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77 lines
3.1 KiB
77 lines
3.1 KiB
# vim:ft=zsh:sw=4:sts=4
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#
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# $1 - PREBUFFER
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# $2 - BUFFER
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#
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function -fast-highlight-string-process {
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emulate -LR zsh
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setopt extendedglob warncreateglobal typesetsilent
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local -A pos_to_level level_to_pos pair_map final_pairs
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local input=$1$2 _mybuf=$1$2 __style __quoting
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integer __idx=0 __pair_idx __level=0 __start __end
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local -a match mbegin mend
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pair_map=( "(" ")" "{" "}" "[" "]" )
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while [[ $_mybuf = (#b)([^"{}()[]\\\"'"]#)((["({[]})\"'"])|[\\](*))(*) ]]; do
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if [[ -n ${match[4]} ]] {
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__idx+=${mbegin[2]}
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[[ $__quoting = \' ]] && _mybuf=${match[4]} || { _mybuf=${match[4]:1}; (( ++ __idx )); }
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} else {
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__idx+=${mbegin[2]}
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[[ -z $__quoting && -z ${_FAST_COMPLEX_BRACKETS[(r)$((__idx-${#PREBUFFER}-1))]} ]] && {
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if [[ ${match[2]} = ["({["] ]]; then
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pos_to_level[$__idx]=$(( ++__level ))
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level_to_pos[$__level]=$__idx
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elif [[ ${match[2]} = ["]})"] ]]; then
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if (( __level > 0 )); then
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__pair_idx=${level_to_pos[$__level]}
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pos_to_level[$__idx]=$(( __level -- ))
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[[ ${pair_map[${input[__pair_idx]}]} = ${input[__idx]} ]] && {
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final_pairs[$__idx]=$__pair_idx
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final_pairs[$__pair_idx]=$__idx
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}
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else
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pos_to_level[$__idx]=-1
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fi
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fi
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}
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if [[ ${match[2]} = \" && $__quoting != \' ]] {
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[[ $__quoting = '"' ]] && __quoting="" || __quoting='"';
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}
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if [[ ${match[2]} = \' && $__quoting != \" ]] {
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if [[ $__quoting = ("'"|"$'") ]] {
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__quoting=""
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} else {
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if [[ $match[1] = *\$ ]] {
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__quoting="\$'";
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} else {
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__quoting="'";
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}
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}
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}
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_mybuf=${match[5]}
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}
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done
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for __idx in ${(k)pos_to_level}; do
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(( ${+final_pairs[$__idx]} )) && __style=${FAST_THEME_NAME}bracket-level-$(( ( (pos_to_level[$__idx]-1) % 3 ) + 1 )) || __style=${FAST_THEME_NAME}unknown-token
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(( __start=__idx-${#PREBUFFER}-1, __end=__idx-${#PREBUFFER}, __start >= 0 )) && \
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reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[$__style]}")
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done
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# If cursor is on a bracket, then highlight corresponding bracket, if any.
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if [[ $WIDGET != zle-line-finish ]]; then
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__idx=$(( CURSOR + 1 ))
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if (( ${+pos_to_level[$__idx]} )) && (( ${+final_pairs[$__idx]} )); then
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(( __start=final_pairs[$__idx]-${#PREBUFFER}-1, __end=final_pairs[$__idx]-${#PREBUFFER}, __start >= 0 )) && \
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reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[${FAST_THEME_NAME}paired-bracket]}") && \
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reply+=("$CURSOR $__idx ${FAST_HIGHLIGHT_STYLES[${FAST_THEME_NAME}paired-bracket]}")
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fi
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fi
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return 0
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}
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