indexing
	description: "Class that can format a currency value according to the rules in a CURRENCY_INFO"
	author: "ES-i18n team (es-i18n@origo.ethz.ch)"
	license: "Eiffel Forum License v2 (see forum.txt)"
	date: "$Date$"
	revision: "$Revision$"

class
	I18N_CURRENCY_FORMATTER

create
	make

feature  -- Initialization

	make (a_currency_info: I18N_CURRENCY_INFO) is
			-- Initialization
		require
			a_currency_info_exists: a_currency_info /= Void
		do
			currency_symbol_location := a_currency_info.currency_symbol_location
			currency_symbol := a_currency_info.currency_symbol
			create currency_value_formatter.make_from_currency_info (a_currency_info)
		end

feature -- Utility

	format_currency (a_value: REAL_64): STRING_32 is
			-- format a_value according the `format_string'
			--if unknoen location, result done with Prefix rules
		do
			if currency_symbol_location= {I18N_CURRENCY_INFO}.currency_symbol_prefixed then
				create Result.make_from_string (currency_symbol+" "+
												  currency_value_formatter.format_real_64 (a_value))
			elseif currency_symbol_location= {I18N_CURRENCY_INFO}.currency_symbol_appended then
				create Result.make_from_string (currency_value_formatter.format_real_64 (a_value)
												+" "+currency_symbol)
			elseif currency_symbol_location= {I18N_CURRENCY_INFO}.currency_symbol_radix then
				create Result.make_from_string (currency_value_formatter.format_real_64 (a_value))
			else
				-- default: prefixed
				create Result.make_from_string (currency_symbol+" "+
												  currency_value_formatter.format_real_64 (a_value))
			end
		ensure
			result_exists: Result /= Void
		end


feature {NONE} -- Implementation

	currency_symbol: STRING_32
		-- the currency symbol
	currency_symbol_location: INTEGER
		-- location of currency_symbol

	currency_value_formatter: I18N_CURRENCY_VALUE_FORMATTER

invariant

	currency_symbol_exist: currency_symbol /= Void
	currency_value_formatter_exists: currency_value_formatter /= Void

end