Class: Externals::Configuration::Section

Inherits:
Object
  • Object
show all
Defined in:
lib/externals/configuration/configuration.rb

Constant Summary collapse

SETTING_REGEX = 
/^\s*([\.\w-]+)\s*=\s*([^#\n]*)(?:#[^\n]*)?$/
SET_SETTING_REGEX = 
/^(\s*(?:[\.\w-]+)\s*=\s*)(?:[^#\n]*)(#[^\n]*)?$/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(title_string, body_string) ⇒ Section

Returns a new instance of Section.



10
11
12
13
14
15
16
17
18
19
 
# File 'lib/externals/configuration/configuration.rb', line 10

def initialize title_string, body_string
  self.title_string = title_string
  self.body_string = body_string

  self.title = SECTION_TITLE_REGEX.match(title_string)[1]

  raise "Invalid section title: #{title_string}" unless title

  self.rows = body_string.strip.split(/\n/)
end

Instance Attribute Details

#body_string ⇒ Object

Returns the value of attribute body_string.



8
9
10
 
# File 'lib/externals/configuration/configuration.rb', line 8

def body_string
  @body_string
end

#rows ⇒ Object

Returns the value of attribute rows.



8
9
10
 
# File 'lib/externals/configuration/configuration.rb', line 8

def rows
  @rows
end

#title ⇒ Object

Returns the value of attribute title.



8
9
10
 
# File 'lib/externals/configuration/configuration.rb', line 8

def title
  @title
end

#title_string ⇒ Object

Returns the value of attribute title_string.



8
9
10
 
# File 'lib/externals/configuration/configuration.rb', line 8

def title_string
  @title_string
end

Instance Method Details

#[](key) ⇒ Object 



86
87
88
 
# File 'lib/externals/configuration/configuration.rb', line 86

def [] key
  setting(key)
end

#[]=(key, value) ⇒ Object 



89
90
91
 
# File 'lib/externals/configuration/configuration.rb', line 89

def []= key, value
  set_setting(key, value)
end

#add_row(row) ⇒ Object 



93
94
95
96
97
98
 
# File 'lib/externals/configuration/configuration.rb', line 93

def add_row(row)
  rows << row

  self.body_string = body_string.chomp + "\n#{row}\n"
  #clear_caches
end

#attributes ⇒ Object 



25
26
27
28
29
30
31
32
33
 
# File 'lib/externals/configuration/configuration.rb', line 25

def attributes
  retval = {}
  rows.each do |row|
    if row =~ SETTING_REGEX
      retval[$1.strip] = $2.strip
    end
  end
  retval
end

#rm_setting(key) ⇒ Object 



64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/externals/configuration/configuration.rb', line 64

def rm_setting key
  key = key.to_s
  found = nil
  value = nil

  rows.each_with_index do |row, index|
    if row =~ SETTING_REGEX && key == $1
      raise "found #{key} twice!" if found
      found = index
    end
  end

  if found
    value = self[key]
    if rows[found] !~ SET_SETTING_REGEX
      raise "thought I found the row, but didn't"
    end
    rows.delete rows[found]
  end
  value
end

#set_setting(key, value) ⇒ Object 



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

def set_setting key, value
  key = key.to_s
  found = nil

  rows.each_with_index do |row, index|
    if row =~ SETTING_REGEX && key == $1
      raise "found #{key} twice!" if found
      found = index
    end
  end

  if found
    if rows[found] !~ SET_SETTING_REGEX
      raise "thought I found the row, but didn't"
    end
    rows[found] = "#{$1}#{value}#{$2}"
  else
    rows << "#{key} = #{value}"
  end
  value
end

#setting(key) ⇒ Object 



34
35
36
37
38
39
40
41
 
# File 'lib/externals/configuration/configuration.rb', line 34

def setting key
  rows.each do |row|
    if row =~ SETTING_REGEX && key.to_s == $1
      return $2.strip
    end
  end
  nil
end

#to_s ⇒ Object 



100
101
102
 
# File 'lib/externals/configuration/configuration.rb', line 100

def to_s
  "[#{title}]\n#{rows.join("\n")}"
end