Class: Query::Decompiler

Inherits:
Object show all
Defined in:
lib/query/decompiler.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parsed) ⇒ Decompiler

Returns a new instance of Decompiler.



5
6
7
 
# File 'lib/query/decompiler.rb', line 5

def initialize(parsed)
  @parsed = parsed
end

Class Method Details

.decompile ⇒ Object 



9
10
11
 
# File 'lib/query/decompiler.rb', line 9

def self.decompile(...)
  new(...).decompile
end

Instance Method Details

#decompile ⇒ Object 



13
14
15
 
# File 'lib/query/decompiler.rb', line 13

def decompile
  parsed.map { |node| format_value(node) }.join(" ")
end

#format_string(string) ⇒ Object 



17
18
 
# File 'lib/query/decompiler.rb', line 17

def format_string(string)
end

#format_value(value) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/query/decompiler.rb', line 20

def format_value(value)
  if value.is_a?(Hash)
    "#{value[:key]}#{value[:operator]}#{format_value(value[:value])}"
  elsif value.is_a?(String)
    Query.evaluate(value).many? ? value.inspect : value
  elsif value.is_a?(BigDecimal)
    value.to_s("F")
  elsif value.is_a?(Range)
    left = value.first
    right = value.last
    operator = value.exclude_end? ? "..." : ".."
    "#{format_value(left)}#{operator}#{format_value(right)}"
  else
    value.to_s
  end
end