Class: Liquid::Increment

Inherits:

Tag

• Object
• Tag
• Liquid::Increment

show all

Defined in:

lib/liquid/tags/increment.rb

Overview

Hello: 0
Hello: 1
Hello: 2

Instance Attribute Summary

Attributes inherited from Tag

#nodelist

Instance Method Summary (collapse)

• - (Increment) initialize(tag_name, markup, tokens) constructor

  A new instance of Increment.

• - (Object) render(context)

Methods inherited from Tag

#name, #parse

19
20
21
22
23

# File 'lib/liquid/tags/increment.rb', line 19

def initialize(tag_name, markup, tokens)      
  @variable = markup.strip

  super    
end

25
26
27
28
29

# File 'lib/liquid/tags/increment.rb', line 25

def render(context)
  value = context.environments.first[@variable] ||= 0
  context.environments.first[@variable] = value + 1
  value.to_s
end