Current File : //opt/alt/ruby26/lib64/ruby/2.6.0/bundler/index.rb
# frozen_string_literal: true
require "set"
module Bundler
class Index
include Enumerable
def self.build
i = new
yield i
i
end
attr_reader :specs, :all_specs, :sources
protected :specs, :all_specs
RUBY = "ruby".freeze
NULL = "\0".freeze
def initialize
@sources = []
@cache = {}
@specs = Hash.new {|h, k| h[k] = {} }
@all_specs = Hash.new {|h, k| h[k] = EMPTY_SEARCH }
end
def initialize_copy(o)
@sources = o.sources.dup
@cache = {}
@specs = Hash.new {|h, k| h[k] = {} }
@all_specs = Hash.new {|h, k| h[k] = EMPTY_SEARCH }
o.specs.each do |name, hash|
@specs[name] = hash.dup
end
o.all_specs.each do |name, array|
@all_specs[name] = array.dup
end
end
def inspect
"#<#{self.class}:0x#{object_id} sources=#{sources.map(&:inspect)} specs.size=#{specs.size}>"
end
def empty?
each { return false }
true
end
def search_all(name)
all_matches = local_search(name) + @all_specs[name]
@sources.each do |source|
all_matches.concat(source.search_all(name))
end
all_matches
end
# Search this index's specs, and any source indexes that this index knows
# about, returning all of the results.
def search(query, base = nil)
sort_specs(unsorted_search(query, base))
end
def unsorted_search(query, base)
results = local_search(query, base)
seen = results.map(&:full_name).to_set unless @sources.empty?
@sources.each do |source|
source.unsorted_search(query, base).each do |spec|
results << spec if seen.add?(spec.full_name)
end
end
results
end
protected :unsorted_search
def self.sort_specs(specs)
specs.sort_by do |s|
platform_string = s.platform.to_s
[s.version, platform_string == RUBY ? NULL : platform_string]
end
end
def sort_specs(specs)
self.class.sort_specs(specs)
end
def local_search(query, base = nil)
case query
when Gem::Specification, RemoteSpecification, LazySpecification, EndpointSpecification then search_by_spec(query)
when String then specs_by_name(query)
when Gem::Dependency then search_by_dependency(query, base)
when DepProxy then search_by_dependency(query.dep, base)
else
raise "You can't search for a #{query.inspect}."
end
end
alias_method :[], :search
def <<(spec)
@specs[spec.name][spec.full_name] = spec
spec
end
def each(&blk)
return enum_for(:each) unless blk
specs.values.each do |spec_sets|
spec_sets.values.each(&blk)
end
sources.each {|s| s.each(&blk) }
self
end
def spec_names
names = specs.keys + sources.map(&:spec_names)
names.uniq!
names
end
# returns a list of the dependencies
def unmet_dependency_names
dependency_names.select do |name|
name != "bundler" && search(name).empty?
end
end
def dependency_names
names = []
each do |spec|
spec.dependencies.each do |dep|
next if dep.type == :development
names << dep.name
end
end
names.uniq
end
def use(other, override_dupes = false)
return unless other
other.each do |s|
if (dupes = search_by_spec(s)) && !dupes.empty?
# safe to << since it's a new array when it has contents
@all_specs[s.name] = dupes << s
next unless override_dupes
end
self << s
end
self
end
def size
@sources.inject(@specs.size) do |size, source|
size += source.size
end
end
# Whether all the specs in self are in other
# TODO: rename to #include?
def ==(other)
all? do |spec|
other_spec = other[spec].first
other_spec && dependencies_eql?(spec, other_spec) && spec.source == other_spec.source
end
end
def dependencies_eql?(spec, other_spec)
deps = spec.dependencies.select {|d| d.type != :development }
other_deps = other_spec.dependencies.select {|d| d.type != :development }
Set.new(deps) == Set.new(other_deps)
end
def add_source(index)
raise ArgumentError, "Source must be an index, not #{index.class}" unless index.is_a?(Index)
@sources << index
@sources.uniq! # need to use uniq! here instead of checking for the item before adding
end
private
def specs_by_name(name)
@specs[name].values
end
def search_by_dependency(dependency, base = nil)
@cache[base || false] ||= {}
@cache[base || false][dependency] ||= begin
specs = specs_by_name(dependency.name)
specs += base if base
found = specs.select do |spec|
next true if spec.source.is_a?(Source::Gemspec)
if base # allow all platforms when searching from a lockfile
dependency.matches_spec?(spec)
else
dependency.matches_spec?(spec) && Gem::Platform.match(spec.platform)
end
end
found
end
end
EMPTY_SEARCH = [].freeze
def search_by_spec(spec)
spec = @specs[spec.name][spec.full_name]
spec ? [spec] : EMPTY_SEARCH
end
end
end
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