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Tag: v2.3.5
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module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module String #:nodoc:
module OutputSafety
def self.included(base)
base.class_eval do
alias_method :add_without_safety, :+
alias_method :+, :add_with_safety
alias_method_chain :concat, :safety
undef_method :<<
alias_method :<<, :concat_with_safety
end
end
def html_safe?
defined?(@_rails_html_safe) && @_rails_html_safe
end
def html_safe!
@_rails_html_safe = true
self
end
def add_with_safety(other)
result = add_without_safety(other)
if html_safe? && also_html_safe?(other)
result.html_safe!
else
result
end
end
def concat_with_safety(other_or_fixnum)
result = concat_without_safety(other_or_fixnum)
unless html_safe? && also_html_safe?(other_or_fixnum)
@_rails_html_safe = false
end
result
end
private
def also_html_safe?(other)
other.respond_to?(:html_safe?) && other.html_safe?
end
end
end
end
end
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