Class: BulldozeRenamer::StringInflector

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/bulldoze_renamer/string_inflector.rb

Defined Under Namespace

Classes: StringDoesNotInflectToItselfError

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(current, target) ⇒ StringInflector

Returns a new instance of StringInflector.



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# File 'lib/bulldoze_renamer/string_inflector.rb', line 20

def initialize(current, target)
  @current = current
  @target = target
end

Class Method Details

.active_support_inflections ⇒ Object 



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# File 'lib/bulldoze_renamer/string_inflector.rb', line 10

def self.active_support_inflections
  [:underscore, :camelize]
end

.inflections ⇒ Object 



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# File 'lib/bulldoze_renamer/string_inflector.rb', line 14

def self.inflections
  active_support_inflections + [:dasherize, :upcase, :js_camelize]
end

Instance Method Details

#dasherize(w) ⇒ Object 



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# File 'lib/bulldoze_renamer/string_inflector.rb', line 29

def dasherize(w)
  ActiveSupport::Inflector.dasherize(underscore(w))
end

#js_camelize(w) ⇒ Object 



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# File 'lib/bulldoze_renamer/string_inflector.rb', line 33

def js_camelize(w)
  c = camelize(w).dup
  c[0] = c[0].downcase
  c
end

#mappings ⇒ Object 



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# File 'lib/bulldoze_renamer/string_inflector.rb', line 39

def mappings
  result = {
    current_inflection: nil,
    target_inflection: nil,
    inflections: {}
  }
  StringInflector.inflections.each do |i|
    unless result[:current_inflection]
      if @current == send(i, @current)
        result[:current_inflection] = i
      end
    end

    unless result[:target_inflection]
      if @target == send(i, @target)
        result[:target_inflection] = i
      end
    end

    mapping = {
      current: send(i, @current),
      target: send(i, @target)
    }

    unless result[:inflections].
      values.
      map { |i| i[:current] }.
      include?(mapping[:current])
      result[:inflections][i] = mapping
    end
  end

  unless result[:current_inflection]
    raise StringDoesNotInflectToItselfError.new(@current)
  end

  unless result[:target_inflection]
    raise StringDoesNotInflectToItselfError.new(@target)
  end
  result
end

#upcase(w) ⇒ Object 



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# File 'lib/bulldoze_renamer/string_inflector.rb', line 25

def upcase(w)
  underscore(w).upcase
end