parser

require "rexml/document"
include REXML
class CardInfo
    attr :rules, :name, :cost, :type, :subtypes
    def initialize(name , cost = "" , rules = [],  types = {})
        @name = name
        @cost = cost
        @rules = rules
        @type = types['type']
        @subtypes = types['subtypes']
    end
    def to_s
        puts "\"#{@name}\"" + " #{@cost}"
        @subtypes.empty? ? puts("#{@type}") : puts("#{@type}" + " - " + "#{@subtypes.join(" ")}")
        puts "#{@rules.join("\n")}"
    end
end
class CardParser
    def self.parseFile(path)
        cards = []
        doc = Document.new File.open(path, "r")
        doc.root.elements.to_a("card").each { |x| cards << parseCard(x)}
        cards
    end
    def self.parseCard(card)
        rules = []
        card.elements["rulelist"].nil? ? rules = [] : card.elements["rulelist"].elements.to_a.each {|rule| rules << rule.text}
        types = []
        card.elements["typelist"].nil? ? types = {} : types = parseType(card.elements["typelist"].to_a)
        card.elements["cost"].nil? ? cost = "" : cost = card.elements["cost"].text
        CardInfo.new(card.elements["name"].text, cost, rules, types )
    end
    def self.parseType(typelist)
        types = {"type" => "","subtypes" => []}
        typelist.each {
            |type|
            if type.class == REXML::Element
                type.attributes['type'] == "card" ? types["type"] = type.text : types["subtypes"] << type.text
            end
        }
        types
    end
end

infos = CardParser.parseFile("cards.xml")
infos.each {|c| c.to_s}