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# frozen_string_literal: true
require 'rubygems/source'
##
# The SourceList represents the sources rubygems has been configured to use.
# A source may be created from an array of sources:
#
# Gem::SourceList.from %w[https://rubygems.example https://internal.example]
#
# Or by adding them:
#
# sources = Gem::SourceList.new
# sources << 'https://rubygems.example'
#
# The most common way to get a SourceList is Gem.sources.
class Gem::SourceList
include Enumerable
##
# Creates a new SourceList
def initialize
@sources = []
end
##
# The sources in this list
attr_reader :sources
##
# Creates a new SourceList from an array of sources.
def self.from(ary)
list = new
list.replace ary
return list
end
def initialize_copy(other) # :nodoc:
@sources = @sources.dup
end
##
# Appends +obj+ to the source list which may be a Gem::Source, URI or URI
# String.
def <<(obj)
src = case obj
when URI
Gem::Source.new(obj)
when Gem::Source
obj
else
Gem::Source.new(URI.parse(obj))
end
@sources << src unless @sources.include?(src)
src
end
##
# Replaces this SourceList with the sources in +other+ See #<< for
# acceptable items in +other+.
def replace(other)
clear
other.each do |x|
self << x
end
self
end
##
# Removes all sources from the SourceList.
def clear
@sources.clear
end
##
# Yields each source URI in the list.
def each
@sources.each { |s| yield s.uri.to_s }
end
##
# Yields each source in the list.
def each_source(&b)
@sources.each(&b)
end
##
# Returns true if there are no sources in this SourceList.
def empty?
@sources.empty?
end
def == other # :nodoc:
to_a == other
end
##
# Returns an Array of source URI Strings.
def to_a
@sources.map { |x| x.uri.to_s }
end
alias_method :to_ary, :to_a
##
# Returns the first source in the list.
def first
@sources.first
end
##
# Returns true if this source list includes +other+ which may be a
# Gem::Source or a source URI.
def include?(other)
if other.kind_of? Gem::Source
@sources.include? other
else
@sources.find { |x| x.uri.to_s == other.to_s }
end
end
##
# Deletes +source+ from the source list which may be a Gem::Source or a URI.
def delete source
if source.kind_of? Gem::Source
@sources.delete source
else
@sources.delete_if { |x| x.uri.to_s == source.to_s }
end
end
end