mirror of
https://github.com/mastodon/mastodon
synced 2024-12-18 16:48:22 +09:00
b21f3aa21d
Reduce constant memory usage by ~100kB and further reduce boot-up memory allocations and temporary memory use by a further ~200kB.
105 lines
5.1 KiB
Ruby
105 lines
5.1 KiB
Ruby
module Twitter::TwitterText
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class Configuration
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def emoji_parsing_enabled
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false
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end
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end
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class Regex
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REGEXEN[:valid_general_url_path_chars] = /[^\p{White_Space}<>\(\)\?]/iou
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REGEXEN[:valid_url_path_ending_chars] = /[^\p{White_Space}\(\)\?!\*"'「」<>;:=\,\.\$%\[\]~&\|@]|(?:#{REGEXEN[:valid_url_balanced_parens]})/iou
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REGEXEN[:valid_url_balanced_parens] = /
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\(
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(?:
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#{REGEXEN[:valid_general_url_path_chars]}+
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# allow one nested level of balanced parentheses
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(?:
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#{REGEXEN[:valid_general_url_path_chars]}*
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\(
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#{REGEXEN[:valid_general_url_path_chars]}+
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\)
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#{REGEXEN[:valid_general_url_path_chars]}*
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)
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)
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\)
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/iox
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UCHARS = '\u{A0}-\u{D7FF}\u{F900}-\u{FDCF}\u{FDF0}-\u{FFEF}\u{10000}-\u{1FFFD}\u{20000}-\u{2FFFD}\u{30000}-\u{3FFFD}\u{40000}-\u{4FFFD}\u{50000}-\u{5FFFD}\u{60000}-\u{6FFFD}\u{70000}-\u{7FFFD}\u{80000}-\u{8FFFD}\u{90000}-\u{9FFFD}\u{A0000}-\u{AFFFD}\u{B0000}-\u{BFFFD}\u{C0000}-\u{CFFFD}\u{D0000}-\u{DFFFD}\u{E1000}-\u{EFFFD}\u{E000}-\u{F8FF}\u{F0000}-\u{FFFFD}\u{100000}-\u{10FFFD}'
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REGEXEN[:valid_url_query_chars] = /[a-z0-9!?\*'\(\);:&=\+\$\/%#\[\]\-_\.,~|@#{UCHARS}]/iou
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REGEXEN[:valid_url_query_ending_chars] = /[a-z0-9_&=#\/\-#{UCHARS}]/iou
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REGEXEN[:valid_url_path] = /(?:
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(?:
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#{REGEXEN[:valid_general_url_path_chars]}*
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(?:#{REGEXEN[:valid_url_balanced_parens]} #{REGEXEN[:valid_general_url_path_chars]}*)*
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#{REGEXEN[:valid_url_path_ending_chars]}
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)|(?:#{REGEXEN[:valid_general_url_path_chars]}+\/)
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)/iox
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REGEXEN[:valid_url] = %r{
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( # $1 total match
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(#{REGEXEN[:valid_url_preceding_chars]}) # $2 Preceding character
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( # $3 URL
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((?:https?|dat|dweb|ipfs|ipns|ssb|gopher|gemini):\/\/)? # $4 Protocol (optional)
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(#{REGEXEN[:valid_domain]}) # $5 Domain(s)
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(?::(#{REGEXEN[:valid_port_number]}))? # $6 Port number (optional)
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(/#{REGEXEN[:valid_url_path]}*)? # $7 URL Path and anchor
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(\?#{REGEXEN[:valid_url_query_chars]}*#{REGEXEN[:valid_url_query_ending_chars]})? # $8 Query String
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)
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)
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}iox
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REGEXEN[:validate_nodeid] = /(?:
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#{REGEXEN[:validate_url_unreserved]}|
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#{REGEXEN[:validate_url_pct_encoded]}|
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[!$()*+,;=]
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)/iox
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REGEXEN[:validate_resid] = /(?:
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#{REGEXEN[:validate_url_unreserved]}|
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#{REGEXEN[:validate_url_pct_encoded]}|
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#{REGEXEN[:validate_url_sub_delims]}
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)/iox
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REGEXEN[:valid_extended_uri] = %r{
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( # $1 total match
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(#{REGEXEN[:valid_url_preceding_chars]}) # $2 Preceding character
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( # $3 URL
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(
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(xmpp:) # Protocol
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(//#{REGEXEN[:validate_nodeid]}+@#{REGEXEN[:valid_domain]}/)? # Authority (optional)
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(#{REGEXEN[:validate_nodeid]}+@)? # Username in path (optional)
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(#{REGEXEN[:valid_domain]}) # Domain in path
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(/#{REGEXEN[:validate_resid]}+)? # Resource in path (optional)
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(\?#{REGEXEN[:valid_url_query_chars]}*#{REGEXEN[:valid_url_query_ending_chars]})? # Query String
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) | (
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(magnet:) # Protocol
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(\?#{REGEXEN[:valid_url_query_chars]}*#{REGEXEN[:valid_url_query_ending_chars]}) # Query String
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)
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)
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)
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}iox
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end
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module Extractor
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# Extracts a list of all XMPP and magnet URIs included in the Toot <tt>text</tt> along
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# with the indices. If the <tt>text</tt> is <tt>nil</tt> or contains no
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# XMPP or magnet URIs an empty array will be returned.
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#
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# If a block is given then it will be called for each XMPP URI.
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def extract_extra_uris_with_indices(text, _options = {}) # :yields: uri, start, end
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return [] unless text && text.index(":")
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urls = []
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text.to_s.scan(Twitter::TwitterText::Regex[:valid_extended_uri]) do
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valid_uri_match_data = $~
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start_position = valid_uri_match_data.char_begin(3)
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end_position = valid_uri_match_data.char_end(3)
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urls << {
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:url => valid_uri_match_data[3],
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:indices => [start_position, end_position]
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}
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end
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urls.each{|url| yield url[:url], url[:indices].first, url[:indices].last} if block_given?
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urls
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end
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end
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end
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