Sha256: 3d292f33f67cf40eb678ad6ada9461c8decc471b11dbdc6ca712c2f239033ee5
Contents?: true
Size: 1.7 KB
Versions: 11
Compression:
Stored size: 1.7 KB
Contents
module Vim
module Flavor
class VersionConstraint
attr_reader :base_version
# Specifies how to choose a suitable version according to base_version.
attr_reader :qualifier
def initialize(s)
@base_version, @qualifier = self.class.parse(s)
end
def to_s()
case
when PlainVersion === base_version
"#{qualifier} #{base_version}"
when BranchVersion === base_version
"#{qualifier} #{base_version.branch}"
else
throw "Unexpected base_version: #{base_version}"
end
end
def ==(other)
self.base_version == other.base_version &&
self.qualifier == other.qualifier
end
def self.parse(s)
m = /^\s*(>=|~>|branch:)\s+(\S+)\s*$/.match(s)
if m
if m[1] == 'branch:'
[Version.create(branch: m[2]), m[1]]
else
[Version.create(m[2]), m[1]]
end
else
raise "Invalid version constraint: #{s.inspect}"
end
end
def compatible?(version)
if qualifier == '~>'
PlainVersion === version and
self.base_version.bump() > version and
version >= self.base_version
elsif qualifier == '>='
PlainVersion === version and
version >= self.base_version
elsif qualifier == 'branch:'
BranchVersion === version and
version.branch == self.base_version.branch
else
raise NotImplementedError
end
end
def find_the_best_version(versions)
versions.
select {|v| compatible?(v)}.
max() or raise 'There is no valid version'
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems