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require 'erb'
class ERB
module Util
HTML_ESCAPE = { '&' => '&', '>' => '>', '<' => '<', '"' => '"' }
JSON_ESCAPE = { '&' => '\u0026', '>' => '\u003E', '<' => '\u003C' }
# A utility method for escaping HTML tag characters.
# This method is also aliased as <tt>h</tt>.
#
# In your ERb templates, use this method to escape any unsafe content. For example:
# <%=h @person.name %>
#
# ==== Example:
# puts html_escape("is a > 0 & a < 10?")
# # => is a > 0 & a < 10?
def html_escape(s)
s.to_s.gsub(/[&"><]/) { |special| HTML_ESCAPE[special] }
end
# A utility method for escaping HTML entities in JSON strings.
# This method is also aliased as <tt>j</tt>.
#
# In your ERb templates, use this method to escape any HTML entities:
# <%=j @person.to_json %>
#
# ==== Example:
# puts json_escape("is a > 0 & a < 10?")
# # => is a \u003E 0 \u0026 a \u003C 10?
def json_escape(s)
s.to_s.gsub(/[&"><]/) { |special| JSON_ESCAPE[special] }
end
alias j json_escape
module_function :j
module_function :json_escape
end
end
module ActionView
module TemplateHandlers
class ERB < TemplateHandler
include Compilable
def compile(template)
::ERB.new(template.source, nil, @view.erb_trim_mode).src
end
def cache_fragment(block, name = {}, options = nil) #:nodoc:
@view.fragment_for(block, name, options) do
eval(ActionView::Base.erb_variable, block.binding)
end
end
end
end
end
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