Class: DataStory::EvalContext

Inherits:
Object
  • Object
show all
Defined in:
lib/datastory/eval_context.rb

Class Method Summary collapse

Class Method Details

.eval_binding ⇒ Object 



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# File 'lib/datastory/eval_context.rb', line 29

def self.eval_binding
  @binding ||= eval("binding")
end

.evaluate(code) ⇒ Object

Public: Evaluates the passed code in this context.



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# File 'lib/datastory/eval_context.rb', line 7

def self.evaluate(code)
  prev_stdout = $stdout
  #prev_stderr = $stderr
  
  out = StringIO.new
  $stdout = out
  #$stderr = out
  
  eval(code, eval_binding)
  
  $stdout = prev_stdout
  #$stderr = prev_stderr
  
  out.string
end

.evaluate_erb(code) ⇒ Object

Public: Evaluates some ERb in this context.



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# File 'lib/datastory/eval_context.rb', line 24

def self.evaluate_erb(code)
  erb = Erubis::EscapedEruby.new(code)
  erb.result(eval_binding)
end