eq 0 ] && __RESH_HIST_NO_PREFIX_MODE=1
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# "NO_PREFIX_MODE" => move cursor to the end of the line
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[ "$__RESH_HIST_NO_PREFIX_MODE" -eq 1 ] && CURSOR=${#BUFFER}
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# save current line so we can spot user edits next time
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__RESH_HIST_PREV_LINE=$BUFFER
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}
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__resh_widget_arrow_up() {
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# run helper function
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__resh_helper_arrow_pre
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# increment histno
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(( __RESH_HISTNO++ ))
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# back at histno == 0 => restore original line
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if [ $__RESH_HISTNO -eq 0 ]; then
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BUFFER=$__RESH_HISTNO_ZERO_LINE
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else
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# run recall
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local NEW_BUFFER
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NEW_BUFFER="$(__resh_collect --recall --histno "$__RESH_HISTNO" --prefix-search "$__RESH_PREFIX" 2> ~/.resh/arrow_up_last_run_out.txt)"
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# IF new buffer in non-empty THEN use the new buffer ELSE revert histno change
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# shellcheck disable=SC2015
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[ ${#NEW_BUFFER} -gt 0 ] && BUFFER=$NEW_BUFFER || (( __RESH_HISTNO-- ))
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fi
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# run post helper
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__resh_helper_arrow_post
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}
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__resh_widget_arrow_down() {
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# run helper function
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__resh_helper_arrow_pre
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# increment histno
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(( __RESH_HISTNO-- ))
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# prevent HISTNO from getting negative (for now)
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[ $__RESH_HISTNO -lt 0 ] && __RESH_HISTNO=0
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# back at histno == 0 => restore original line
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if [ $__RESH_HISTNO -eq 0 ]; then
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BUFFER=$__RESH_HISTNO_ZERO_LINE
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else
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# run recall
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local NEW_BUFFER
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NEW_BUFFER="$(__resh_collect --recall --histno "$__RESH_HISTNO" --prefix-search "$__RESH_PREFIX" 2> ~/.resh/arrow_down_last_run_out.txt)"
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# IF new buffer in non-empty THEN use the new buffer ELSE revert histno change
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# shellcheck disable=SC2015
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[ ${#NEW_BUFFER} -gt 0 ] && BUFFER=$NEW_BUFFER || (( __RESH_HISTNO++ ))
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fi
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__resh_helper_arrow_post
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}
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__resh_widget_control_R() {
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local __RESH_LBUFFER=${BUFFER:0:CURSOR}
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__RESH_HIST_RECALL_ACTIONS="$__RESH_HIST_RECALL_ACTIONS;control_R:$__RESH_LBUFFER"
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# resh-collect --hstr
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hstr
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}
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__resh_widget_arrow_up_compat() {
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__bindfunc_compat_wrapper __resh_widget_arrow_up
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}
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__resh_widget_arrow_down_compat() {
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__bindfunc_compat_wrapper __resh_widget_arrow_down
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}
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__resh_widget_control_R_compat() {
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__bindfunc_compat_wrapper __resh_widget_control_R
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}
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