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      1 <!doctype html>
      2 
      3 <title>CodeMirror: Erlang mode</title>
      4 <meta charset="utf-8"/>
      5 <link rel=stylesheet href="../../doc/docs.css">
      6 
      7 <link rel="stylesheet" href="../../lib/codemirror.css">
      8 <link rel="stylesheet" href="../../theme/erlang-dark.css">
      9 <script src="../../lib/codemirror.js"></script>
     10 <script src="../../addon/edit/matchbrackets.js"></script>
     11 <script src="erlang.js"></script>
     12 <style type="text/css">.CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}</style>
     13 <div id=nav>
     14   <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
     15 
     16   <ul>
     17     <li><a href="../../index.html">Home</a>
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     22     <li><a href="../index.html">Language modes</a>
     23     <li><a class=active href="#">Erlang</a>
     24   </ul>
     25 </div>
     26 
     27 <article>
     28 <h2>Erlang mode</h2>
     29 <form><textarea id="code" name="code">
     30 %% -*- mode: erlang; erlang-indent-level: 2 -*-
     31 %%% Created :  7 May 2012 by mats cronqvist <masse@klarna.com>
     32 
     33 %% @doc
     34 %% Demonstrates how to print a record.
     35 %% @end
     36 
     37 -module('ex').
     38 -author('mats cronqvist').
     39 -export([demo/0,
     40          rec_info/1]).
     41 
     42 -record(demo,{a="One",b="Two",c="Three",d="Four"}).
     43 
     44 rec_info(demo) -> record_info(fields,demo).
     45 
     46 demo() -> expand_recs(?MODULE,#demo{a="A",b="BB"}).
     47 
     48 expand_recs(M,List) when is_list(List) ->
     49   [expand_recs(M,L)||L<-List];
     50 expand_recs(M,Tup) when is_tuple(Tup) ->
     51   case tuple_size(Tup) of
     52     L when L < 1 -> Tup;
     53     L ->
     54       try
     55         Fields = M:rec_info(element(1,Tup)),
     56         L = length(Fields)+1,
     57         lists:zip(Fields,expand_recs(M,tl(tuple_to_list(Tup))))
     58       catch
     59         _:_ -> list_to_tuple(expand_recs(M,tuple_to_list(Tup)))
     60       end
     61   end;
     62 expand_recs(_,Term) ->
     63   Term.
     64 </textarea></form>
     65 
     66     <script>
     67       var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
     68         lineNumbers: true,
     69         matchBrackets: true,
     70         extraKeys: {"Tab":  "indentAuto"},
     71         theme: "erlang-dark"
     72       });
     73     </script>
     74 
     75     <p><strong>MIME types defined:</strong> <code>text/x-erlang</code>.</p>
     76   </article>