Class: SWS::TemplateToken

Inherits:
Object
  • Object
show all
Defined in:
lib/sws/parsers.rb

Overview

Internal class - used only by TemplateParser. Represents a HTML tag or text token

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, name, standalone = false, comment = false) ⇒ TemplateToken

Creates new Token with given parent



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# File 'lib/sws/parsers.rb', line 286

def initialize ( parent,name,standalone=false,comment=false ) 

	@parent = parent
	@name = name
	@children = Array.new
	@comment = comment
	@standalone = standalone
	@data = nil

end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/sws/parsers.rb', line 282

def attributes
  @attributes
end

#children ⇒ Object (readonly)

Returns the value of attribute children.



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# File 'lib/sws/parsers.rb', line 281

def children
  @children
end

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/sws/parsers.rb', line 282

def data
  @data
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/sws/parsers.rb', line 281

def name
  @name
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/sws/parsers.rb', line 281

def parent
  @parent
end

Instance Method Details

#comment? ⇒ Boolean

Returns true if the receiver is a HTML comment

Returns:

  • (Boolean) 


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# File 'lib/sws/parsers.rb', line 329

def comment? ()
	return @comment
end

#dump(prefix) ⇒ Object

Dumps the token recursively in a tree form.



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# File 'lib/sws/parsers.rb', line 357

def dump ( prefix )
	if( comment? )
		puts "#{prefix}comment"
	elsif ( text? ) 
		puts "#{prefix}text"
	elsif( tag? )
		puts "#{prefix}#{data}"
		@children.each { |child| child.dump( prefix + " " ) }
	else
		attrs = @attributes.to_a.join( "| " )
		puts "#{prefix}#{@name} #{attrs}"
		@children.each { |child| child.dump( prefix + " " ) }
	end
end

#reverse ⇒ Object

Reverses receiver’s children array. Used at the end of parsing process, as parsing is performed backwards (otherwise it is hard to distinguish open/close and standalone tags)



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# File 'lib/sws/parsers.rb', line 300

def reverse ()
	@children.reverse!
	@children.each { |child| child.reverse() }
end

#standalone? ⇒ Boolean

Returns true if the receiver is a standalone tag

Returns:

  • (Boolean) 


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# File 'lib/sws/parsers.rb', line 335

def standalone? ()
	return @standalone
end

#sws? ⇒ Boolean

Returns true if the receiver represents a Component

Returns:

  • (Boolean) 


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# File 'lib/sws/parsers.rb', line 306

def sws? ()
	return @name != nil && @attributes != nil
end

#sws_name ⇒ Object

Returns name of the Component



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# File 'lib/sws/parsers.rb', line 311

def sws_name ()
	return @attributes["sws"]
end

#tag? ⇒ Boolean

Returns true if the receiver represents a HTML tag

Returns:

  • (Boolean) 


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# File 'lib/sws/parsers.rb', line 317

def tag? ()
	return @name != nil && @data != nil
end

#text? ⇒ Boolean

Returns true if the receiver is a purely text one

Returns:

  • (Boolean) 


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# File 'lib/sws/parsers.rb', line 323

def text? ()
	return @name == nil
end

#to_s ⇒ Object

Returns string representation of the receiver



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# File 'lib/sws/parsers.rb', line 341

def to_s ()

	if( comment? )
		return "comment"
	elsif ( text? ) 
		return "text"
	elsif( tag? )
		return "#{data}"
	else
		attrs = @attributes.to_a.join( "| " )
		return "#{@name} #{attrs}"
	end
	
end