Class: RScript

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

Instance Method Summary collapse

Constructor Details

#initialize(log: nil, pkg_src: '', cache: 5, debug: false, type: 'job') ⇒ RScript

Returns a new instance of RScript.



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# File 'lib/rscript.rb', line 49

def initialize(log: nil, pkg_src: '', cache: 5, debug: false, type: 'job')
  
  @log = log
  @cache = cache
  @rsf_cache = HashCache.new({cache: cache}) if cache > 0
  @debug = debug
  @jobname = type
  
end

Instance Method Details

#read(raw_args = []) ⇒ Object 



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# File 'lib/rscript.rb', line 59

def read(raw_args=[])
    
  args = raw_args.clone
  @log.info 'RScript/read: args: '  + args.inspect if @log
  
  threads = []
  
  if args.to_s[/\/\/#{@jobname}:/] then 
   ajob = '' 
    args.each_index do |i| 
      if args[i].to_s[/\/\/#{@jobname}:/] then          
        ajob = "@id='#{$'}'"; args[i] = nil
        puts 'ajob: ' + ajob.inspect
      end
    end

    args.compact!

    out, attr = read_rsf(args) do |doc|
      job = doc.root.element("//#{@jobname}[#{ajob}]")
      [job.xpath('script').map {|s| read_script(s)}.join("\n"), job.attributes]        
    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    
        
  @log.info 'RScript/read: code: '  + out.inspect if @log

  [out, args, attr]
end

#reset ⇒ Object 



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# File 'lib/rscript.rb', line 94

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 99

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

  @log.info 'RScript/run: raw_args: ' + raw_args.inspect if @log
  puts 'raw_args: ' + raw_args.inspect if @debug
  
  if params and 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 and 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, attr = self.read raw_args.clone
  puts 'code2 : ' + code2.inspect if @debug
  @log.info 'RScript/run: code2: ' + code2 if @log
  
  begin
    
    r = eval code2

    params = {}

    return r          

  rescue Exception => e  
    params = {}
    err_label = e.message.to_s + " :: \n" + e.backtrace.join("\n")      
    @log.debug 'rscrcript/error: ' + err_label
    return err_label
  end

end