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From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Date: Mon, 30 Jul 2018 09:09:02 +0200
Message-ID: <CAKc7PVAbwaZr6Pr8weACs7W7E1A6GF5y7QpwRanssYFdGnzSww@mail.gmail.com>
Subject: Discovered pattern that ideally parses any quoting. Brackets
 highlighting in FSH.
To: Zsh Users <zsh-users@zsh.org>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Hello,
not only (z) can handle quoting, turns out regular pattern with while
loop can do it too:

    while [[ $_mybuf =3D (#b)[^"{}()[]\\\"'"]#((["({[]})\"'"])|[\\](*))(*) =
]]; do
        [[ -n "${match[3]}" ]] && {
            __idx+=3D${mbegin[1]}+1
            _mybuf=3D"${match[3]:1}" # also skip 1 quoted char
        } || {

the main point is [\\](*). Parentheses are placed in ${match[3]} and
allow to restart processing skipping e.g. a quoted backslash.

The rest is matching braces =E2=80=93 it's an example from
Fast-Syntax-Highlighting, it now has ideal brackets highlighting =E2=80=93 =
AND
ALSO ", '. Simple handling of those two quotings allows to switch mode
"in quoting" "outside quoting". That's all. The effect:

https://raw.githubusercontent.com/zdharma/fast-syntax-highlighting/master/i=
mages/brackets.gif

--=20
Sebastian Gniazdowski
News: https://twitter.com/ZdharmaI
IRC: https://kiwiirc.com/client/chat.freenode.net:+6697/#zplugin