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Contents
require "jsduck/meta_tag"
module JsDuck
# Loader for built-in and user-defined meta-tags.
class MetaTagLoader
attr_reader :meta_tags
def initialize
@classes = []
@meta_tags = []
end
# Loads user-defined meta-tags from given path.
#
# * If path is a directory, loads all *.rb files in it.
# * If path is the symbol :builtins, loads the builtin
# tags from ./tag dir.
# * Otherwise loads tags from the single file.
def load(path)
if path == :builtins
load(File.dirname(__FILE__) + "/tag")
elsif File.directory?(path)
# Sort paths, so they are always loaded in the same order.
# This is important for signatures to always be rendered in
# the same order.
Dir[path+"/**/*.rb"].sort.each {|file| load_file(file) }
else
load_file(path)
end
end
private
# Loads just one file.
def load_file(file)
require(file)
init_remaining
end
# Instantiates meta tag classes that haven't been instantiated
# already. This is called after each meta-tags file is loaded so
# that the list of meta-tags will be in order specified from
# command line.
def init_remaining
MetaTag.descendants.each do |cls|
if !@classes.include?(cls)
@classes << cls
newtag = create_tag(cls)
@meta_tags = @meta_tags.find_all {|t| t.name != newtag.name }
@meta_tags << newtag
end
end
end
# Instanciates tag class.
# When .key is missing, creates it from .name
# When .position is missing, defaults to :bottom
def create_tag(cls)
tag = cls.new
tag.key = tag.name.to_sym unless tag.key
tag.position = :bottom unless tag.position
tag
end
end
end
Version data entries
47 entries across 47 versions & 1 rubygems