Class: SQLtorial::ValidColumnDirective

Inherits:
Object
  • Object
show all
Defined in:
lib/sqltorial/directives/valid_column_directive.rb

Constant Summary collapse

REGEXP = 
/^\s*DIRECTIVE:\s*(\S+)\s+(\S+)\s+(.+)/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(line) ⇒ ValidColumnDirective

Returns a new instance of ValidColumnDirective.



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# File 'lib/sqltorial/directives/valid_column_directive.rb', line 12

def initialize(line)
  _, column, op, matcher = REGEXP.match(line).to_a
  @column = column.to_sym
  @op = op
  @matcher = Regexp.new(matcher)
end

Instance Attribute Details

#column ⇒ Object (readonly)

Returns the value of attribute column.



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# File 'lib/sqltorial/directives/valid_column_directive.rb', line 11

def column
  @column
end

#matcher ⇒ Object (readonly)

Returns the value of attribute matcher.



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# File 'lib/sqltorial/directives/valid_column_directive.rb', line 11

def matcher
  @matcher
end

#op ⇒ Object (readonly)

Returns the value of attribute op.



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# File 'lib/sqltorial/directives/valid_column_directive.rb', line 11

def op
  @op
end

Class Method Details

.regexp ⇒ Object 



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# File 'lib/sqltorial/directives/valid_column_directive.rb', line 6

def regexp
  REGEXP
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/sqltorial/directives/valid_column_directive.rb', line 24

def inspect
  [column, op, matcher].join(" ")
end

#validate(result) ⇒ Object 



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# File 'lib/sqltorial/directives/valid_column_directive.rb', line 19

def validate(result)
  md = matcher.match(result[column])
  op == '=' ? !md.nil? : md.nil?
end