97 lines
4.5 KiB
Ruby
97 lines
4.5 KiB
Ruby
module Twitter
|
|
class Regex
|
|
REGEXEN[:valid_general_url_path_chars] = /[^\p{White_Space}<>\(\)\?]/iou
|
|
REGEXEN[:valid_url_path_ending_chars] = /[^\p{White_Space}\(\)\?!\*"'「」<>;:=\,\.\$%\[\]~&\|@]|(?:#{REGEXEN[:valid_url_balanced_parens]})/iou
|
|
REGEXEN[:valid_url_balanced_parens] = /
|
|
\(
|
|
(?:
|
|
#{REGEXEN[:valid_general_url_path_chars]}+
|
|
|
|
|
# allow one nested level of balanced parentheses
|
|
(?:
|
|
#{REGEXEN[:valid_general_url_path_chars]}*
|
|
\(
|
|
#{REGEXEN[:valid_general_url_path_chars]}+
|
|
\)
|
|
#{REGEXEN[:valid_general_url_path_chars]}*
|
|
)
|
|
)
|
|
\)
|
|
/iox
|
|
REGEXEN[:valid_url_path] = /(?:
|
|
(?:
|
|
#{REGEXEN[:valid_general_url_path_chars]}*
|
|
(?:#{REGEXEN[:valid_url_balanced_parens]} #{REGEXEN[:valid_general_url_path_chars]}*)*
|
|
#{REGEXEN[:valid_url_path_ending_chars]}
|
|
)|(?:#{REGEXEN[:valid_general_url_path_chars]}+\/)
|
|
)/iox
|
|
REGEXEN[:valid_url] = %r{
|
|
( # $1 total match
|
|
(#{REGEXEN[:valid_url_preceding_chars]}) # $2 Preceding character
|
|
( # $3 URL
|
|
((?:https?|dat|dweb|ipfs|ipns|ssb|gopher):\/\/)? # $4 Protocol (optional)
|
|
(#{REGEXEN[:valid_domain]}) # $5 Domain(s)
|
|
(?::(#{REGEXEN[:valid_port_number]}))? # $6 Port number (optional)
|
|
(/#{REGEXEN[:valid_url_path]}*)? # $7 URL Path and anchor
|
|
(\?#{REGEXEN[:valid_url_query_chars]}*#{REGEXEN[:valid_url_query_ending_chars]})? # $8 Query String
|
|
)
|
|
)
|
|
}iox
|
|
REGEXEN[:validate_nodeid] = /(?:
|
|
#{REGEXEN[:validate_url_unreserved]}|
|
|
#{REGEXEN[:validate_url_pct_encoded]}|
|
|
[!$()*+,;=]
|
|
)/iox
|
|
REGEXEN[:validate_resid] = /(?:
|
|
#{REGEXEN[:validate_url_unreserved]}|
|
|
#{REGEXEN[:validate_url_pct_encoded]}|
|
|
#{REGEXEN[:validate_url_sub_delims]}
|
|
)/iox
|
|
REGEXEN[:xmpp_uri] = %r{
|
|
(xmpp:) # Protocol
|
|
(//#{REGEXEN[:validate_nodeid]}+@#{REGEXEN[:valid_domain]}/)? # Authority (optional)
|
|
(#{REGEXEN[:validate_nodeid]}+@)? # Username in path (optional)
|
|
(#{REGEXEN[:valid_domain]}) # Domain in path
|
|
(/#{REGEXEN[:validate_resid]}+)? # Resource in path (optional)
|
|
(\?#{REGEXEN[:valid_url_query_chars]}*#{REGEXEN[:valid_url_query_ending_chars]})? # Query String
|
|
}iox
|
|
REGEXEN[:magnet_uri] = %r{
|
|
(magnet:) # Protocol
|
|
(\?#{REGEXEN[:valid_url_query_chars]}*#{REGEXEN[:valid_url_query_ending_chars]}) # Query String
|
|
}iox
|
|
REGEXEN[:valid_extended_uri] = %r{
|
|
( # $1 total match
|
|
(#{REGEXEN[:valid_url_preceding_chars]}) # $2 Preceding character
|
|
( # $3 URL
|
|
(#{REGEXEN[:xmpp_uri]}) | (#{REGEXEN[:magnet_uri]})
|
|
)
|
|
)
|
|
}iox
|
|
end
|
|
|
|
module Extractor
|
|
# Extracts a list of all XMPP and magnet URIs included in the Toot <tt>text</tt> along
|
|
# with the indices. If the <tt>text</tt> is <tt>nil</tt> or contains no
|
|
# XMPP or magnet URIs an empty array will be returned.
|
|
#
|
|
# If a block is given then it will be called for each XMPP URI.
|
|
def extract_extra_uris_with_indices(text, options = {}) # :yields: uri, start, end
|
|
return [] unless text && text.index(":")
|
|
urls = []
|
|
|
|
text.to_s.scan(Twitter::Regex[:valid_extended_uri]) do
|
|
valid_uri_match_data = $~
|
|
|
|
start_position = valid_uri_match_data.char_begin(3)
|
|
end_position = valid_uri_match_data.char_end(3)
|
|
|
|
urls << {
|
|
:url => valid_uri_match_data[3],
|
|
:indices => [start_position, end_position]
|
|
}
|
|
end
|
|
urls.each{|url| yield url[:url], url[:indices].first, url[:indices].last} if block_given?
|
|
urls
|
|
end
|
|
end
|
|
end
|