mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Math
synced 2024-11-28 01:10:09 +00:00
63 lines
2.3 KiB
OCaml
63 lines
2.3 KiB
OCaml
|
open Netcgi;;
|
||
|
|
open Netcgi_types;;
|
||
|
|
open Netcgi_env;;
|
||
|
|
open Netchannels;;
|
||
|
|
|
||
|
|
let cgi = new Netcgi.std_activation ()
|
||
|
|
let out = cgi # output # output_string
|
||
|
|
let math = cgi # argument_value ~default:"" "math"
|
||
|
|
let tmppath = "/home/taw/public_html/wiki/tmp/"
|
||
|
|
let finalpath = "/home/taw/public_html/wiki/math/"
|
||
|
|
let finalurl = "http://wroclaw.taw.pl.eu.org/~taw/wiki/math/"
|
||
|
|
;;
|
||
|
|
|
||
|
|
let h_header = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\""^
|
||
|
|
" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"^
|
||
|
|
"<html><head><title>texvc</title></head><body>"^
|
||
|
|
"<form method=post action=\"http://wroclaw.taw.pl.eu.org/~taw/cgi-bin/newcodebase/math/texvc_cgi\">"^
|
||
|
|
"<textarea name='math' rows=10 cols=80>"
|
||
|
|
let h_middle = "</textarea><br /><input type=submit value=\"Preview\" name='preview'></form>"
|
||
|
|
let h_footer = "</body></html>\n"
|
||
|
|
|
||
|
|
let render tmppath finalpath tree =
|
||
|
|
let outtex = Texutil.mapjoin Texutil.print tree in
|
||
|
|
let md5 = Digest.to_hex (Digest.string outtex) in
|
||
|
|
begin
|
||
|
|
out "<h3>TeX</h3>";
|
||
|
|
out outtex; (* <, & and > should be protected *)
|
||
|
|
(try out ("<h3>HTML</h3>" ^ (Texutil.html_render tree))
|
||
|
|
with _ -> out "<h3>HTML could not be rendered</h3>");
|
||
|
|
try Render.render tmppath finalpath outtex md5;
|
||
|
|
out ("<h3>Image:</h3><img src=\""^finalurl^md5^".png\">")
|
||
|
|
with Util.FileAlreadyExists -> out ("<h3>Image:</h3><img src=\""^finalurl^md5^".png\">")
|
||
|
|
| Failure s -> out ("<h3>Other failure: " ^ s ^ "</h3>")
|
||
|
|
| Render.ExternalCommandFailure "latex" -> out "<h3>latex failed</h3>"
|
||
|
|
| Render.ExternalCommandFailure "dvips" -> out "<h3>dvips failed</h3>"
|
||
|
|
| _ -> out "<h3>Other failure</h3>"
|
||
|
|
end
|
||
|
|
;;
|
||
|
|
|
||
|
|
cgi#set_header ();;
|
||
|
|
|
||
|
|
out h_header;;
|
||
|
|
out math;;
|
||
|
|
out h_middle;;
|
||
|
|
|
||
|
|
exception LexerException of string
|
||
|
|
let lexer_token_safe lexbuf =
|
||
|
|
try Lexer.token lexbuf
|
||
|
|
with Failure s -> raise (LexerException s)
|
||
|
|
;;
|
||
|
|
if math = ""
|
||
|
|
then ()
|
||
|
|
else try
|
||
|
|
render tmppath finalpath (Parser.tex_expr lexer_token_safe (Lexing.from_string math))
|
||
|
|
with Parsing.Parse_error -> out "<h3>Parse error</h3>"
|
||
|
|
| LexerException s -> out "<h3>Lexing failure</h3>"
|
||
|
|
| Texutil.Illegal_tex_function s -> out ("<h3>Illegal TeX function: " ^ s ^ "</h3>")
|
||
|
|
| Failure s -> out ("<h3>Other failure: " ^ s ^ "</h3>")
|
||
|
|
| _ -> out "<h3>Other failure</h3>"
|
||
|
|
;;
|
||
|
|
|
||
|
|
out h_footer
|