diff options
Diffstat (limited to 'railties/lib/generators.rb')
| -rw-r--r-- | railties/lib/generators.rb | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/railties/lib/generators.rb b/railties/lib/generators.rb index c59bb9776f..bb821c0896 100644 --- a/railties/lib/generators.rb +++ b/railties/lib/generators.rb @@ -75,14 +75,31 @@ module Rails } } - def self.aliases + def self.aliases #:nodoc: @@aliases ||= DEFAULT_ALIASES.dup end - def self.options + def self.options #:nodoc: @@options ||= DEFAULT_OPTIONS.dup end + # Hold configured generators fallbacks. If a plugin developer wants a + # generator group to fallback to another group in case of missing generators, + # they can add a fallback. + # + # For example, shoulda is considered a test_framework and is an extension + # of test_unit. However, most part of shoulda generators are similar to + # test_unit ones. + # + # Shoulda then can tell generators to search for test_unit generators when + # some of them are not available by adding a fallback: + # + # Rails::Generators.fallbacks[:shoulda] = :test_unit + # + def self.fallbacks + @@fallbacks ||= {} + end + # Remove the color from output. # def self.no_color! @@ -137,16 +154,23 @@ module Rails # # "test_unit:generators:model", "test_unit:model" # - def self.find_by_namespace(name, base=nil, context=nil) + def self.find_by_namespace(name, base=nil, context=nil) #:nodoc: name, attempts = name.to_s, [] - if name.count(':') == 0 - attempts << "#{base}:generators:#{name}" if base - attempts << "#{name}:generators:#{context}" if context + case name.count(':') + when 1 + base, name = name.split(':') + return find_by_namespace(name, base) + when 0 + if base + base = base.to_sym + attempts << "#{base}:generators:#{name}" + attempts << "#{fallbacks[base]}:generators:#{name}" if fallbacks[base] + end + attempts << "#{name}:generators:#{context}" if context end - attempts << name.sub(':', ':generators:') if name.count(':') == 1 - attempts << name + attempts << name unloaded = attempts - namespaces lookup(unloaded) @@ -206,13 +230,13 @@ module Rails # Return all defined namespaces. # - def self.namespaces + def self.namespaces #:nodoc: Thor::Base.subclasses.map{ |klass| klass.namespace } end # Keep builtin generators in an Array[Array[group, name]]. # - def self.builtin + def self.builtin #:nodoc: Dir[File.dirname(__FILE__) + '/generators/*/*'].collect do |file| file.split('/')[-2, 2] end @@ -230,7 +254,7 @@ module Rails # generators/rails/model_generator.rb # generators/model_generator.rb # - def self.lookup(attempts) + def self.lookup(attempts) #:nodoc: attempts.each do |attempt| generators_path = ['.'] |