diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/numeric/conversions.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/numeric/conversions.rb | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/numeric/conversions.rb b/activesupport/lib/active_support/core_ext/numeric/conversions.rb new file mode 100644 index 0000000000..2666387623 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/numeric/conversions.rb @@ -0,0 +1,135 @@ +require 'active_support/core_ext/big_decimal/conversions' +require 'active_support/number_helper' + +class Numeric + + # Provides options for converting numbers into formatted strings. + # Options are provided for phone numbers, currency, percentage, + # precision, positional notation, file size and pretty printing. + # + # ==== Options + # + # For details on which formats use which options, see ActiveSupport::NumberHelper + # + # ==== Examples + # + # Phone Numbers: + # 5551234.to_s(:phone) # => 555-1234 + # 1235551234.to_s(:phone) # => 123-555-1234 + # 1235551234.to_s(:phone, :area_code => true) # => (123) 555-1234 + # 1235551234.to_s(:phone, :delimiter => " ") # => 123 555 1234 + # 1235551234.to_s(:phone, :area_code => true, :extension => 555) # => (123) 555-1234 x 555 + # 1235551234.to_s(:phone, :country_code => 1) # => +1-123-555-1234 + # 1235551234.to_s(:phone, :country_code => 1, :extension => 1343, :delimiter => ".") + # # => +1.123.555.1234 x 1343 + # + # Currency: + # 1234567890.50.to_s(:currency) # => $1,234,567,890.50 + # 1234567890.506.to_s(:currency) # => $1,234,567,890.51 + # 1234567890.506.to_s(:currency, :precision => 3) # => $1,234,567,890.506 + # 1234567890.506.to_s(:currency, :locale => :fr) # => 1 234 567 890,51 € + # -1234567890.50.to_s(:currency, :negative_format => "(%u%n)") + # # => ($1,234,567,890.50) + # 1234567890.50.to_s(:currency, :unit => "£", :separator => ",", :delimiter => "") + # # => £1234567890,50 + # 1234567890.50.to_s(:currency, :unit => "£", :separator => ",", :delimiter => "", :format => "%n %u") + # # => 1234567890,50 £ + # + # Percentage: + # 100.to_s(:percentage) # => 100.000% + # 100.to_s(:percentage, :precision => 0) # => 100% + # 1000.to_s(:percentage, :delimiter => '.', :separator => ',') # => 1.000,000% + # 302.24398923423.to_s(:percentage, :precision => 5) # => 302.24399% + # 1000.to_s(:percentage, :locale => :fr) # => 1 000,000% + # 100.to_s(:percentage, :format => "%n %") # => 100 % + # + # Delimited: + # 12345678.to_s(:delimited) # => 12,345,678 + # 12345678.05.to_s(:delimited) # => 12,345,678.05 + # 12345678.to_s(:delimited, :delimiter => ".") # => 12.345.678 + # 12345678.to_s(:delimited, :delimiter => ",") # => 12,345,678 + # 12345678.05.to_s(:delimited, :separator => " ") # => 12,345,678 05 + # 12345678.05.to_s(:delimited, :locale => :fr) # => 12 345 678,05 + # 98765432.98.to_s(:delimited, :delimiter => " ", :separator => ",") + # # => 98 765 432,98 + # + # Rounded: + # 111.2345.to_s(:rounded) # => 111.235 + # 111.2345.to_s(:rounded, :precision => 2) # => 111.23 + # 13.to_s(:rounded, :precision => 5) # => 13.00000 + # 389.32314.to_s(:rounded, :precision => 0) # => 389 + # 111.2345.to_s(:rounded, :significant => true) # => 111 + # 111.2345.to_s(:rounded, :precision => 1, :significant => true) # => 100 + # 13.to_s(:rounded, :precision => 5, :significant => true) # => 13.000 + # 111.234.to_s(:rounded, :locale => :fr) # => 111,234 + # 13.to_s(:rounded, :precision => 5, :significant => true, :strip_insignificant_zeros => true) + # # => 13 + # 389.32314.to_s(:rounded, :precision => 4, :significant => true) # => 389.3 + # 1111.2345.to_s(:rounded, :precision => 2, :separator => ',', :delimiter => '.') + # # => 1.111,23 + # + # Human-friendly size in Bytes: + # 123.to_s(:human_size) # => 123 Bytes + # 1234.to_s(:human_size) # => 1.21 KB + # 12345.to_s(:human_size) # => 12.1 KB + # 1234567.to_s(:human_size) # => 1.18 MB + # 1234567890.to_s(:human_size) # => 1.15 GB + # 1234567890123.to_s(:human_size) # => 1.12 TB + # 1234567.to_s(:human_size, :precision => 2) # => 1.2 MB + # 483989.to_s(:human_size, :precision => 2) # => 470 KB + # 1234567.to_s(:human_size, :precision => 2, :separator => ',') # => 1,2 MB + # 1234567890123.to_s(:human_size, :precision => 5) # => "1.1229 TB" + # 524288000.to_s(:human_size, :precision => 5) # => "500 MB" + # + # Human-friendly format: + # 123.to_s(:human) # => "123" + # 1234.to_s(:human) # => "1.23 Thousand" + # 12345.to_s(:human) # => "12.3 Thousand" + # 1234567.to_s(:human) # => "1.23 Million" + # 1234567890.to_s(:human) # => "1.23 Billion" + # 1234567890123.to_s(:human) # => "1.23 Trillion" + # 1234567890123456.to_s(:human) # => "1.23 Quadrillion" + # 1234567890123456789.to_s(:human) # => "1230 Quadrillion" + # 489939.to_s(:human, :precision => 2) # => "490 Thousand" + # 489939.to_s(:human, :precision => 4) # => "489.9 Thousand" + # 1234567.to_s(:human, :precision => 4, + # :significant => false) # => "1.2346 Million" + # 1234567.to_s(:human, :precision => 1, + # :separator => ',', + # :significant => false) # => "1,2 Million" + def to_formatted_s(format = :default, options = {}) + case format + when :phone + return ActiveSupport::NumberHelper.number_to_phone(self, options) + when :currency + return ActiveSupport::NumberHelper.number_to_currency(self, options) + when :percentage + return ActiveSupport::NumberHelper.number_to_percentage(self, options) + when :delimited + return ActiveSupport::NumberHelper.number_to_delimited(self, options) + when :rounded + return ActiveSupport::NumberHelper.number_to_rounded(self, options) + when :human + return ActiveSupport::NumberHelper.number_to_human(self, options) + when :human_size + return ActiveSupport::NumberHelper.number_to_human_size(self, options) + else + self.to_default_s + end + end + + [Float, Fixnum, Bignum, BigDecimal].each do |klass| + klass.send(:alias_method, :to_default_s, :to_s) + + klass.send(:define_method, :to_s) do |*args| + if args[0].is_a?(Symbol) + format = args[0] + options = args[1] || {} + + self.to_formatted_s(format, options) + else + to_default_s(*args) + end + end + end +end
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