Class: SourceRoute::TraceFilter

Inherits:
Object
  • Object
show all
Defined in:
lib/source_route/trace_filter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(condition) ⇒ TraceFilter

Returns a new instance of TraceFilter.



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# File 'lib/source_route/trace_filter.rb', line 5

def initialize(condition)
  @cond = condition
end

Instance Attribute Details

#cond ⇒ Object

Returns the value of attribute cond.



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# File 'lib/source_route/trace_filter.rb', line 4

def cond
  @cond
end

Instance Method Details

#block_it?(tp) ⇒ Boolean

to improve performance, we didnt assign tp as instance variable

Returns:

  • (Boolean) 


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# File 'lib/source_route/trace_filter.rb', line 10

def block_it?(tp)
  if @cond.track_params
    return true if negative_check(tp)
    if positives_check(tp)
      return !tp.binding.eval('local_variables').any? do |v|
        tp.binding.local_variable_get(v).object_id == @cond.track_params
      end
    end
  else
    return true if negative_check(tp)
    return false if positives_check(tp)
  end
  true # default is blocked the tp
end

#negative_check(tp) ⇒ Object 



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# File 'lib/source_route/trace_filter.rb', line 25

def negative_check(tp)
  cond.negatives.any? do |method_key, value|
    tp.send(method_key).to_s =~ Regexp.new(value)
  end
end

#positives_check(tp) ⇒ Object 



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# File 'lib/source_route/trace_filter.rb', line 31

def positives_check(tp)
  return true if cond.positives == {}
  cond.positives.any? do |method_key, value|
    if method_key.to_sym == :defined_class
      tp.send(method_key).name =~ Regexp.new(value)
    else
      tp.send(method_key).to_s =~ Regexp.new(value)
    end
  end
end