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# frozen_string_literal: true
module RuboCop
# Common methods and behaviors for dealing with paths.
module PathUtil
module_function
def relative_path(path, base_dir = PathUtil.pwd)
# Optimization for the common case where path begins with the base
# dir. Just cut off the first part.
if path.start_with?(base_dir)
base_dir_length = base_dir.length
result_length = path.length - base_dir_length - 1
return path[base_dir_length + 1, result_length]
end
path_name = Pathname.new(File.expand_path(path))
begin
path_name.relative_path_from(Pathname.new(base_dir)).to_s
rescue ArgumentError
path
end
end
def smart_path(path)
# Ideally, we calculate this relative to the project root.
base_dir = PathUtil.pwd
if path.start_with? base_dir
relative_path(path, base_dir)
else
path
end
end
def match_path?(pattern, path)
case pattern
when String
File.fnmatch?(pattern, path, File::FNM_PATHNAME)
when Regexp
begin
path =~ pattern
rescue ArgumentError => e
return false if e.message.start_with?('invalid byte sequence')
raise e
end
end
end
# Returns true for an absolute Unix or Windows path.
def absolute?(path)
path =~ %r{\A([A-Z]:)?/}
end
def self.pwd
@pwd ||= Dir.pwd
end
def self.reset_pwd
@pwd = nil
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems