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Contents
module ZTK
# Locator Error Class
#
# @author Zachary Patten <zachary AT jovelabs DOT com>
class LocatorError < Error; end
# @author Zachary Patten <zachary AT jovelabs DOT com>
class Locator
class << self
# Locate a file or directory
#
# Attempts to locate the file or directory supplied, starting with
# the current working directory and crawling it up looking for a match
# at each step of the way.
#
# @param [String,Array<String>] args A string or array of strings to
# attempt to locate.
#
# @return [String] The expanded path to the located entry.
def find(*args)
pwd = Dir.pwd.split(File::SEPARATOR)
(pwd.length - 1).downto(0) do |i|
candidate = File.expand_path(File.join(pwd[0..i], args))
return candidate if File.exists?(candidate)
end
raise LocatorError, "Could not locate '#{File.join(args)}'!"
end
# Returns the root for the filesystem we are operating on. Ignores
# mount boundries on *nix.
#
# For all flavors of *nix this should always return "/".
#
# Windows should expect something similar to "C:\".
#
# @return [String] The root path of the file-system. For unix this should
# always be "/". For windows this should be something like "C:\".
def root
Dir.pwd.split(File::SEPARATOR).first
end
end
end
end
Version data entries
81 entries across 81 versions & 1 rubygems