Class: Paggio::HTML

Inherits:
BasicObject
Defined in:
lib/paggio/css.rb,
lib/paggio/html.rb,
lib/paggio/script.rb,
lib/paggio/markdown.rb,
lib/paggio/html/element.rb,
lib/paggio/html/helpers.rb,
lib/paggio/html/element/a.rb,
lib/paggio/html/element/img.rb,
lib/paggio/html/element/base.rb,
lib/paggio/html/element/input.rb,
lib/paggio/html/element/button.rb,
lib/paggio/html/element/canvas.rb,
lib/paggio/html/element/blockquote.rb

Defined Under Namespace

Classes: Element

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(version = 5, &block) ⇒ HTML

Returns a new instance of HTML.



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# File 'lib/paggio/html.rb', line 20

def initialize(version = 5, &block)
  ::Kernel.raise ::ArgumentError, 'no block given' unless block

  @version = version
  @roots   = []
  @current = nil

  if block.arity == 0
    instance_exec(&block)
  else
    block.call(self)
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/paggio/html.rb', line 68

def method_missing(name, *args, &block)
  if name.to_s.end_with? ?!
    return super
  end

  if ::String === args.first
    content = ::Paggio::Utils.heredoc(args.shift)
  end

  element = Element.new(self, name, *args)
  element << content if content

  if block
    parent   = @current
    @current = element
    result   = block.call(self)
    @current = parent

    if ::String === result
      element.instance_eval { @inner_html = result }
    end
  end

  (@current || @roots) << element

  element
end

Instance Attribute Details

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/paggio/html.rb', line 18

def version
  @version
end

Instance Method Details

#<<(what) ⇒ Object 



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# File 'lib/paggio/html.rb', line 34

def <<(what)
  @current << what
end

#each(&block) ⇒ Object 



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# File 'lib/paggio/html.rb', line 64

def each(&block)
  @roots.each(&block)
end

#element! ⇒ Object 



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# File 'lib/paggio/html.rb', line 46

def element!
  @current
end

#extend!(element = nil, &block) ⇒ Object 



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# File 'lib/paggio/html.rb', line 50

def extend!(element = nil, &block)
  old, @current = @current, element

  result = block.call(self)

  if ::String === result
    @current.instance_eval { @inner_html = result }
  end

  @current = old

  self
end

#inspect ⇒ Object 



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# File 'lib/paggio/html.rb', line 96

def inspect
  if @roots.empty?
    "#<HTML(#@version)>"
  else
    "#<HTML(#@version): #{@roots.inspect[1 .. -2]}>"
  end
end

#local_variables ⇒ Object 



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# File 'lib/paggio/script.rb', line 37

def local_variables(*)
  []
end

#markdown(string) ⇒ Object 



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# File 'lib/paggio/markdown.rb', line 16

def markdown(string)
  (@current || @roots) << ::Kramdown::Document.new(
    ::Paggio::Utils.heredoc(string))
end

#root! ⇒ Object 



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# File 'lib/paggio/html.rb', line 38

def root!
  @roots.first
end

#roots! ⇒ Object 



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# File 'lib/paggio/html.rb', line 42

def roots!
  @roots
end

#script(*args, &block) ⇒ Object 



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# File 'lib/paggio/script.rb', line 29

def script(*args, &block)
  if block
    (@current || @roots) << Script.new(*args, &block)
  else
    super
  end
end

#style(&block) ⇒ Object 



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# File 'lib/paggio/css.rb', line 79

def style(&block)
  (@current || @roots) << CSS.new(&block)
end