Class: Phlex::SVG

Inherits:
SGML
  • Object
show all
Includes:
StandardElements
Defined in:
lib/phlex/svg.rb

Defined Under Namespace

Modules: StandardElements

Constant Summary

Constants included from Phlex::SGML::Elements

Phlex::SGML::Elements::COMMA_SEPARATED_TOKENS

Instance Method Summary collapse

Methods included from Phlex::SGML::Elements

#__register_void_element__, #__registered_elements__, #register_element

Methods inherited from SGML

__compile__, #__map_exception__, #cache, #call, call, #capture, #comment, #context, #flush, #fragment, #internal_call, #json_escape, #low_level_cache, new, #plain, #raw, #render, #rendering?, #safe, #to_proc, #view_template, #whitespace

Instance Method Details

#cdata(content = nil, &block) ⇒ Object 



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# File 'lib/phlex/svg.rb', line 16

def cdata(content = nil, &block)
  state = @_state
  return unless state.should_render?

  if !block && String === content
    state.buffer << "<![CDATA[" << content.gsub("]]>", "]]>]]<![CDATA[") << "]]>"
  elsif block && nil == content
    state.buffer << "<![CDATA[" << capture(&block).gsub("]]>", "]]>]]<![CDATA[") << "]]>"
  else

    raise Phlex::ArgumentError.new("Expected a String or block.")
  end
end

#content_type ⇒ Object

Returns the string “image/svg+xml”



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# File 'lib/phlex/svg.rb', line 7

def content_type
  "image/svg+xml"
end

#filename ⇒ Object

Override to provide a filename for the SVG file



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# File 'lib/phlex/svg.rb', line 12

def filename
  nil
end

#tag(name, **attributes) ⇒ Object 



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# File 'lib/phlex/svg.rb', line 30

def tag(name, **attributes, &)
  state = @_state
  block_given = block_given?
  buffer = state.buffer

  unless state.should_render?
    yield(self) if block_given
    return nil
  end

  unless Symbol === name
    raise Phlex::ArgumentError.new("Expected the tag name to be a Symbol.")
  end

  if (tag = StandardElements.__registered_elements__[name]) || (tag = name.name.tr("_", "-")).include?("-")
    if attributes.length > 0 # with attributes
      if block_given # with content block
        buffer << "<#{tag}" << (Phlex::ATTRIBUTE_CACHE[attributes] ||= Phlex::SGML::Attributes.generate_attributes(attributes)) << ">"
        __yield_content__(&)
        buffer << "</#{tag}>"
      else # without content
        buffer << "<#{tag}" << (::Phlex::ATTRIBUTE_CACHE[attributes] ||= Phlex::SGML::Attributes.generate_attributes(attributes)) << "></#{tag}>"
      end
    else # without attributes
      if block_given # with content block
        buffer << ("<#{tag}>")
        __yield_content__(&)
        buffer << "</#{tag}>"
      else # without content
        buffer << "<#{tag}></#{tag}>"
      end
    end
  else
    raise Phlex::ArgumentError.new("Invalid SVG tag: #{name}")
  end
end