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module Launchy::Detect
# Detect the current host os family
#
# If the current host familiy cannot be detected then return
# HostOsFamily::Unknown
class HostOsFamily
class NotFoundError < Launchy::Error; end
extend ::Launchy::DescendantTracker
class << self
def detect( host_os = HostOs.new )
found = find_child( :matches?, host_os )
return found.new( host_os ) if found
raise NotFoundError, "Unknown OS family for host os '#{host_os}'. #{Launchy.bug_report_message}"
end
def matches?( host_os )
matching_regex.match( host_os.to_s )
end
def windows?() self == Windows; end
def darwin?() self == Darwin; end
def nix?() self == Nix; end
def cygwin?() self == Cygwin; end
end
attr_reader :host_os
def initialize( host_os = HostOs.new )
@host_os = host_os
end
def windows?() self.class.windows?; end
def darwin?() self.class.darwin?; end
def nix?() self.class.nix?; end
def cygwin?() self.class.cygwin?; end
#---------------------------
# All known host os families
#---------------------------
#
class Windows < HostOsFamily
def self.matching_regex
/(mingw|mswin|windows)/i
end
def app_list( app ) app.windows_app_list; end
end
class Darwin < HostOsFamily
def self.matching_regex
/(darwin|mac os)/i
end
def app_list( app ) app.darwin_app_list; end
end
class Nix < HostOsFamily
def self.matching_regex
/(linux|bsd|aix|solaris)/i
end
def app_list( app ) app.nix_app_list; end
end
class Cygwin < HostOsFamily
def self.matching_regex
/cygwin/i
end
def app_list( app ) app.cygwin_app_list; end
end
end
end
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