From: Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: catch % in gsub("%", "\\letterpercent")
Date: Thu, 27 Aug 2020 19:35:45 +0200 [thread overview]
Message-ID: <9167bd82-d936-60aa-05ce-98fb4e5ab40a@gmail.com> (raw)
In-Reply-To: <f1e78036-aa33-17cc-db44-39dc8fc9bea6@gmx.es>
Pablo Rodriguez schrieb am 27.08.2020 um 19:16:
> On 8/27/20 6:16 PM, Wolfgang Schuster wrote:
>> Pablo Rodriguez schrieb am 27.08.2020 um 17:56:
>>> [...]
>>> \startxmlsetups xml:special
>>> \startitem
>>> \cldcontext{string.gsub([[\xmlraw{#1}{.}]], "%%",
>>> "\\letterpercent")}
>>> \stopitem
>>> \stopxmlsetups
>> [...]
>> and to escape special characters you can use context.escape()
> Many thanks for your reply, Wolfgang.
>
> I’m afraid that I need to keep $ in order to get some formulas:
>
> \cldcontext{(string.gsub([[\xmlraw{#1}{.}]],
> '<span class="'..'math inline'..'">', '$'):gsub("</span>",
> "\\ifmmode $\\fi"))}}
>
> Actually this is way more complex, but I need to catch % and have to
> substitution above.
You have to replace %% with \letterpercent\letterpercent because you're
still playing with TeX rules.
\startxmlsetups xml:special
\startitem
\cldcontext{string.gsub("\xmlraw{#1}{.}","\letterpercent\letterpercent","\\letterpercent{}")}
\stopitem
\stopxmlsetups
To avoid these limitations create a new Lua function and call only this
function in the setup:
\startluacode
moduledata = moduledata or { }
function moduledata.special(str)
return string.gsub(str,"%%","\\letterpercent{}")
end
\stopluacode
\startxmlsetups xml:special
\startitem
\cldcontext{moduledata.special([[\xmlraw{#1}{.}]])}
\stopitem
\stopxmlsetups
Wolfgang
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next prev parent reply other threads:[~2020-08-27 17:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-27 15:11 Pablo Rodriguez
2020-08-27 15:30 ` Taco Hoekwater
2020-08-27 15:56 ` Pablo Rodriguez
2020-08-27 16:16 ` Wolfgang Schuster
2020-08-27 17:16 ` Pablo Rodriguez
2020-08-27 17:35 ` Wolfgang Schuster [this message]
2020-08-27 17:49 ` Pablo Rodriguez
2020-08-27 15:39 ` Hans van der Meer
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