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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, :to_str, :inspect, :to => :path
def initialize(path)
@path = path.freeze
reload!
end
def ==(path)
to_str == path.to_str
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
def find_template_file_for_partial_path(template_path, template_format)
@paths["#{template_path}.#{template_format}"] ||
@paths[template_path] ||
@paths[template_path.gsub(/\..*$/, '')]
end
private
# Get all the files and directories in the path
def files_in_path
Dir.glob("#{@path}/**/*/**") | Dir.glob("#{@path}/**")
end
# Create an array of all the files within the path
def files
files_in_path.map do |file|
TemplateFile.from_full_path(@path, file) unless File.directory?(file)
end.compact
end
end
def initialize(*args)
super(*args).map! { |obj| self.class.type_cast(obj) }
end
def reload!
each { |path| path.reload! }
end
def <<(obj)
super(self.class.type_cast(obj))
end
def push(*objs)
delete_paths!(objs)
super(*objs.map { |obj| self.class.type_cast(obj) })
end
def unshift(*objs)
delete_paths!(objs)
super(*objs.map { |obj| self.class.type_cast(obj) })
end
def template_exists?(file)
find_load_path_for_path(file) ? true : false
end
def find_load_path_for_path(file)
find { |path| path.paths[file.to_s] }
end
def find_template_file_for_path(template_path)
template_path_without_extension, template_extension = path_and_extension(template_path.to_s)
each do |path|
if f = path.find_template_file_for_partial_path(template_path_without_extension, template_extension)
return f
end
end
nil
end
private
def delete_paths!(paths)
paths.each { |p1| delete_if { |p2| p1.to_s == p2.to_s } }
end
# Splits the path and extension from the given template_path and returns as an array.
def path_and_extension(template_path)
template_path_without_extension = template_path.sub(/\.(\w+)$/, '')
[template_path_without_extension, $1]
end
end
end
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