Class: SimplyGenius::Atmos::SettingsHash

Inherits:
Hashie::Mash
  • Object
show all
Includes:
GemLogger::LoggerSupport, Hashie::Extensions::DeepFetch, Hashie::Extensions::DeepMerge
Defined in:
lib/simplygenius/atmos/settings_hash.rb

Constant Summary collapse

PATH_PATTERN = 
/[\.\[\]]/

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.add_config(yml_file, key, value, additive: true) ⇒ Object 



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# File 'lib/simplygenius/atmos/settings_hash.rb', line 54

def self.add_config(yml_file, key, value, additive: true)
  orig_config_with_comments = File.read(yml_file)

  comment_places = {}
  comment_lines = []
  orig_config_with_comments.each_line do |line|
    line.gsub!(/\s+$/, "\n")
    if line =~ /^\s*(#.*)?$/
      comment_lines << line
    else
      if comment_lines.present?
        comment_places[line.chomp] = comment_lines
        comment_lines = []
      end
    end
  end
  comment_places["<EOF>"] = comment_lines

  orig_config = SettingsHash.new((YAML.load_file(yml_file) rescue {}))
  orig_config.notation_put(key, value, additive: additive)
  new_config_no_comments = YAML.dump(orig_config.to_hash)
  new_config_no_comments.sub!(/\A---\n/, "")

  new_yml = ""
  new_config_no_comments.each_line do |line|
    line.gsub!(/\s+$/, "\n")
    cline = comment_places.keys.find {|k| line =~ /^#{k}/ }
    comments = comment_places[cline]
    comments.each {|comment| new_yml << comment } if comments
    new_yml << line
  end
  comment_places["<EOF>"].each {|comment| new_yml << comment }

  return new_yml
end

Instance Method Details

#notation_get(key) ⇒ Object 



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# File 'lib/simplygenius/atmos/settings_hash.rb', line 14

def notation_get(key)
  path = key.to_s.split(PATH_PATTERN).compact
  path = path.collect {|p| p =~ /^\d+$/ ? p.to_i : p }
  result = nil

  begin
    result = deep_fetch(*path)
  rescue Hashie::Extensions::DeepFetch::UndefinedPathError => e
    logger.debug("Settings missing value for key='#{key}'")
  end

  return result
end

#notation_put(key, value, additive: true) ⇒ Object 



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# File 'lib/simplygenius/atmos/settings_hash.rb', line 28

def notation_put(key, value, additive: true)
  path = key.to_s.split(PATH_PATTERN).compact
  path = path.collect {|p| p =~ /^\d+$/ ? p.to_i : p }
  current_level = self
  path.each_with_index do |p, i|

    if i == path.size - 1
      if additive && current_level[p].is_a?(Array)
        current_level[p] = current_level[p] | Array(value)
      else
        current_level[p] = value
      end
    else
      if current_level[p].nil?
        if path[i+1].is_a?(Integer)
          current_level[p] = []
        else
          current_level[p] = {}
        end
      end
    end

    current_level = current_level[p]
  end
end