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path: root/.config/zsh/plugins/zsh-syntax-highlighting/highlighters/brackets/brackets-highlighter.zsh
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-rw-r--r--.config/zsh/plugins/zsh-syntax-highlighting/highlighters/brackets/brackets-highlighter.zsh107
1 files changed, 107 insertions, 0 deletions
diff --git a/.config/zsh/plugins/zsh-syntax-highlighting/highlighters/brackets/brackets-highlighter.zsh b/.config/zsh/plugins/zsh-syntax-highlighting/highlighters/brackets/brackets-highlighter.zsh
new file mode 100644
index 0000000..bc388fd
--- /dev/null
+++ b/.config/zsh/plugins/zsh-syntax-highlighting/highlighters/brackets/brackets-highlighter.zsh
@@ -0,0 +1,107 @@
+# -------------------------------------------------------------------------------------------------
+# Copyright (c) 2010-2017 zsh-syntax-highlighting contributors
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification, are permitted
+# provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this list of conditions
+# and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice, this list of
+# conditions and the following disclaimer in the documentation and/or other materials provided
+# with the distribution.
+# * Neither the name of the zsh-syntax-highlighting contributors nor the names of its contributors
+# may be used to endorse or promote products derived from this software without specific prior
+# written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# -------------------------------------------------------------------------------------------------
+# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
+# vim: ft=zsh sw=2 ts=2 et
+# -------------------------------------------------------------------------------------------------
+
+
+# Define default styles.
+: ${ZSH_HIGHLIGHT_STYLES[bracket-error]:=fg=red,bold}
+: ${ZSH_HIGHLIGHT_STYLES[bracket-level-1]:=fg=blue,bold}
+: ${ZSH_HIGHLIGHT_STYLES[bracket-level-2]:=fg=green,bold}
+: ${ZSH_HIGHLIGHT_STYLES[bracket-level-3]:=fg=magenta,bold}
+: ${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
+}