Class: HTree::GenCode::CDATABuffer

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

Constant Summary collapse

ChRef = 
{
  '&' => '&',
  '<' => '&lt;',
  '>' => '&gt;',
  '"' => '&quot;',
}

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CDATABuffer

Returns a new instance of CDATABuffer.



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# File 'lib/htree/gencode.rb', line 39

def initialize
  @buf = ''
end

Instance Method Details

#html_output? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/htree/gencode.rb', line 43

def html_output?
  true
end

#not_valid_for_html_cdata(*args) ⇒ Object Also known as: output_slash_if_xml, output_cdata_content, output_dynamic_attvalue

Raises:

  • (ArgumentError) 


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# File 'lib/htree/gencode.rb', line 47

def not_valid_for_html_cdata(*args)
  raise ArgumentError, "CDATA content only accept texts."
end

#output_dynamic_text(string) ⇒ Object 



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# File 'lib/htree/gencode.rb', line 69

def output_dynamic_text(string)
  if string.respond_to? :rcdata
    @buf << string.rcdata.gsub(/[<>]/) { ChRef[$&] }
  else
    @buf << string.to_s.gsub(/[&<>]/) { ChRef[$&] }
  end
end

#output_string(string) ⇒ Object 



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# File 'lib/htree/gencode.rb', line 54

def output_string(string)
  @buf << string
end

#output_text(string) ⇒ Object 



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# File 'lib/htree/gencode.rb', line 58

def output_text(string)
  @buf << string
end

#result ⇒ Object 



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# File 'lib/htree/gencode.rb', line 77

def result
  if %r{[<>]} =~ @buf
    raise ArgumentError, "cdata contains non-text : #{@buf.inspect}"
  end
  str = HTree::Text.parse_pcdata(@buf).to_s
  if %r{</} =~ str
    raise ArgumentError, "cdata contains '</' : #{str.inspect}"
  end
  str
end