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Add forloop.parentloop as a reference to the parent loop

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Justin Li
2015-02-04 12:43:09 -05:00
parent 3476a556dd
commit 205bd19d3f
2 changed files with 28 additions and 8 deletions
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20
lib/liquid/tags/for.rb
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@@ -42,6 +42,7 @@ module Liquid
# where 0 is the last item.
# forloop.first:: Returns true if the item is the first item.
# forloop.last:: Returns true if the item is the last item.
# forloop.parentloop:: Provides access to the parent loop, if present.
#
class For < Block
Syntax = /\A(#{VariableSegment}+)\s+in\s+(#{QuotedFragment}+)\s*(reversed)?/o
@@ -98,18 +99,21 @@ module Liquid
# Store our progress through the collection for the continue flag
context.registers[:for][@name] = from + segment.length
parent_loop = context['forloop'.freeze]
context.stack do
segment.each_with_index do |item, index|
context[@variable_name] = item
context['forloop'.freeze] = {
'name'.freeze => @name,
'length'.freeze => length,
'index'.freeze => index + 1,
'index0'.freeze => index,
'rindex'.freeze => length - index,
'rindex0'.freeze => length - index - 1,
'first'.freeze => (index == 0),
'last'.freeze => (index == length - 1)
'name'.freeze => @name,
'length'.freeze => length,
'index'.freeze => index + 1,
'index0'.freeze => index,
'rindex'.freeze => length - index,
'rindex0'.freeze => length - index - 1,
'first'.freeze => (index == 0),
'last'.freeze => (index == length - 1),
'parentloop'.freeze => parent_loop
}
result << @for_block.render(context)