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Contents
module Nanoc
class IdentifiableCollectionView < ::Nanoc::View
include Enumerable
# @api private
def initialize(objects, context)
super(context)
@objects = objects
end
# @api private
def unwrap
@objects
end
# @abstract
#
# @api private
def view_class
raise NotImplementedError
end
# Calls the given block once for each object, passing that object as a parameter.
#
# @yieldparam [#identifier] object
#
# @yieldreturn [void]
#
# @return [self]
def each
@objects.each { |i| yield view_class.new(i, @context) }
self
end
# @return [Integer]
def size
@objects.size
end
# Finds all objects whose identifier matches the given argument.
#
# @param [String, Regex] arg
#
# @return [Enumerable]
def find_all(arg)
@objects.find_all(arg).map { |i| view_class.new(i, @context) }
end
# @overload [](string)
#
# Finds the object whose identifier matches the given string.
#
# If the glob syntax is enabled, the string can be a glob, in which case
# this method finds the first object that matches the given glob.
#
# @param [String] string
#
# @return [nil] if no object matches the string
#
# @return [#identifier] if an object was found
#
# @overload [](regex)
#
# Finds the object whose identifier matches the given regular expression.
#
# @param [Regex] regex
#
# @return [nil] if no object matches the regex
#
# @return [#identifier] if an object was found
def [](arg)
res = @objects[arg]
res && view_class.new(res, @context)
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems