Class: RScript

Inherits:
RScriptBase show all
Defined in:
lib/rscript.rb

Instance Method Summary collapse

Constructor Details

#initialize(logfile: '', logrotate: 'daily', pkg_src: '', cache: 5) ⇒ RScript

Returns a new instance of RScript.



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# File 'lib/rscript.rb', line 43

def initialize(logfile: '', logrotate: 'daily', pkg_src: '', cache: 5)
  
  @logger = Logger.new logfile, logrotate unless logfile.nil? or logfile.empty?
  @cache = cache
  @rsf_cache = HashCache.new({cache: cache}) if cache > 0
  
end

Instance Method Details

#read(args = []) ⇒ Object 



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# File 'lib/rscript.rb', line 51

def read(args=[])

  if @logger then
    
    @logger.debug 'inside RScript#read' 
    @logger.debug 'RScript -> args: ' + args.inspect
    
  end
  
  threads = []
  
  if args.to_s[/\/\/job:/] then 

    ajob = []
    
    args.each_index do |i| 
      if args[i][/\/\/job:/] then          
        ajob << "@id='#{$'}'"; args[i] = nil
      end
    end

    args.compact!

    out = read_rsf(args) do |doc|
      doc.root.xpath("//job[#{ajob.join(' or ')}]").map do |job|
        job.xpath('script').map {|s| read_script(s)}.join("\n")
      end.join("\n")        
    end

    raise "job not found" unless out.length > 0
    out
    
  else    
    out = read_rsf(args) {|doc| doc.root.xpath('//script').map {|s| read_script(s)}}.join("\n")   
  end
  
  @logger.debug 'RScript -> out: ' + out.inspect[0..250] if @logger

  [out, args]
end

#reset ⇒ Object 



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# File 'lib/rscript.rb', line 92

def reset()
  @rsf_cache.reset
end

#run(raw_args, params = {}, rws = self) ⇒ Object

note: run() was copied from the development file rscript-wrapper.rb



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# File 'lib/rscript.rb', line 97

def run(raw_args, params={}, rws=self)

  if @logger then
    @logger.debug 'inside RScript#run' 
    @logger.debug 'RScript -> raw_args: ' + raw_args.inspect
  end
  
  if params[:splat] then
    params.each do  |k,v|
      params.delete k unless k == :splat or k == :package or k == :job or k == :captures
    end
  end

  if params[:splat] and params[:splat].length > 0 then
    h = params[:splat].first[1..-1].split('&').inject({}) do |r,x| 
      k, v = x.split('=')
      v ? r.merge(k[/\w+$/].to_sym => v) : r
    end
    params.merge! h
  end            
  
  code2, args = self.read raw_args
  @logger.debug 'RScript -> code2: ' + code2.inspect[0..250] if @logger
  
  begin
    
=begin      
    thread = Thread.new(code2) do |x| 
      
      begin
        Thread.current['result'] = eval x
      rescue
        @logger.debug('RScript -> eval: ' + ($!).inspect) if @logger
      end
      
    end
    thread.join
=end      
    #puts 'code2 :'  + code2.inspect
    r = eval code2
    #r = thread['result']

    params = {}

    return r          

  rescue Exception => e  
    params = {}
    err_label = e.message.to_s + " :: \n" + e.backtrace.join("\n")      
    return err_label
  end

end