\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/erubis-2.7.0/lib/erubis/

Viewing File: engine.rb

##
## $Release: 2.7.0 $
## copyright(c) 2006-2011 kuwata-lab.com all rights reserved.
##


require 'erubis/generator'
require 'erubis/converter'
require 'erubis/evaluator'
require 'erubis/context'


module Erubis


  ##
  ## (abstract) abstract engine class.
  ## subclass must include evaluator and converter module.
  ##
  class Engine
    #include Evaluator
    #include Converter
    #include Generator

    def initialize(input=nil, properties={})
      #@input = input
      init_generator(properties)
      init_converter(properties)
      init_evaluator(properties)
      @src    = convert(input) if input
    end


    ##
    ## convert input string and set it to @src
    ##
    def convert!(input)
      @src = convert(input)
    end


    ##
    ## load file, write cache file, and return engine object.
    ## this method create code cache file automatically.
    ## cachefile name can be specified with properties[:cachename],
    ## or filname + 'cache' is used as default.
    ##
    def self.load_file(filename, properties={})
      cachename = properties[:cachename] || (filename + '.cache')
      properties[:filename] = filename
      timestamp = File.mtime(filename)
      if test(?f, cachename) && timestamp == File.mtime(cachename)
        engine = self.new(nil, properties)
        engine.src = File.read(cachename)
      else
        input = File.open(filename, 'rb') {|f| f.read }
        engine = self.new(input, properties)
        tmpname = cachename + rand().to_s[1,8]
        File.open(tmpname, 'wb') {|f| f.write(engine.src) }
        File.rename(tmpname, cachename)
        File.utime(timestamp, timestamp, cachename)
      end
      engine.src.untaint   # ok?
      return engine
    end


    ##
    ## helper method to convert and evaluate input text with context object.
    ## context may be Binding, Hash, or Object.
    ##
    def process(input, context=nil, filename=nil)
      code = convert(input)
      filename ||= '(erubis)'
      if context.is_a?(Binding)
        return eval(code, context, filename)
      else
        context = Context.new(context) if context.is_a?(Hash)
        return context.instance_eval(code, filename)
      end
    end


    ##
    ## helper method evaluate Proc object with contect object.
    ## context may be Binding, Hash, or Object.
    ##
    def process_proc(proc_obj, context=nil, filename=nil)
      if context.is_a?(Binding)
        filename ||= '(erubis)'
        return eval(proc_obj, context, filename)
      else
        context = Context.new(context) if context.is_a?(Hash)
        return context.instance_eval(&proc_obj)
      end
    end


  end  # end of class Engine


  ##
  ## (abstract) base engine class for Eruby, Eperl, Ejava, and so on.
  ## subclass must include generator.
  ##
  class Basic::Engine < Engine
    include Evaluator
    include Basic::Converter
    include Generator
  end


  class PI::Engine < Engine
    include Evaluator
    include PI::Converter
    include Generator
  end


end