Class: Sourcerer::ProcSource

Inherits:
SourceCode show all
Defined in:
lib/sourcerer/proc_source.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from SourceCode

#convert_from_method!, #convert_from_proc!, #frequency, #source_formater_for_line_sub

Class Attribute Details

.eval_keys ⇒ Object

Returns the value of attribute eval_keys.



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# File 'lib/sourcerer/proc_source.rb', line 6

def eval_keys
  @eval_keys
end

.source_cache ⇒ Object

Returns the value of attribute source_cache.



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# File 'lib/sourcerer/proc_source.rb', line 5

def source_cache
  @source_cache
end

Class Method Details

.build(source_code_to_be_wrappered, *params_obj_array) ⇒ Object 



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# File 'lib/sourcerer/proc_source.rb', line 11

def self.build(source_code_to_be_wrappered,*params_obj_array)
  self.new(source_code_to_be_wrappered).wrapper_around!(*params_obj_array)
end

Instance Method Details

#body ⇒ Object 



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# File 'lib/sourcerer/proc_source.rb', line 51

def body

  body= ProcSourceBody.new(self.dup.to_s)
  body.sub!(/.*Proc\.new *{ *(\|.*\|)?/,String.new)
  body.gsub!(/^$\n/, String.new)
  body.sub!(/\s*}\s*$/,String.new)

  return body
end

#parameters ⇒ Object 



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# File 'lib/sourcerer/proc_source.rb', line 73

def parameters

  return_array= Array.new
  params= self.params
  params.each do |one_raw_parameter|
    case true
      when one_raw_parameter.include?('=')
        begin
          return_array.push Array.new.push(:opt).push(
                                one_raw_parameter.split('=')[0].to_sym)
        end
      when one_raw_parameter[0] == '*'
        begin
          one_raw_parameter[0]= ''
          return_array.push Array.new.push(:rest).push(
                                one_raw_parameter.to_sym)
        end
      else
        begin
          return_array.push Array.new.push(:req).push(
                                one_raw_parameter.to_sym)
        end
    end
  end

  return return_array
end

#params ⇒ Object 



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# File 'lib/sourcerer/proc_source.rb', line 61

def params
  #SystemStackError
  params= self.dup
  params.sub!(params.split("\n")[0].scan(/\s*Proc.new\s*{/)[0],String.new)
  params.sub!(' ','')
  params= params.split("\n")[0].scan(/^\s*{?\s*(.*)/)[0][0].gsub!('|','')
  if params.nil?
    return nil
  end
  return ProcSourceParams[*params.split(',')]
end

#to_proc(binding = nil) ⇒ Object

create process object from valid process string



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# File 'lib/sourcerer/proc_source.rb', line 26

def to_proc(binding=nil)
  begin

    unless self.split("\n")[0].include?('Proc.new')
      raise ArgumentError, "string obj is not a valid process source"
    end

    return_proc= nil
    if binding.nil?
      return_proc= eval(self)
    else
      return_proc= eval(self,binding)
    end

    if ProcSource.eval_keys.count > 1000
      ProcSource.eval_keys.each {|e| ProcSource.source_cache.delete(e) }
      ProcSource.eval_keys.clear
    end
    ProcSource.source_cache[return_proc.inspect]= self
    ProcSource.eval_keys.push return_proc.inspect

    return return_proc
  end
end

#wrapper_around!(*params) ⇒ Object 



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# File 'lib/sourcerer/proc_source.rb', line 15

def wrapper_around!(*params)
  if !params.nil?
    params= params.join(',')
    params.prepend(' |')
    params.concat('|')
  end
  self.prepend("Proc.new{#{params}\n")
  self.concat("\n}")
end