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# -*- mode: sh; sh-indentation: 4; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# -------------------------------------------------------------------------------------------------
# Copyright (c) 2018 Sebastian Gniazdowski
# Copyright (C) 2019 by Philippe Troin (F-i-f on GitHub)
# All rights reserved.
#
# The only licensing for this file follows.
#
# 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.
# -------------------------------------------------------------------------------------------------
setopt local_options extendedglob warn_create_global typeset_silent
# Keep chroma-takever state meaning: until ;, handle highlighting via chroma.
# So the below 8192 assignment takes care that next token will be routed to chroma.
(( next_word = 2 | 8192 ))
local __first_call="$1" __wrd="$2" __start_pos="$3" __end_pos="$4"
local __style option_start=0 option_end=0 number_start=0 number_end=0
local -a match mbegin mend
(( __first_call )) && {
# Called for the first time - new command.
# FAST_HIGHLIGHT is used because it survives between calls, and
# allows to use a single global hash only, instead of multiple
# global string variables.
FAST_HIGHLIGHT[ionice-option-argument]=0
# Set style for region_highlight entry. It is used below in
# '[[ -n "$__style" ]] ...' line, which adds highlight entry,
# like "10 12 fg=green", through `reply' array.
#
# Could check if command `example' exists and set `unknown-token'
# style instead of `command'
__style=${FAST_THEME_NAME}precommand
} || {
# Following call, i.e. not the first one
# Check if chroma should end – test if token is of type
# "starts new command", if so pass-through – chroma ends
[[ "$__arg_type" = 3 ]] && return 2
if (( in_redirection > 0 || this_word & 128 )) || [[ $__wrd == "<<<" ]]; then
return 1
fi
if (( FAST_HIGHLIGHT[ionice-option-argument] )); then
(( FAST_HIGHLIGHT[ionice-option-argument] = 0 ))
[[ $__wrd == [0-9]# ]] && __style=${FAST_THEME_NAME}mathnum || __style=${FAST_THEME_NAME}incorrect-subtle
else
case $__wrd in
--(class(data|)|(u|p(g|))id))
__style=${FAST_THEME_NAME}double-hyphen-option
FAST_HIGHLIGHT[ionice-option-argument]=1
;;
-[cnpPu])
__style=${FAST_THEME_NAME}single-hyphen-option
FAST_HIGHLIGHT[ionice-option-argument]=1
;;
--*)
__style=${FAST_THEME_NAME}double-hyphen-option
;;
-*)
__style=${FAST_THEME_NAME}single-hyphen-option
;;
*)
this_word=1
next_word=2
return 1
;;
esac
fi
}
# Add region_highlight entry (via `reply' array).
# If 1 will be added to __start_pos, this will highlight "oken".
# If 1 will be subtracted from __end_pos, this will highlight "toke".
# $PREBUFFER is for specific situations when users does command \<ENTER>
# i.e. when multi-line command using backslash is entered.
#
# This is a common place of adding such entry, but any above code can do
# it itself (and it does in other chromas) and skip setting __style to
# this way disable this code.
[[ -n "$__style" ]] && (( __start=__start_pos-${#PREBUFFER}, __end=__end_pos-${#PREBUFFER}, __start >= 0 )) && reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[$__style]}")
# We aren't passing-through, do obligatory things ourselves.
# _start_pos=$_end_pos advainces pointers in command line buffer.
#
# To pass through means to `return 1'. The highlighting of
# this single token is then done by fast-syntax-highlighting's
# main code and chroma doesn't have to do anything.
(( this_word = next_word ))
_start_pos=$_end_pos
return 0
# vim:ft=zsh:et:sw=4
|
