JezK
Edit File: ejava.rb
## ## $Release: 2.7.0 $ ## copyright(c) 2006-2011 kuwata-lab.com all rights reserved. ## require 'erubis/engine' require 'erubis/enhancer' module Erubis module JavaGenerator include Generator def self.supported_properties() # :nodoc: return [ [:indent, '', "indent spaces (ex. ' ')"], [:bufvar, '_buf', "output buffer variable name"], [:bufclass, 'StringBuffer', "output buffer class (ex. 'StringBuilder')"], ] end def init_generator(properties={}) super @escapefunc ||= 'escape' @indent = properties[:indent] || '' @bufvar = properties[:bufvar] || '_buf' @bufclass = properties[:bufclass] || 'StringBuffer' end def add_preamble(src) src << "#{@indent}#{@bufclass} #{@bufvar} = new #{@bufclass}();" end def escape_text(text) @@table_ ||= { "\r"=>"\\r", "\n"=>"\\n", "\t"=>"\\t", '"'=>'\\"', "\\"=>"\\\\" } return text.gsub!(/[\r\n\t"\\]/) { |m| @@table_[m] } || text end def add_text(src, text) return if text.empty? src << (src.empty? || src[-1] == ?\n ? @indent : ' ') src << @bufvar << ".append(" i = 0 text.each_line do |line| src << "\n" << @indent << ' + ' if i > 0 i += 1 src << '"' << escape_text(line) << '"' end src << ");" << (text[-1] == ?\n ? "\n" : "") end def add_stmt(src, code) src << code end def add_expr_literal(src, code) src << @indent if src.empty? || src[-1] == ?\n code.strip! src << " #{@bufvar}.append(#{code});" end def add_expr_escaped(src, code) add_expr_literal(src, escaped_expr(code)) end def add_expr_debug(src, code) code.strip! src << @indent if src.empty? || src[-1] == ?\n src << " System.err.println(\"*** debug: #{code}=\"+(#{code}));" end def add_postamble(src) src << "\n" if src[-1] == ?; src << @indent << "return " << @bufvar << ".toString();\n" #src << @indent << "System.out.print(" << @bufvar << ".toString());\n" end end ## ## engine for Java ## class Ejava < Basic::Engine include JavaGenerator end class EscapedEjava < Ejava include EscapeEnhancer end #class XmlEjava < Ejava # include EscapeEnhancer #end class PI::Ejava < PI::Engine include JavaGenerator def init_converter(properties={}) @pi = 'java' super(properties) end end end