Mercurial > prosody-modules

annotate mod_latex/mod_latex.lua @ 5549:01a0b67a9afd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_http_oauth2: Add TODO about disabling password grant Per recommendation in draft-ietf-oauth-security-topics-23 it should at the very least be disabled by default. However since this is used by the Snikket web portal some care needs to be taken not to break this, unless it's already broken by other changes to this module.
author Kim Alvefur <zash@zash.se>
date Fri, 16 Jun 2023 00:06:53 +0200
parents df8da7e4c2bf
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
126
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
1 local st = require "stanza";
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
2 local urlencode = require "net.http".urlencode;
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
3
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
4 local xmlns_xhtmlim = "http://jabber.org/protocol/xhtml-im";
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
5 local xmlns_xhtml = "http://www.w3.org/1999/xhtml";
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
6
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
7 local function replace_latex(data)
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
8 local origin, stanza = data.origin, data.stanza;
1432
ee2302b78c74 mod_latex: get_child_text!
Kim Alvefur <zash@zash.se>
parents: 1343
diff changeset
9 local body = stanza:get_child_text("body");
ee2302b78c74 mod_latex: get_child_text!
Kim Alvefur <zash@zash.se>
parents: 1343
diff changeset
10 if not body or not body:match("%$%$") then
126
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
11 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
12 end
1433
df8da7e4c2bf mod_latex: Log debug message when actually deciding to do LaTeX replacing
Kim Alvefur <zash@zash.se>
parents: 1432
diff changeset
13 module:log("debug", "Replacing latex...");
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 126
diff changeset
14
126
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
15 local html = st.stanza("html", { xmlns = xmlns_xhtmlim })
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
16 :tag("body", { xmlns = xmlns_xhtml });
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 126
diff changeset
17
126
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
18 local in_latex, last_char;
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
19 for snippet, up_to in body:gmatch("(.-)%$%$()") 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
20 last_char = up_to;
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
21 if in_latex 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
22 -- Render latex and add image, next snippet is text
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
23 in_latex = nil;
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
24 html:tag("img", { src = "http://www.mathtran.org/cgi-bin/mathtran?D=2;tex="..urlencode(snippet), alt = snippet }):up();
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
25 else
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
26 -- Add text to HTML, next snippet is latex
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
27 in_latex = true;
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
28 html:tag("span"):text(snippet):up();
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 126
diff changeset
29
126
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
30 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
31 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
32 if last_char < #body 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
33 html:tag("span"):text(body:sub(last_char, #body)):up();
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
34 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 126
diff changeset
35
126
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
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 changeset
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
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
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
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
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
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
43 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
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
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
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 changeset
47 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 126
diff changeset
48
126
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
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 changeset
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 changeset
51 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
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 changeset
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 changeset
54 module:hook("message/full", replace_latex, 30);