Class: DataIsland

Inherits:
Object
  • Object
show all
Defined in:
lib/dataisland.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(location) ⇒ DataIsland

e.g. url = ‘jamesrobertson.eu/index-template.html’



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# File 'lib/dataisland.rb', line 16

def initialize(location)

  buffer, typex = RXFHelper.read(location)
  @html_doc = Rexle.new(buffer)

  #exit
  @html_doc.xpath('//script[@class="dataisland"]').map(&:delete)    
  @html_doc.xpath('//div[@datactl]').map(&:delete)

  @html_doc.root.element('body').attributes.delete :onload

  h = @html_doc.element('//object').attributes

  path = { url: -> {File.dirname(location)}, 
          file: -> {File.expand_path(File.dirname(location))}, 
           xml: -> {File.expand_path('.')}}    

  @location = path[typex].call

  @html_doc.xpath("//object[@type='text/xml']").each do |x|

    h = x.attributes

    tmp, type2 = RXFHelper.read(h[:data])
    
    location2 = case h[:data]
      when /^https?:\/\//
        h[:data]
      when /^\//
        @location + h[:data]
      else
        @location +'/' + h[:data]
    end

    dynarex = Dynarex.new location2
    
    records = (h[:order] and h[:order][/^desc|descending$/]) ? 
      dynarex.flat_records.reverse : dynarex.flat_records

    xpath = "//*[@datasrc='" + '#' + h[:id] + "']"

    @html_doc.xpath(xpath).each do |island|      
      render(records, x.attributes, island.element('//*[@datafld]'));
    end
    
    x.delete
  end
end

Instance Attribute Details

#html_doc ⇒ Object (readonly)

Returns the value of attribute html_doc.



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# File 'lib/dataisland.rb', line 12

def html_doc
  @html_doc
end