Class: Tomlrb::Handler

Inherits:
Object
  • Object
show all
Defined in:
lib/tomlrb/handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(**options) ⇒ Handler

Returns a new instance of Handler.


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# File 'lib/tomlrb/handler.rb', line 5

def initialize(**options)
  @output = {}
  @current = @output
  @stack = []
  @array_names = []
  @current_table = []
  @keys = Keys.new
  @symbolize_keys = options[:symbolize_keys]
end

Instance Attribute Details

#output ⇒ Object (readonly)

Returns the value of attribute output


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# File 'lib/tomlrb/handler.rb', line 3

def output
  @output
end

#symbolize_keys ⇒ Object (readonly)

Returns the value of attribute symbolize_keys


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# File 'lib/tomlrb/handler.rb', line 3

def symbolize_keys
  @symbolize_keys
end

Instance Method Details

#assign(k) ⇒ Object 


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# File 'lib/tomlrb/handler.rb', line 56

def assign(k)
  @keys.add_pair_key k, @current_table
  current = @current
  while key = k.shift
    key = key.to_sym if @symbolize_keys
    current = assign_key_path(current, key, k.empty?)
  end
end

#deal_with_array_of_tables(identifiers, is_array_of_tables) {|identifiers| ... } ⇒ Object

Yields:

  • (identifiers) 

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# File 'lib/tomlrb/handler.rb', line 34

def deal_with_array_of_tables(identifiers, is_array_of_tables)
  identifiers.map!{|n| n.gsub("\"", '')}
  stringified_identifier = identifiers.join('.')

  if is_array_of_tables
    @array_names << stringified_identifier
    last_identifier = identifiers.pop
  elsif @array_names.include?(stringified_identifier)
    raise ParseError, 'Cannot define a normal table with the same name as an already established array'
  end

  yield(identifiers)

  if is_array_of_tables
    last_identifier = last_identifier.to_sym if @symbolize_keys
    @current[last_identifier] ||= []
    raise ParseError, "Cannot use key #{last_identifier} for both table and array at once" unless @current[last_identifier].respond_to?(:<<)
    @current[last_identifier] << {}
    @current = @current[last_identifier].last
  end
end

#end_(type) ⇒ Object 


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# File 'lib/tomlrb/handler.rb', line 73

def end_(type)
  array = []
  while (value = @stack.pop) != [type]
    raise ParseError, 'Unclosed table' if value.nil?
    array.unshift(value)
  end
  array
end

#push(o) ⇒ Object 


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# File 'lib/tomlrb/handler.rb', line 65

def push(o)
  @stack << o
end

#set_context(identifiers, is_array_of_tables: false) ⇒ Object 


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# File 'lib/tomlrb/handler.rb', line 15

def set_context(identifiers, is_array_of_tables: false)
  @current_table = identifiers.dup
  @keys.add_table_key identifiers, is_array_of_tables
  @current = @output

  deal_with_array_of_tables(identifiers, is_array_of_tables) do |identifierz|
    identifierz.each do |k|
      k = k.to_sym if @symbolize_keys
      if @current[k].is_a?(Array)
        @current[k] << {} if @current[k].empty?
        @current = @current[k].last
      else
        @current[k] ||= {}
        @current = @current[k]
      end
    end
  end
end

#start_(type) ⇒ Object 


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# File 'lib/tomlrb/handler.rb', line 69

def start_(type)
  push([type])
end