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80 lines
2.1 KiB
Text
80 lines
2.1 KiB
Text
# Implementation of some functionality of the popular vim surround plugin.
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# Allows "surroundings" to be changes: parentheses, brackets and quotes.
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# To use
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# autoload -Uz surround
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# zle -N delete-surround surround
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# zle -N add-surround surround
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# zle -N change-surround surround
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# bindkey -a cs change-surround
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# bindkey -a ds delete-surround
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# bindkey -a ys add-surround
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# bindkey -M visual S add-surround
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#
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# This doesn't allow yss to operate on a line but VS will work
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setopt localoptions noksharrays
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autoload -Uz select-quoted select-bracketed
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local before after
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local -A matching
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matching=( \( \) \{ \} \< \> \[ \] )
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zle -f vichange
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case $WIDGET in
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change-*)
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local MARK="$MARK" CURSOR="$CURSOR" call
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read -k 1 before
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if [[ ${(kvj::)matching} = *$before* ]]; then
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call=select-bracketed
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else
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call=select-quoted
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fi
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read -k 1 after
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$call "a$before" || return 1
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before="$after"
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if [[ -n $matching[$before] ]]; then
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after=" $matching[$before]"
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before+=' '
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elif [[ -n $matching[(r)[$before:q]] ]]; then
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before="${(k)matching[(r)[$before:q]]}"
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fi
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BUFFER[CURSOR]="$after"
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BUFFER[MARK+1]="$before"
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CURSOR=MARK
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;;
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delete-*)
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local MARK="$MARK" CURSOR="$CURSOR" call
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read -k 1 before
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if [[ ${(kvj::)matching} = *$before* ]]; then
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call=select-bracketed
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else
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call=select-quoted
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fi
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if $call "a$before"; then
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BUFFER[CURSOR]=''
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BUFFER[MARK+1]=''
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CURSOR=MARK
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fi
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;;
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add-*)
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local save_cut="$CUTBUFFER"
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zle .vi-change || return
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local save_cur="$CURSOR"
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zle .vi-cmd-mode
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read -k 1 before
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after="$before"
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if [[ -n $matching[$before] ]]; then
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after=" $matching[$before]"
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before+=' '
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elif [[ -n $matching[(r)[$before:q]] ]]; then
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before="${(k)matching[(r)[$before:q]]}"
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fi
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CUTBUFFER="$before$CUTBUFFER$after"
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if [[ CURSOR -eq 0 || $BUFFER[CURSOR] = $'\n' ]]; then
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zle .vi-put-before -n 1
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else
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zle .vi-put-after -n 1
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fi
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CUTBUFFER="$save_cut" CURSOR="$save_cur"
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;;
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esac
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