Class: Expressir::Express::Builders::QualifierBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/expressir/express/builders/qualifier_builder.rb

Overview

Builds qualifier nodes (attribute, group, index qualifiers).

Instance Method Summary collapse

Instance Method Details

#build_attribute_qualifier(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 61

def build_attribute_qualifier(ast_data)
  Builder.build({ attribute_ref: ast_data[:attribute_ref] })
end

#build_enumeration_reference(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 83

def build_enumeration_reference(ast_data)
  type_ref = Builder.build_optional(ast_data[:type_ref])
  enum_ref = if ast_data[:enumeration_ref]
               Builder.build({ enumeration_ref: ast_data[:enumeration_ref] })
             end

  if type_ref && enum_ref
    Expressir::Model::References::AttributeReference.new(
      ref: type_ref,
      attribute: enum_ref,
    )
  elsif enum_ref
    enum_ref
  end
end

#build_group_qualifier(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 54

def build_group_qualifier(ast_data)
  entity = if ast_data[:entity_ref]
             Builder.build({ entity_ref: ast_data[:entity_ref] })
           end
  Expressir::Model::References::GroupReference.new(entity: entity)
end

#build_index(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 79

def build_index(ast_data)
  Builder.build_optional(ast_data[:numeric_expression])
end

#build_index1(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 71

def build_index1(ast_data)
  Builder.build_optional(ast_data[:numeric_expression])
end

#build_index2(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 75

def build_index2(ast_data)
  Builder.build_optional(ast_data[:numeric_expression])
end

#build_index_qualifier(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 65

def build_index_qualifier(ast_data)
  index1 = Builder.build_optional(ast_data[:index1])
  index2 = Builder.build_optional(ast_data[:index2])
  { index1: index1, index2: index2 }
end

#build_qualified_attribute(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 23

def build_qualified_attribute(ast_data)
  # t_self is part of qualified_attribute grammar
  self_ref = if ast_data[:t_self]
               Expressir::Model::References::SimpleReference.new(id: "SELF")
             end

  # group_qualifier contains the entity reference
  entity_ref = if ast_data[:group_qualifier]
                 Builder.build({ entity_ref: ast_data[:group_qualifier][:entity_ref] })
               end

  # Create GroupReference with ref (SELF) and entity
  group_qual = if self_ref || entity_ref
                 Expressir::Model::References::GroupReference.new(
                   ref: self_ref, entity: entity_ref,
                 )
               end

  attr_qual = if ast_data[:attribute_qualifier]
                Builder.build({ attribute_qualifier: ast_data[:attribute_qualifier] })
              end

  if group_qual && attr_qual
    Expressir::Model::References::AttributeReference.new(
      ref: group_qual, attribute: attr_qual,
    )
  else
    attr_qual || group_qual
  end
end

#build_redeclared_attribute(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 8

def build_redeclared_attribute(ast_data)
  qualified_attr = ast_data[:qualified_attribute]
  if qualified_attr.is_a?(Hash)
    Builder.build({ qualified_attribute: qualified_attr })
  end
end

#build_referenced_attribute(ast_data) ⇒ Object 



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# File 'lib/expressir/express/builders/qualifier_builder.rb', line 15

def build_referenced_attribute(ast_data)
  if ast_data[:attribute_ref]
    Builder.build({ attribute_ref: ast_data[:attribute_ref] })
  elsif ast_data[:qualified_attribute]
    Builder.build({ qualified_attribute: ast_data[:qualified_attribute] })
  end
end