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Autoload highlighters

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This commit is contained in:
Matthew Martin 2020-08-09 19:33:44 -05:00
commit b62aeb6168
22 changed files with 2287 additions and 1907 deletions
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69
highlighters/brackets/brackets-highlighter.zsh
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@ -36,72 +36,3 @@
: ${ZSH_HIGHLIGHT_STYLES[bracket-level-4]:=fg=yellow,bold}
: ${ZSH_HIGHLIGHT_STYLES[bracket-level-5]:=fg=cyan,bold}
: ${ZSH_HIGHLIGHT_STYLES[cursor-matchingbracket]:=standout}
# Whether the brackets highlighter should be called or not.
_zsh_highlight_highlighter_brackets_predicate()
{
[[ $WIDGET == zle-line-finish ]] || _zsh_highlight_cursor_moved || _zsh_highlight_buffer_modified
}
# Brackets highlighting function.
_zsh_highlight_highlighter_brackets_paint()
{
local char style
local -i bracket_color_size=${#ZSH_HIGHLIGHT_STYLES[(I)bracket-level-*]} buflen=${#BUFFER} level=0 matchingpos pos
local -A levelpos lastoflevel matching
# Find all brackets and remember which one is matching
pos=0
for char in ${(s..)BUFFER} ; do
(( ++pos ))
case $char in
["([{"])
levelpos[$pos]=$((++level))
lastoflevel[$level]=$pos
;;
[")]}"])
if (( level > 0 )); then
matchingpos=$lastoflevel[$level]
levelpos[$pos]=$((level--))
if _zsh_highlight_brackets_match $matchingpos $pos; then
matching[$matchingpos]=$pos
matching[$pos]=$matchingpos
fi
else
levelpos[$pos]=-1
fi
;;
esac
done
# Now highlight all found brackets
for pos in ${(k)levelpos}; do
if (( $+matching[$pos] )); then
if (( bracket_color_size )); then
_zsh_highlight_add_highlight $((pos - 1)) $pos bracket-level-$(( (levelpos[$pos] - 1) % bracket_color_size + 1 ))
fi
else
_zsh_highlight_add_highlight $((pos - 1)) $pos bracket-error
fi
done
# If cursor is on a bracket, then highlight corresponding bracket, if any.
if [[ $WIDGET != zle-line-finish ]]; then
pos=$((CURSOR + 1))
if (( $+levelpos[$pos] )) && (( $+matching[$pos] )); then
local -i otherpos=$matching[$pos]
_zsh_highlight_add_highlight $((otherpos - 1)) $otherpos cursor-matchingbracket
fi
fi
}
# Helper function to differentiate type
_zsh_highlight_brackets_match()
{
case $BUFFER[$1] in
\() [[ $BUFFER[$2] == \) ]];;
\[) [[ $BUFFER[$2] == \] ]];;
\{) [[ $BUFFER[$2] == \} ]];;
*) false;;
esac
}