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

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require "rbconfig"
# Using Thor's indifferent hash access
require "thor"
require "active_support"
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# Setup our load paths
libdir = File.expand_path(File.dirname(__FILE__))
$LOAD_PATH.unshift(libdir) unless $LOAD_PATH.include?(libdir)
class String
def camelize
self.to_s.gsub(/\/(.?)/) { "::#{$1.upcase}" }.gsub(/(?:^|_)(.)/) { $1.upcase }
end
end
# Simple callback library
require "middleman-core/vendor/hooks-0.2.0/lib/hooks"
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# Top-level Middleman object
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module Middleman
WINDOWS = !!(RUBY_PLATFORM =~ /(mingw|bccwin|wince|mswin32)/i) unless const_defined?(:WINDOWS)
JRUBY = !!(RbConfig::CONFIG["RUBY_INSTALL_NAME"] =~ /^jruby/i) unless const_defined?(:JRUBY)
DARWIN = RbConfig::CONFIG['target_os'] =~ /darwin/i unless const_defined?(:DARWIN)
LINUX = RbConfig::CONFIG['target_os'] =~ /linux/i unless const_defined?(:LINUX)
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# Auto-load modules on-demand
autoload :Base, "middleman-core/base"
autoload :Cache, "middleman-core/cache"
autoload :Templates, "middleman-core/templates"
autoload :Watcher, "middleman-core/watcher"
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module Cli
autoload :Base, "middleman-core/cli"
autoload :Build, "middleman-core/cli/build"
autoload :Init, "middleman-core/cli/init"
autoload :Server, "middleman-core/cli/server"
end
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# Custom Renderers
module Renderers
autoload :ERb, "middleman-core/renderers/erb"
end
module Sitemap
autoload :Store, "middleman-core/sitemap/store"
autoload :Page, "middleman-core/sitemap/page"
autoload :Template, "middleman-core/sitemap/template"
end
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module CoreExtensions
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# File Change Notifier
autoload :FileWatcher, "middleman-core/core_extensions/file_watcher"
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# In-memory Sitemap
autoload :Sitemap, "middleman-core/core_extensions/sitemap"
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# Add Builder callbacks
autoload :Builder, "middleman-core/core_extensions/builder"
# Custom Feature API
autoload :Extensions, "middleman-core/core_extensions/extensions"
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# Asset Path Pipeline
autoload :Assets, "middleman-core/core_extensions/assets"
# Data looks at the data/ folder for YAML files and makes them available
# to dynamic requests.
autoload :Data, "middleman-core/core_extensions/data"
# Parse YAML from templates
autoload :FrontMatter, "middleman-core/core_extensions/front_matter"
# DefaultHelpers are the built-in dynamic template helpers.
autoload :DefaultHelpers, "middleman-core/core_extensions/default_helpers"
# Extended version of Padrino's rendering
autoload :Rendering, "middleman-core/core_extensions/rendering"
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# Pass custom options to views
autoload :Routing, "middleman-core/core_extensions/routing"
# Catch and show exceptions at the Rack level
autoload :ShowExceptions, "middleman-core/core_extensions/show_exceptions"
end
module Extensions
# Provide Apache-style index.html files for directories
autoload :DirectoryIndexes, "middleman-core/extensions/directory_indexes"
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# Lorem provides a handful of helpful prototyping methods to generate
# words, paragraphs, fake images, names and email addresses.
autoload :Lorem, "middleman-core/extensions/lorem"
# AutomaticImageSizes inspects the images used in your dynamic templates
# and automatically adds width and height attributes to their HTML
# elements.
autoload :AutomaticImageSizes, "middleman-core/extensions/automatic_image_sizes"
# AssetHost allows you to setup multiple domains to host your static
# assets. Calls to asset paths in dynamic templates will then rotate
# through each of the asset servers to better spread the load.
autoload :AssetHost, "middleman-core/extensions/asset_host"
end
module Extensions
class << self
def registered
@_registered ||= {}
end
def register(name, namespace=nil, version=nil, &block)
# If we've already got a matching extension that passed the
# version check, bail out.
return if registered.has_key?(name.to_sym) &&
!registered[name.to_sym].is_a?(String)
if block_given?
version = namespace
end
passed_version_check = true
if !version.nil?
requirement = ::Gem::Requirement.create(version)
if !requirement.satisfied_by?(Middleman::GEM_VERSION)
passed_version_check = false
end
end
registered[name.to_sym] = if !passed_version_check
"== #{name} failed version check. Requested #{version}, got #{Middleman::VERSION}"
elsif block_given?
block
elsif namespace
namespace
end
end
def load(name)
name = name.to_sym
return nil unless registered.has_key?(name)
extension = registered[name]
if extension.is_a?(Proc)
extension = extension.call() || nil
registered[name] = extension
end
extension
end
end
end
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# Where to look in gems for extensions to auto-register
EXTENSION_FILE = File.join("lib", "middleman_extension.rb") unless const_defined?(:EXTENSION_FILE)
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class << self
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# Recursively convert a normal Hash into a HashWithIndifferentAccess
#
# @private
# @param [Hash] data Normal hash
# @return [Thor::CoreExt::HashWithIndifferentAccess]
def recursively_enhance(data)
if data.is_a? Hash
data = ::Thor::CoreExt::HashWithIndifferentAccess.new(data)
data.each do |key, val|
data[key] = recursively_enhance(val)
end
data
elsif data.is_a? Array
data.each_with_index do |val, i|
data[i] = recursively_enhance(val)
end
data
else
data
end
end
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# Automatically load extensions from available RubyGems
# which contain the EXTENSION_FILE
#
# @private
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def load_extensions_in_path
extensions = rubygems_latest_specs.select do |spec|
spec_has_file?(spec, EXTENSION_FILE)
end
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extensions.each do |spec|
require spec.name
end
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end
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# Backwards compatible means of finding all the latest gemspecs
# available on the system
#
# @private
# @return [Array] Array of latest Gem::Specification
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def rubygems_latest_specs
# If newer Rubygems
if ::Gem::Specification.respond_to? :latest_specs
::Gem::Specification.latest_specs
else
::Gem.source_index.latest_specs
end
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end
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# Where a given Gem::Specification has a specific file. Used
# to discover extensions and Sprockets-supporting gems.
#
# @private
# @param [Gem::Specification]
# @param [String] Path to look for
# @return [Boolean] Whether the file exists
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def spec_has_file?(spec, path)
full_path = File.join(spec.full_gem_path, path)
File.exists?(full_path)
end
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# Create a new Class which is based on Middleman::Base
# Used to create a safe sandbox into which extensions and
# configuration can be included later without impacting
# other classes and instances.
#
# @return [Class]
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def server(&block)
Class.new(Middleman::Base)
end
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# Creates a new Rack::Server
#
# @param [Hash] options to pass to Rack::Server.new
# @return [Rack::Server]
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def start_server(options={})
require "webrick"
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opts = {
:Port => options[:port] || 4567,
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:Host => options[:host] || "0.0.0.0",
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:AccessLog => []
}
opts[:Logger] = WEBrick::Log::new("/dev/null", 7) if !options[:logging]
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app_class = options[:app] ||= ::Middleman.server.inst
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opts[:app] = app_class
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# Disable for Beta 1. See if people notice.
# require "thin"
# ::Thin::Logging.silent = !options[:logging]
# opts[:server] = 'thin'
opts[:server] = 'webrick'
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server = ::Rack::Server.new(opts)
server.start
server
end
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end
end