Class: TwitterCldr::Transforms::ConversionRuleSet

Inherits:
Object
  • Object
show all
Defined in:
lib/twitter_cldr/transforms/conversion_rule_set.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filter_rule, inverse_filter_rule, rules) ⇒ ConversionRuleSet

Returns a new instance of ConversionRuleSet.



16
17
18
19
20
21
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 16

def initialize(filter_rule, inverse_filter_rule, rules)
  @rules = rules
  @filter_rule = filter_rule
  @inverse_filter_rule = inverse_filter_rule
  @rule_index = build_rule_index(rules)
end

Instance Attribute Details

#filter_rule ⇒ Object (readonly)

Returns the value of attribute filter_rule.



13
14
15
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 13

def filter_rule
  @filter_rule
end

#inverse_filter_rule ⇒ Object (readonly)

Returns the value of attribute inverse_filter_rule.



13
14
15
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 13

def inverse_filter_rule
  @inverse_filter_rule
end

#rule_index ⇒ Object (readonly)

Returns the value of attribute rule_index.



14
15
16
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 14

def rule_index
  @rule_index
end

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



14
15
16
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 14

def rules
  @rules
end

Instance Method Details

#apply_to(cursor) ⇒ Object 



53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 53

def apply_to(cursor)
  until cursor.eos?
    if filter_rule.matches?(cursor)
      rule_match = find_matching_rule_at(cursor)

      if rule_match
        start = rule_match.start
        stop = rule_match.stop
        replacement = rule_match.replacement
        puts "#{cursor.text[start...stop]} -> #{replacement}" if $debug
        cursor.text[start...stop] = replacement

        cursor.advance(
          replacement.size + rule_match.cursor_offset
        )
      else
        cursor.advance
      end
    else
      cursor.advance
    end
  end
end

#backward? ⇒ Boolean

Returns:

  • (Boolean) 


27
28
29
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 27

def backward?
  false
end

#forward? ⇒ Boolean

Returns:

  • (Boolean) 


23
24
25
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 23

def forward?
  true
end

#invert ⇒ Object 



47
48
49
50
51
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 47

def invert
  ConversionRuleSet.new(
    inverse_filter_rule, filter_rule, inverted_rules
  )
end

#is_conversion_rule? ⇒ Boolean

Returns:

  • (Boolean) 


39
40
41
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 39

def is_conversion_rule?
  false
end

#is_conversion_rule_set? ⇒ Boolean

Returns:

  • (Boolean) 


43
44
45
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 43

def is_conversion_rule_set?
  true
end

#is_filter_rule? ⇒ Boolean

Returns:

  • (Boolean) 


31
32
33
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 31

def is_filter_rule?
  false
end

#is_transform_rule? ⇒ Boolean

Returns:

  • (Boolean) 


35
36
37
 
# File 'lib/twitter_cldr/transforms/conversion_rule_set.rb', line 35

def is_transform_rule?
  false
end