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require 'active_support/core_ext/string/output_safety'
module ActionView #:nodoc:
# = Action View Raw Output Helper
module Helpers #:nodoc:
module OutputSafetyHelper
# This method outputs without escaping a string. Since escaping tags is
# now default, this can be used when you don't want Rails to automatically
# escape tags. This is not recommended if the data is coming from the user's
# input.
#
# For example:
#
# raw @user.name
# # => 'Jimmy <alert>Tables</alert>'
def raw(stringish)
stringish.to_s.html_safe
end
# This method returns an HTML safe string similar to what <tt>Array#join</tt>
# would return. The array is flattened, and all items, including
# the supplied separator, are HTML escaped unless they are HTML
# safe, and the returned string is marked as HTML safe.
#
# safe_join([raw("<p>foo</p>"), "<p>bar</p>"], "<br />")
# # => "<p>foo</p><br /><p>bar</p>"
#
# safe_join([raw("<p>foo</p>"), raw("<p>bar</p>")], raw("<br />")
# # => "<p>foo</p><br /><p>bar</p>"
#
def safe_join(array, sep=$,)
sep = ERB::Util.unwrapped_html_escape(sep)
array.flatten.map! { |i| ERB::Util.unwrapped_html_escape(i) }.join(sep).html_safe
end
# Converts the array to a comma-separated sentence where the last element is
# joined by the connector word. This is the html_safe-aware version of
# ActiveSupport's {Array#to_sentence}[http://api.rubyonrails.org/classes/Array.html#method-i-to_sentence].
#
def to_sentence(array, options = {})
options.assert_valid_keys(:words_connector, :two_words_connector, :last_word_connector, :locale)
default_connectors = {
:words_connector => ', ',
:two_words_connector => ' and ',
:last_word_connector => ', and '
}
if defined?(I18n)
i18n_connectors = I18n.translate(:'support.array', locale: options[:locale], default: {})
default_connectors.merge!(i18n_connectors)
end
options = default_connectors.merge!(options)
case array.length
when 0
''.html_safe
when 1
ERB::Util.html_escape(array[0])
when 2
safe_join([array[0], array[1]], options[:two_words_connector])
else
safe_join([safe_join(array[0...-1], options[:words_connector]), options[:last_word_connector], array[-1]])
end
end
end
end
end
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