zsh-syntax-highlighting/contrib/keyword.zsh

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#!/usr/bin/env zsh
# -------------------------------------------------------------------------------------------------
# Copyright (c) 2010-2011 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
# -------------------------------------------------------------------------------------------------
# A simple keyword highlighting extension for zsh-syntax-highlighting.
# To use this, please do the following steps.
# 1) Source this file after zsh-syntax-highlighting.zsh
# % source zsh-syntax-highlighting.zsh
# % source contrib/keyword.zsh
# 2) Add keyword and color pairs to `ZSH_HIGHLIGHT_KEYWORD_KEYWORDS`.
# % ZSH_HIGHLIGHT_KEYWORD_KEYWORDS+=('rm -rf *' 'fg=white,bold,bg=red')
# 3) Please see the effect.
# % ;# rm -rf /tmp/doesnotexist
# List of keyword and color pairs.
typeset -gA ZSH_HIGHLIGHT_KEYWORD_KEYWORDS
_zsh_highlight-keyword() {
setopt localoptions extendedglob
for pattern in ${(k)ZSH_HIGHLIGHT_KEYWORD_KEYWORDS}; do
_zsh_highlight-keyword-loop "$BUFFER" "$pattern"
done
}
_zsh_highlight-keyword-loop() {
# This does *not* do its job syntactically, sorry.
local buf="$1"
local pat="$2"
local -a match mbegin mend
if [[ "$buf" == (#b)(*)(${~pat})* ]]; then
region_highlight+=("$((mbegin[2] - 1)) $mend[2] $ZSH_HIGHLIGHT_KEYWORD_KEYWORDS[$pat]")
"$0" "$match[1]" "$pat"; return $?
fi
}
_zsh_add-highlighter _zsh_highlight-keyword _zsh_buffer-modified-p