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Build the version scanner regexp once

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This commit is contained in:
Jack Nagel 2014-04-03 11:19:57 -05:00
parent fab77a8cbd
commit 33c99123f2
1 changed files with 10 additions and 10 deletions
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20
Library/Homebrew/version.rb
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@ -146,6 +146,15 @@ class Version
end
end
SCAN_PATTERN = Regexp.union(
AlphaToken::PATTERN,
BetaToken::PATTERN,
RCToken::PATTERN,
PatchToken::PATTERN,
NumericToken::PATTERN,
StringToken::PATTERN
)
def self.new_with_scheme(value, scheme)
if Class === scheme && scheme.ancestors.include?(Version)
scheme.new(value)
@ -221,16 +230,7 @@ class Version
end
def tokenize
@version.scan(
Regexp.union(
AlphaToken::PATTERN,
BetaToken::PATTERN,
RCToken::PATTERN,
PatchToken::PATTERN,
NumericToken::PATTERN,
StringToken::PATTERN
)
).map! do |token|
@version.scan(SCAN_PATTERN).map! do |token|
case token
when /\A#{AlphaToken::PATTERN}\z/o then AlphaToken
when /\A#{BetaToken::PATTERN}\z/o then BetaToken