Class: Liquid::InheritedBlock

Inherits:
Block
  • Object
show all
Defined in:
lib/liquid/tags/inherited_block.rb

Overview

Blocks are used with the Extends tag to define the content of blocks. Nested blocks are allowed.

{% extends home %}
{% block content }Hello world{% endblock %}

Constant Summary collapse

Syntax = 
/(#{QuotedFragment}+)/

Constants inherited from Block

Block::ContentOfVariable, Block::FullToken, Block::IsTag, Block::IsVariable

Instance Attribute Summary collapse

Attributes inherited from Tag

#context, #nodelist

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Block

#block_delimiter, #block_name, #create_variable, #parse, #unknown_tag

Methods inherited from Tag

#parse

Constructor Details

#initialize(tag_name, markup, tokens, context) ⇒ InheritedBlock

Returns a new instance of InheritedBlock.



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# File 'lib/liquid/tags/inherited_block.rb', line 15

def initialize(tag_name, markup, tokens, context)
  if markup =~ Syntax
    @name = $1.gsub(/["']/o, '').strip
  else
    raise SyntaxError.new("Error in tag 'block' - Valid syntax: block [name]")
  end

  self.set_full_name!(context)

  (context[:block_stack] ||= []).push(self)
  context[:current_block] = self

  super if tokens
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/liquid/tags/inherited_block.rb', line 13

def name
  @name
end

#parent ⇒ Object

Returns the value of attribute parent.



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# File 'lib/liquid/tags/inherited_block.rb', line 12

def parent
  @parent
end

Class Method Details

.clone_block(block) ⇒ Object 



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# File 'lib/liquid/tags/inherited_block.rb', line 52

def self.clone_block(block)
  new_block = self.new(block.send(:instance_variable_get, :"@tag_name"), block.name, nil, {})
  new_block.parent = block.parent
  new_block.nodelist = block.nodelist
  new_block
end

Instance Method Details

#call_super(context) ⇒ Object 



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# File 'lib/liquid/tags/inherited_block.rb', line 44

def call_super(context)
  if parent
    parent.render(context)
  else
    ''
  end
end

#end_tag ⇒ Object 



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# File 'lib/liquid/tags/inherited_block.rb', line 37

def end_tag
  self.register_current_block

  @context[:block_stack].pop
  @context[:current_block] = @context[:block_stack].last
end

#render(context) ⇒ Object 



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# File 'lib/liquid/tags/inherited_block.rb', line 30

def render(context)
  context.stack do
    context['block'] = InheritedBlockDrop.new(self)
    render_all(@nodelist, context)
  end
end