Module: RailsI18nterface::Utils

Included in:
Keys, TranslateController, Yamlfile
Defined in:
lib/rails-i18nterface/utils.rb

Instance Method Summary collapse

Instance Method Details

#contains_key?(hash, key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails-i18nterface/utils.rb', line 67

def contains_key?(hash, key)
  keys = key.to_s.split('.')
  return false if keys.empty?
  !keys.reduce(HashWithIndifferentAccess.new(hash)) do |memo, k|
    memo.is_a?(Hash) ? memo.try(:[], k) : nil
  end.nil?
end

#deep_merge!(hash1, hash2) ⇒ Object 



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# File 'lib/rails-i18nterface/utils.rb', line 48

def deep_merge!(hash1, hash2)
  merger = proc { |key, v1, v2| Hash === v1 && Hash === v2 ? v1.merge(v2, &merger) : v2 }
  hash1.merge!(hash2, &merger)
end

#deep_sort(object) ⇒ Object 



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# File 'lib/rails-i18nterface/utils.rb', line 53

def deep_sort(object)
  if object.is_a?(Hash)
    res = Hash.new
    object.each {|k, v| res[k] = deep_sort(v) }
    Hash[res.sort {|a, b| a[0].to_s <=> b[0].to_s } ]
  elsif object.is_a?(Array)
    array = Array.new
    object.each_with_index {|v, i| array[i] = deep_sort(v) }
    array
  else
    object
  end
end

#deep_stringify_keys(hash) ⇒ Object 



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# File 'lib/rails-i18nterface/utils.rb', line 75

def deep_stringify_keys(hash)
  hash.reduce({ }) do |result, (key, value)|
    value = deep_stringify_keys(value) if value.is_a? Hash
    result[(key.to_s rescue key) || key] = value
    result
  end
end

#keys_to_yaml(hash) ⇒ Object 



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# File 'lib/rails-i18nterface/utils.rb', line 83

def keys_to_yaml(hash)
  keys = deep_stringify_keys(hash)
  keys.respond_to?(:ya2yaml) ? keys.ya2yaml(escape_as_utf8: true) : keys.to_yaml
end

#remove_blanks(hash) ⇒ Object 



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# File 'lib/rails-i18nterface/utils.rb', line 6

def remove_blanks(hash)
  hash.each do |k, v|
    hash.delete k if !v || v == ''
    if v.is_a? Hash
      remove_blanks v
      hash.delete k if v == {}
    end
  end
end

#set_nested(hash, key, value) ⇒ Object 



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# File 'lib/rails-i18nterface/utils.rb', line 16

def set_nested(hash, key, value)
  if key.length == 1
    hash[key[0]] = value
  else
    k = key.shift
    set_nested(hash[k] ||= {}, key, value)
  end
end

#to_deep_hash(hash) ⇒ Object 



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# File 'lib/rails-i18nterface/utils.rb', line 38

def to_deep_hash(hash)
  hash.reduce({}) do |a, (key, value)|
    keys = key.to_s.split('.').reverse
    leaf_key = keys.shift
    key_hash = keys.reduce({leaf_key.to_sym => value}) { |h, k| { k.to_sym => h } }
    deep_merge!(a, key_hash)
    a
  end
end

#to_shallow_hash(hash) ⇒ Object 



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# File 'lib/rails-i18nterface/utils.rb', line 25

def to_shallow_hash(hash)
  hash.reduce({}) do |shallow_hash, (key, value)|
    if value.is_a?(Hash)
      to_shallow_hash(value).each do |sub_key, sub_value|
        shallow_hash[[key, sub_key].join('.')] = sub_value
      end
    else
      shallow_hash[key.to_s] = value
    end
    shallow_hash
  end
end