Module: R18n::Utils

Defined in:
lib/r18n-core/utils.rb

Constant Summary collapse

HTML_ENTRIES = 
{ '&' => '&amp;', '<' => '&lt;', '>' => '&gt;' }.freeze

Class Method Summary collapse

Class Method Details

.deep_merge!(a, b) ⇒ Object

Recursively hash merge.



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# File 'lib/r18n-core/utils.rb', line 46

def self.deep_merge!(a, b)
  b.each_pair do |key, value|
    another = a[key]
    a[key] =
      if another.is_a?(Hash) && value.is_a?(Hash)
        deep_merge!(another, value)
      else
        value
      end
  end
  a
end

.escape_html(content) ⇒ Object

Escape HTML entries (<, >, &). Copy from HAML helper.



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# File 'lib/r18n-core/utils.rb', line 26

def self.escape_html(content)
  if defined? ActiveSupport::SafeBuffer
    ActiveSupport::SafeBuffer.new + content
  else
    content.to_s.gsub(/[><&]/) { |s| HTML_ENTRIES[s] }
  end
end

.hash_map(hash, &block) ⇒ Object

Invokes block once for each key and value of hash. Creates a new hash with the keys and values returned by the block.



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# File 'lib/r18n-core/utils.rb', line 36

def self.hash_map(hash, &block)
  result = {}
  hash.each_pair do |key, val|
    new_key, new_value = block.call(key, val)
    result[new_key] = new_value
  end
  result
end