Mercurial > prosody-modules
annotate mod_latex/mod_latex.lua @ 4340:7cd3b7ec59e9
mod_http_oauth2: Rudimentary support for scopes (but not really)
We don't support limiting access, but this change will inform the
client what permissions the created token has (e.g. is the user an
admin or not).
There is some work in progress on real scope support.
author | Matthew Wild <mwild1@gmail.com> |
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date | Sat, 16 Jan 2021 19:47:22 +0000 |
parents | df8da7e4c2bf |
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rev | line source |
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126
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
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1 local st = require "stanza"; |
e190c1643a8f
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2 local urlencode = require "net.http".urlencode; |
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3 |
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4 local xmlns_xhtmlim = "http://jabber.org/protocol/xhtml-im"; |
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5 local xmlns_xhtml = "http://www.w3.org/1999/xhtml"; |
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parents:
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6 |
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7 local function replace_latex(data) |
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8 local origin, stanza = data.origin, data.stanza; |
1432 | 9 local body = stanza:get_child_text("body"); |
10 if not body or not body:match("%$%$") then | |
126
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11 return; |
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
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12 end |
1433
df8da7e4c2bf
mod_latex: Log debug message when actually deciding to do LaTeX replacing
Kim Alvefur <zash@zash.se>
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1432
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13 module:log("debug", "Replacing latex..."); |
1343
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all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
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14 |
126
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15 local html = st.stanza("html", { xmlns = xmlns_xhtmlim }) |
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16 :tag("body", { xmlns = xmlns_xhtml }); |
1343
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all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
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17 |
126
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18 local in_latex, last_char; |
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19 for snippet, up_to in body:gmatch("(.-)%$%$()") do |
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
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20 last_char = up_to; |
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Matthew Wild <mwild1@gmail.com>
parents:
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21 if in_latex then |
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Matthew Wild <mwild1@gmail.com>
parents:
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22 -- Render latex and add image, next snippet is text |
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Matthew Wild <mwild1@gmail.com>
parents:
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23 in_latex = nil; |
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Matthew Wild <mwild1@gmail.com>
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24 html:tag("img", { src = "http://www.mathtran.org/cgi-bin/mathtran?D=2;tex="..urlencode(snippet), alt = snippet }):up(); |
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Matthew Wild <mwild1@gmail.com>
parents:
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25 else |
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
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26 -- Add text to HTML, next snippet is latex |
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Matthew Wild <mwild1@gmail.com>
parents:
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27 in_latex = true; |
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28 html:tag("span"):text(snippet):up(); |
1343
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all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
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29 |
126
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Matthew Wild <mwild1@gmail.com>
parents:
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30 end |
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
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31 end |
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
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32 if last_char < #body then |
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Matthew Wild <mwild1@gmail.com>
parents:
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33 html:tag("span"):text(body:sub(last_char, #body)):up(); |
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Matthew Wild <mwild1@gmail.com>
parents:
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34 end |
1343
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all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
126
diff
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35 |
126
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
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36 for n, tag in ipairs(stanza.tags) do |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
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37 module:log("debug", "Tag: %s|%s", tag.attr.xmlns or "", tag.name or ""); |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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38 if tag.name == "html" and tag.attr.xmlns == xmlns_xhtmlim then |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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39 stanza.tags[n] = html; |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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40 for n, child in ipairs(stanza) do |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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41 if child == tag then |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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42 stanza[n] = html; |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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43 end |
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
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44 end |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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45 return; |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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46 end |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
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47 end |
1343
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all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
126
diff
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48 |
126
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Matthew Wild <mwild1@gmail.com>
parents:
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49 stanza[#stanza+1] = html; |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
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50 stanza.tags[#stanza.tags+1] = html; |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
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51 end |
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mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
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52 |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
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53 module:hook("message/bare", replace_latex, 30); |
e190c1643a8f
mod_latex: New (well, kind of) module for rendering LaTeX in messages and replacing with a rendered embedded image
Matthew Wild <mwild1@gmail.com>
parents:
diff
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54 module:hook("message/full", replace_latex, 30); |