Class: ComplexConfig::Settings

Inherits:
BasicObject
Extended by:
Tins::ThreadLocal
Includes:
Kernel, Tins::AskAndSend
Defined in:
lib/complex_config/settings.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash = nil) ⇒ Settings

Returns a new instance of Settings.



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# File 'lib/complex_config/settings.rb', line 43

def initialize(hash = nil)
  self.name_prefix = self.class.name_prefix
  @table = {}
  if hash
    hash.each_pair do |k, v|
      k = k.to_sym
      @table[k] = v
    end
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(id, *a, &b) ⇒ Object (private) 



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# File 'lib/complex_config/settings.rb', line 193

def method_missing(id, *a, &b)
  case
  when id =~ /\?\z/
    begin
      public_send $`.to_sym, *a, &b
    rescue ::ComplexConfig::AttributeMissing
      nil
    end
  when id =~ /=\z/
    @table[$`.to_sym] = a.first
  when value = ::ComplexConfig::Provider.apply_plugins(self, id)
    value
  else
    if attribute_set?(id)
      @table[id]
    else
      raise ::ComplexConfig::AttributeMissing, "no attribute named #{id.inspect}"
    end
  end
end

Instance Attribute Details

#name_prefix ⇒ Object

Returns the value of attribute name_prefix.



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# File 'lib/complex_config/settings.rb', line 41

def name_prefix
  @name_prefix
end

Class Method Details

.[](*a) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 10

def [](*a)
  from_hash(*a)
end

.build(name, hash) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 29

def build(name, hash)
  name.nil? or self.name_prefix = name.to_sym
  from_hash(hash)
ensure
  self.name_prefix = nil
end

.from_hash(object) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 14

def from_hash(object)
  case
  when object.respond_to?(:to_hash)
    result = new
    object.to_hash.each do |key, value|
      result[key] = from_hash(value)
    end
    result
  when object.respond_to?(:to_ary)
    object.to_ary.map { |a| from_hash(a) }
  else
    object
  end
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 157

def [](name)
  if !attribute_set?(name) and
    value = ::ComplexConfig::Provider.apply_plugins(self, name)
  then
    value
  else
    @table[name.to_sym]
  end
end

#[]=(name, value) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 167

def []=(name, value)
  @table[name.to_sym] = value
end

#attribute_names ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 64

def attribute_names
  @table.keys
end

#attribute_set?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/complex_config/settings.rb', line 60

def attribute_set?(name)
  @table.key?(name.to_sym)
end

#attribute_values ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 68

def attribute_values
  @table.values
end

#attributes_update(other) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 72

def attributes_update(other)
  unless other.is_a? self.class
    other = self.class.from_hash(other)
  end
  @table.update(other.table)
end

#deep_freeze ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 150

def deep_freeze
  table_enumerator.each do |_, v|
    v.ask_and_send(:deep_freeze) || (v.freeze rescue v)
  end
  freeze
end

#each(&block) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 171

def each(&block)
  table_enumerator.each(&block)
end

#freeze ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 145

def freeze
  @table.freeze
  super
end

#initialize_copy(orig) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 54

def initialize_copy(orig)
  super
  @table = @table.dup
  self
end

#pathes(hash = table, path_sep: ?., prefix: name_prefix.to_s, result: {}) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 107

def pathes(hash = table, path_sep: ?., prefix: name_prefix.to_s, result: {})
  hash.each do |key, value|
    path = prefix.empty? ? key.to_s : "#{prefix}#{path_sep}#{key}"
    case value
    when ::ComplexConfig::Settings
      pathes(
        value,
        path_sep: path_sep,
        prefix:   path,
        result:   result
      )
    when ::Array
      value.each_with_index do |v, i|
        sub_path = path + "[#{i}]"
        if ::ComplexConfig::Settings === v
          pathes(
            v,
            path_sep: path_sep,
            prefix:   sub_path,
            result:   result
          )
        else
          result[sub_path] = v
        end
      end
    else
      result[path] = value
    end
  end
  result
end

#pretty_print(q) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 141

def pretty_print(q)
  q.text inspect
end

#replace_attributes(hash) ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 79

def replace_attributes(hash)
  @table = self.class.from_hash(hash).table
  self
end

#size ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 97

def size
  each.count
end

#to_h ⇒ Object 



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# File 'lib/complex_config/settings.rb', line 84

def to_h
  table_enumerator.each_with_object({}) do |(k, v), h|
    h[k] =
      if ::Array === v
        v.to_ary.map { |x| (x.ask_and_send(:to_h) rescue x) || x }
      elsif v.respond_to?(:to_h)
        v.ask_and_send(:to_h) rescue v
      else
        v
      end
  end
end

#to_s(pair_sep: ' = ', path_sep: ?.) ⇒ Object Also known as: inspect 



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# File 'lib/complex_config/settings.rb', line 101

def to_s(pair_sep: ' = ', path_sep: ?.)
  pathes(path_sep: path_sep).inject('') do |result, (path, value)|
    result << "#{path}#{pair_sep}#{value.inspect}\n"
  end
end