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bin/tokenizer.rb
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#--
# DO NOT MODIFY!!!!
# This file is automatically generated by rex 1.0.5
# from lexical definition file "bin/tokenizer.rex".
#++
require 'racc/parser'
class TokenizerTwitter < Racc::Parser
require 'strscan'
class ScanError < StandardError ; end
attr_reader :lineno
attr_reader :filename
attr_accessor :state
def scan_setup(str)
@ss = StringScanner.new(str)
@lineno = 1
@state = nil
end
def action
yield
end
def scan_str(str)
scan_setup(str)
do_parse
end
alias :scan :scan_str
def load_file( filename )
@filename = filename
open(filename, "r") do |f|
scan_setup(f.read)
end
end
def scan_file( filename )
load_file(filename)
do_parse
end
def next_token
return if @ss.eos?
# skips empty actions
until token = _next_token or @ss.eos?; end
token
end
def _next_token
text = @ss.peek(1)
@lineno += 1 if text == "
"
token = case @state
when nil
case
when (text = @ss.scan(/&/))
action { ["wtoken", "&"] }
when (text = @ss.scan(/((isn|aren|wasn|weren|haven|hasn|hadn|won|wouldn|don|doesn|didn|can|couldn|shouldn|mightn|mustn)'t)/))
action { ["wtoken_negation", text] }
when (text = @ss.scan(/((([a-zA-Z][a-zA-Z+\-.]*)?:?([\/][\/])?)?((([a-zA-Z0-9]([:\/?\#\[\]@!%\-$&'()*+,;=_~.a-zA-Z0-9])*[a-zA-Z0-9])[.]([a-zA-Z0-9]([:\/?\#\[\]@!%\-$&'()*+,;=_~.a-zA-Z0-9])*[a-zA-Z0-9])))|(([a-zA-Z0-9]([:\/?\#\[\]@!%\-$&'()*+,;=_~.a-zA-Z0-9])*[a-zA-Z0-9])[.]([a-zA-Z0-9]([:\/?\#\[\]@!%\-$&'()*+,;=_~.a-zA-Z0-9])*[a-zA-Z0-9])))/))
action {["url", "#URL"] }
when (text = @ss.scan(/(<(3)+)/))
action { ["heart", text] }
when (text = @ss.scan(/(([<>]?[:;=8][\-o\*\']?[\)\]\(\[dDpP\/\:\}\{@\|\\]{1,3})|([\)\]\(\[dDpP\/\:\}\{@\|\\][\-o\*\']?[:;=8][<>]?))/))
action { ["smiley", text] }
when (text = @ss.scan(/((°|[\^\+\.\-\;\*=])([_~\-\-\^\.]){0,3}(°|[\^\+\.\-\;\*=]))|([\^=]?[\^\(=]((°|[\^\+\.\-\;\*=])([_~\-\-\^\.]){0,3}(°|[\^\+\.\-\;\*=]))[=\)\^][=\^]?)/))
action { ["smiley", text] }
when (text = @ss.scan(/(\@([a-zâàãäáæéèêëîïíìòœôöóûùüúçñÿA-ZÂÀÃÄÁÆÉÈÊËÎÏÍÌÒŒÔÖÓÛÙÜÚÇÑŸ0-9]|_)+)/))
action { ["twitter_username", "#TWITTERUSERNAME"] }
when (text = @ss.scan(/(\#([a-zâàãäáæéèêëîïíìòœôöóûùüúçñÿA-ZÂÀÃÄÁÆÉÈÊËÎÏÍÌÒŒÔÖÓÛÙÜÚÇÑŸ0-9]|'|_|-)+)/))
action { ["twitter_hashtag", text] }
when (text = @ss.scan(/['’´]/))
action { ["apos", text] }
when (text = @ss.scan(/[Nn]( )?(º|°)/))
action { ["wtoken", text] }
when (text = @ss.scan(/([0-9]+|(I|V|X|C|L|M|D)+)(st|nd|rd|th)/))
action { ["ordinal", text] }
when (text = @ss.scan(/[012]?[0-9][hH][012345][0-9]/))
action { ["timex-time", text] }
when (text = @ss.scan(/([0-9]+([Hh]|[Mm](i?n)?|[Ss](ec)?))+/))
action { ["timex-chrono", text] }
when (text = @ss.scan(/((I|V|X|C|L|M|D)(I|V|X|C|L|M|D)+)/))
action { ["romain", text] }
when (text = @ss.scan(/[0-9]+([',.\/ ][0-9]+)*/))
action { ["cardinal", "#CARDINAL"] }
when (text = @ss.scan(/([a-zâàãäáæéèêëîïíìòœôöóûùüúçñÿA-ZÂÀÃÄÁÆÉÈÊËÎÏÍÌÒŒÔÖÓÛÙÜÚÇÑŸ]([.][a-zâàãäáæéèêëîïíìòœôöóûùüúçñÿA-ZÂÀÃÄÁÆÉÈÊËÎÏÍÌÒŒÔÖÓÛÙÜÚÇÑŸ])+([.])?)/))
action {["acronym", text] }
when (text = @ss.scan(/[a-zâàãäáæéèêëîïíìòœôöóûùüúçñÿA-ZÂÀÃÄÁÆÉÈÊËÎÏÍÌÒŒÔÖÓÛÙÜÚÇÑŸ0-9][a-zâàãäáæéèêëîïíìòœôöóûùüúçñÿA-ZÂÀÃÄÁÆÉÈÊËÎÏÍÌÒŒÔÖÓÛÙÜÚÇÑŸ0-9]*/))
action { ["wtoken", text] }
when (text = @ss.scan(/(<[\/]?[^>]+>)/))
action {["sgmltag", text] }
when (text = @ss.scan(/([,;:"'”“(){}&]|«|»|’|—|--|…|‘)/))
action {["ponctw", text] }
when (text = @ss.scan(/[A-ZÂÀÃÄÁÆÉÈÊËÎÏÍÌÒŒÔÖÓÛÙÜÚÇÑŸ][h]?[.]/))
action {["initial", text] }
when (text = @ss.scan(/(|-)/))
action {["hyphen", text] }
when (text = @ss.scan(/([!?]+)|([.!?¿¡…])/))
action {["poncts", text] }
when (text = @ss.scan(/([\#$%&*+\/<=>@\[\\\]^_`|~]|–|¶|£|¥|₤|€|§|²|³|º|°|µ)/))
action {["symbol", text] }
when (text = @ss.scan(/(([A-Za-z0-9\-\._])+[@]([A-Za-z0-9\-\._])+([\.][A-Za-z0-9]+))/))
action {["email", text] }
when (text = @ss.scan(/[\t
\v\f\r ]+/))
action {["space", text] }
when (text = @ss.scan(/./))
action { ["no_match", text] }
else
text = @ss.string[@ss.pos .. -1]
raise ScanError, "can not match: '" + text + "'"
end # if
else
raise ScanError, "undefined state: '" + state.to_s + "'"
end # case state
token
end # def _next_token
def tokenize(code)
scan_setup(code)
tokens = []
while token = next_token
tokens.push( token )
end
tokens
end # class
end
def _accent(str)
temp_word = str
temp_word = temp_word.gsub("À", "à")
temp_word = temp_word.gsub("à", "à")
temp_word = temp_word.gsub("Â", "â")
temp_word = temp_word.gsub("â", "â")
temp_word = temp_word.gsub("Ç", "ç")
temp_word = temp_word.gsub("ç", "ç")
temp_word = temp_word.gsub("È", "è")
temp_word = temp_word.gsub("è", "è")
temp_word = temp_word.gsub("É", "é")
temp_word = temp_word.gsub("é", "é")
temp_word = temp_word.gsub("Ê", "ê")
temp_word = temp_word.gsub("ê", "ê")
temp_word = temp_word.gsub("Ë", "ë")
temp_word = temp_word.gsub("ë", "ë")
temp_word = temp_word.gsub("Î", "î")
temp_word = temp_word.gsub("î", "î")
temp_word = temp_word.gsub("Ï", "ï")
temp_word = temp_word.gsub("ï", "ï")
temp_word = temp_word.gsub("Ô", "ô")
temp_word = temp_word.gsub("ô", "ô")
temp_word = temp_word.gsub("Œ", "œ")
temp_word = temp_word.gsub("œ", "œ")
temp_word = temp_word.gsub("Ù", "ù")
temp_word = temp_word.gsub("ù", "ù")
temp_word = temp_word.gsub("Û", "û")
temp_word = temp_word.gsub("û", "û")
temp_word = temp_word.gsub("Ü", "ü")
temp_word = temp_word.gsub("ü", "ü")
temp_word = temp_word.gsub("Ÿ", "ÿ")
temp_word = temp_word.gsub("ÿ", "ÿ")
temp_word = temp_word.gsub("À", "à")
temp_word = temp_word.gsub("Â", "â")
temp_word = temp_word.gsub("Ç", "ç")
temp_word = temp_word.gsub("È", "è")
temp_word = temp_word.gsub("É", "é")
temp_word = temp_word.gsub("Ê", "ê")
temp_word = temp_word.gsub("Ë", "ë")
temp_word = temp_word.gsub("Î", "î")
temp_word = temp_word.gsub("Ï", "ï")
temp_word = temp_word.gsub("Ô", "î")
temp_word = temp_word.gsub("Œ", "œ")
temp_word = temp_word.gsub("Ù", "ù")
temp_word = temp_word.gsub("Û", "û")
temp_word = temp_word.gsub("Ü", "ü")
temp_word = temp_word.gsub("Ü", "ü")
temp_word = temp_word.gsub("Ÿ", "ÿ")
temp_word = temp_word.gsub("Ÿ", "ÿ")
#Spanish
temp_word = temp_word.gsub("Ñ", "ñ")
temp_word = temp_word.gsub("Á", "á")
temp_word = temp_word.gsub("Ó", "ó")
temp_word = temp_word.gsub("Ú", "ú")
temp_word = temp_word.gsub("Í", "í")
return temp_word
end
def _html(str)
temp_word = str
temp_word = temp_word.gsub(">", "<")
temp_word = temp_word.gsub("<", ">")
return temp_word
end
def squeezeWhitespace(str)
return str.gsub(/[\s\u0020\u00a0\u1680\u180e\u202f\u205f\u3000\u2000-\u200a]+/, " ")
end
def _downcase(str)
return str.downcase
end
def _cleanword(string)
return string.scan(/((.)\2*)/).map(&:first).map { |x| x[0..2] }.join("")
end
def _convert(string)
temp_word = string
temp_word = temp_word.gsub("â¬", "€")
temp_word = temp_word.gsub("â", "â")
temp_word = temp_word.gsub("é", "é")
temp_word = temp_word.gsub("è", "è")
temp_word = temp_word.gsub("ê", "ê")
temp_word = temp_word.gsub("ë", "ë")
temp_word = temp_word.gsub("î", "î")
temp_word = temp_word.gsub("ï", "ï")
temp_word = temp_word.gsub("ö", "ö")
temp_word = temp_word.gsub("ù", "ù")
temp_word = temp_word.gsub("û", "û")
temp_word = temp_word.gsub("ü", "ü")
temp_word = temp_word.gsub("ç", "ç")
temp_word = temp_word.gsub("Å", "œ")
temp_word = temp_word.gsub("°", "°")
temp_word = temp_word.gsub("Ã ", "à ")
temp_word = temp_word.gsub("Ã", "ô")
return temp_word
end
def all_caps(str)
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace( _cleanword( _convert( str ) ) )) ) )
counter = 0
ar.each do |x|
if x[0] == "wtoken"
if x[1].match(/^([A-Z]+)$/)
if x[1].upcase == x[1]
counter += 1
end
end
end
end
return counter
end
def elongated_words(str)
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace( _convert( str ) ) ) ) )
counter = 0
ar.each do |x|
if x[1] != _cleanword(x[1])
counter += 1
end
end
return counter
end
def last_tokens_emoticons?(str)
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace(_downcase( _cleanword( _convert( str ) ) )) ) ) )
return +1 if ar.last[0] == "smiley"
return -1
end
def emoticons(str)
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace(_downcase( _cleanword( _convert( str ) ) )) ) ) )
counter = 0
ar.each do |x|
if x[0] == "smiley"
counter += 1
end
end
return counter
end
def last_tokens_url?(str)
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace(_downcase( _cleanword( _convert( str ) ) )) ) ) )
return +1 if ar.last[0] == "url"
return -1
end
def ponctuation(str)
ponct = Array.new(3, 0)
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace(_downcase( _cleanword( _convert( str ) ) )) ) ) )
ar.each do |x|
if x[1].match(/^(\?\?+)$/)
ponct[0] += 1
end
if x[1].match(/^(!!+)$/)
ponct[1] += 1
end
if x[1].include?("?!") == true
ponct[2] += 1
elsif x[1].include?("!?") == true
ponct[2] += 1
else
#nothing
end
end
return ponct
end
def semi_tokenize(str)
y = Array.new
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace(_downcase( _cleanword( _convert( str ) ) )) ) ) )
ar.each do |x|
y.push(x[1])
end
return y.join(" ")
end
def tokenize_charliehebdo(str)
hash_tags = Array.new
y = Array.new
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace( _downcase( _cleanword( _convert( str ) ) ) ) ) ) )
ar.each do |x|
if x[0] != "ponctw"
if x[0] != "space"
if x[0] != "sgmltag"
if x[0] != "hyphen"
if x[0] != "poncts"
if x[0] != "apos"
if x[0] != "symbol"
#x[1] = "pour" if x[1] == "pr"
#x[1] = "putain" if x[1] == "ptn"
#x[1] = "maintenant" if x[1] == "mnt"
#x[1] = "beaucoup" if x[1] == "bcp"
x[1] = "isn't" if x[1] == "isnt"
x[1] = "aren't" if x[1] == "arent"
x[1] = "wasn't" if x[1] == "wasnt"
x[1] = "weren't" if x[1] == "werent"
x[1] = "haven't" if x[1] == "havent"
x[1] = "hasn't" if x[1] == "hasnt"
x[1] = "hadn't" if x[1] == "hadnt"
x[1] = "won't" if x[1] == "wont"
x[1] = "wouldn't" if x[1] == "wouldnt"
x[1] = "don't" if x[1] == "dont"
x[1] = "doesn't" if x[1] == "doesnt"
x[1] = "didn't" if x[1] == "didnt"
x[1] = "can't" if x[1] == "cant"
x[1] = "couldn't" if x[1] == "couldnt"
x[1] = "shouldn't" if x[1] == "shouldnt"
x[1] = "mightn't" if x[1] == "mightnt"
x[1] = "mustn't" if x[1] == "mustnt"
if x[0] == "twitter_hashtag"
hash_tags.push( x[1] )
end
y.push(x[1])
end
end
end
end
end
end
end
end
return y.join(" "), hash_tags
end
def tokenize(str)
y = Array.new
evaluator = TokenizerTwitter.new
ar = evaluator.tokenize( _html( _accent( squeezeWhitespace( _downcase( _cleanword( _convert( str ) ) ) ) ) ) )
ar.each do |x|
if x[0] != "ponctw"
if x[0] != "space"
if x[0] != "sgmltag"
if x[0] != "hyphen"
if x[0] != "poncts"
if x[0] != "apos"
if x[0] != "symbol"
x[1] = "isn't" if x[1] == "isnt"
x[1] = "aren't" if x[1] == "arent"
x[1] = "wasn't" if x[1] == "wasnt"
x[1] = "weren't" if x[1] == "werent"
x[1] = "haven't" if x[1] == "havent"
x[1] = "hasn't" if x[1] == "hasnt"
x[1] = "hadn't" if x[1] == "hadnt"
x[1] = "won't" if x[1] == "wont"
x[1] = "wouldn't" if x[1] == "wouldnt"
x[1] = "don't" if x[1] == "dont"
x[1] = "doesn't" if x[1] == "doesnt"
x[1] = "didn't" if x[1] == "didnt"
x[1] = "can't" if x[1] == "cant"
x[1] = "couldn't" if x[1] == "couldnt"
x[1] = "shouldn't" if x[1] == "shouldnt"
x[1] = "mightn't" if x[1] == "mightnt"
x[1] = "mustn't" if x[1] == "mustnt"
if x[1] != ".."
if x[1] != "..."
y.push(x[1])
end
end
end
end
end
end
end
end
end
end
return y.join(" ")
end
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