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Size: 1.25 KB
Versions: 6
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Stored size: 1.25 KB
Contents
# frozen_string_literal: true
require 'cgi'
require 'json'
module Html2rss
##
# A naive implementation of "Object to XML": converts a Ruby object to XML format.
class ObjectToXmlConverter
OBJECT_TO_XML_TAGS = {
hash: ['<object>', '</object>'],
enumerable: ['<array>', '</array>']
}.freeze
##
# @param object [Object] any Ruby object (Hash, Array, String, Symbol, etc.)
def initialize(object)
@object = object
end
##
# Converts the object to XML format.
#
# @return [String] representing the object in XML
def call
object_to_xml(@object)
end
private
def object_to_xml(object)
case object
when Hash
hash_to_xml(object)
when Enumerable
enumerable_to_xml(object)
else
CGI.escapeHTML(object.to_s)
end
end
def hash_to_xml(object)
prefix, suffix = OBJECT_TO_XML_TAGS[:hash]
inner_xml = object.map { |key, value| "<#{key}>#{object_to_xml(value)}</#{key}>" }.join
"#{prefix}#{inner_xml}#{suffix}"
end
def enumerable_to_xml(object)
prefix, suffix = OBJECT_TO_XML_TAGS[:enumerable]
inner_xml = object.map { |value| object_to_xml(value) }.join
"#{prefix}#{inner_xml}#{suffix}"
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems