Start splitting highlighters to separate files.
The script still works on its own, highlighters in highlighters/ are loaded as addons if present. Signed-off-by: Julien Nicoulaud <julien.nicoulaud@gmail.com>
This commit is contained in:
Julien Nicoulaud
parent
2f0fb81af4
commit
bc788f3f19
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@ -49,7 +49,7 @@ Here is a one-liner to try it without installing or modifying anything:
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## Tweak it
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Optionally, you can override the default styles used for highlighting. The styles are declared in the [`ZSH_HIGHLIGHT_STYLES`](https://github.com/nicoulaj/zsh-syntax-highlighting/blob/master/zsh-syntax-highlighting.zsh#L11) array. You can override styles this way:
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Optionally, you can override the default styles used for highlighting. The styles are declared in the `ZSH_HIGHLIGHT_STYLES` array. You can override styles this way:
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# To differentiate aliases from other command types
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ZSH_HIGHLIGHT_STYLES[alias]='fg=magenta,bold'
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@ -60,7 +60,7 @@ Optionally, you can override the default styles used for highlighting. The style
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# To disable highlighting of globbing expressions
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ZSH_HIGHLIGHT_STYLES[globbing]='none'
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You can tweak the styles used to colorize matching brackets by overriding the [`ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES`](https://github.com/nicoulaj/zsh-syntax-highlighting/blob/master/zsh-syntax-highlighting.zsh#L11).
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You can tweak the styles used to colorize matching brackets by overriding the `ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES`.
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ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES=(
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'fg=blue,bold' # Style for first level of imbrication
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@ -0,0 +1,89 @@
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#!/usr/bin/env zsh
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# -------------------------------------------------------------------------------------------------
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# Copyright (c) 2010-2011 zsh-syntax-highlighting contributors
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification, are permitted
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# provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this list of conditions
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# and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice, this list of
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# conditions and the following disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of the zsh-syntax-highlighting contributors nor the names of its contributors
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# may be used to endorse or promote products derived from this software without specific prior
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# written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# -------------------------------------------------------------------------------------------------
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# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
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# vim: ft=zsh sw=2 ts=2 et
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# -------------------------------------------------------------------------------------------------
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ZSH_HIGHLIGHT_STYLES+=(
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bracket-error 'fg=red,bold'
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)
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# Colors for bracket levels.
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# Put as many color as you wish.
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# Leave it as an empty array to disable.
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ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES=(
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'fg=blue,bold'
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'fg=green,bold'
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'fg=magenta,bold'
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'fg=yellow,bold'
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'fg=cyan,bold'
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)
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# Whether the bracket match highlighting shound be called or not.
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_zsh_highlight_bracket-match-p() {
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_zsh_highlight_cursor-moved-p || _zsh_highlight_buffer-modified-p
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}
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# Bracket match highlighting.
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_zsh_highlight_bracket-match() {
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bracket_color_size=${#ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES}
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if ((bracket_color_size > 0)); then
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typeset -A levelpos lastoflevel matching revmatching
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((level = 0))
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for pos in {1..${#BUFFER}}; do
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case $BUFFER[pos] in
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"("|"["|"{")
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levelpos[$pos]=$((++level))
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lastoflevel[$level]=$pos
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;;
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")"|"]"|"}")
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matching[$lastoflevel[$level]]=$pos
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revmatching[$pos]=$lastoflevel[$level]
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levelpos[$pos]=$((level--))
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;;
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esac
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done
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for pos in ${(k)levelpos}; do
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level=$levelpos[$pos]
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if ((level < 1)); then
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region_highlight+=("$((pos - 1)) $pos "$ZSH_HIGHLIGHT_STYLES[bracket-error])
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else
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region_highlight+=("$((pos - 1)) $pos "$ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES[(( (level - 1) % bracket_color_size + 1 ))])
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fi
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done
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((c = CURSOR + 1))
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if [[ -n $levelpos[$c] ]]; then
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((otherpos = -1))
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[[ -n $matching[$c] ]] && otherpos=$matching[$c]
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[[ -n $revmatching[$c] ]] && otherpos=$revmatching[$c]
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region_highlight+=("$((otherpos - 1)) $otherpos standout")
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fi
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fi
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}
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_zsh_highlight_add-highlighter _zsh_highlight_bracket-match
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@ -28,6 +28,7 @@
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# vim: ft=zsh sw=2 ts=2 et
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# -------------------------------------------------------------------------------------------------
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# A simple keyword highlighting extension for zsh-syntax-highlighting.
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# To use this, please do the following steps.
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@ -29,83 +29,12 @@
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# -------------------------------------------------------------------------------------------------
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# Token types styles.
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# -------------------------------------------------------------------------------------------------
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# Core highligting update system
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# -------------------------------------------------------------------------------------------------
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# Array used by highlighters to declare overridable styles.
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typeset -gA ZSH_HIGHLIGHT_STYLES
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ZSH_HIGHLIGHT_STYLES=(
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default 'none'
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unknown-token 'fg=red,bold'
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reserved-word 'fg=yellow'
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alias 'fg=green'
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builtin 'fg=green'
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function 'fg=green'
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command 'fg=green'
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hashed-command 'fg=green'
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path 'underline'
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globbing 'fg=blue'
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history-expansion 'fg=blue'
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single-hyphen-option 'none'
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double-hyphen-option 'none'
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back-quoted-argument 'none'
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single-quoted-argument 'fg=yellow'
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double-quoted-argument 'fg=yellow'
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dollar-double-quoted-argument 'fg=cyan'
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back-double-quoted-argument 'fg=cyan'
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bracket-error 'fg=red,bold'
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assign 'none'
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)
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# Colors for bracket levels.
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# Put as many color as you wish.
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# Leave it as an empty array to disable.
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ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES=(
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'fg=blue,bold'
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'fg=green,bold'
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'fg=magenta,bold'
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'fg=yellow,bold'
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'fg=cyan,bold'
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)
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# Tokens that are always immediately followed by a command.
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ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS=(
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'|' '||' ';' '&' '&&' 'noglob' 'nocorrect' 'builtin'
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)
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# Check if the argument is variable assignment
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_zsh_highlight_check-assign() {
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setopt localoptions extended_glob
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[[ ${(Q)arg} == [[:alpha:]_]([[:alnum:]_])#=* ]]
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}
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# Check if the argument is a path.
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_zsh_highlight_check-path() {
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[[ -z ${(Q)arg} ]] && return 1
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[[ -e ${(Q)arg} ]] && return 0
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[[ ! -e ${(Q)arg:h} ]] && return 1
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[[ ${#BUFFER} == $end_pos && -n $(print ${(Q)arg}*(N)) ]] && return 0
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return 1
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}
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# Highlight special chars inside double-quoted strings
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_zsh_highlight_highlight_string() {
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setopt localoptions noksharrays
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local i j k style
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# Starting quote is at 1, so start parsing at offset 2 in the string.
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for (( i = 2 ; i < end_pos - start_pos ; i += 1 )) ; do
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(( j = i + start_pos - 1 ))
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(( k = j + 1 ))
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case "$arg[$i]" in
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'$') style=$ZSH_HIGHLIGHT_STYLES[dollar-double-quoted-argument];;
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"\\") style=$ZSH_HIGHLIGHT_STYLES[back-double-quoted-argument]
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(( k += 1 )) # Color following char too.
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(( i += 1 )) # Skip parsing the escaped char.
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;;
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*) continue;;
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esac
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region_highlight+=("$j $k $style")
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done
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}
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# Recolorize the current ZLE buffer.
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# An `object' implemented by below 3 arrays' elements could be called a
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# `highlighter', registered by `_zsh_highlight_add-highlighter`. In other words, these
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@ -171,17 +100,79 @@ _zsh_highlight_cursor-moved-p() {
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((ZSH_PRIOR_CURSOR != $CURSOR))
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}
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# Register a highlighting function.
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# Register an highlighter.
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_zsh_highlight_add-highlighter() {
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local func="$1" pred="${2-${1}-p}" cache_place="${3-${1//-/_}}"
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zsh_highlight_functions+=$func
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zsh_highlight_predicates+=$pred
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zsh_highlight_caches+=$cache_place
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zsh_highlight_functions+="$1"
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zsh_highlight_predicates+="${2-${1}-p}"
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zsh_highlight_caches+="${3-${1//-/_}}"
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}
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# Register the builtin highlighters.
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_zsh_highlight_add-highlighter _zsh_main-highlight _zsh_highlight_buffer-modified-p
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_zsh_highlight_add-highlighter _zsh_highlight_bracket-match
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# -------------------------------------------------------------------------------------------------
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# Main highlighter
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# -------------------------------------------------------------------------------------------------
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ZSH_HIGHLIGHT_STYLES+=(
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default 'none'
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unknown-token 'fg=red,bold'
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reserved-word 'fg=yellow'
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alias 'fg=green'
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builtin 'fg=green'
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function 'fg=green'
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command 'fg=green'
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hashed-command 'fg=green'
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path 'underline'
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globbing 'fg=blue'
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history-expansion 'fg=blue'
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single-hyphen-option 'none'
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double-hyphen-option 'none'
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back-quoted-argument 'none'
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single-quoted-argument 'fg=yellow'
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double-quoted-argument 'fg=yellow'
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dollar-double-quoted-argument 'fg=cyan'
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back-double-quoted-argument 'fg=cyan'
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assign 'none'
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)
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# Tokens that are always immediately followed by a command.
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ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS=(
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'|' '||' ';' '&' '&&' 'noglob' 'nocorrect' 'builtin'
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)
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# Check if the argument is variable assignment
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_zsh_highlight_check-assign() {
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setopt localoptions extended_glob
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[[ ${(Q)arg} == [[:alpha:]_]([[:alnum:]_])#=* ]]
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}
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# Check if the argument is a path.
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_zsh_highlight_check-path() {
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[[ -z ${(Q)arg} ]] && return 1
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[[ -e ${(Q)arg} ]] && return 0
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[[ ! -e ${(Q)arg:h} ]] && return 1
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[[ ${#BUFFER} == $end_pos && -n $(print ${(Q)arg}*(N)) ]] && return 0
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return 1
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}
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# Highlight special chars inside double-quoted strings
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_zsh_highlight_highlight_string() {
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setopt localoptions noksharrays
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local i j k style
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# Starting quote is at 1, so start parsing at offset 2 in the string.
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for (( i = 2 ; i < end_pos - start_pos ; i += 1 )) ; do
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(( j = i + start_pos - 1 ))
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(( k = j + 1 ))
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case "$arg[$i]" in
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'$') style=$ZSH_HIGHLIGHT_STYLES[dollar-double-quoted-argument];;
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"\\") style=$ZSH_HIGHLIGHT_STYLES[back-double-quoted-argument]
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(( k += 1 )) # Color following char too.
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(( i += 1 )) # Skip parsing the escaped char.
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;;
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*) continue;;
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esac
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region_highlight+=("$j $k $style")
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done
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}
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# Core syntax highlighting.
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_zsh_main-highlight() {
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@ -246,63 +237,22 @@ _zsh_main-highlight() {
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done
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}
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# Whether the bracket match highlighting shound be called or not.
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_zsh_highlight_bracket-match-p() {
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_zsh_highlight_cursor-moved-p || _zsh_highlight_buffer-modified-p
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}
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# Bracket match highlighting.
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_zsh_highlight_bracket-match() {
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# Bracket matching
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bracket_color_size=${#ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES}
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if ((bracket_color_size > 0)); then
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typeset -A levelpos lastoflevel matching revmatching
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((level = 0))
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for pos in {1..${#BUFFER}}; do
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case $BUFFER[pos] in
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"("|"["|"{")
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levelpos[$pos]=$((++level))
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lastoflevel[$level]=$pos
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;;
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")"|"]"|"}")
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matching[$lastoflevel[$level]]=$pos
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revmatching[$pos]=$lastoflevel[$level]
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levelpos[$pos]=$((level--))
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;;
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esac
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done
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for pos in ${(k)levelpos}; do
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level=$levelpos[$pos]
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if ((level < 1)); then
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region_highlight+=("$((pos - 1)) $pos "$ZSH_HIGHLIGHT_STYLES[bracket-error])
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else
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region_highlight+=("$((pos - 1)) $pos "$ZSH_HIGHLIGHT_MATCHING_BRACKETS_STYLES[(( (level - 1) % bracket_color_size + 1 ))])
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fi
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done
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((c = CURSOR + 1))
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if [[ -n $levelpos[$c] ]]; then
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((otherpos = -1))
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[[ -n $matching[$c] ]] && otherpos=$matching[$c]
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[[ -n $revmatching[$c] ]] && otherpos=$revmatching[$c]
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region_highlight+=("$((otherpos - 1)) $otherpos standout")
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fi
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fi
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}
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# -------------------------------------------------------------------------------------------------
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# Setup
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# -------------------------------------------------------------------------------------------------
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# Special treatment for completion/expansion events:
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# For each *complete* function (except 'accept-and-menu-complete'),
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# we create a widget which mimics the original
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# and use this orig-* version inside the new colorized zle function (the dot
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# idiom used for all others doesn't work right for these functions for some
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# reason). You can see the default setup using "zle -l -L".
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# Bind all ZLE events from zle -la to highlighting function.
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# Setup highlighting.
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_zsh_highlight_install() {
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# Resolve event names what have to be bound to.
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zmodload zsh/zleparameter 2>/dev/null || {
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echo 'zsh-syntax-highlighting:zmodload error. exiting.' >&2
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return -1
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}
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local -a events; : ${(A)events::=${@:#(_*|orig-*|.run-help|.which-command)}}
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# Bind the events to _zsh_highlight-zle-buffer.
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local clean_event
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for event in $events; do
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if [[ "$widgets[$event]" == completion:* ]]; then
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@ -327,5 +277,15 @@ _zsh_highlight_install() {
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esac
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fi
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done
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# Register the main highlighter.
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_zsh_highlight_add-highlighter _zsh_main-highlight _zsh_highlight_buffer-modified-p
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# Load additional highlighters if available.
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local highlighters_dir=${$(command readlink -f ${(%):-%N}):h}/highlighters
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if [[ -d $highlighters_dir ]]; then
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for highlighter_def ($highlighters_dir/*.zsh) . $highlighter_def
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fi
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}
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_zsh_highlight_install "${(@f)"$(zle -la)"}"
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