2009-05-13 04:10:37 -04:00
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require 'active_support/core_ext/class/attribute_accessors'
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2009-10-07 16:31:20 -04:00
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require 'active_support/core_ext/string/output_safety'
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require 'erubis'
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2009-02-24 20:25:21 -05:00
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2007-12-09 17:11:11 -05:00
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module ActionView
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2009-12-02 23:01:01 -05:00
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module Template::Handlers
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2009-10-07 16:31:20 -04:00
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class Erubis < ::Erubis::Eruby
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def add_preamble(src)
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2010-02-01 01:12:01 -05:00
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src << "@output_buffer = ActiveSupport::SafeBuffer.new;"
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2009-10-07 16:31:20 -04:00
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end
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def add_text(src, text)
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2009-12-25 00:49:50 -05:00
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return if text.empty?
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src << "@output_buffer.safe_concat('" << escape_text(text) << "');"
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2009-10-07 16:31:20 -04:00
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end
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def add_expr_literal(src, code)
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2010-02-01 02:42:35 -05:00
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if code =~ /\s*raw\s+(.*)/
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src << "@output_buffer.safe_concat((" << $1 << ").to_s);"
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else
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src << '@output_buffer << ((' << code << ').to_s);'
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end
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2009-10-07 16:31:20 -04:00
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end
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def add_expr_escaped(src, code)
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src << '@output_buffer << ' << escaped_expr(code) << ';'
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end
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def add_postamble(src)
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src << '@output_buffer.to_s'
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end
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end
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2009-12-02 23:01:01 -05:00
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class ERB < Template::Handler
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2008-01-21 20:46:34 -05:00
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include Compilable
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2008-12-06 21:27:53 -05:00
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##
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# :singleton-method:
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2008-06-19 20:18:07 -04:00
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# Specify trim mode for the ERB compiler. Defaults to '-'.
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# See ERb documentation for suitable values.
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cattr_accessor :erb_trim_mode
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self.erb_trim_mode = '-'
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2009-05-21 17:22:07 -04:00
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self.default_format = Mime::HTML
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2009-10-15 00:54:01 -04:00
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2010-02-22 07:58:29 -05:00
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cattr_accessor :erb_implementation
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self.erb_implementation = Erubis
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2009-05-21 17:22:07 -04:00
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2007-12-09 17:11:11 -05:00
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def compile(template)
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2009-10-16 20:28:29 -04:00
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source = template.source.gsub(/\A(<%(#.*coding[:=]\s*(\S+)\s*)-?%>)\s*\n?/, '')
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erb = "<% __in_erb_template=true %>#{source}"
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2010-02-22 07:58:29 -05:00
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result = self.class.erb_implementation.new(erb, :trim=>(self.class.erb_trim_mode == "-")).src
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2009-10-16 20:28:29 -04:00
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result = "#{$2}\n#{result}" if $2
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result
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2007-12-09 17:11:11 -05:00
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end
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end
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end
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end
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