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module Compass
module Installers
class Manifest
include Enumerable
# A Manifest entry
class Entry < Struct.new(:type, :from, :options)
def to
options[:to] || from
end
end
attr_reader :options
def initialize(manifest_file = nil, options = {})
@entries = []
@options = options
@generate_config = true
@compile_after_generation = true
parse(manifest_file) if manifest_file
end
def self.known_extensions
@known_extensions ||= {}
end
def self.plural_types
@plural_types ||= {}
end
def self.type(t, options = {})
Array(options[:extensions]).each do |ext|
self.known_extensions[ext] = t
end
self.plural_types[options[:plural]] = t if options[:plural]
eval <<-END
def #{t}(from, options = {})
@entries << Entry.new(:#{t}, from, options)
end
def has_#{t}?
@entries.detect {|e| e.type == :#{t}}
end
def each_#{t}
@entries.select {|e| e.type == :#{t}}.each {|e| yield e}
end
END
end
type :stylesheet, :plural => :stylesheets, :extensions => %w(scss sass)
type :image, :plural => :images, :extensions => %w(png gif jpg jpeg tiff gif)
type :javascript, :plural => :javascripts, :extensions => %w(js)
type :font, :plural => :fonts, :extensions => %w(eot otf woff ttf)
type :html, :plural => :html, :extensions => %w(html haml)
type :file, :plural => :files
type :directory, :plural => :directories
def discover(type)
type = self.class.plural_types[type] || type
dir = File.dirname(@manifest_file)
Dir.glob("#{dir}/**/*").each do |file|
next if /manifest\.rb/ =~ file
short_name = file[(dir.length+1)..-1]
options = {}
ext = if File.extname(short_name) == ".erb"
options[:erb] = true
File.extname(short_name[0..-5])
else
File.extname(short_name)
end[1..-1]
file_type = self.class.known_extensions[ext]
file_type = :file if file_type.nil?
file_type = :directory if File.directory?(file)
if type == :all || type == file_type
send(file_type, short_name, options)
end
end
end
def help(value = nil)
if value
@help = value
else
@help
end
end
attr_reader :welcome_message_options
def welcome_message(value = nil, options = {})
if value
@welcome_message = value
@welcome_message_options = options
else
@welcome_message
end
end
def welcome_message_options
@welcome_message_options || {}
end
def description(value = nil)
if value
@description = value
else
@description
end
end
# Enumerates over the manifest files
def each
@entries.each {|e| yield e}
end
def generate_config?
@generate_config
end
def compile?
@compile_after_generation
end
protected
def no_configuration_file!
@generate_config = false
end
def skip_compilation!
@compile_after_generation = false
end
def with_manifest(manifest_file)
@manifest_file = manifest_file
yield
ensure
@manifest_file = nil
end
# parses a manifest file which is a ruby script
# evaluated in a Manifest instance context
def parse(manifest_file)
with_manifest(manifest_file) do
if File.exists?(manifest_file)
open(manifest_file) do |f|
eval(f.read, instance_binding, manifest_file)
end
else
eval("discover :all", instance_binding, manifest_file)
end
end
end
def instance_binding
binding
end
end
end
end
|
