4254520611

Build # 4254520611

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Commit Message

Merge pull request #21 from jnbt/update-ruby

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100.0

/lib/java-properties/parsing/normalizer.rb

module JavaProperties
  module Parsing
    # Module to normalize the content of a properties file
    # 
    # @example Normalizes:
    #   # Comment 1
    #   ! Comment 2
    #   item0
    #   item1 = item1 
    #   item2 : item2 
    #   item3=line 1 \
    #         line 2
    #
    # @example Into:
    #
    #   item0
    #   item1=item1 
    #   item2=item2 
    #   item3=line 1 line 2
    #
    module Normalizer

      # Describes a single normalization rule by replacing content
      class Rule
        # Initializes a new rules base on a matching regexp
        # and a replacement as substitution
        # @param matcher [Regexp]
        # @param replacement [String]
        def initialize(matcher, replacement = '')
          @matcher     = matcher
          @replacement = replacement
        end

        # Apply the substitution to the text in place
        # @param text [string]
        # @return [String]
        def apply!(text)
          text.gsub!(@matcher, @replacement)
        end
      end

      # Collection of ordered rules
      RULES = []

      # Removes comments
      RULES << Rule.new(/^\s*[!\#].*$/)
      
      # Removes leading whitepsace
      RULES << Rule.new(/^\s+/)
      
      # Removes tailing whitepsace
      RULES << Rule.new(/\s+$/)

      # Strings ending with \ are concatenated
      RULES << Rule.new(/\\\s*$[\n\r]+/)

      # Remove whitespace around delimiters and replace with =
      RULES << Rule.new(/^((?:(?:\\[=: \t])|[^=: \t])+)[ \t]*[=: \t][ \t]*/, '\1=')

      RULES.freeze

      # Normalizes the content of a properties file content by applying the RULES
      # @param text [String]
      # @return [String] 
      def self.normalize!(text)
        RULES.each do |rule|
          rule.apply!(text)
        end
        text
      end

    end
  end
end

1	module JavaProperties	7✔
2	module Parsing	7✔
3	# Module to normalize the content of a properties file
4	#
5	# @example Normalizes:
6	# # Comment 1
7	# ! Comment 2
8	# item0
9	# item1 = item1
10	# item2 : item2
11	# item3=line 1 \
12	# line 2
13	#
14	# @example Into:
15	#
16	# item0
17	# item1=item1
18	# item2=item2
19	# item3=line 1 line 2
20	#
21	module Normalizer	7✔
22
23	# Describes a single normalization rule by replacing content
24	class Rule	7✔
25	# Initializes a new rules base on a matching regexp
26	# and a replacement as substitution
27	# @param matcher [Regexp]
28	# @param replacement [String]
29	def initialize(matcher, replacement = '')	7✔
30	@matcher = matcher	35✔
31	@replacement = replacement	35✔
32	end
33
34	# Apply the substitution to the text in place
35	# @param text [string]
36	# @return [String]
37	def apply!(text)	7✔
38	text.gsub!(@matcher, @replacement)	175✔
39	end
40	end
41
42	# Collection of ordered rules
43	RULES = []	7✔
44
45	# Removes comments
46	RULES << Rule.new(/^\s[!\#].$/)	7✔
47
48	# Removes leading whitepsace
49	RULES << Rule.new(/^\s+/)	7✔
50
51	# Removes tailing whitepsace
52	RULES << Rule.new(/\s+$/)	7✔
53
54	# Strings ending with \ are concatenated
55	RULES << Rule.new(/\\\s*$[\n\r]+/)	7✔
56
57	# Remove whitespace around delimiters and replace with =
58	RULES << Rule.new(/^((?:(?:\\[=: \t])\|[^=: \t])+)[ \t][=: \t][ \t]/, '\1=')	7✔
59
60	RULES.freeze	7✔
61
62	# Normalizes the content of a properties file content by applying the RULES
63	# @param text [String]
64	# @return [String]
65	def self.normalize!(text)	7✔
66	RULES.each do \|rule\|	35✔
67	rule.apply!(text)	175✔
68	end
69	text	35✔
70	end
71
72	end
73	end
74	end

jnbt / java-properties / 4254520611

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