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# -*- mode: sh; sh-indentation: 4; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# Copyright (c) 2018 Sebastian Gniazdowski
#
# Highlights the special sequences like "%s" in string passed to `printf'.
#
# $1 - 0 or 1, denoting if it's first call to the chroma, or following one
#
# $2 - the current token, also accessible by $__arg from the above scope -
# basically a private copy of $__arg; the token can be eg.: "grep"
#
# $3 - a private copy of $_start_pos, i.e. the position of the token in the
# command line buffer, used to add region_highlight entry (see man),
# because Zsh colorizes by *ranges* in command line buffer
#
# $4 - a private copy of $_end_pos from the above scope
#
(( next_word = 2 | 8192 ))
local __first_call="$1" __wrd="$2" __start_pos="$3" __end_pos="$4"
local __style __val
integer __idx1 __idx2
# First call, i.e. command starts, i.e. "grep" token etc.
(( __first_call )) && {
FAST_HIGHLIGHT[chroma-printf-counter]=0
FAST_HIGHLIGHT[chroma-printf-counter-all]=1
FAST_HIGHLIGHT[chroma-printf-message]=""
FAST_HIGHLIGHT[chroma-printf-skip-two]=0
return 1
# Following call (not first one).
} || {
if (( in_redirection > 0 || this_word & 128 )) || [[ $__wrd == "<<<" ]]; then
return 1
fi
(( FAST_HIGHLIGHT[chroma-printf-counter-all] += 1, __idx2 = FAST_HIGHLIGHT[chroma-printf-counter-all] ))
# Check if chroma should end – test if token is of type
# "starts new command", if so pass-through – chroma ends
[[ "$__arg_type" = 3 ]] && return 2
if [[ "$__wrd" = -* ]]; then
if [[ "$__wrd" = "-v" ]]; then
FAST_HIGHLIGHT[chroma-printf-skip-two]=1
fi
return 1
else
# Count non-option tokens.
if (( FAST_HIGHLIGHT[chroma-printf-skip-two] )); then
FAST_HIGHLIGHT[chroma-printf-skip-two]=0
return 1
else
(( FAST_HIGHLIGHT[chroma-printf-counter] += 1, __idx1 = FAST_HIGHLIGHT[chroma-printf-counter] ))
if [[ "$__idx1" -eq 1 ]]; then
[[ "$__wrd" = \"* ]] && (( __start=__start_pos-${#PREBUFFER}, __end=__end_pos-${#PREBUFFER}, __start >= 0 )) \
&& reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[${FAST_THEME_NAME}double-quoted-argument]}")
[[ "$__wrd" = \'* ]] && (( __start=__start_pos-${#PREBUFFER}, __end=__end_pos-${#PREBUFFER}, __start >= 0 )) \
&& reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[${FAST_THEME_NAME}single-quoted-argument]}")
FSH_LIST=() # use fsh_sy_h_append function to write to FSH_LIST
: "${__wrd//(#m)\%[\#\+\ 0-]#[0-9]#([.][0-9]#)(#c0,1)[diouxXfFeEgGaAcsb]/$(( fsh_sy_h_append($MBEGIN, $MEND) ))}";
for __val in "${FSH_LIST[@]}" ; do
__idx1=$(( __start_pos + ${__val%%;;*} ))
__idx2=__idx1+${__val##*;;}-${__val%%;;*}+1
(( __start=__idx1-${#PREBUFFER}, __end=__idx2-${#PREBUFFER}-1, __start >= 0 )) && \
reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[${FAST_THEME_NAME}mathnum]}")
done
else
return 1
fi
fi
fi
}
# Add region_highlight entry (via `reply' array).
#
# This is a common place of adding such entry, but any above code
# can do it itself and skip setting __style to 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 (no return 1 occured), do obligatory things ourselves.
(( this_word = next_word ))
_start_pos=$_end_pos
return 0
# vim:ft=zsh:et:sw=4