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- # frozen_string_literal: true
-
- module Extractor
- extend Twitter::Extractor
-
- module_function
-
- def extract_mentions_or_lists_with_indices(text) # :yields: username, list_slug, start, end
- return [] unless text =~ Twitter::Regex[:at_signs]
-
- possible_entries = []
-
- text.to_s.scan(Account::MENTION_RE) do |screen_name, _|
- match_data = $LAST_MATCH_INFO
- after = $'
- unless after =~ Twitter::Regex[:end_mention_match]
- start_position = match_data.char_begin(1) - 1
- end_position = match_data.char_end(1)
- possible_entries << {
- screen_name: screen_name,
- indices: [start_position, end_position],
- }
- end
- end
-
- if block_given?
- possible_entries.each do |mention|
- yield mention[:screen_name], mention[:indices].first, mention[:indices].last
- end
- end
- possible_entries
- end
-
- def extract_hashtags_with_indices(text, _options = {})
- return [] unless text =~ /#/
-
- tags = []
- text.scan(Tag::HASHTAG_RE) do |hash_text, _|
- match_data = $LAST_MATCH_INFO
- start_position = match_data.char_begin(1) - 1
- end_position = match_data.char_end(1)
- after = $'
- if after =~ %r{\A://}
- hash_text.match(/(.+)(https?\Z)/) do |matched|
- hash_text = matched[1]
- end_position -= matched[2].char_length
- end
- end
-
- tags << {
- hashtag: hash_text,
- indices: [start_position, end_position],
- }
- end
-
- tags.each { |tag| yield tag[:hashtag], tag[:indices].first, tag[:indices].last } if block_given?
- tags
- end
-
- def extract_cashtags_with_indices(_text)
- [] # always returns empty array
- end
- end
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