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unicode_normalize/normalize.rb: simplify

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* lib/unicode_normalize/normalize.rb (NF_HASH_{D,C,K}): remove
  first element by Hash#shift.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48045 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-10-20 05:00:58 +00:00
parent 3a2f81cf9a
commit 7f652dc6cf
1 changed files with 3 additions and 3 deletions
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6
lib/unicode_normalize/normalize.rb
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@ -14,15 +14,15 @@ module UnicodeNormalize
REGEXP_C = Regexp.compile(REGEXP_C_STRING, Regexp::EXTENDED)
REGEXP_K = Regexp.compile(REGEXP_K_STRING, Regexp::EXTENDED)
NF_HASH_D = Hash.new do |hash, key|
hash.delete hash.first[0] if hash.length>MAX_HASH_LENGTH # prevent DoS attack
hash.shift if hash.length>MAX_HASH_LENGTH # prevent DoS attack
hash[key] = nfd_one(key)
end
NF_HASH_C = Hash.new do |hash, key|
hash.delete hash.first[0] if hash.length>MAX_HASH_LENGTH # prevent DoS attack
hash.shift if hash.length>MAX_HASH_LENGTH # prevent DoS attack
hash[key] = nfc_one(key)
end
NF_HASH_K = Hash.new do |hash, key|
hash.delete hash.first[0] if hash.length>MAX_HASH_LENGTH # prevent DoS attack
hash.shift if hash.length>MAX_HASH_LENGTH # prevent DoS attack
hash[key] = nfkd_one(key)
end