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Contents
module Temple
module Filters
# Escape dynamic or static expressions.
# This filter must be used after Temple::HTML::* and before the generators.
# It can be enclosed with Temple::Filters::DynamicInliner filters to
# reduce calls to Temple::Utils#escape_html.
#
# @api public
class Escapable < Filter
# Activate the usage of html_safe? if it is available (for Rails 3 for example)
set_default_options :use_html_safe => ''.respond_to?(:html_safe?),
:disable_escape => false
def initialize(opts = {})
super
@escape_code = options[:escape_code] ||
"::Temple::Utils.escape_html#{options[:use_html_safe] ? '_safe' : ''}((%s))"
@escaper = eval("proc {|v| #{@escape_code % 'v'} }")
@escape = false
end
def on_escape(flag, exp)
old = @escape
@escape = flag && !options[:disable_escape]
compile(exp)
ensure
@escape = old
end
def on_static(value)
[:static, @escape ? @escaper[value] : value]
end
def on_dynamic(value)
[:dynamic, @escape ? @escape_code % value : value]
end
end
end
end
Version data entries
50 entries across 50 versions & 2 rubygems