diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/number_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/number_helper.rb | 482 |
1 files changed, 206 insertions, 276 deletions
diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb index b0860f87c4..9720e90429 100644 --- a/actionpack/lib/action_view/helpers/number_helper.rb +++ b/actionpack/lib/action_view/helpers/number_helper.rb @@ -1,8 +1,8 @@ # encoding: utf-8 -require 'active_support/core_ext/big_decimal/conversions' -require 'active_support/core_ext/object/blank' +require 'active_support/core_ext/hash/keys' require 'active_support/core_ext/string/output_safety' +require 'active_support/number_helper' module ActionView # = Action View Number Helpers @@ -16,9 +16,6 @@ module ActionView # unchanged if can't be converted into a valid number. module NumberHelper - DEFAULT_CURRENCY_VALUES = { :format => "%u%n", :negative_format => "-%u%n", :unit => "$", :separator => ".", :delimiter => ",", - :precision => 2, :significant => false, :strip_insignificant_zeros => false } - # Raised when argument +number+ param given to the helpers is invalid and # the option :raise is set to +true+. class InvalidNumberError < StandardError @@ -28,17 +25,20 @@ module ActionView end end - # Formats a +number+ into a US phone number (e.g., (555) 123-9876). You can customize the format - # in the +options+ hash. + # Formats a +number+ into a US phone number (e.g., (555) + # 123-9876). You can customize the format in the +options+ hash. # # ==== Options # - # * <tt>:area_code</tt> - Adds parentheses around the area code. - # * <tt>:delimiter</tt> - Specifies the delimiter to use (defaults to "-"). - # * <tt>:extension</tt> - Specifies an extension to add to the end of the - # generated number. - # * <tt>:country_code</tt> - Sets the country code for the phone number. - # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when the argument is invalid. + # * <tt>:area_code</tt> - Adds parentheses around the area code. + # * <tt>:delimiter</tt> - Specifies the delimiter to use + # (defaults to "-"). + # * <tt>:extension</tt> - Specifies an extension to add to the + # end of the generated number. + # * <tt>:country_code</tt> - Sets the country code for the phone + # number. + # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when + # the argument is invalid. # # ==== Examples # @@ -59,46 +59,35 @@ module ActionView return unless number options = options.symbolize_keys - parse_float(number, true) if options[:raise] - - number = number.to_s.strip - area_code = options[:area_code] - delimiter = options[:delimiter] || "-" - extension = options[:extension] - country_code = options[:country_code] - - if area_code - number.gsub!(/(\d{1,3})(\d{3})(\d{4}$)/,"(\\1) \\2#{delimiter}\\3") - else - number.gsub!(/(\d{0,3})(\d{3})(\d{4})$/,"\\1#{delimiter}\\2#{delimiter}\\3") - number.slice!(0, 1) if number.start_with?(delimiter) && !delimiter.blank? - end - - str = [] - str << "+#{country_code}#{delimiter}" unless country_code.blank? - str << number - str << " x #{extension}" unless extension.blank? - ERB::Util.html_escape(str.join) + parse_float(number, true) if options.delete(:raise) + ERB::Util.html_escape(ActiveSupport::NumberHelper.number_to_phone(number, options)) end - # Formats a +number+ into a currency string (e.g., $13.65). You can customize the format - # in the +options+ hash. + # Formats a +number+ into a currency string (e.g., $13.65). You + # can customize the format in the +options+ hash. # # ==== Options # - # * <tt>:locale</tt> - Sets the locale to be used for formatting (defaults to current locale). - # * <tt>:precision</tt> - Sets the level of precision (defaults to 2). - # * <tt>:unit</tt> - Sets the denomination of the currency (defaults to "$"). - # * <tt>:separator</tt> - Sets the separator between the units (defaults to "."). - # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults to ","). - # * <tt>:format</tt> - Sets the format for non-negative numbers (defaults to "%u%n"). - # Fields are <tt>%u</tt> for the currency, and <tt>%n</tt> - # for the number. - # * <tt>:negative_format</tt> - Sets the format for negative numbers (defaults to prepending - # an hyphen to the formatted number given by <tt>:format</tt>). - # Accepts the same fields than <tt>:format</tt>, except - # <tt>%n</tt> is here the absolute value of the number. - # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when the argument is invalid. + # * <tt>:locale</tt> - Sets the locale to be used for formatting + # (defaults to current locale). + # * <tt>:precision</tt> - Sets the level of precision (defaults + # to 2). + # * <tt>:unit</tt> - Sets the denomination of the currency + # (defaults to "$"). + # * <tt>:separator</tt> - Sets the separator between the units + # (defaults to "."). + # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults + # to ","). + # * <tt>:format</tt> - Sets the format for non-negative numbers + # (defaults to "%u%n"). Fields are <tt>%u</tt> for the + # currency, and <tt>%n</tt> for the number. + # * <tt>:negative_format</tt> - Sets the format for negative + # numbers (defaults to prepending an hyphen to the formatted + # number given by <tt>:format</tt>). Accepts the same fields + # than <tt>:format</tt>, except <tt>%n</tt> is here the + # absolute value of the number. + # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when + # the argument is invalid. # # ==== Examples # @@ -118,53 +107,36 @@ module ActionView # # => 1234567890,50 £ def number_to_currency(number, options = {}) return unless number - options = options.symbolize_keys - - currency = translations_for('currency', options[:locale]) - currency[:negative_format] ||= "-" + currency[:format] if currency[:format] + options = escape_unsafe_delimiters_and_separators(options.symbolize_keys) - defaults = DEFAULT_CURRENCY_VALUES.merge(defaults_translations(options[:locale])).merge!(currency) - defaults[:negative_format] = "-" + options[:format] if options[:format] - options = defaults.merge!(options) - - unit = options.delete(:unit) - format = options.delete(:format) - - if number.to_f < 0 - format = options.delete(:negative_format) - number = number.respond_to?("abs") ? number.abs : number.sub(/^-/, '') - end - - begin - value = number_with_precision(number, options.merge(:raise => true)) - format.gsub(/%n/, value).gsub(/%u/, unit).html_safe - rescue InvalidNumberError => e - if options[:raise] - raise - else - formatted_number = format.gsub(/%n/, e.number).gsub(/%u/, unit) - e.number.to_s.html_safe? ? formatted_number.html_safe : formatted_number - end - end + wrap_with_output_safety_handling(number, options.delete(:raise)) { + ActiveSupport::NumberHelper.number_to_currency(number, options) + } end - # Formats a +number+ as a percentage string (e.g., 65%). You can customize the format in the +options+ hash. + # Formats a +number+ as a percentage string (e.g., 65%). You can + # customize the format in the +options+ hash. # # ==== Options # - # * <tt>:locale</tt> - Sets the locale to be used for formatting (defaults to current - # locale). - # * <tt>:precision</tt> - Sets the precision of the number (defaults to 3). - # * <tt>:significant</tt> - If +true+, precision will be the # of significant_digits. If +false+, - # the # of fractional digits (defaults to +false+). - # * <tt>:separator</tt> - Sets the separator between the fractional and integer digits (defaults - # to "."). - # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults to ""). - # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes insignificant zeros after the decimal separator - # (defaults to +false+). - # * <tt>:format</tt> - Specifies the format of the percentage string - # The number field is <tt>%n</tt> (defaults to "%n%"). - # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when the argument is invalid. + # * <tt>:locale</tt> - Sets the locale to be used for formatting + # (defaults to current locale). + # * <tt>:precision</tt> - Sets the precision of the number + # (defaults to 3). + # * <tt>:significant</tt> - If +true+, precision will be the # + # of significant_digits. If +false+, the # of fractional + # digits (defaults to +false+). + # * <tt>:separator</tt> - Sets the separator between the + # fractional and integer digits (defaults to "."). + # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults + # to ""). + # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes + # insignificant zeros after the decimal separator (defaults to + # +false+). + # * <tt>:format</tt> - Specifies the format of the percentage + # string The number field is <tt>%n</tt> (defaults to "%n%"). + # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when + # the argument is invalid. # # ==== Examples # @@ -180,35 +152,27 @@ module ActionView # number_to_percentage("98a", :raise => true) # => InvalidNumberError def number_to_percentage(number, options = {}) return unless number - options = options.symbolize_keys - - defaults = format_translations('percentage', options[:locale]) - options = defaults.merge!(options) + options = escape_unsafe_delimiters_and_separators(options.symbolize_keys) - format = options[:format] || "%n%" - - begin - value = number_with_precision(number, options.merge(:raise => true)) - format.gsub(/%n/, value).html_safe - rescue InvalidNumberError => e - if options[:raise] - raise - else - formatted_number = format.gsub(/%n/, e.number) - e.number.to_s.html_safe? ? formatted_number.html_safe : formatted_number - end - end + wrap_with_output_safety_handling(number, options.delete(:raise)) { + ActiveSupport::NumberHelper.number_to_percentage(number, options) + } end - # Formats a +number+ with grouped thousands using +delimiter+ (e.g., 12,324). You can - # customize the format in the +options+ hash. + # Formats a +number+ with grouped thousands using +delimiter+ + # (e.g., 12,324). You can customize the format in the +options+ + # hash. # # ==== Options # - # * <tt>:locale</tt> - Sets the locale to be used for formatting (defaults to current locale). - # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults to ","). - # * <tt>:separator</tt> - Sets the separator between the fractional and integer digits (defaults to "."). - # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when the argument is invalid. + # * <tt>:locale</tt> - Sets the locale to be used for formatting + # (defaults to current locale). + # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults + # to ","). + # * <tt>:separator</tt> - Sets the separator between the + # fractional and integer digits (defaults to "."). + # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when + # the argument is invalid. # # ==== Examples # @@ -225,34 +189,39 @@ module ActionView # # number_with_delimiter("112a", :raise => true) # => raise InvalidNumberError def number_with_delimiter(number, options = {}) - options = options.symbolize_keys + options = escape_unsafe_delimiters_and_separators(options.symbolize_keys) - parse_float(number, options[:raise]) or return number - - options = defaults_translations(options[:locale]).merge(options) - - parts = number.to_s.to_str.split('.') - parts[0].gsub!(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{options[:delimiter]}") - parts.join(options[:separator]).html_safe + wrap_with_output_safety_handling(number, options.delete(:raise)) { + ActiveSupport::NumberHelper.number_to_delimited(number, options) + } end - # Formats a +number+ with the specified level of <tt>:precision</tt> (e.g., 112.32 has a precision - # of 2 if +:significant+ is +false+, and 5 if +:significant+ is +true+). + # Formats a +number+ with the specified level of + # <tt>:precision</tt> (e.g., 112.32 has a precision of 2 if + # +:significant+ is +false+, and 5 if +:significant+ is +true+). # You can customize the format in the +options+ hash. # # ==== Options - # * <tt>:locale</tt> - Sets the locale to be used for formatting (defaults to current locale). - # * <tt>:precision</tt> - Sets the precision of the number (defaults to 3). - # * <tt>:significant</tt> - If +true+, precision will be the # of significant_digits. If +false+, - # the # of fractional digits (defaults to +false+). - # * <tt>:separator</tt> - Sets the separator between the fractional and integer digits (defaults - # to "."). - # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults to ""). - # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes insignificant zeros after the decimal separator - # (defaults to +false+). - # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when the argument is invalid. + # + # * <tt>:locale</tt> - Sets the locale to be used for formatting + # (defaults to current locale). + # * <tt>:precision</tt> - Sets the precision of the number + # (defaults to 3). + # * <tt>:significant</tt> - If +true+, precision will be the # + # of significant_digits. If +false+, the # of fractional + # digits (defaults to +false+). + # * <tt>:separator</tt> - Sets the separator between the + # fractional and integer digits (defaults to "."). + # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults + # to ""). + # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes + # insignificant zeros after the decimal separator (defaults to + # +false+). + # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when + # the argument is invalid. # # ==== Examples + # # number_with_precision(111.2345) # => 111.235 # number_with_precision(111.2345, :precision => 2) # => 111.23 # number_with_precision(13, :precision => 5) # => 13.00000 @@ -269,58 +238,45 @@ module ActionView # number_with_precision(1111.2345, :precision => 2, :separator => ',', :delimiter => '.') # # => 1.111,23 def number_with_precision(number, options = {}) - options = options.symbolize_keys - - number = (parse_float(number, options[:raise]) or return number) - - defaults = format_translations('precision', options[:locale]) - options = defaults.merge!(options) - - precision = options.delete :precision - significant = options.delete :significant - strip_insignificant_zeros = options.delete :strip_insignificant_zeros + options = escape_unsafe_delimiters_and_separators(options.symbolize_keys) - if significant and precision > 0 - if number == 0 - digits, rounded_number = 1, 0 - else - digits = (Math.log10(number.abs) + 1).floor - rounded_number = (BigDecimal.new(number.to_s) / BigDecimal.new((10 ** (digits - precision)).to_f.to_s)).round.to_f * 10 ** (digits - precision) - digits = (Math.log10(rounded_number.abs) + 1).floor # After rounding, the number of digits may have changed - end - precision -= digits - precision = precision > 0 ? precision : 0 #don't let it be negative - else - rounded_number = BigDecimal.new(number.to_s).round(precision).to_f - end - formatted_number = number_with_delimiter("%01.#{precision}f" % rounded_number, options) - if strip_insignificant_zeros - escaped_separator = Regexp.escape(options[:separator]) - formatted_number.sub(/(#{escaped_separator})(\d*[1-9])?0+\z/, '\1\2').sub(/#{escaped_separator}\z/, '').html_safe - else - formatted_number - end + wrap_with_output_safety_handling(number, options.delete(:raise)) { + ActiveSupport::NumberHelper.number_to_rounded(number, options) + } end - STORAGE_UNITS = [:byte, :kb, :mb, :gb, :tb].freeze - # Formats the bytes in +number+ into a more understandable representation - # (e.g., giving it 1500 yields 1.5 KB). This method is useful for - # reporting file sizes to users. You can customize the - # format in the +options+ hash. + # Formats the bytes in +number+ into a more understandable + # representation (e.g., giving it 1500 yields 1.5 KB). This + # method is useful for reporting file sizes to users. You can + # customize the format in the +options+ hash. # - # See <tt>number_to_human</tt> if you want to pretty-print a generic number. + # See <tt>number_to_human</tt> if you want to pretty-print a + # generic number. # # ==== Options - # * <tt>:locale</tt> - Sets the locale to be used for formatting (defaults to current locale). - # * <tt>:precision</tt> - Sets the precision of the number (defaults to 3). - # * <tt>:significant</tt> - If +true+, precision will be the # of significant_digits. If +false+, the # of fractional digits (defaults to +true+) - # * <tt>:separator</tt> - Sets the separator between the fractional and integer digits (defaults to "."). - # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults to ""). - # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes insignificant zeros after the decimal separator (defaults to +true+) - # * <tt>:prefix</tt> - If +:si+ formats the number using the SI prefix (defaults to :binary) - # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when the argument is invalid. + # + # * <tt>:locale</tt> - Sets the locale to be used for formatting + # (defaults to current locale). + # * <tt>:precision</tt> - Sets the precision of the number + # (defaults to 3). + # * <tt>:significant</tt> - If +true+, precision will be the # + # of significant_digits. If +false+, the # of fractional + # digits (defaults to +true+) + # * <tt>:separator</tt> - Sets the separator between the + # fractional and integer digits (defaults to "."). + # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults + # to ""). + # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes + # insignificant zeros after the decimal separator (defaults to + # +true+) + # * <tt>:prefix</tt> - If +:si+ formats the number using the SI + # prefix (defaults to :binary) + # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when + # the argument is invalid. + # # ==== Examples + # # number_to_human_size(123) # => 123 Bytes # number_to_human_size(1234) # => 1.21 KB # number_to_human_size(12345) # => 12.1 KB @@ -331,72 +287,69 @@ module ActionView # number_to_human_size(483989, :precision => 2) # => 470 KB # number_to_human_size(1234567, :precision => 2, :separator => ',') # => 1,2 MB # - # Non-significant zeros after the fractional separator are stripped out by default (set - # <tt>:strip_insignificant_zeros</tt> to +false+ to change that): + # Non-significant zeros after the fractional separator are + # stripped out by default (set + # <tt>:strip_insignificant_zeros</tt> to +false+ to change + # that): # number_to_human_size(1234567890123, :precision => 5) # => "1.1229 TB" # number_to_human_size(524288000, :precision => 5) # => "500 MB" def number_to_human_size(number, options = {}) - options = options.symbolize_keys - - number = (parse_float(number, options[:raise]) or return number) - - defaults = format_translations('human', options[:locale]) - options = defaults.merge!(options) + options = escape_unsafe_delimiters_and_separators(options.symbolize_keys) - #for backwards compatibility with those that didn't add strip_insignificant_zeros to their locale files - options[:strip_insignificant_zeros] = true if not options.key?(:strip_insignificant_zeros) - - storage_units_format = I18n.translate(:'number.human.storage_units.format', :locale => options[:locale], :raise => true) - - base = options[:prefix] == :si ? 1000 : 1024 - - if number.to_i < base - unit = I18n.translate(:'number.human.storage_units.units.byte', :locale => options[:locale], :count => number.to_i, :raise => true) - storage_units_format.gsub(/%n/, number.to_i.to_s).gsub(/%u/, unit).html_safe - else - max_exp = STORAGE_UNITS.size - 1 - exponent = (Math.log(number) / Math.log(base)).to_i # Convert to base - exponent = max_exp if exponent > max_exp # we need this to avoid overflow for the highest unit - number /= base ** exponent - - unit_key = STORAGE_UNITS[exponent] - unit = I18n.translate(:"number.human.storage_units.units.#{unit_key}", :locale => options[:locale], :count => number, :raise => true) - - formatted_number = number_with_precision(number, options) - storage_units_format.gsub(/%n/, formatted_number).gsub(/%u/, unit).html_safe - end + wrap_with_output_safety_handling(number, options.delete(:raise)) { + ActiveSupport::NumberHelper.number_to_human_size(number, options) + } end - DECIMAL_UNITS = {0 => :unit, 1 => :ten, 2 => :hundred, 3 => :thousand, 6 => :million, 9 => :billion, 12 => :trillion, 15 => :quadrillion, - -1 => :deci, -2 => :centi, -3 => :mili, -6 => :micro, -9 => :nano, -12 => :pico, -15 => :femto}.freeze - - # Pretty prints (formats and approximates) a number in a way it is more readable by humans - # (eg.: 1200000000 becomes "1.2 Billion"). This is useful for numbers that - # can get very large (and too hard to read). + # Pretty prints (formats and approximates) a number in a way it + # is more readable by humans (eg.: 1200000000 becomes "1.2 + # Billion"). This is useful for numbers that can get very large + # (and too hard to read). # - # See <tt>number_to_human_size</tt> if you want to print a file size. + # See <tt>number_to_human_size</tt> if you want to print a file + # size. # - # You can also define you own unit-quantifier names if you want to use other decimal units - # (eg.: 1500 becomes "1.5 kilometers", 0.150 becomes "150 milliliters", etc). You may define - # a wide range of unit quantifiers, even fractional ones (centi, deci, mili, etc). + # You can also define you own unit-quantifier names if you want + # to use other decimal units (eg.: 1500 becomes "1.5 + # kilometers", 0.150 becomes "150 milliliters", etc). You may + # define a wide range of unit quantifiers, even fractional ones + # (centi, deci, mili, etc). # # ==== Options - # * <tt>:locale</tt> - Sets the locale to be used for formatting (defaults to current locale). - # * <tt>:precision</tt> - Sets the precision of the number (defaults to 3). - # * <tt>:significant</tt> - If +true+, precision will be the # of significant_digits. If +false+, the # of fractional digits (defaults to +true+) - # * <tt>:separator</tt> - Sets the separator between the fractional and integer digits (defaults to "."). - # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults to ""). - # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes insignificant zeros after the decimal separator (defaults to +true+) - # * <tt>:units</tt> - A Hash of unit quantifier names. Or a string containing an i18n scope where to find this hash. It might have the following keys: - # * *integers*: <tt>:unit</tt>, <tt>:ten</tt>, <tt>:hundred</tt>, <tt>:thousand</tt>, <tt>:million</tt>, <tt>:billion</tt>, <tt>:trillion</tt>, <tt>:quadrillion</tt> - # * *fractionals*: <tt>:deci</tt>, <tt>:centi</tt>, <tt>:mili</tt>, <tt>:micro</tt>, <tt>:nano</tt>, <tt>:pico</tt>, <tt>:femto</tt> - # * <tt>:format</tt> - Sets the format of the output string (defaults to "%n %u"). The field types are: - # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when the argument is invalid. - # - # %u The quantifier (ex.: 'thousand') - # %n The number + # + # * <tt>:locale</tt> - Sets the locale to be used for formatting + # (defaults to current locale). + # * <tt>:precision</tt> - Sets the precision of the number + # (defaults to 3). + # * <tt>:significant</tt> - If +true+, precision will be the # + # of significant_digits. If +false+, the # of fractional + # digits (defaults to +true+) + # * <tt>:separator</tt> - Sets the separator between the + # fractional and integer digits (defaults to "."). + # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults + # to ""). + # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes + # insignificant zeros after the decimal separator (defaults to + # +true+) + # * <tt>:units</tt> - A Hash of unit quantifier names. Or a + # string containing an i18n scope where to find this hash. It + # might have the following keys: + # * *integers*: <tt>:unit</tt>, <tt>:ten</tt>, + # *<tt>:hundred</tt>, <tt>:thousand</tt>, <tt>:million</tt>, + # *<tt>:billion</tt>, <tt>:trillion</tt>, + # *<tt>:quadrillion</tt> + # * *fractionals*: <tt>:deci</tt>, <tt>:centi</tt>, + # *<tt>:mili</tt>, <tt>:micro</tt>, <tt>:nano</tt>, + # *<tt>:pico</tt>, <tt>:femto</tt> + # * <tt>:format</tt> - Sets the format of the output string + # (defaults to "%n %u"). The field types are: + # * %u - The quantifier (ex.: 'thousand') + # * %n - The number + # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when + # the argument is invalid. # # ==== Examples + # # number_to_human(123) # => "123" # number_to_human(1234) # => "1.23 Thousand" # number_to_human(12345) # => "12.3 Thousand" @@ -413,8 +366,9 @@ module ActionView # :separator => ',', # :significant => false) # => "1,2 Million" # - # Unsignificant zeros after the decimal separator are stripped out by default (set - # <tt>:strip_insignificant_zeros</tt> to +false+ to change that): + # Non-significant zeros after the decimal separator are stripped + # out by default (set <tt>:strip_insignificant_zeros</tt> to + # +false+ to change that): # number_to_human(12345012345, :significant_digits => 6) # => "12.345 Billion" # number_to_human(500000000, :precision => 5) # => "500 Million" # @@ -446,60 +400,36 @@ module ActionView # number_to_human(0.34, :units => :distance) # => "34 centimeters" # def number_to_human(number, options = {}) - options = options.symbolize_keys - - number = (parse_float(number, options[:raise]) or return number) + options = escape_unsafe_delimiters_and_separators(options.symbolize_keys) - defaults = format_translations('human', options[:locale]) - options = defaults.merge!(options) + wrap_with_output_safety_handling(number, options.delete(:raise)) { + ActiveSupport::NumberHelper.number_to_human(number, options) + } + end - #for backwards compatibility with those that didn't add strip_insignificant_zeros to their locale files - options[:strip_insignificant_zeros] = true if not options.key?(:strip_insignificant_zeros) + private - inverted_du = DECIMAL_UNITS.invert + def escape_unsafe_delimiters_and_separators(options) + options[:separator] = ERB::Util.html_escape(options[:separator]) if options[:separator] && !options[:separator].html_safe? + options[:delimiter] = ERB::Util.html_escape(options[:delimiter]) if options[:delimiter] && !options[:delimiter].html_safe? + options + end - units = options.delete :units - unit_exponents = case units - when Hash - units - when String, Symbol - I18n.translate(:"#{units}", :locale => options[:locale], :raise => true) - when nil - I18n.translate(:"number.human.decimal_units.units", :locale => options[:locale], :raise => true) - else - raise ArgumentError, ":units must be a Hash or String translation scope." - end.keys.map{|e_name| inverted_du[e_name] }.sort_by{|e| -e} + def wrap_with_output_safety_handling(number, raise_on_invalid, &block) + valid_float = valid_float?(number) + raise InvalidNumberError, number if raise_on_invalid && !valid_float - number_exponent = number != 0 ? Math.log10(number.abs).floor : 0 - display_exponent = unit_exponents.find{ |e| number_exponent >= e } || 0 - number /= 10 ** display_exponent + formatted_number = yield - unit = case units - when Hash - units[DECIMAL_UNITS[display_exponent]] - when String, Symbol - I18n.translate(:"#{units}.#{DECIMAL_UNITS[display_exponent]}", :locale => options[:locale], :count => number.to_i) + if valid_float || number.html_safe? + formatted_number.html_safe else - I18n.translate(:"number.human.decimal_units.units.#{DECIMAL_UNITS[display_exponent]}", :locale => options[:locale], :count => number.to_i) + formatted_number end - - decimal_format = options[:format] || I18n.translate(:'number.human.decimal_units.format', :locale => options[:locale], :default => "%n %u") - formatted_number = number_with_precision(number, options) - decimal_format.gsub(/%n/, formatted_number).gsub(/%u/, unit).strip.html_safe - end - - private - - def format_translations(namespace, locale) - defaults_translations(locale).merge(translations_for(namespace, locale)) - end - - def defaults_translations(locale) - I18n.translate(:'number.format', :locale => locale, :default => {}) end - def translations_for(namespace, locale) - I18n.translate(:"number.#{namespace}.format", :locale => locale, :default => {}) + def valid_float?(number) + !parse_float(number, false).nil? end def parse_float(number, raise_error) |