Class: SearchCopGrammar::BaseNode

Inherits:

Treetop::Runtime::SyntaxNode

• Object
• Treetop::Runtime::SyntaxNode
• SearchCopGrammar::BaseNode

Defined in:

lib/search_cop_grammar.rb

Direct Known Subclasses

AndExpression, AndOrExpression, AnywhereExpression, Column, ComparativeExpression, ComplexExpression, DoubleQuotedValue, NotExpression, OrExpression, ParenthesesExpression, SingleQuotedValue, Value

Instance Attribute Summary

• #query_info ⇒ Object
• #query_options ⇒ Object

Instance Method Summary

• #collection_for(key) ⇒ Object
• #elements ⇒ Object
• #evaluate ⇒ Object

Instance Attribute Details

#query_info ⇒ Object

# File 'lib/search_cop_grammar.rb', line 8

def query_info
  (@query_info ||= nil) || parent.query_info
end

#query_options ⇒ Object

# File 'lib/search_cop_grammar.rb', line 12

def query_options
  (@query_options ||= nil) || parent.query_options
end

Instance Method Details

#collection_for(key) ⇒ Object

Raises:

• (SearchCop::UnknownColumn)

# File 'lib/search_cop_grammar.rb', line 24

def collection_for(key)
  raise(SearchCop::UnknownColumn, "Unknown column #{key}") if query_info.scope.reflection.attributes[key].nil?

  Attributes::Collection.new query_info, key
end

#elements ⇒ Object

# File 'lib/search_cop_grammar.rb', line 20

def elements
  super.reject { |element| element.instance_of?(Treetop::Runtime::SyntaxNode) }
end

#evaluate ⇒ Object

# File 'lib/search_cop_grammar.rb', line 16

def evaluate
  elements.collect(&:evaluate).inject(:and)
end