Class: Temple::HTML::Fast

Inherits:
Filter show all
Defined in:
lib/temple/html/fast.rb

Direct Known Subclasses

Pretty

Constant Summary collapse

DOCTYPES = 
{
  xml: {
    '1.1'          => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">',
    '5'            => '<!DOCTYPE html>',
    'html'         => '<!DOCTYPE html>',
    'strict'       => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
    'frameset'     => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">',
    'mobile'       => '<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.2//EN" "http://www.openmobilealliance.org/tech/DTD/xhtml-mobile12.dtd">',
    'basic'        => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd">',
    'transitional' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
    'svg'          => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'
  },
  html: {
    '5'            => '<!DOCTYPE html>',
    'html'         => '<!DOCTYPE html>',
    'strict'       => '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">',
    'frameset'     => '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">',
    'transitional' => '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">'
  }
}
HTML_VOID_ELEMENTS =

See www.w3.org/html/wg/drafts/html/master/single-page.html#void-elements

%w[area base br col embed hr img input keygen link menuitem meta param source track wbr]

Constants included from Utils

Utils::ESCAPE_HTML, Utils::ESCAPE_HTML_PATTERN

Instance Attribute Summary

Attributes included from Mixins::Options

#options

Instance Method Summary collapse

Methods included from Mixins::Options

included

Methods included from Mixins::ControlFlowDispatcher

#on_block, #on_case, #on_cond, #on_if

Methods included from Mixins::EscapeDispatcher

#on_escape

Methods included from Mixins::CoreDispatcher

#on_capture, #on_multi

Methods included from Mixins::CompiledDispatcher

#call, #compile

Methods included from Utils

#empty_exp?, #escape_html, #escape_html_safe, #indent_dynamic, #unique_name

Constructor Details

#initialize(opts = {}) ⇒ Fast

Returns a new instance of Fast.



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# File 'lib/temple/html/fast.rb', line 37

def initialize(opts = {})
  super
  @format = options[:format]
  unless [:xhtml, :html, :xml].include?(@format)
    if @format == :html4 || @format == :html5
      warn "Format #{@format.inspect} is deprecated, use :html"
      @format = :html
    else
      raise ArgumentError, "Invalid format #{@format.inspect}"
    end
  end
  wrapper = options[:js_wrapper]
  wrapper = @format == :xml || @format == :xhtml ? :cdata : :comment if wrapper == :guess
  @js_wrapper =
    case wrapper
    when :comment
      [ "<!--\n", "\n//-->" ]
    when :cdata
      [ "\n//<![CDATA[\n", "\n//]]>\n" ]
    when :both
      [ "<!--\n//<![CDATA[\n", "\n//]]>\n//-->" ]
    when nil
    when Array
      wrapper
    else
      raise ArgumentError, "Invalid JavaScript wrapper #{wrapper.inspect}"
    end
end

Instance Method Details

#on_html_attr(name, value) ⇒ Object 



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# File 'lib/temple/html/fast.rb', line 108

def on_html_attr(name, value)
  if @format == :html && empty_exp?(value)
    [:static, " #{name}"]
  else
    [:multi,
     [:static, " #{name}=#{options[:attr_quote]}"],
     compile(value),
     [:static, options[:attr_quote]]]
  end
end

#on_html_attrs(*attrs) ⇒ Object 



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# File 'lib/temple/html/fast.rb', line 104

def on_html_attrs(*attrs)
  [:multi, *attrs.map {|attr| compile(attr) }]
end

#on_html_comment(content) ⇒ Object 



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# File 'lib/temple/html/fast.rb', line 80

def on_html_comment(content)
  [:multi,
    [:static, '<!--'],
    compile(content),
    [:static, '-->']]
end

#on_html_condcomment(condition, content) ⇒ Object 



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# File 'lib/temple/html/fast.rb', line 87

def on_html_condcomment(condition, content)
  on_html_comment [:multi,
                   [:static, "[#{condition}]>"],
                   content,
                   [:static, '<![endif]']]
end

#on_html_doctype(type) ⇒ Object 



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# File 'lib/temple/html/fast.rb', line 66

def on_html_doctype(type)
  type = type.to_s.downcase

  if type =~ /^xml(\s+(.+))?$/
    raise(FilterError, 'Invalid xml directive in html mode') if @format == :html
    w = options[:attr_quote]
    str = "<?xml version=#{w}1.0#{w} encoding=#{w}#{$2 || 'utf-8'}#{w} ?>"
  else
    str = DOCTYPES[@format][type] || raise(FilterError, "Invalid doctype #{type}")
  end

  [:static, str]
end

#on_html_js(content) ⇒ Object 



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# File 'lib/temple/html/fast.rb', line 119

def on_html_js(content)
  if @js_wrapper
    [:multi,
     [:static, @js_wrapper.first],
     compile(content),
     [:static, @js_wrapper.last]]
  else
    compile(content)
  end
end

#on_html_tag(name, attrs, content = nil) ⇒ Object 



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# File 'lib/temple/html/fast.rb', line 94

def on_html_tag(name, attrs, content = nil)
  name = name.to_s
  closed = !content || (empty_exp?(content) && (@format == :xml || options[:autoclose].include?(name)))
  result = [:multi, [:static, "<#{name}"], compile(attrs)]
  result << [:static, (closed && @format != :html ? ' /' : '') + '>']
  result << compile(content) if content
  result << [:static, "</#{name}>"] if !closed
  result
end