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Versions: 8
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Contents
# frozen_string_literal: true
module ProxyFetcher
class Document
# ProxyFetcher HTML parser adapters.
#
# ProxyFetcher default supported adapters are:
#
# * Nokogiri
# * Oga
#
# Any custom adapter can be used and must be inherited from
# <code>ProxyFetcher::Document::AbstractAdapter</code>.
class Adapters
# Adapters class name suffix
ADAPTER = "Adapter"
private_constant :ADAPTER
class << self
# Returns HTML parser adapter by it's name or class.
# If name is provided, then it looks for predefined classes
# in <code>ProxyFetcher::Document</code> namespace. Otherwise
# it just returns the passed class.
#
# @param name_or_class [String, Class]
# Adapter name or class
#
def lookup(name_or_class)
raise Exceptions::BlankAdapter if name_or_class.nil? || name_or_class.to_s.empty?
case name_or_class
when Symbol, String
adapter_name = "#{name_or_class.to_s.capitalize}#{ADAPTER}"
ProxyFetcher::Document.const_get(adapter_name)
else
name_or_class
end
rescue NameError
raise Exceptions::UnknownAdapter, name_or_class
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems