Class: Fones::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/fones/config.rb

Overview

Reads/Writes a configuration file in the user’s home directory

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Config

Returns a new instance of Config.



12
13
14
15
16
17
18
19
20
 
# File 'lib/fones/config.rb', line 12

def initialize()
  @config = {
    :theme => {
      :author     => nil,
      :author_url => nil,
    },
    :links => []
  }
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



10
11
12
 
# File 'lib/fones/config.rb', line 10

def config
  @config
end

Instance Method Details

#[](var) ⇒ Object

Provides access to the config using the Hash square brackets



23
24
25
 
# File 'lib/fones/config.rb', line 23

def [](var)
  @config[var]
end

#[]=(var, value) ⇒ Object

Allows modifying variables through hash square brackets



28
29
30
 
# File 'lib/fones/config.rb', line 28

def []=(var, value)
  @config[var] = value
end

#config_file ⇒ Object

Returns the path to the user’s configuration file



33
34
35
 
# File 'lib/fones/config.rb', line 33

def config_file
  @config_file ||= File.expand_path(File.join('~', '.fones', 'config.yml'))
end

#read ⇒ Object

Loads config declarations in user’s home dir

If file does not exist then it will be created



55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/fones/config.rb', line 55

def read
  return write unless File.exists?(self.config_file) 

  # data = File.open(self.config_file).read

  @config = YAML::load_file(self.config_file) unless self.config_file.empty?

  # @config = data.empty? ? {} : JSON.parse(data)
  # @config = data.empty? ? {} : YAML::parse(data)

  self
end

#write(options = {}) ⇒ Object

Writes the configuration file



38
39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/fones/config.rb', line 38

def write(options={})

  # If we're unit testing then it helps to use a
  # StringIO object instead of a file buffer
  io = options[:io] || File.open(self.config_file, 'w')

  # io.write JSON.generate(@config)
  io.write @config.to_yaml

  io.close

  self
end