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 



61
62
63
 
# 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 



84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
 
# File 'lib/expressir/express/builders/qualifier_builder.rb', line 84

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 



54
55
56
57
58
59
 
# 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 



80
81
82
 
# File 'lib/expressir/express/builders/qualifier_builder.rb', line 80

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

#build_index1(ast_data) ⇒ Object 



72
73
74
 
# File 'lib/expressir/express/builders/qualifier_builder.rb', line 72

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

#build_index2(ast_data) ⇒ Object 



76
77
78
 
# File 'lib/expressir/express/builders/qualifier_builder.rb', line 76

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

#build_index_qualifier(ast_data) ⇒ Object 



65
66
67
68
69
70
 
# 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])
  Expressir::Model::References::IndexReference.new(index1: index1,
                                                   index2: index2)
end

#build_qualified_attribute(ast_data) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
 
# 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 



8
9
10
11
12
13
 
# 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 



15
16
17
18
19
20
21
 
# 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