晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/opt/alt/ruby27/share/ruby/rss/
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Current File : //opt/alt/ruby27/share/ruby/rss/xml.rb
# frozen_string_literal: false
require_relative "utils"

module RSS
  module XML
    class Element
      include Enumerable

      attr_reader :name, :prefix, :uri, :attributes, :children
      def initialize(name, prefix=nil, uri=nil, attributes={}, children=[])
        @name = name
        @prefix = prefix
        @uri = uri
        @attributes = attributes
        if children.is_a?(String) or !children.respond_to?(:each)
          @children = [children]
        else
          @children = children
        end
      end

      def [](name)
        @attributes[name]
      end

      def []=(name, value)
        @attributes[name] = value
      end

      def <<(child)
        @children << child
      end

      def each(&block)
        @children.each(&block)
      end

      def ==(other)
        other.kind_of?(self.class) and
          @name == other.name and
          @uri == other.uri and
          @attributes == other.attributes and
          @children == other.children
      end

      def to_s
        rv = "<#{full_name}"
        attributes.each do |key, value|
          rv << " #{Utils.html_escape(key)}=\"#{Utils.html_escape(value)}\""
        end
        if children.empty?
          rv << "/>"
        else
          rv << ">"
          children.each do |child|
            rv << child.to_s
          end
          rv << "</#{full_name}>"
        end
        rv
      end

      def full_name
        if @prefix
          "#{@prefix}:#{@name}"
        else
          @name
        end
      end
    end
  end
end