blob: 3b1817ebb1726bbee24971acfbdbc163d47f1cbf (
plain)
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
|
module CodeRay
module Scanners
load :html
load :ruby
# RHTML Scanner
#
# $Id$
class RHTML < Scanner
include Streamable
register_for :rhtml
ERB_RUBY_BLOCK = /
<%(?!%)[=-]?
(?>
[^%]*
(?> %(?!>) [^%]* )*
)
(?: %> )?
/x
START_OF_ERB = /
<%(?!%)
/x
private
def setup
@ruby_scanner = CodeRay.scanner :ruby, :tokens => @tokens, :keep_tokens => true
@html_scanner = CodeRay.scanner :html, :tokens => @tokens, :keep_tokens => true, :keep_state => true
end
def scan_tokens tokens, options
until eos?
if (match = scan_until(/(?=#{START_OF_ERB})/o) || scan_until(/\z/)) and not match.empty?
@html_scanner.tokenize match
elsif match = scan(/#{ERB_RUBY_BLOCK}/o)
start_tag = match[/\A<%[-=]?/]
end_tag = match[/%?>?\z/]
tokens << [:open, :inline]
tokens << [start_tag, :delimiter]
code = match[start_tag.size .. -1 - end_tag.size]
@ruby_scanner.tokenize code
tokens << [end_tag, :delimiter] unless end_tag.empty?
tokens << [:close, :inline]
else
raise_inspect 'else-case reached!', tokens
end
end
tokens
end
end
end
end
|
