Class: FileType::Generic

Inherits:
Object show all
Defined in:
lib/file_type.rb

Direct Known Subclasses

Bz2, Directory, Gem, Gz, Ruby, Tar, TarBz2, TarGz, Unknown, Yaml, Zip

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ Generic

Returns a new instance of Generic.

Raises:

  • (ArgumentError) 


22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/file_type.rb', line 22

def initialize ( path )
  @path = Pathname.new(path)
  re = self.class.extension
  raise ArgumentError, "bad class #{self.class}" if re.nil?
  unless @path.to_s =~ re
    raise ArgumentError, "#{@path} do not match /#{re.source}/"
  end
  b, @ext = $`, $&
  if @ext.empty?
    @base = self
  else
    @base = FileType.guess(b)
  end
end

Instance Attribute Details

#base ⇒ Object (readonly)

Returns the value of attribute base.



20
21
22
 
# File 'lib/file_type.rb', line 20

def base
  @base
end

#ext ⇒ Object (readonly)

Returns the value of attribute ext.



20
21
22
 
# File 'lib/file_type.rb', line 20

def ext
  @ext
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



20
21
22
 
# File 'lib/file_type.rb', line 20

def path
  @path
end

Class Method Details

.filetype_extension(anObject, priority = 1) ⇒ Object 



75
76
77
78
79
80
81
 
# File 'lib/file_type.rb', line 75

def self.filetype_extension ( anObject, priority=1 )
  class_eval do
    self.extension = anObject
    self.priority = priority
    include Concrete
  end
end

.inherited(klass) ⇒ Object 



45
46
47
48
 
# File 'lib/file_type.rb', line 45

def self.inherited ( klass )
  FileType.register(klass)
  super
end

.match_type(path, max, best) ⇒ Object 



54
55
56
57
58
59
60
61
 
# File 'lib/file_type.rb', line 54

def self.match_type ( path, max, best )
  ext_re = self.extension
  if path.to_s =~ ext_re
    cur = $&.size * self.priority
    return [cur, self] if cur > max
  end
  return [max, best]
end

Instance Method Details

#+(arg) ⇒ Object 



63
64
65
 
# File 'lib/file_type.rb', line 63

def + ( arg )
  @path + arg.to_s
end

#extractable? ⇒ Boolean

Returns:

  • (Boolean) 


67
68
69
 
# File 'lib/file_type.rb', line 67

def extractable?
  false
end

#extsplit ⇒ Object 



41
42
43
 
# File 'lib/file_type.rb', line 41

def extsplit
  [@base, @ext]
end

#installable? ⇒ Boolean

Returns:

  • (Boolean) 


71
72
73
 
# File 'lib/file_type.rb', line 71

def installable?
  false
end

#symtbl_to_s ⇒ Object 



37
38
39
 
# File 'lib/file_type.rb', line 37

def symtbl_to_s
  to_s
end

#to_s ⇒ Object 



50
51
52
 
# File 'lib/file_type.rb', line 50

def to_s
  @path.to_s
end