middleman/middleman-core/lib/middleman-core/application.rb

461 lines
16 KiB
Ruby

require 'active_support/core_ext/integer/inflections'
require 'middleman-core/contracts'
require 'middleman-core/callback_manager'
require 'middleman-core/logger'
require 'middleman-core/sitemap/store'
require 'middleman-core/configuration'
require 'middleman-core/extension_manager'
require 'middleman-core/core_extensions'
require 'middleman-core/config_context'
require 'middleman-core/file_renderer'
require 'middleman-core/template_renderer'
# Core Middleman Class
module Middleman
MiddlewareDescriptor = Struct.new(:class, :options, :block)
MapDescriptor = Struct.new(:path, :block)
class Application
extend Forwardable
include Contracts
class << self
extend Forwardable
def_delegator :config, :define_setting
# Global configuration for the whole Middleman project.
# @return [ConfigurationManager]
def config
@config ||= ::Middleman::Configuration::ConfigurationManager.new
end
# Root project directory (overwritten in middleman build/server)
# @return [String]
def root
r = ENV['MM_ROOT'] ? ENV['MM_ROOT'].dup : ::Middleman::Util.current_directory
r.encode!('UTF-8', 'UTF-8-MAC') if RUBY_PLATFORM =~ /darwin/
r
end
# Pathname-addressed root
def root_path
Pathname(root)
end
end
Contract ::Middleman::ConfigContext
attr_reader :config_context
Contract ::Middleman::Sitemap::Store
attr_reader :sitemap
# An anonymous subclass of ::Middleman::TemplateContext
attr_reader :template_context_class
# An instance of the above anonymouse class.
attr_reader :generic_template_context
Contract ::Middleman::Configuration::ConfigurationManager
attr_reader :config
Contract ::Middleman::ExtensionManager
attr_reader :extensions
Contract SetOf[MiddlewareDescriptor]
attr_reader :middleware
Contract SetOf[MapDescriptor]
attr_reader :mappings
# Which port preview should start on.
# @return [Fixnum]
define_setting :port, 4567, 'The preview server port'
# Which server name should be used
# @return [NilClass, String]
define_setting :server_name, nil, 'The server name of preview server'
# Which bind address the preview server should use
# @return [NilClass, String]
define_setting :bind_address, nil, 'The bind address of the preview server'
# Whether to serve the preview server over HTTPS.
# @return [Boolean]
define_setting :https, false, 'Serve the preview server over SSL/TLS'
# The (optional) path to the SSL cert to use for the preview server.
# @return [String]
define_setting :ssl_certificate, nil, 'Path to an X.509 certificate to use for the preview server'
# The (optional) private key for the certificate in :ssl_certificate.
# @return [String]
define_setting :ssl_private_key, nil, "Path to an RSA private key for the preview server's certificate"
# Name of the source directory
# @return [String]
define_setting :source, 'source', 'Name of the source directory'
# If we should not run the sitemap.
# @return [Boolean]
define_setting :disable_sitemap, false, 'If we should not run the sitemap.'
# If we should exit before ready event.
# @return [Boolean]
define_setting :exit_before_ready, false, 'If we should exit before ready event.'
# Middleman mode. Defaults to :server, set to :build by the build process
# @return [String]
define_setting :mode, :server, 'Middleman mode. Defaults to :server'
# Middleman environment. Defaults to :development
# @return [String]
define_setting :environment, ((ENV['MM_ENV'] && ENV['MM_ENV'].to_sym) || :development), 'Middleman environment. Defaults to :development', import: proc { |s| s.to_sym }
# Which file should be used for directory indexes
# @return [String]
define_setting :index_file, 'index.html', 'Which file should be used for directory indexes'
# Whether to strip the index file name off links to directory indexes
# @return [Boolean]
define_setting :strip_index_file, true, 'Whether to strip the index file name off links to directory indexes'
# Whether to include a trailing slash when stripping the index file
# @return [Boolean]
define_setting :trailing_slash, true, 'Whether to include a trailing slash when stripping the index file'
# Location of javascripts within source.
# @return [String]
define_setting :js_dir, 'javascripts', 'Location of javascripts within source'
# Location of stylesheets within source.
# @return [String]
define_setting :css_dir, 'stylesheets', 'Location of stylesheets within source'
# Location of images within source. Used by HTML helpers.
# @return [String]
define_setting :images_dir, 'images', 'Location of images within source'
# Location of fonts within source.
# @return [String]
define_setting :fonts_dir, 'fonts', 'Location of fonts within source'
# Location of layouts within source. Used by renderers.
# @return [String]
define_setting :layouts_dir, 'layouts', 'Location of layouts within source'
# Where to build output files
# @return [String]
define_setting :build_dir, 'build', 'Where to build output files'
# Default prefix for building paths. Used by HTML helpers.
# @return [String]
define_setting :http_prefix, '/', 'Default prefix for building paths'
# Default layout name
# @return [String]
define_setting :layout, :_auto_layout, 'Default layout name'
# Which file extensions have a layout by default.
# @return [Array.<String>]
define_setting :extensions_with_layout, %w(.htm .html .xhtml .php), 'Which file extensions have a layout by default.'
# Which file extensions are "assets."
# @return [Array.<String>]
define_setting :asset_extensions, %w(.css .png .jpg .jpeg .webp .svg .svgz .js .gif .ttf .otf .woff .woff2 .eot .ico .map), 'Which file extensions are treated as assets.'
# Default string encoding for templates and output.
# @return [String]
define_setting :encoding, 'utf-8', 'Default string encoding for templates and output'
# Should Padrino include CRSF tag
# @return [Boolean]
define_setting :protect_from_csrf, false, 'Should Padrino include CRSF tag'
# Set to automatically convert some characters into a directory
define_setting :automatic_directory_matcher, nil, 'Set to automatically convert some characters into a directory'
# Setup callbacks which can exclude paths from the sitemap
define_setting :ignored_sitemap_matchers, {
# Files starting with an underscore, but not a double-underscore
partials: proc do |file|
ignored = false
file[:relative_path].ascend do |f|
if f.basename.to_s =~ %r{^_[^_]}
ignored = true
break
end
end
ignored
end,
layout: proc do |file, app|
file[:relative_path].to_s.start_with?('layout.', app.config[:layouts_dir] + '/')
end
}, 'Callbacks that can exclude paths from the sitemap'
define_setting :skip_build_clean, proc { |p| [/\.git/].any? { |r| p =~ r } }, 'Whether some paths should not be removed during a clean build.'
define_setting :cli_options, {}, 'Options from the Command Line.'
define_setting :watcher_disable, false, 'If the Listen watcher should not run'
define_setting :watcher_force_polling, false, 'If the Listen watcher should run in polling mode'
define_setting :watcher_latency, nil, 'The Listen watcher latency'
define_setting :watcher_wait_for_delay, 0.5, 'The Listen watcher delay between calls when changes exist'
# Delegate convenience methods off to their implementations
def_delegator :"::Middleman::Logger", :singleton, :logger
def_delegator :"::Middleman::Util", :instrument
def_delegators :"self.class", :root, :root_path
def_delegators :@generic_template_context, :link_to, :image_tag, :asset_path
def_delegators :@extensions, :activate
def_delegators :config, :define_setting
# Initialize the Middleman project
def initialize(&block)
# Search the root of the project for required files
$LOAD_PATH.unshift(root) unless $LOAD_PATH.include?(root)
::Middleman::Util.instrument 'application.setup' do
@callbacks = ::Middleman::CallbackManager.new
@callbacks.install_methods!(self, [
:initialized,
:configure,
:before_extensions,
:before_instance_block,
:before_sitemap,
:before_configuration,
:after_configuration,
:after_configuration_eval,
:ready,
:before_build,
:after_build,
:before_shutdown,
:before, # Before Rack requests
:before_render,
:after_render,
:before_server,
:reload
])
@middleware = Set.new
@mappings = Set.new
@template_context_class = Class.new(Middleman::TemplateContext)
@generic_template_context = @template_context_class.new(self)
@config_context = ConfigContext.new(self, @template_context_class)
# Setup the default values from calls to set before initialization
@config = ::Middleman::Configuration::ConfigurationManager.new
@config.load_settings(self.class.config.all_settings)
config[:source] = ENV['MM_SOURCE'] if ENV['MM_SOURCE']
# TODO, make this less global
::Middleman::FileRenderer.cache.clear
::Middleman::TemplateRenderer.cache.clear
end
execute_callbacks(:before_extensions)
@extensions = ::Middleman::ExtensionManager.new(self)
execute_callbacks(:before_instance_block)
# Evaluate a passed block if given
config_context.instance_exec(&block) if block_given?
apply_cli_options
execute_callbacks(:before_sitemap)
# Initialize the Sitemap
@sitemap = ::Middleman::Sitemap::Store.new(self)
::Middleman::Extension.clear_after_extension_callbacks
# Before config is parsed, before extensions get to it.
execute_callbacks(:initialized)
# Before config is parsed. Mostly used for extensions.
execute_callbacks(:before_configuration)
# Eval config.
evaluate_configuration!
# Run any `configure` blocks for the current environment.
execute_callbacks([:configure, config[:environment]])
# Run any `configure` blocks for the current mode.
execute_callbacks([:configure, config[:mode]])
apply_cli_options
# Post parsing, pre-extension callback
execute_callbacks(:after_configuration_eval)
if Object.const_defined?(:Encoding)
Encoding.default_external = config[:encoding]
end
prune_tilt_templates!
# After extensions have worked after_config
execute_callbacks(:after_configuration)
# Everything is stable
execute_callbacks(:ready) unless config[:exit_before_ready]
end
def apply_cli_options
config[:cli_options].each do |k, v|
setting = config.setting(k.to_sym)
next unless setting
v = setting.options[:import].call(v) if setting.options[:import]
config[k.to_sym] = v
end
end
# Eval config
def evaluate_configuration!
# Check for and evaluate local configuration in `config.rb`
config_rb = File.join(root, 'config.rb')
if File.exist? config_rb
logger.debug '== Reading: Local config: config.rb'
config_context.instance_eval File.read(config_rb), config_rb, 1
else
# Check for and evaluate local configuration in `middleman.rb`
middleman_rb = File.join(root, 'middleman.rb')
if File.exist? middleman_rb
logger.debug '== Reading: Local middleman: middleman.rb'
config_context.instance_eval File.read(middleman_rb), middleman_rb, 1
end
end
env_config = File.join(root, 'environments', "#{config[:environment]}.rb")
return unless File.exist? env_config
logger.debug "== Reading: #{config[:environment]} config"
config_context.instance_eval File.read(env_config), env_config, 1
end
# Clean up missing Tilt exts
def prune_tilt_templates!
::Tilt.default_mapping.lazy_map.each_key do |key|
begin
::Tilt[".#{key}"]
rescue LoadError, NameError
::Tilt.default_mapping.lazy_map.delete(key)
end
end
end
# Whether we're in a specific mode
# @param [Symbol] key
# @return [Boolean]
Contract Symbol => Bool
def mode?(key)
config[:mode] == key
end
# Whether we're in server mode
# @return [Boolean] If we're in dev mode
Contract Bool
def server?
mode?(:server)
end
# Whether we're in build mode
# @return [Boolean] If we're in dev mode
Contract Bool
def build?
mode?(:build)
end
# Whether we're in a specific environment
# @param [Symbol] key
# @return [Boolean]
Contract Symbol => Bool
def environment?(key)
config[:environment] == key
end
# Backwards compatible helper. What the current environment is.
# @return [Symbol]
Contract Symbol
def environment
config[:environment]
end
# Backwards compatible helper. Whether we're in dev mode.
# @return [Boolean]
Contract Bool
def development?
environment?(:development)
end
# Backwards compatible helper. Whether we're in production mode.
# @return [Boolean]
Contract Bool
def production?
environment?(:production)
end
# Backwards compatible helper. The full path to the default source dir.
Contract Pathname
def source_dir
Pathname(File.join(root, config[:source]))
end
# Use Rack middleware
#
# @param [Class] middleware Middleware module
# @return [void]
# Contract Any, Args[Any], Maybe[Proc] => Any
def use(middleware, *args, &block)
@middleware << MiddlewareDescriptor.new(middleware, args, block)
end
# Add Rack App mapped to specific path
#
# @param [String] map Path to map
# @return [void]
Contract String, Proc => Any
def map(map, &block)
@mappings << MapDescriptor.new(map, block)
end
# Let everyone know we're shutting down.
def shutdown!
execute_callbacks(:before_shutdown)
end
# Set attributes (global variables)
#
# @deprecated Prefer accessing settings through "config".
#
# @param [Symbol] key Name of the attribue
# @param value Attribute value
# @return [void]
def set(key, value=nil, &block)
logger.warn "Warning: `set :#{key}` is deprecated. Use `config[:#{key}] =` instead."
value = block if block_given?
config[key] = value
end
# Work around this bug: http://bugs.ruby-lang.org/issues/4521
# where Ruby will call to_s/inspect while printing exception
# messages, which can take a long time (minutes at full CPU)
# if the object is huge or has cyclic references, like this.
def to_s
"#<Middleman::Application:0x#{object_id}>"
end
alias inspect to_s # Ruby 2.0 calls inspect for NoMethodError instead of to_s
end
end