JezK
Edit File: optimized.rb
## ## $Release: 2.7.0 $ ## copyright(c) 2006-2011 kuwata-lab.com all rights reserved. ## require 'erubis/engine/eruby' module Erubis module OptimizedGenerator include Generator def self.supported_properties() # :nodoc: return [] end def init_generator(properties={}) super @escapefunc ||= "Erubis::XmlHelper.escape_xml" @initialized = false @prev_is_expr = false end protected def escape_text(text) text.gsub(/['\\]/, '\\\\\&') # "'" => "\\'", '\\' => '\\\\' end def escaped_expr(code) @escapefunc ||= 'Erubis::XmlHelper.escape_xml' return "#{@escapefunc}(#{code})" end def switch_to_expr(src) return if @prev_is_expr @prev_is_expr = true src << ' _buf' end def switch_to_stmt(src) return unless @prev_is_expr @prev_is_expr = false src << ';' end def add_preamble(src) #@initialized = false #@prev_is_expr = false end def add_text(src, text) return if text.empty? if @initialized switch_to_expr(src) src << " << '" << escape_text(text) << "'" else src << "_buf = '" << escape_text(text) << "';" @initialized = true end end def add_stmt(src, code) switch_to_stmt(src) if @initialized #super src << code src << ';' unless code[-1] == ?\n end def add_expr_literal(src, code) unless @initialized; src << "_buf = ''"; @initialized = true; end switch_to_expr(src) src << " << (" << code << ").to_s" end def add_expr_escaped(src, code) unless @initialized; src << "_buf = ''"; @initialized = true; end switch_to_expr(src) src << " << " << 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) #super if @initialized src << "\n_buf\n" if @initialized end end # end of class OptimizedEruby ## ## Eruby class which generates optimized ruby code ## class OptimizedEruby < Basic::Engine # Eruby include RubyEvaluator include OptimizedGenerator def init_converter(properties={}) @pi = 'rb' super(properties) end end ## ## XmlEruby class which generates optimized ruby code ## class OptimizedXmlEruby < OptimizedEruby include EscapeEnhancer def add_expr_debug(src, code) switch_to_stmt(src) if indicator == '===' && !@initialized super end end # end of class OptimizedXmlEruby end