module TCellAgent::Utils::Strings
Constants
- BLANK_RE
Public Class Methods
blank?(str)
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# File lib/tcell_agent/utils/strings.rb, line 6 def self.blank?(str) str.nil? || str.empty? || BLANK_RE === str end
java_hashcode(str)
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emulate the java String.hashcode() without upcasting to BigInt
# File lib/tcell_agent/utils/strings.rb, line 21 def self.java_hashcode(str) result = 0 str.each_codepoint do |cp| # prevent overflow into BigInt which would cause heap allocs + emulate c-style int32 signed add overflow result = ((((((result & 0x07FFFFFF) << 5) - result) + cp) + 0x80000000) & 0xFFFFFFFF) - 0x80000000 end result end
present?(str)
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# File lib/tcell_agent/utils/strings.rb, line 10 def self.present?(str) !blank?(str) end
remove_trailing_slash(path)
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# File lib/tcell_agent/utils/strings.rb, line 14 def self.remove_trailing_slash(path) return path.chomp('/') if path && path != '/' path end