lib/baza.rb
require "array_enumerator"
require "auto_autoloader"
require "datet"
require "simple_delegate"
require "string-cases"
require "wref"
class Baza
AutoAutoloader.autoload_sub_classes(self, __FILE__)
class << self
attr_writer :default_db
end
def self.default_db
unless @default_db
config_file = "#{Dir.pwd}/config/baza_database.rb"
init_file = "#{Dir.pwd}/config/initializers/baza_database.rb"
begin
load(config_file)
rescue LoadError
load(init_file)
end
unless @default_db.is_a?(Baza::Db)
raise "Config file didn't return a Baza::Db: #{@default_db.class.name}"
end
end
@default_db
end
def self.drivers
Enumerator.new do |yielder|
Dir.foreach("#{File.dirname(__FILE__)}/baza/driver") do |file|
if (match = file.match(/\A(.+?)\.rb\Z/))
load_driver(match[1])
driver_name = StringCases.snake_to_camel(match[1])
yielder << {
class: Baza::Driver.const_get(driver_name),
snake_name: match[1],
camel_name: driver_name
}
end
end
end
end
def self.load_driver(name)
require_relative "baza/driver/#{name}"
loads = %w(databases database tables table columns column indexes index result commands)
loads.each do |load|
file_path = "#{File.dirname(__FILE__)}/baza/driver/#{name}/#{load}"
require_relative file_path if File.exist?(file_path) || File.exist?("#{file_path}.rb")
end
end
end