Sha256: d3fcd7617022eb3f32a2d5885618f79041d8763006ff0f8b106955103c0386bd
Contents?: true
Size: 1.6 KB
Versions: 40
Compression:
Stored size: 1.6 KB
Contents
# frozen_string_literal: true
module Bundler::Molinillo
# A state that a {Resolution} can be in
# @attr [String] name the name of the current requirement
# @attr [Array<Object>] requirements currently unsatisfied requirements
# @attr [DependencyGraph] activated the graph of activated dependencies
# @attr [Object] requirement the current requirement
# @attr [Object] possibilities the possibilities to satisfy the current requirement
# @attr [Integer] depth the depth of the resolution
# @attr [Set<Object>] conflicts unresolved conflicts
ResolutionState = Struct.new(
:name,
:requirements,
:activated,
:requirement,
:possibilities,
:depth,
:conflicts
)
class ResolutionState
# Returns an empty resolution state
# @return [ResolutionState] an empty state
def self.empty
new(nil, [], DependencyGraph.new, nil, nil, 0, Set.new)
end
end
# A state that encapsulates a set of {#requirements} with an {Array} of
# possibilities
class DependencyState < ResolutionState
# Removes a possibility from `self`
# @return [PossibilityState] a state with a single possibility,
# the possibility that was removed from `self`
def pop_possibility_state
PossibilityState.new(
name,
requirements.dup,
activated,
requirement,
[possibilities.pop],
depth + 1,
conflicts.dup
).tap do |state|
state.activated.tag(state)
end
end
end
# A state that encapsulates a single possibility to fulfill the given
# {#requirement}
class PossibilityState < ResolutionState
end
end
Version data entries
40 entries across 40 versions & 3 rubygems