prosody-modules
7dbde05b48a9
mod_latex/mod_latex.lua

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mod_latex/mod_latex.lua @ 1343:7dbde05b48a9

all the things: Remove trailing whitespace
author Florian Zeitz <florob@babelmonkeys.de>
date Tue, 11 Mar 2014 18:44:01 +0100
parent 126:e190c1643a8f
child 1432:ee2302b78c74
comparison
equal deleted inserted replaced
1342:0ae065453dc9 1343:7dbde05b48a9
7 local function replace_latex(data) 7 local function replace_latex(data)
8 module:log("debug", "Replacing latex..."); 8 module:log("debug", "Replacing latex...");
9 local origin, stanza = data.origin, data.stanza; 9 local origin, stanza = data.origin, data.stanza;
10 local body = stanza:child_with_name("body"); 10 local body = stanza:child_with_name("body");
11 if not body then return; end 11 if not body then return; end
12 12
13 body = body:get_text(); 13 body = body:get_text();
14 if not body:match("%$%$") then 14 if not body:match("%$%$") then
15 return; 15 return;
16 end 16 end
17 17
18 local html = st.stanza("html", { xmlns = xmlns_xhtmlim }) 18 local html = st.stanza("html", { xmlns = xmlns_xhtmlim })
19 :tag("body", { xmlns = xmlns_xhtml }); 19 :tag("body", { xmlns = xmlns_xhtml });
20 20
21 local in_latex, last_char; 21 local in_latex, last_char;
22 for snippet, up_to in body:gmatch("(.-)%$%$()") do 22 for snippet, up_to in body:gmatch("(.-)%$%$()") do
23 last_char = up_to; 23 last_char = up_to;
24 if in_latex then 24 if in_latex then
25 -- Render latex and add image, next snippet is text 25 -- Render latex and add image, next snippet is text
27 html:tag("img", { src = "http://www.mathtran.org/cgi-bin/mathtran?D=2;tex="..urlencode(snippet), alt = snippet }):up(); 27 html:tag("img", { src = "http://www.mathtran.org/cgi-bin/mathtran?D=2;tex="..urlencode(snippet), alt = snippet }):up();
28 else 28 else
29 -- Add text to HTML, next snippet is latex 29 -- Add text to HTML, next snippet is latex
30 in_latex = true; 30 in_latex = true;
31 html:tag("span"):text(snippet):up(); 31 html:tag("span"):text(snippet):up();
32 32
33 end 33 end
34 end 34 end
35 if last_char < #body then 35 if last_char < #body then
36 html:tag("span"):text(body:sub(last_char, #body)):up(); 36 html:tag("span"):text(body:sub(last_char, #body)):up();
37 end 37 end
38 38
39 for n, tag in ipairs(stanza.tags) do 39 for n, tag in ipairs(stanza.tags) do
40 module:log("debug", "Tag: %s|%s", tag.attr.xmlns or "", tag.name or ""); 40 module:log("debug", "Tag: %s|%s", tag.attr.xmlns or "", tag.name or "");
41 if tag.name == "html" and tag.attr.xmlns == xmlns_xhtmlim then 41 if tag.name == "html" and tag.attr.xmlns == xmlns_xhtmlim then
42 stanza.tags[n] = html; 42 stanza.tags[n] = html;
43 for n, child in ipairs(stanza) do 43 for n, child in ipairs(stanza) do
46 end 46 end
47 end 47 end
48 return; 48 return;
49 end 49 end
50 end 50 end
51 51
52 stanza[#stanza+1] = html; 52 stanza[#stanza+1] = html;
53 stanza.tags[#stanza.tags+1] = html; 53 stanza.tags[#stanza.tags+1] = html;
54 end 54 end
55 55
56 module:hook("message/bare", replace_latex, 30); 56 module:hook("message/bare", replace_latex, 30);