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require "semantic_range/version"
require "semantic_range/pre_release"
require "semantic_range/range"
require "semantic_range/comparator"
module SemanticRange
BUILDIDENTIFIER = /[0-9A-Za-z-]+/
BUILD = /(?:\+(#{BUILDIDENTIFIER.source}(?:\.#{BUILDIDENTIFIER.source})*))/
NUMERICIDENTIFIER = /0|[1-9]\d*/
NUMERICIDENTIFIERLOOSE = /[0-9]+/
NONNUMERICIDENTIFIER = /\d*[a-zA-Z-][a-zA-Z0-9-]*/
XRANGEIDENTIFIERLOOSE = /#{NUMERICIDENTIFIERLOOSE.source}|x|X|\*/
PRERELEASEIDENTIFIERLOOSE = /(?:#{NUMERICIDENTIFIERLOOSE.source}|#{NONNUMERICIDENTIFIER.source})/
PRERELEASELOOSE = /(?:-?(#{PRERELEASEIDENTIFIERLOOSE.source}(?:\.#{PRERELEASEIDENTIFIERLOOSE.source})*))/
XRANGEPLAINLOOSE = /[v=\s]*(#{XRANGEIDENTIFIERLOOSE.source})(?:\.(#{XRANGEIDENTIFIERLOOSE.source})(?:\.(#{XRANGEIDENTIFIERLOOSE.source})(?:#{PRERELEASELOOSE.source})?#{BUILD.source}?)?)?/
HYPHENRANGELOOSE = /^\s*(#{XRANGEPLAINLOOSE.source})\s+-\s+(#{XRANGEPLAINLOOSE.source})\s*$/
PRERELEASEIDENTIFIER = /(?:#{NUMERICIDENTIFIER.source}|#{NONNUMERICIDENTIFIER.source})/
PRERELEASE = /(?:-(#{PRERELEASEIDENTIFIER.source}(?:\.#{PRERELEASEIDENTIFIER.source})*))/
XRANGEIDENTIFIER = /#{NUMERICIDENTIFIER.source}|x|X|\*/
XRANGEPLAIN = /[v=\s]*(#{XRANGEIDENTIFIER.source})(?:\.(#{XRANGEIDENTIFIER.source})(?:\.(#{XRANGEIDENTIFIER.source})(?:#{PRERELEASE.source})?#{BUILD.source}?)?)?/
HYPHENRANGE = /^\s*(#{XRANGEPLAIN.source})\s+-\s+(#{XRANGEPLAIN.source})\s*$/
MAINVERSIONLOOSE = /(#{NUMERICIDENTIFIERLOOSE.source})\.(#{NUMERICIDENTIFIERLOOSE.source})\.(#{NUMERICIDENTIFIERLOOSE.source})/
LOOSEPLAIN = /[v=\s]*#{MAINVERSIONLOOSE.source}#{PRERELEASELOOSE.source}?#{BUILD.source}?/
GTLT = /((?:<|>)?=?)/
COMPARATORTRIM = /(\s*)#{GTLT.source}\s*(#{LOOSEPLAIN.source}|#{XRANGEPLAIN.source})/
LONETILDE = /(?:~>?)/
TILDETRIM = /(\s*)#{LONETILDE.source}\s+/
LONECARET = /(?:\^)/
CARETTRIM = /(\s*)#{LONECARET.source}\s+/
STAR = /(<|>)?=?\s*\*/
CARET = /^#{LONECARET.source}#{XRANGEPLAIN.source}$/
CARETLOOSE = /^#{LONECARET.source}#{XRANGEPLAINLOOSE.source}$/
MAINVERSION = /(#{NUMERICIDENTIFIER.source})\.(#{NUMERICIDENTIFIER.source})\.(#{NUMERICIDENTIFIER.source})/
FULLPLAIN = /v?#{MAINVERSION.source}#{PRERELEASE.source}?#{BUILD.source}?/
FULL = /^#{FULLPLAIN.source}$/
LOOSE = /^#{LOOSEPLAIN.source}$/
TILDE = /^#{LONETILDE.source}#{XRANGEPLAIN.source}$/
TILDELOOSE = /^#{LONETILDE.source}#{XRANGEPLAINLOOSE.source}$/
XRANGE = /^#{GTLT.source}\s*#{XRANGEPLAIN.source}$/
XRANGELOOSE = /^#{GTLT.source}\s*#{XRANGEPLAINLOOSE.source}$/
COMPARATOR = /^#{GTLT.source}\s*(#{FULLPLAIN.source})$|^$/
COMPARATORLOOSE = /^#{GTLT.source}\s*(#{LOOSEPLAIN.source})$|^$/
ANY = {}
MAX_LENGTH = 256
class InvalidIncrement < StandardError; end
class InvalidVersion < StandardError; end
class InvalidComparator < StandardError; end
class InvalidRange < StandardError; end
def self.ltr?(version, range, loose: false, platform: nil)
outside?(version, range, '<', loose: loose, platform: platform)
end
def self.gtr?(version, range, loose: false, platform: nil)
outside?(version, range, '>', loose: loose, platform: platform)
end
def self.cmp(a, op, b, loose: false)
case op
when '==='
a = a.version if !a.is_a?(String)
b = b.version if !b.is_a?(String)
a == b
when '!=='
a = a.version if !a.is_a?(String)
b = b.version if !b.is_a?(String)
a != b
when '', '=', '=='
eq?(a, b, loose: loose)
when '!='
neq?(a, b, loose: loose)
when '>'
gt?(a, b, loose: loose)
when '>='
gte?(a, b, loose: loose)
when '<'
lt?(a, b, loose: loose)
when '<='
lte?(a, b, loose: loose)
else
raise 'Invalid operator: ' + op
end
end
def self.outside?(version, range, hilo, loose: false, platform: nil)
version = Version.new(version, loose: loose)
range = Range.new(range, loose: loose, platform: platform)
return false if satisfies?(version, range, loose: loose, platform: platform)
case hilo
when '>'
comp = '>'
ecomp = '>='
when '<'
comp = '<'
ecomp = '<='
end
range.set.each do |comparators|
high = nil
low = nil
comparators.each do |comparator|
if comparator.semver == ANY
comparator = Comparator.new('>=0.0.0', loose)
end
high = high || comparator
low = low || comparator
case hilo
when '>'
if gt?(comparator.semver, high.semver, loose: loose)
high = comparator
elsif lt?(comparator.semver, low.semver, loose: loose)
low = comparator
end
when '<'
if lt?(comparator.semver, high.semver, loose: loose)
high = comparator
elsif gt?(comparator.semver, low.semver, loose: loose)
low = comparator
end
end
end
return false if (high.operator == comp || high.operator == ecomp)
case hilo
when '>'
if (low.operator.empty? || low.operator == comp) && lte?(version, low.semver, loose: loose)
return false;
elsif (low.operator == ecomp && lt?(version, low.semver, loose: loose))
return false;
end
when '<'
if (low.operator.empty? || low.operator == comp) && gte?(version, low.semver, loose: loose)
return false;
elsif low.operator == ecomp && gt?(version, low.semver, loose: loose)
return false;
end
end
end
true
end
def self.satisfies?(version, range, loose: false, platform: nil)
return false if !valid_range(range, loose: loose, platform: platform)
Range.new(range, loose: loose, platform: platform).test(version)
end
def self.filter(versions, range, loose: false, platform: nil)
return [] if !valid_range(range, loose: loose, platform: platform)
versions.filter { |v| SemanticRange.satisfies?(v, range, loose: loose, platform: platform) }
end
def self.max_satisfying(versions, range, loose: false, platform: nil)
versions.select { |version|
satisfies?(version, range, loose: loose, platform: platform)
}.sort { |a, b|
rcompare(a, b, loose: loose)
}[0] || nil
end
def self.valid_range(range, loose: false, platform: nil)
begin
r = Range.new(range, loose: loose, platform: platform).range
r = '*' if r.nil? || r.empty?
r
rescue
nil
end
end
def self.compare(a, b, loose: false)
Version.new(a, loose: loose).compare(b)
end
def self.compare_loose(a, b)
compare(a, b, loose: true)
end
def self.rcompare(a, b, loose: false)
compare(b, a, loose: true)
end
def self.sort(list, loose: false)
# TODO
end
def self.rsort(list, loose: false)
# TODO
end
def self.lt?(a, b, loose: false)
compare(a, b, loose: loose) < 0
end
def self.gt?(a, b, loose: false)
compare(a, b, loose: loose) > 0
end
def self.eq?(a, b, loose: false)
compare(a, b, loose: loose) == 0
end
def self.neq?(a, b, loose: false)
compare(a, b, loose: loose) != 0
end
def self.gte?(a, b, loose: false)
compare(a, b, loose: loose) >= 0
end
def self.lte?(a, b, loose: false)
compare(a, b, loose: loose) <= 0
end
def self.valid(version, loose: false)
v = parse(version, loose: loose)
return v ? v.version : nil
end
def self.clean(version, loose: false)
s = parse(version.strip.gsub(/^[=v]+/, ''), loose: loose)
return s ? s.version : nil
end
def self.parse(version, loose: false)
return version if version.is_a?(Version)
return nil unless version.is_a?(String)
stripped_version = version.strip
return nil if stripped_version.length > MAX_LENGTH
rxp = loose ? LOOSE : FULL
return nil if !rxp.match(stripped_version)
Version.new(stripped_version, loose: loose)
end
def self.increment!(version, release, identifier, loose: false)
Version.new(version, loose: loose).increment!(release, identifier).version
rescue InvalidIncrement, InvalidVersion
nil
end
def self.diff(a, b)
a = Version.new(a, loose: false) unless a.kind_of?(Version)
b = Version.new(b, loose: false) unless b.kind_of?(Version)
pre_diff = a.prerelease.to_s != b.prerelease.to_s
pre = pre_diff ? 'pre' : ''
return "#{pre}major" if a.major != b.major
return "#{pre}minor" if a.minor != b.minor
return "#{pre}patch" if a.patch != b.patch
return "prerelease" if pre_diff
end
def self.to_comparators(range, loose: false, platform: nil)
Range.new(range, loose: loose, platform: platform).set.map do |comp|
comp.map(&:to_s)
end
end
class << self
# Support for older non-inquisitive method versions
alias_method :gt, :gt?
alias_method :gtr, :gtr?
alias_method :gte, :gte?
alias_method :lt, :lt?
alias_method :ltr, :ltr?
alias_method :lte, :lte?
alias_method :eq, :eq?
alias_method :neq, :neq?
alias_method :outside, :outside?
alias_method :satisfies, :satisfies?
end
end
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