Module: Doh

Extended by:
Doh
Included in:
Doh
Defined in:
lib/dohroot.rb,
lib/dohroot/findup.rb,
lib/dohroot/options.rb

Defined Under Namespace

Classes: DohRootNotFoundException, Options

Instance Method Summary collapse

Instance Method Details

#find_root(start_directory, filename = 'dohroot', max_tries = 20) ⇒ Object 



19
20
21
22
23
24
 
# File 'lib/dohroot.rb', line 19

def find_root(start_directory, filename = 'dohroot', max_tries = 20)
  rootfile = Doh.findup(start_directory, filename, max_tries)
  if rootfile
    Doh.root = File.dirname(rootfile)
  end
end

#find_root_from_file(filepath = nil) ⇒ Object 



26
27
28
 
# File 'lib/dohroot.rb', line 26

def find_root_from_file(filepath = nil)
  Doh.find_root(File.dirname(filepath || caller[0]))
end

#find_root_from_path(path) ⇒ Object 



30
31
32
33
34
35
36
 
# File 'lib/dohroot.rb', line 30

def find_root_from_path(path)
  if File.directory?(path)
    Doh.find_root(path)
  else
    Doh.find_root(File.dirname(path))
  end
end

#find_root_from_prog ⇒ Object 



38
39
40
 
# File 'lib/dohroot.rb', line 38

def find_root_from_prog
  Doh.find_root(File.dirname($PROGRAM_NAME))
end

#find_root_from_pwd ⇒ Object 



42
43
44
 
# File 'lib/dohroot.rb', line 42

def find_root_from_pwd
  Doh.find_root(Dir.pwd)
end

#findup(start_directory, filename, max_tries = 20) ⇒ Object 



4
5
6
7
8
9
10
11
12
13
 
# File 'lib/dohroot/findup.rb', line 4

def findup(start_directory, filename, max_tries = 20)
  curr_directory = start_directory
  max_tries.times do
    path = File.expand_path(File.join(curr_directory, filename))
    return path if File.exist?(path)
    return nil if (path == '/')
    curr_directory = File.join(curr_directory, '..')
  end
  nil
end

#root ⇒ Object 



9
10
11
 
# File 'lib/dohroot.rb', line 9

def root
  @root
end

#root=(directory) ⇒ Object 



13
14
15
16
17
 
# File 'lib/dohroot.rb', line 13

def root=(directory)
  @root = directory
  libdir = File.join(@root, 'lib')
  $LOAD_PATH.push(libdir) if libdir
end