1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>html_yadis_location (OpenID::Yadis)</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<link rel="stylesheet" href="../../.././rdoc-style.css" type="text/css" media="screen" />
</head>
<body class="standalone-code">
<pre><span class="ruby-comment cmt"># File lib/openid/yadis/parsehtml.rb, line 6</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-constant">Yadis</span>.<span class="ruby-identifier">html_yadis_location</span>(<span class="ruby-identifier">html</span>)
<span class="ruby-identifier">parser</span> = <span class="ruby-constant">HTMLTokenizer</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">html</span>)
<span class="ruby-comment cmt"># to keep track of whether or not we are in the head element</span>
<span class="ruby-identifier">in_head</span> = <span class="ruby-keyword kw">false</span>
<span class="ruby-keyword kw">begin</span>
<span class="ruby-keyword kw">while</span> <span class="ruby-identifier">el</span> = <span class="ruby-identifier">parser</span>.<span class="ruby-identifier">getTag</span>(<span class="ruby-value str">'head'</span>, <span class="ruby-value str">'/head'</span>, <span class="ruby-value str">'meta'</span>, <span class="ruby-value str">'body'</span>, <span class="ruby-value str">'/body'</span>,
<span class="ruby-value str">'html'</span>, <span class="ruby-value str">'script'</span>)
<span class="ruby-comment cmt"># we are leaving head or have reached body, so we bail</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">nil</span> <span class="ruby-keyword kw">if</span> [<span class="ruby-value str">'/head'</span>, <span class="ruby-value str">'body'</span>, <span class="ruby-value str">'/body'</span>].<span class="ruby-identifier">member?</span>(<span class="ruby-identifier">el</span>.<span class="ruby-identifier">tag_name</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">el</span>.<span class="ruby-identifier">tag_name</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'head'</span>
<span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">el</span>.<span class="ruby-identifier">to_s</span>[<span class="ruby-value">-2</span>] <span class="ruby-operator">==</span> <span class="ruby-value">?/</span> <span class="ruby-comment cmt"># tag ends with a /: a short tag</span>
<span class="ruby-identifier">in_head</span> = <span class="ruby-keyword kw">true</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">next</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">in_head</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">el</span>.<span class="ruby-identifier">tag_name</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'script'</span>
<span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">el</span>.<span class="ruby-identifier">to_s</span>[<span class="ruby-value">-2</span>] <span class="ruby-operator">==</span> <span class="ruby-value">?/</span> <span class="ruby-comment cmt"># tag ends with a /: a short tag</span>
<span class="ruby-identifier">parser</span>.<span class="ruby-identifier">getTag</span>(<span class="ruby-value str">'/script'</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">nil</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">el</span>.<span class="ruby-identifier">tag_name</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'html'</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">el</span>.<span class="ruby-identifier">tag_name</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'meta'</span> <span class="ruby-keyword kw">and</span> (<span class="ruby-identifier">equiv</span> = <span class="ruby-identifier">el</span>.<span class="ruby-identifier">attr_hash</span>[<span class="ruby-value str">'http-equiv'</span>])
<span class="ruby-keyword kw">if</span> [<span class="ruby-value str">'x-xrds-location'</span>,<span class="ruby-value str">'x-yadis-location'</span>].<span class="ruby-identifier">member?</span>(<span class="ruby-identifier">equiv</span>.<span class="ruby-identifier">downcase</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-constant">CGI</span><span class="ruby-operator">::</span><span class="ruby-identifier">unescapeHTML</span>(<span class="ruby-identifier">el</span>.<span class="ruby-identifier">attr_hash</span>[<span class="ruby-value str">'content'</span>])
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">HTMLTokenizerError</span> <span class="ruby-comment cmt"># just stop parsing if there's an error</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span></pre>
</body>
</html>
|
