Class: DataIsland

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(location, opts = {}) ⇒ DataIsland

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



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# File 'lib/dataisland.rb', line 15

def initialize(location, opts={})
  
  buffer, typex = RXFHelper.read(location)
  @html_doc = Rexle.new(buffer.sub(/^<!DOCTYPE html>/,''))

  a = @html_doc.css('//script[@class="dataisland"]')
  a.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], opts)

    location2 = case h[:data]
      when /^https?:\/\//
        h[:data]
      when /^\//
        @location + h[:data]
      else
        @location +'/' + h[:data]
    end
    
    dynarex = Dynarex.new location2, opts      
    
    if (h[:order] and h[:order][/^desc|descending$/]) \
        or dynarex.order = 'descending' then
      #records = dynarex.flat_records.reverse
      records = dynarex.flat_records
    else
      records = dynarex.flat_records
    end

    xpath = "//*[@datasrc='" + '#' + h[:id] + "']"
    
    @html_doc.xpath(xpath).each do |island|      
      render(records, x.attributes, island.element('//*[@datafld]'));
    end
    
    x.delete unless h[:data] =~ /^\{/
  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 11

def html_doc
  @html_doc
end