Class: Coral::Util::Disk

Inherits:
Object
  • Object
show all
Defined in:
lib/coral_core/util/disk.rb

Constant Summary collapse

@@files =

Properties

{}
@@separator = 
false
@@description = 
''

Class Method Summary collapse

Class Method Details

.close(file_names = []) ⇒ Object 



91
92
93
94
95
96
97
98
99
100
101
102
 
# File 'lib/coral_core/util/disk.rb', line 91

def self.close(file_names = [])
  file_names = @@files.keys unless file_names && ! file_names.empty?
  
  unless file_names.is_a?(Array)
    file_names = [ file_names ]
  end
  
  file_names.each do |file_name|
    @@files[file_name][:file].close if @@files[file_name] && @@files[file_name][:file]
    @@files.delete(file_name)
  end
end

.exists?(file) ⇒ Boolean

Utilities

Returns:

  • (Boolean) 


17
18
19
 
# File 'lib/coral_core/util/disk.rb', line 17

def self.exists?(file)
  return File.exists?(File.expand_path(file))  
end

.filename(file_name) ⇒ Object 



23
24
25
 
# File 'lib/coral_core/util/disk.rb', line 23

def self.filename(file_name)
  return ( file_name.is_a?(Array) ? file_name.join(File::SEPARATOR) : file_name.to_s )
end

.log(data, options = {}) ⇒ Object 



79
80
81
82
83
84
85
86
87
 
# File 'lib/coral_core/util/disk.rb', line 79

def self.log(data, options = {})
  reset = ( options[:file_name] || options[:mode] )
  file  = open(( options[:file_name] ? options[:file_name] : 'log.txt' ), options, reset)    
  if file      
    file.write("--------------------------------------\n") if @@separator
    file.write("#{@@description}\n") if @@description       
    file.write("#{data}\n")
  end
end

.open(file_name, options = {}, reset = false) ⇒ Object 



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/coral_core/util/disk.rb', line 29

def self.open(file_name, options = {}, reset = false)
  mode          = options[:mode].to_s
  
  @@separator   = ( options[:separator] ? options[:separator] : false )
  @@description = ( options[:description] ? options[:description] : '' )
  
  if @@files.has_key?(file_name) && ! reset
    reset = true if ! mode.empty? && mode != @@files[file_name][:mode]
  end
  
  if ! @@files.has_key?(file_name) || ! @@files[file_name][:file] || reset
    @@files[file_name][:file].close if @@files[file_name] && @@files[file_name][:file]
    unless mode.empty? || ( mode == 'r' && ! File.exists?(file_name) )
      @@files[file_name] = {
        :file => File.open(file_name, mode),
        :mode => mode,
      }
    end
  end
  return nil unless @@files[file_name]
  return @@files[file_name][:file]
end

.read(file_name, options = {}) ⇒ Object 



54
55
56
57
58
59
60
61
62
63
 
# File 'lib/coral_core/util/disk.rb', line 54

def self.read(file_name, options = {})
  options[:mode] = ( options[:mode] ? options[:mode] : 'r' )
  file           = open(file_name, options)
  
  if file
    file.pos = 0 if options[:mode] == 'r'
    return file.read
  end
  return nil
end

.write(file_name, data, options = {}) ⇒ Object 



67
68
69
70
71
72
73
74
75
 
# File 'lib/coral_core/util/disk.rb', line 67

def self.write(file_name, data, options = {})
  options[:mode] = ( options[:mode] ? options[:mode] : 'w' )
  file           = open(file_name, options)
  
  if file
    return file.write(data)
  end
  return nil
end