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