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Use pop over shift to avoid reverse

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Florian Weingarten
2014-10-15 19:26:39 +00:00
parent 6d080afd22
commit 0fa075b879
1 changed files with 4 additions and 4 deletions
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lib/liquid/tags/if.rb
+4 -4
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@@ -57,15 +57,15 @@ module Liquid
end
def lax_parse(markup)
expressions = markup.scan(ExpressionsAndOperators).reverse
raise(SyntaxError.new(options[:locale].t("errors.syntax.if".freeze))) unless expressions.shift =~ Syntax
expressions = markup.scan(ExpressionsAndOperators)
raise(SyntaxError.new(options[:locale].t("errors.syntax.if".freeze))) unless expressions.pop =~ Syntax
condition = Condition.new($1, $2, $3)
while not expressions.empty?
operator = (expressions.shift).to_s.strip
operator = expressions.pop.to_s.strip
raise(SyntaxError.new(options[:locale].t("errors.syntax.if".freeze))) unless expressions.shift.to_s =~ Syntax
raise(SyntaxError.new(options[:locale].t("errors.syntax.if".freeze))) unless expressions.pop.to_s =~ Syntax
new_condition = Condition.new($1, $2, $3)
raise(SyntaxError.new(options[:locale].t("errors.syntax.if".freeze))) unless BOOLEAN_OPERATORS.include?(operator)