Class: Launchy::Spawnable::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/launchy/spawnable/application.rb

Direct Known Subclasses

Browser

Constant Summary collapse

KNOWN_OS_FAMILIES = 
[ :windows, :darwin, :nix ]

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.application_classes ⇒ Object 



14
15
16
 
# File 'lib/launchy/spawnable/application.rb', line 14

def application_classes
    @application_classes ||= []
end

.find_application_class_for(*args) ⇒ Object 



18
19
20
 
# File 'lib/launchy/spawnable/application.rb', line 18

def find_application_class_for(*args)
    application_classes.find { |klass| klass.handle?(*args) }
end

.inherited(sub_class) ⇒ Object 



11
12
13
 
# File 'lib/launchy/spawnable/application.rb', line 11

def inherited(sub_class)
    application_classes << sub_class
end

Instance Method Details

#find_executable(bin, *paths) ⇒ Object

find an executable in the available paths mkrf did such a good job on this I had to borrow it.



25
26
27
28
29
30
31
32
 
# File 'lib/launchy/spawnable/application.rb', line 25

def find_executable(bin,*paths)
    paths = ENV['PATH'].split(File::PATH_SEPARATOR) if paths.empty?
    paths.each do |path|
        file = File.join(path,bin)
        return file if File.executable?(file)
    end
    return nil
end

#my_os ⇒ Object

return the current ‘host_os’ string from ruby’s configuration



35
36
37
 
# File 'lib/launchy/spawnable/application.rb', line 35

def my_os
    ::Config::CONFIG['host_os']
end

#my_os_family(test_os = my_os) ⇒ Object

detect what the current os is and return :windows, :darwin, :nix or :java



40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
 
# File 'lib/launchy/spawnable/application.rb', line 40

def my_os_family(test_os = my_os)
    case test_os
    when /mswin/i
        family = :windows
    when /windows/i
        family = :windows
    when /darwin/i
        family = :darwin
    when /mac os/i
        family = :darwin
    when /solaris/i
        family = :nix
    when /bsd/i
        family = :nix
    when /linux/i
        family = :nix
    when /cygwin/i
        family = :nix
    else
        $stderr.puts "Unknown OS familiy for '#{test_os}'.  Please report this bug."
        family = :unknown
    end
end

#run(cmd, *args) ⇒ Object

run the command



65
66
67
68
69
70
71
72
 
# File 'lib/launchy/spawnable/application.rb', line 65

def run(cmd,*args)
    args.unshift(cmd)
    if my_os_family == :windows then
        require 'win32/process'
    end
    child_pid = fork { system args.join(' ') }
    Process.detach(child_pid)
end