mirror of https://gitee.com/bigwinds/arangodb
53 lines
1.1 KiB
Ruby
53 lines
1.1 KiB
Ruby
class String
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def lstrip
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a = 0
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z = self.size - 1
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a += 1 while " \f\n\r\t\v".include?(self[a]) and a <= z
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(z >= 0) ? self[a..z] : ""
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end
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def rstrip
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a = 0
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z = self.size - 1
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z -= 1 while " \f\n\r\t\v\0".include?(self[z]) and a <= z
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(z >= 0) ? self[a..z] : ""
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end
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def strip
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a = 0
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z = self.size - 1
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a += 1 while " \f\n\r\t\v".include?(self[a]) and a <= z
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z -= 1 while " \f\n\r\t\v\0".include?(self[z]) and a <= z
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(z >= 0) ? self[a..z] : ""
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end
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def lstrip!
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s = self.lstrip
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(s == self) ? nil : self.replace(s)
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end
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def rstrip!
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s = self.rstrip
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(s == self) ? nil : self.replace(s)
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end
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def strip!
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s = self.strip
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(s == self) ? nil : self.replace(s)
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end
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# call-seq:
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# str.casecmp(other_str) -> -1, 0, +1 or nil
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#
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# Case-insensitive version of <code>String#<=></code>.
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#
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# "abcdef".casecmp("abcde") #=> 1
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# "aBcDeF".casecmp("abcdef") #=> 0
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# "abcdef".casecmp("abcdefg") #=> -1
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# "abcdef".casecmp("ABCDEF") #=> 0
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#
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def casecmp(str)
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self.downcase <=> str.downcase
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end
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end
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