applies new string literal convention in activesupport/lib

The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.

2 files changed, 19 insertions, 19 deletions

diff --git a/activesupport/lib/active_support/multibyte/chars.rb b/activesupport/lib/active_support/multibyte/chars.rb
index 83db68a66f..d6b5f253b2 100644
--- a/activesupport/lib/active_support/multibyte/chars.rb
+++ b/activesupport/lib/active_support/multibyte/chars.rb
@@ -1,8 +1,8 @@
-require 'active_support/json'
-require 'active_support/core_ext/string/access'
-require 'active_support/core_ext/string/behavior'
-require 'active_support/core_ext/module/delegation'
-require 'active_support/core_ext/regexp'
+require "active_support/json"
+require "active_support/core_ext/string/access"
+require "active_support/core_ext/string/behavior"
+require "active_support/core_ext/module/delegation"
+require "active_support/core_ext/regexp"
 
 module ActiveSupport #:nodoc:
   module Multibyte #:nodoc:
@@ -106,7 +106,7 @@ module ActiveSupport #:nodoc:
       #
       #   'Café'.mb_chars.reverse.to_s # => 'éfaC'
       def reverse
-        chars(Unicode.unpack_graphemes(@wrapped_string).reverse.flatten.pack('U*'))
+        chars(Unicode.unpack_graphemes(@wrapped_string).reverse.flatten.pack("U*"))
       end
 
       # Limits the byte size of the string to a number of bytes without breaking
@@ -143,7 +143,7 @@ module ActiveSupport #:nodoc:
       #
       #  'über'.mb_chars.capitalize.to_s # => "Über"
       def capitalize
-        (slice(0) || chars('')).upcase + (slice(1..-1) || chars('')).downcase
+        (slice(0) || chars("")).upcase + (slice(1..-1) || chars("")).downcase
       end
 
       # Capitalizes the first letter of every word, when possible.
@@ -171,7 +171,7 @@ module ActiveSupport #:nodoc:
       #   'é'.length                         # => 2
       #   'é'.mb_chars.decompose.to_s.length # => 3
       def decompose
-        chars(Unicode.decompose(:canonical, @wrapped_string.codepoints.to_a).pack('U*'))
+        chars(Unicode.decompose(:canonical, @wrapped_string.codepoints.to_a).pack("U*"))
       end
 
       # Performs composition on all the characters.
@@ -179,7 +179,7 @@ module ActiveSupport #:nodoc:
       #   'é'.length                       # => 3
       #   'é'.mb_chars.compose.to_s.length # => 2
       def compose
-        chars(Unicode.compose(@wrapped_string.codepoints.to_a).pack('U*'))
+        chars(Unicode.compose(@wrapped_string.codepoints.to_a).pack("U*"))
       end
 
       # Returns the number of grapheme clusters in the string.
@@ -214,10 +214,10 @@ module ActiveSupport #:nodoc:
 
         def translate_offset(byte_offset) #:nodoc:
           return nil if byte_offset.nil?
-          return 0   if @wrapped_string == ''
+          return 0   if @wrapped_string == ""
 
           begin
-            @wrapped_string.byteslice(0...byte_offset).unpack('U*').length
+            @wrapped_string.byteslice(0...byte_offset).unpack("U*").length
           rescue ArgumentError
             byte_offset -= 1
             retry
diff --git a/activesupport/lib/active_support/multibyte/unicode.rb b/activesupport/lib/active_support/multibyte/unicode.rb
index 72b20fff06..86f80a97e5 100644
--- a/activesupport/lib/active_support/multibyte/unicode.rb
+++ b/activesupport/lib/active_support/multibyte/unicode.rb
@@ -10,7 +10,7 @@ module ActiveSupport
       NORMALIZATION_FORMS = [:c, :kc, :d, :kd]
 
       # The Unicode version that is supported by the implementation
-      UNICODE_VERSION = '8.0.0'
+      UNICODE_VERSION = "8.0.0"
 
       # The default normalization used for operations that require
       # normalization. It can be set to any of the normalizations
@@ -57,7 +57,7 @@ module ActiveSupport
       # Returns a regular expression pattern that matches the passed Unicode
       # codepoints.
       def self.codepoints_to_pattern(array_of_codepoints) #:nodoc:
-        array_of_codepoints.collect{ |e| [e].pack 'U*'.freeze }.join('|'.freeze)
+        array_of_codepoints.collect{ |e| [e].pack "U*".freeze }.join("|".freeze)
       end
       TRAILERS_PAT = /(#{codepoints_to_pattern(LEADERS_AND_TRAILERS)})+\Z/u
       LEADERS_PAT = /\A(#{codepoints_to_pattern(LEADERS_AND_TRAILERS)})+/u
@@ -136,7 +136,7 @@ module ActiveSupport
       #
       #   Unicode.pack_graphemes(Unicode.unpack_graphemes('क्षि')) # => 'क्षि'
       def pack_graphemes(unpacked)
-        unpacked.flatten.pack('U*')
+        unpacked.flatten.pack("U*")
       end
 
       # Re-order codepoints so the string becomes canonical.
@@ -259,7 +259,7 @@ module ActiveSupport
           reader = Encoding::Converter.new(Encoding::UTF_8, Encoding::UTF_16LE)
 
           source = string.dup
-          out = ''.force_encoding(Encoding::UTF_16LE)
+          out = "".force_encoding(Encoding::UTF_16LE)
 
           loop do
             reader.primitive_convert(source, out)
@@ -297,7 +297,7 @@ module ActiveSupport
             compose(reorder_characters(decompose(:compatibility, codepoints)))
           else
             raise ArgumentError, "#{form} is not a valid normalization variant", caller
-        end.pack('U*'.freeze)
+        end.pack("U*".freeze)
       end
 
       def downcase(string)
@@ -356,7 +356,7 @@ module ActiveSupport
         # UnicodeDatabase.
         def load
           begin
-            @codepoints, @composition_exclusion, @composition_map, @boundary, @cp1252 = File.open(self.class.filename, 'rb') { |f| Marshal.load f.read }
+            @codepoints, @composition_exclusion, @composition_map, @boundary, @cp1252 = File.open(self.class.filename, "rb") { |f| Marshal.load f.read }
           rescue => e
             raise IOError.new("Couldn't load the Unicode tables for UTF8Handler (#{e.message}), ActiveSupport::Multibyte is unusable")
           end
@@ -378,7 +378,7 @@ module ActiveSupport
 
         # Returns the directory in which the data files are stored.
         def self.dirname
-          File.dirname(__FILE__) + '/../values/'
+          File.dirname(__FILE__) + "/../values/"
         end
 
         # Returns the filename for the data file for this version.
@@ -398,7 +398,7 @@ module ActiveSupport
           else
             codepoint
           end
-        end.pack('U*')
+        end.pack("U*")
       end
 
       def recode_windows1252_chars(string)