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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/**
* (C) Copyright 2008 Jeremy Maitin-Shepard
*
* Use, modification, and distribution are subject to the terms specified in the
* COPYING file.
**/
/**
* Default media scraper
*
* Looks for <embed> and <object> elements, and also uses regular
* expresisons to attempt to match strings that look like URIs to
* embedded media.
**/
define_variable("media_scrape_default_regexp",
new RegExp("(?:http://[a-zA-Z0-9.\\-]+/)?(?!://)[^=&<>\"'|\\s]+\\."
+ "(?:aiff|au|avi|flv|mid|mov|mp3|mpg|mpeg|ogg|ra|rm|spl|wav|wma|wmv)(?!\\w)", "ig"),
"Regular expression used by the default media scraper to match URIs for "
+ "embedded media in the page source code.");
function media_scrape_default(buffer, results) {
var initial_length = results.length;
for (let frame in frame_iterator(buffer.top_frame)) {
var text = frame.document.documentElement.innerHTML;
var matches = text.match(media_scrape_default_regexp);
//matches = matches.concat(unescape(text).match(media_scrape_default_regexp));
let base_uri = frame.document.documentURIObject;
var uris = new string_hashset();
for each (let x in matches) {
let str = x;
try {
let uri_obj = make_uri(str, null, base_uri);
if (!uris.contains(uri_obj.spec)) {
uris.add(uri_obj.spec);
results.push(load_spec({uri: uri_obj.spec, source_frame: frame}));
}
} catch (e) {}
}
}
// If there is exactly 1, use the document title as the video title
if (initial_length == 0 && results.length == 1 &&
buffer.document.title && buffer.document.title.length > 0) {
results[0].title = buffer.document.title;
results[0].suggest_filename_from_uri = false;
}
return results;
}
define_variable("media_scrapers", [media_scrape_default],
"Function (or coroutine) to use to scrape the current buffer for embedded media.");
function media_scrape(buffer) {
var scrapers = buffer.get("media_scrapers");
var results = [];
if (scrapers) {
for each (let scraper in scrapers) {
yield scraper(buffer, results);
}
}
yield co_return(results);
}
function media_setup_local_object_classes(buffer) {
buffer.local_variables.default_browser_object_classes = {
__proto__: default_browser_object_classes,
save: "media",
shell_command: "media",
shell_command_url: "media"
};
}
define_browser_object_class("media", $handler = function (buf, prompt) {
let media = yield media_scrape(buf);
if (!media || media.length == 0)
throw interactive_error("No media found.");
if (media.length == 1)
yield co_return(media[0]);
let completer = all_word_completer(
$completions = media,
$get_string = function (x) load_spec_uri_string(x),
$get_description = function (x) load_spec_title(x) || "");
let result = yield buf.window.minibuffer.read(
$prompt = prompt,
$match_required,
$completer = completer,
$auto_complete_initial,
$auto_complete = "media");
yield co_return(result);
});
|
