Class: Roast::ConfigManager

Inherits:
Object
  • Object
show all
Defined in:
lib/roast/config_manager.rb

Defined Under Namespace

Classes: ConfigManagerAlreadyPreparedError, ConfigManagerError, ConfigManagerNotPreparedError, IllegalCogNameError

Instance Method Summary collapse

Constructor Details

#initialize(cog_registry, config_procs) ⇒ ConfigManager

: (Cog::Registry, Array[^() -> void]) -> void



12
13
14
15
16
17
18
19
20
 
# File 'lib/roast/config_manager.rb', line 12

def initialize(cog_registry, config_procs)
  @cog_registry = cog_registry
  @config_procs = config_procs
  @config_context = ConfigContext.new #: ConfigContext
  @global_config = Cog::Config.new #: Cog::Config
  @general_configs = {} #: Hash[singleton(Cog), Cog::Config]
  @regexp_scoped_configs = {} #: Hash[singleton(Cog), Hash[Regexp, Cog::Config]]
  @name_scoped_configs = {} #: Hash[singleton(Cog), Hash[Symbol, Cog::Config]]
end

Instance Method Details

#config_for(cog_class, name = nil) ⇒ Object

: (singleton(Cog), ?Symbol?) -> Cog::Config

Raises:



44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 
# File 'lib/roast/config_manager.rb', line 44

def config_for(cog_class, name = nil)
  raise ConfigManagerNotPreparedError unless prepared?

  # All cogs will always have a config; empty by default if the cog was never explicitly configured
  config = cog_class.config_class.new(@global_config.instance_variable_get(:@values).deep_dup)
  config = config.merge(fetch_general_config(cog_class))
  @regexp_scoped_configs.fetch(cog_class, {}).select do |pattern, _|
    pattern.match?(name.to_s) unless name.nil?
  end.values.each { |cfg| config = config.merge(cfg) }
  unless name.nil?
    name_scoped_config = fetch_name_scoped_config(cog_class, name)
    config = config.merge(name_scoped_config)
  end
  config.validate!
  config
end

#prepare! ⇒ Object

: () -> void

Raises:



23
24
25
26
27
28
29
30
31
 
# File 'lib/roast/config_manager.rb', line 23

def prepare!
  raise ConfigManagerAlreadyPreparedError if preparing? || prepared?

  @preparing = true
  bind_global
  bind_registered_cogs
  @config_procs.each { |cp| @config_context.instance_eval(&cp) }
  @prepared = true
end

#prepared? ⇒ Boolean

: () -> bool

Returns:

  • (Boolean) 


39
40
41
 
# File 'lib/roast/config_manager.rb', line 39

def prepared?
  @prepared ||= false
end

#preparing? ⇒ Boolean

: () -> bool

Returns:

  • (Boolean) 


34
35
36
 
# File 'lib/roast/config_manager.rb', line 34

def preparing?
  @preparing ||= false
end