Module: Pantheios::Util::VersionUtil
- Defined in:
- lib/pantheios/util/version_util.rb
Overview
version utilities
Class Method Summary collapse
-
.version_compare(lhs, rhs) ⇒ Object
Compares two version designators and returns a spaceship comparison result.
Class Method Details
.version_compare(lhs, rhs) ⇒ Object
Compares two version designators and returns a spaceship comparison result
Signature
-
Parameters:
-
lhs
[String, Array] The left-hand comparand -
rhs
[String, Array] The right-hand comparand -
Returns:
-
0 if the two version designators represent exactly the same version
-
<0 if the
lhs
version designator represents an earlier version than therhs
version designator -
>0 if the
lhs
version designator represents a later version than therhs
version designator
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# File 'lib/pantheios/util/version_util.rb', line 23 def self.version_compare lhs, rhs lhs = lhs.split('.') if String === lhs rhs = rhs.split('.') if String === rhs lhs = lhs.map { |n| n.to_i } rhs = rhs.map { |n| n.to_i } if lhs.size < rhs.size lhs += [ 0 ] * (rhs.size - lhs.size) else rhs += [ 0 ] * (lhs.size - rhs.size) end lhs <=> rhs end |