Class: WarningHash

Inherits:
Hash show all
Defined in:
lib/ontomde-core/context.rb

Overview

Internal use.

Used for storing context.

Instance Method Summary collapse

Instance Method Details

#[](key, default = Object.class) ⇒ Object

Returns context value associated to key.

Raises an error if key is not found. Returns default, when context is undefined for key, and a default value is provided. if value is missing, key is return when context is true. (feature used by web inspector)

Raises:



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# File 'lib/ontomde-core/context.rb', line 16

def [](key,default=Object.class)
  val=super(key)
  return val unless val.nil?
  #Note: Object.class is used as a magic number.
  return default unless default==Object.class
  return "#{key}" if self[:contextReturnKeyIfEmpty,false]
  raise Warning.new(), "Evaluation interrompue:\nLa session ne contient pas la variable :\#{key}.\nL'exemple de code suivant permet de definir une variable de contexte:\n\nvotre code\nmtk_context(:\#{key}=>'valeur'){\n   votre code\n   puts context[:\#{key}]\n   votre code\n   }\n"
end

#get(key) ⇒ Object 



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# File 'lib/ontomde-core/context.rb', line 35

def get(key)
  return self[key] if self.include?(key)
  return nil
end