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net/http/header.rb: refactor

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* lib/net/http/header.rb (connection_close?): match headers
  without making intermediate arrays.

* lib/net/http/header.rb (connection_keep_alive?): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-04-25 07:56:07 +00:00
parent 7a0f0e258b
commit e83922a3ce
1 changed files with 8 additions and 12 deletions
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20
lib/net/http/header.rb
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@ -436,21 +436,17 @@ module Net::HTTPHeader
private :basic_encode
def connection_close?
tokens(@header['connection']).include?('close') or
tokens(@header['proxy-connection']).include?('close')
token = /(?:\A|,)\s*close\s*(?:\z|,)/i
@header['connection']&.grep(token) {return true}
@header['proxy-connection']&.grep(token) {return true}
false
end
def connection_keep_alive?
tokens(@header['connection']).include?('keep-alive') or
tokens(@header['proxy-connection']).include?('keep-alive')
token = /(?:\A|,)\s*keep-alive\s*(?:\z|,)/i
@header['connection']&.grep(token) {return true}
@header['proxy-connection']&.grep(token) {return true}
false
end
def tokens(vals)
return [] unless vals
vals.map {|v| v.split(',') }.flatten\
.reject {|str| str.strip.empty? }\
.map {|tok| tok.strip.downcase }
end
private :tokens
end