diff options
Diffstat (limited to 'railties/lib/rails/generators/base.rb')
| -rw-r--r-- | railties/lib/rails/generators/base.rb | 106 |
1 files changed, 72 insertions, 34 deletions
diff --git a/railties/lib/rails/generators/base.rb b/railties/lib/rails/generators/base.rb index c72ec400a0..5523a3f659 100644 --- a/railties/lib/rails/generators/base.rb +++ b/railties/lib/rails/generators/base.rb @@ -1,5 +1,7 @@ +# frozen_string_literal: true + begin - require 'thor/group' + require "thor/group" rescue LoadError puts "Thor is not available.\nIf you ran this command from a git checkout " \ "of Rails, please make sure thor is installed,\nand run this command " \ @@ -16,18 +18,21 @@ module Rails include Thor::Actions include Rails::Generators::Actions + class_option :skip_namespace, type: :boolean, default: false, + desc: "Skip namespace (affects only isolated applications)" + add_runtime_options! strict_args_position! # Returns the source root for this generator using default_source_root as default. - def self.source_root(path=nil) + def self.source_root(path = nil) @_source_root = path if path @_source_root ||= default_source_root end # Tries to get the description from a USAGE file one folder above the source # root otherwise uses a default description. - def self.desc(description=nil) + def self.desc(description = nil) return super if description @desc ||= if usage_path @@ -40,15 +45,15 @@ module Rails # Convenience method to get the namespace from the class name. It's the # same as Thor default except that the Generator at the end of the class # is removed. - def self.namespace(name=nil) + def self.namespace(name = nil) return super if name - @namespace ||= super.sub(/_generator$/, '').sub(/:generators:/, ':') + @namespace ||= super.sub(/_generator$/, "").sub(/:generators:/, ":") end # Convenience method to hide this generator from the available ones when # running rails generator command. def self.hide! - Rails::Generators.hide_namespace self.namespace + Rails::Generators.hide_namespace(namespace) end # Invoke a generator based on the value supplied by the user to the @@ -168,7 +173,7 @@ module Rails names.each do |name| unless class_options.key?(name) defaults = if options[:type] == :boolean - { } + {} elsif [true, false].include?(default_value_for_option(name, options)) { banner: "" } else @@ -195,7 +200,7 @@ module Rails end # Make class option aware of Rails::Generators.options and Rails::Generators.aliases. - def self.class_option(name, options={}) #:nodoc: + def self.class_option(name, options = {}) #:nodoc: options[:desc] = "Indicates when to generate #{name.to_s.humanize.downcase}" unless options.key?(:desc) options[:aliases] = default_aliases_for_option(name, options) options[:default] = default_value_for_option(name, options) @@ -208,14 +213,14 @@ module Rails def self.default_source_root return unless base_name && generator_name return unless default_generator_root - path = File.join(default_generator_root, 'templates') + path = File.join(default_generator_root, "templates") path if File.exist?(path) end # Returns the base root for a common set of generators. This is used to dynamically # guess the default source root. def self.base_root - File.dirname(__FILE__) + __dir__ end # Cache source root and add lib/generators/base/generator/templates to @@ -230,7 +235,7 @@ module Rails Rails::Generators.subclasses << base Rails::Generators.templates_path.each do |path| - if base.name.include?('::') + if base.name.include?("::") base.source_paths << File.join(path, base.base_name, base.generator_name) else base.source_paths << File.join(path, base.generator_name) @@ -239,11 +244,11 @@ module Rails end end - protected + private # Check whether the given class names are already taken by user # application or Ruby on Rails. - def class_collisions(*class_names) #:nodoc: + def class_collisions(*class_names) return unless behavior == :invoke class_names.flatten.each do |class_name| @@ -251,35 +256,69 @@ module Rails next if class_name.strip.empty? # Split the class from its module nesting - nesting = class_name.split('::') + nesting = class_name.split("::") last_name = nesting.pop last = extract_last_module(nesting) if last && last.const_defined?(last_name.camelize, false) - raise Error, "The name '#{class_name}' is either already used in your application " << - "or reserved by Ruby on Rails. Please choose an alternative and run " << + raise Error, "The name '#{class_name}' is either already used in your application " \ + "or reserved by Ruby on Rails. Please choose an alternative and run " \ "this generator again." end end end # Takes in an array of nested modules and extracts the last module - def extract_last_module(nesting) + def extract_last_module(nesting) # :doc: nesting.inject(Object) do |last_module, nest| break unless last_module.const_defined?(nest, false) last_module.const_get(nest) end end + # Wrap block with namespace of current application + # if namespace exists and is not skipped + def module_namespacing(&block) # :doc: + content = capture(&block) + content = wrap_with_namespace(content) if namespaced? + concat(content) + end + + def indent(content, multiplier = 2) # :doc: + spaces = " " * multiplier + content.each_line.map { |line| line.blank? ? line : "#{spaces}#{line}" }.join + end + + def wrap_with_namespace(content) # :doc: + content = indent(content).chomp + "module #{namespace.name}\n#{content}\nend\n" + end + + def namespace # :doc: + Rails::Generators.namespace + end + + def namespaced? # :doc: + !options[:skip_namespace] && namespace + end + + def namespace_dirs + @namespace_dirs ||= namespace.name.split("::").map(&:underscore) + end + + def namespaced_path # :doc: + @namespaced_path ||= namespace_dirs.join("/") + end + # Use Rails default banner. - def self.banner - "rails generate #{namespace.sub(/^rails:/,'')} #{self.arguments.map(&:usage).join(' ')} [options]".gsub(/\s+/, ' ') + def self.banner # :doc: + "rails generate #{namespace.sub(/^rails:/, '')} #{arguments.map(&:usage).join(' ')} [options]".gsub(/\s+/, " ") end # Sets the base_name taking into account the current class namespace. - def self.base_name + def self.base_name # :doc: @base_name ||= begin - if base = name.to_s.split('::').first + if base = name.to_s.split("::").first base.underscore end end @@ -287,10 +326,10 @@ module Rails # Removes the namespaces and get the generator name. For example, # Rails::Generators::ModelGenerator will return "model" as generator name. - def self.generator_name + def self.generator_name # :doc: @generator_name ||= begin - if generator = name.to_s.split('::').last - generator.sub!(/Generator$/, '') + if generator = name.to_s.split("::").last + generator.sub!(/Generator$/, "") generator.underscore end end @@ -298,21 +337,21 @@ module Rails # Returns the default value for the option name given doing a lookup in # Rails::Generators.options. - def self.default_value_for_option(name, options) + def self.default_value_for_option(name, options) # :doc: default_for_option(Rails::Generators.options, name, options, options[:default]) end # Returns default aliases for the option name given doing a lookup in # Rails::Generators.aliases. - def self.default_aliases_for_option(name, options) + def self.default_aliases_for_option(name, options) # :doc: default_for_option(Rails::Generators.aliases, name, options, options[:aliases]) end # Returns default for the option name given doing a lookup in config. - def self.default_for_option(config, name, options, default) - if generator_name and c = config[generator_name.to_sym] and c.key?(name) + def self.default_for_option(config, name, options, default) # :doc: + if generator_name && (c = config[generator_name.to_sym]) && c.key?(name) c[name] - elsif base_name and c = config[base_name.to_sym] and c.key?(name) + elsif base_name && (c = config[base_name.to_sym]) && c.key?(name) c[name] elsif config[:rails].key?(name) config[:rails][name] @@ -331,7 +370,7 @@ module Rails def self.prepare_for_invocation(name, value) #:nodoc: return super unless value.is_a?(String) || value.is_a?(Symbol) - if value && constants = self.hooks[name] + if value && constants = hooks[name] value = name if TrueClass === value Rails::Generators.find_by_namespace(value, *constants) elsif klass = Rails::Generators.find_by_namespace(value) @@ -343,7 +382,7 @@ module Rails # Small macro to add ruby as an option to the generator with proper # default value plus an instance helper method called shebang. - def self.add_shebang_option! + def self.add_shebang_option! # :doc: class_option :ruby, type: :string, aliases: "-r", default: Thor::Util.ruby_command, desc: "Path to the Ruby binary of your choice", banner: "PATH" @@ -361,7 +400,7 @@ module Rails } end - def self.usage_path + def self.usage_path # :doc: paths = [ source_root && File.expand_path("../USAGE", source_root), default_generator_root && File.join(default_generator_root, "USAGE") @@ -369,11 +408,10 @@ module Rails paths.compact.detect { |path| File.exist? path } end - def self.default_generator_root + def self.default_generator_root # :doc: path = File.expand_path(File.join(base_name, generator_name), base_root) path if File.exist?(path) end - end end end |
