Class: EsiForRack::Node::Context

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resolver, lookup) ⇒ Context

Returns a new instance of Context.



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# File 'lib/esi_for_rack/node.rb', line 89

def initialize(resolver, lookup)
  @resolver = resolver
  @lookup = lookup
  
  @include = Include.new
  @choose = Choose.new
  @vars = Vars.new
  @try = Try.new
  
end

Instance Attribute Details

#doc ⇒ Object (readonly)

Returns the value of attribute doc.



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# File 'lib/esi_for_rack/node.rb', line 87

def doc
  @doc
end

#lookup ⇒ Object (readonly)

Returns the value of attribute lookup.



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# File 'lib/esi_for_rack/node.rb', line 87

def lookup
  @lookup
end

#resolver ⇒ Object (readonly)

Returns the value of attribute resolver.



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# File 'lib/esi_for_rack/node.rb', line 87

def resolver
  @resolver
end

Instance Method Details

#parse(document) ⇒ Object 



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# File 'lib/esi_for_rack/node.rb', line 100

def parse(document)
  document.gsub!('esi:', 'esi_')
  
  @doc = Nokogiri::HTML(document)
  
  @doc.css('esi_comment').each do |esi_comment|
    esi_comment.replace(Nokogiri::XML::CDATA.new(doc, ''))
  end
  
  process(@doc)
  
  @doc
end

#process(doc_fragment) ⇒ Object 



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# File 'lib/esi_for_rack/node.rb', line 114

def process(doc_fragment)
  # have to go one at a time because of limitation of .css, its not a live list.
  while esi_node = doc_fragment.css('esi_try,esi_choose,esi_vars,esi_include')[0]
    case esi_node.name.to_sym
    when :esi_include
      @include.init(esi_node, self).execute_in_place!
    when :esi_choose
      @choose.init(esi_node, self).execute_in_place!
    when :esi_vars
      @vars.init(esi_node, self).execute_in_place!
    when :esi_try
      @try.init(esi_node, self).execute_in_place!
    end
  end
end