75 lines
1.5 KiB
Ruby
75 lines
1.5 KiB
Ruby
module CodeRay
|
|
module Scanners
|
|
|
|
load :html
|
|
load :ruby
|
|
|
|
# RHTML Scanner
|
|
class RHTML < Scanner
|
|
|
|
include Streamable
|
|
register_for :rhtml
|
|
title 'HTML ERB Template'
|
|
|
|
KINDS_NOT_LOC = HTML::KINDS_NOT_LOC
|
|
|
|
ERB_RUBY_BLOCK = /
|
|
<%(?!%)[=-]?
|
|
(?>
|
|
[^\-%]* # normal*
|
|
(?> # special
|
|
(?: %(?!>) | -(?!%>) )
|
|
[^\-%]* # normal*
|
|
)*
|
|
)
|
|
(?: -?%> )?
|
|
/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 reset_instance
|
|
super
|
|
@html_scanner.reset
|
|
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, :inline_delimiter]
|
|
code = match[start_tag.size .. -1 - end_tag.size]
|
|
@ruby_scanner.tokenize code
|
|
tokens << [end_tag, :inline_delimiter] unless end_tag.empty?
|
|
tokens << [:close, :inline]
|
|
|
|
else
|
|
raise_inspect 'else-case reached!', tokens
|
|
end
|
|
|
|
end
|
|
|
|
tokens
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
end
|