1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
module ActionWebService # :nodoc:
module SignatureTypes # :nodoc:
def canonical_signature(signature)
return nil if signature.nil?
i = -1
signature.map{ |spec| canonical_signature_entry(spec, i += 1) }
end
def canonical_signature_entry(spec, i)
name = "param#{i}"
if spec.is_a?(Hash)
name = spec.keys.first
spec = spec.values.first
type = spec
else
type = spec
end
if spec.is_a?(Array)
ArrayType.new(canonical_signature_entry(spec[0], 0), name)
else
type = canonical_type(type)
if type.is_a?(Symbol)
BaseType.new(type, name)
else
StructuredType.new(type, name)
end
end
end
def canonical_type(type)
type_name = symbol_name(type) || class_to_type_name(type)
type = type_name || type
return canonical_type_name(type) if type.is_a?(Symbol)
type
end
def canonical_type_name(name)
name = name.to_sym
case name
when :int, :integer, :fixnum, :bignum
:int
when :string, :base64
:string
when :bool, :boolean
:bool
when :float, :double
:float
when :time, :timestamp
:time
when :datetime
:datetime
when :date
:date
else
raise(TypeError, "#{name} is not a valid base type")
end
end
def canonical_type_class(type)
type = canonical_type(type)
type.is_a?(Symbol) ? type_name_to_class(type) : type
end
def symbol_name(name)
return name.to_sym if name.is_a?(Symbol) || name.is_a?(String)
nil
end
def class_to_type_name(klass)
klass = klass.class unless klass.is_a?(Class)
if derived_from?(Integer, klass) || derived_from?(Fixnum, klass) || derived_from?(Bignum, klass)
:int
elsif klass == String
:string
elsif klass == TrueClass || klass == FalseClass
:bool
elsif derived_from?(Float, klass) || derived_from?(Precision, klass) || derived_from?(Numeric, klass)
:float
elsif klass == Time
:time
elsif klass == DateTime
:datetime
elsif klass == Date
:date
else
nil
end
end
def type_name_to_class(name)
case canonical_type_name(name)
when :int
Integer
when :string
String
when :bool
TrueClass
when :float
Float
when :time
Time
when :date
Date
when :datetime
DateTime
else
nil
end
end
def derived_from?(ancestor, child)
child.ancestors.include?(ancestor)
end
module_function :type_name_to_class
module_function :class_to_type_name
module_function :symbol_name
module_function :canonical_type_class
module_function :canonical_type_name
module_function :canonical_type
module_function :canonical_signature_entry
module_function :canonical_signature
module_function :derived_from?
end
class BaseType # :nodoc:
include SignatureTypes
attr :type
attr :type_class
attr :name
def initialize(type, name)
@type = canonical_type(type)
@type_class = canonical_type_class(@type)
@name = name
end
def custom?
false
end
def array?
false
end
def structured?
false
end
end
class ArrayType < BaseType # :nodoc:
attr :element_type
def initialize(element_type, name)
super(Array, name)
@element_type = element_type
end
def custom?
true
end
def array?
true
end
end
class StructuredType < BaseType # :nodoc:
def each_member
if @type_class.respond_to?(:members)
@type_class.members.each do |name, type|
yield name, type
end
elsif @type_class.respond_to?(:columns)
i = 0
@type_class.columns.each do |column|
yield column.name, canonical_signature_entry(column.klass, i += 1)
end
end
end
def custom?
true
end
def structured?
true
end
end
end
|