1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
rails--rails/actionpack/lib/action_view/view_load_paths.rb

103 lines
2.5 KiB
Ruby

module ActionView #:nodoc:
class ViewLoadPaths < Array #:nodoc:
def self.type_cast(obj)
obj.is_a?(String) ? LoadPath.new(obj) : obj
end
class LoadPath #:nodoc:
attr_reader :path, :paths
delegate :to_s, :inspect, :to => :path
def initialize(path)
@path = path.freeze
reload!
end
def eql?(view_path)
view_path.is_a?(ViewPath) && @path == view_path.path
end
def hash
@path.hash
end
# Rebuild load path directory cache
def reload!
@paths = {}
files.each do |file|
@paths[file.path] = file
@paths[file.path_without_extension] ||= file
end
@paths.freeze
end
# Tries to find the extension for the template name.
# If it does not it exist, tries again without the format extension
# find_template_file_for_partial_path('users/show') => 'html.erb'
# find_template_file_for_partial_path('users/legacy') => 'rhtml'
def find_template_file_for_partial_path(file)
@paths[file.path] || @paths[file.path_without_extension] || @paths[file.path_without_format_and_extension]
end
private
# Get all the files and directories in the path
def files_in_path
Dir.glob("#{@path}/**/*/**") | Dir.glob("#{@path}/**")
end
# Create an array of all the files within the path
def files
files_in_path.map do |file|
TemplateFile.from_full_path(@path, file) unless File.directory?(file)
end.compact
end
end
def initialize(*args)
super(*args).map! { |obj| self.class.type_cast(obj) }
end
def reload!
each { |path| path.reload! }
end
def <<(obj)
super(self.class.type_cast(obj))
end
def push(*objs)
delete_paths!(objs)
super(*objs.map { |obj| self.class.type_cast(obj) })
end
def unshift(*objs)
delete_paths!(objs)
super(*objs.map { |obj| self.class.type_cast(obj) })
end
def template_exists?(file)
find_load_path_for_path(file) ? true : false
end
def find_load_path_for_path(file)
find { |path| path.paths[file.to_s] }
end
def find_template_file_for_path(file)
file = TemplateFile.from_path(file)
each do |path|
if f = path.find_template_file_for_partial_path(file)
return f
end
end
nil
end
private
def delete_paths!(paths)
paths.each { |p1| delete_if { |p2| p1.to_s == p2.to_s } }
end
end
end