Class: Traductor::InterpolationGuard

Inherits:
Object
  • Object
show all
Defined in:
lib/traductor/interpolation_guard.rb

Constant Summary collapse

PATTERNS = 
[
  /(%\{[^}]+\})/,       # Ruby/Rails: %{name}
  /(\{\{[^}]+\}\})/,    # Handlebars/React: {{variable}}
  /(\$\{[^}]+\})/,      # ES6 template literals: ${variable}
].freeze
COMBINED_PATTERN = 
Regexp.union(PATTERNS)

Instance Method Summary collapse

Constructor Details

#initialize ⇒ InterpolationGuard

Returns a new instance of InterpolationGuard.



13
14
15
16
 
# File 'lib/traductor/interpolation_guard.rb', line 13

def initialize
  @placeholders = {}
  @counter = 0
end

Instance Method Details

#protect(text) ⇒ Object

Replace interpolation variables with numbered placeholders



19
20
21
22
23
24
25
26
27
28
 
# File 'lib/traductor/interpolation_guard.rb', line 19

def protect(text)
  return text unless text.is_a?(String)

  text.gsub(COMBINED_PATTERN) do |match|
    placeholder = "__TVAR#{@counter}__"
    @placeholders[placeholder] = match
    @counter += 1
    placeholder
  end
end

#reset! ⇒ Object 



41
42
43
44
 
# File 'lib/traductor/interpolation_guard.rb', line 41

def reset!
  @placeholders.clear
  @counter = 0
end

#restore(text) ⇒ Object

Restore original interpolation variables from placeholders



31
32
33
34
35
36
37
38
39
 
# File 'lib/traductor/interpolation_guard.rb', line 31

def restore(text)
  return text unless text.is_a?(String)

  result = text.dup
  @placeholders.each do |placeholder, original|
    result.gsub!(placeholder, original)
  end
  result
end