Class: REHTML::REXMLBuilder

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

Constant Summary collapse

EMPTY_TAGS = 
Set.new %w[area base br col embed hr img input keygen link meta param source track wbr isindex basefont]
CDATA_TAGS = 
Set.new %w[script style textarea xmp title]

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#doc ⇒ Object (readonly)

Returns the value of attribute doc.



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# File 'lib/rehtml/builder.rb', line 7

def doc
  @doc
end

Instance Method Details

#append(node) ⇒ Object

append node to document



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# File 'lib/rehtml/builder.rb', line 19

def append(node)
  if node.is_a?(EndTag)
    return if empty_tag?(node.name)
    po = @pos
    while po.parent and po.name != node.name
      po = po.parent
    end
    if po.name == node.name
      @pos = po.parent
    end
  else
    rexml = to_rexml(node)

    # if node is second root element, add root element wrap html tag
    if rexml.is_a?(REXML::Element) and @pos == @doc and @doc.root
      if @doc.root.name != 'html'
        html = REXML::Element.new
        html.name = "html"
        i = @doc.root.index_in_parent-1
        while pos = @doc.delete_at(i)
          @doc.delete_element(pos) if pos.is_a?(REXML::Element)
          html << pos
        end
        @doc << html
        @pos = html
      end
      @pos = @doc.root
    end
    @pos << rexml
    if rexml.is_a?(REXML::Element) and !empty_tag?(node.name) and !node.empty?
      @pos = rexml
    end
  end
end

#parse(tokenizer) ⇒ Object

build document use tokenizer



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# File 'lib/rehtml/builder.rb', line 10

def parse(tokenizer)
  @doc = REXML::Document.new
  @pos = @doc
  while node=tokenizer.next
    append(node)
  end
end