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|
##
## $Release:$
## $Copyright$
##
require 'erubis/engine'
require 'erubis/enhancer'
module Erubis
##
## code generator for Ruby
##
module RubyGenerator
include Generator
#include ArrayBufferEnhancer
include StringBufferEnhancer
def init_generator(properties={})
super
@escapefunc ||= "Erubis::XmlHelper.escape_xml"
end
def self.supported_properties() # :nodoc:
return []
end
def escape_text(text)
text.gsub(/['\\]/, '\\\\\&') # "'" => "\\'", '\\' => '\\\\'
end
def escaped_expr(code)
return "#{@escapefunc}(#{code})"
end
#--
#def add_preamble(src)
# src << "_buf = [];"
#end
#++
def add_text(src, text)
src << " _buf << '" << escape_text(text) << "';" unless text.empty?
end
def add_stmt(src, code)
#src << code << ';'
src << code
src << ';' unless code[-1] == ?\n
end
def add_expr_literal(src, code)
src << ' _buf << (' << code << ').to_s;'
end
def add_expr_escaped(src, code)
src << ' _buf << ' << escaped_expr(code) << ';'
end
def add_expr_debug(src, code)
code.strip!
s = (code.dump =~ /\A"(.*)"\z/) && $1
src << ' $stderr.puts("*** debug: ' << s << '=#{(' << code << ').inspect}");'
end
#--
#def add_postamble(src)
# src << "\n_buf.join\n"
#end
#++
end
##
## engine for Ruby
##
class Eruby < Basic::Engine
include RubyEvaluator
include RubyGenerator
end
##
## fast engine for Ruby
##
class FastEruby < Eruby
include InterpolationEnhancer
end
##
## swtich '<%= %>' to escaped and '<%== %>' to not escaped
##
class EscapedEruby < Eruby
include EscapeEnhancer
end
##
## sanitize expression (<%= ... %>) by default
##
## this is equivalent to EscapedEruby and is prepared only for compatibility.
##
class XmlEruby < Eruby
include EscapeEnhancer
end
class PI::Eruby < PI::Engine
include RubyEvaluator
include RubyGenerator
def init_converter(properties={})
@pi = 'rb'
super(properties)
end
end
end
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