module ClassExt

Public Instance Methods

class_exists?(name) click to toggle source
# File lib/sweetloader/class_ext.rb, line 20
def class_exists?(name)
  is_class? get_module(name)
rescue
  return false
end
find_first_class(*names) click to toggle source
# File lib/sweetloader/class_ext.rb, line 57
def find_first_class *names
  classes = names.flatten.compact.uniq.inject([]) do |res, class_name|
    found_class = try_class(class_name.to_s.camelize)
    res << found_class if found_class
    res
  end
  raise ClassNotFoundError, "Not one Class for any of: #{names} is currently loaded" if classes.empty?
  classes.first
end
find_first_module(*names) click to toggle source
# File lib/sweetloader/class_ext.rb, line 67
def find_first_module *names
  modules = names.flatten.compact.uniq.inject([]) do |res, class_name|
    found_class = try_module(class_name.to_s.camelize)
    res << found_class if found_class
    res
  end
  raise ModuleNotFoundError, "Not one Module for any of: #{names} is currently loaded" if modules.empty?
  modules.first
end
get_module(name) click to toggle source
# File lib/sweetloader/class_ext.rb, line 5
def get_module name
  # Module.const_get(name)
  name.to_s.camelize.constantize
rescue
  nil
end
is_class?(clazz) click to toggle source
# File lib/sweetloader/class_ext.rb, line 12
def is_class?(clazz)
  clazz.is_a?(Class) && (clazz.respond_to? :new)
end
is_module?(clazz) click to toggle source
# File lib/sweetloader/class_ext.rb, line 16
def is_module?(clazz)
  clazz.is_a?(Module) && !(clazz.respond_to? :new)
end
module_exists?(name) click to toggle source
# File lib/sweetloader/class_ext.rb, line 26
def module_exists?(name)
  is_module? get_module(name)
rescue NameError
  return false
end
try_class(name) click to toggle source
# File lib/sweetloader/class_ext.rb, line 32
def try_class name
  return name if name.kind_of?(Class)
  found = get_module(name) if name.is_a?(String) || name.is_a?(Symbol)
  return found if found.is_a?(Class)
rescue
  false
end
try_module(name) click to toggle source
# File lib/sweetloader/class_ext.rb, line 40
def try_module name
  return name if name.kind_of?(Module)
  found = get_module(name.to_s) if name.is_a?(String) || name.is_a?(Symbol)
  return found if found.is_a?(Module)
rescue
  false
end
try_module_only(name) click to toggle source
# File lib/sweetloader/class_ext.rb, line 48
def try_module_only name
  return name if is_module?(name)
  found = get_module(name) if name.is_a?(String) || name.is_a?(Symbol)
  return found if is_module?(found)
rescue
  false
end