Exception: Currency::Exception::Base
- Defined in:
- lib/currency/exception.rb
Overview
Base class for all Currency::Exception objects.
raise Currency::Exception [ "msg", :opt1, 1, :opt2, 2 ]
Direct Known Subclasses
Generic, IncompatibleCurrency, InvalidCurrencyCode, InvalidMoneyString, InvalidMoneyValue, InvalidRate, InvalidReentrancy, MissingCurrency, RateSourceError, SubclassResponsibility, UnavailableRates, UndefinedExchange, Unimplemented, UnknownCurrency, UnknownRate, Currency::Exchange::Rate::Source::Historical::Writer::Error
Constant Summary collapse
- EMPTY_HASH =
{ }.freeze
Instance Method Summary collapse
-
#initialize(arg1, *args) ⇒ Base
constructor
A new instance of Base.
- #method_missing(sel, *args, &blk) ⇒ Object
- #to_s ⇒ Object
Constructor Details
#initialize(arg1, *args) ⇒ Base
Returns a new instance of Base.
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# File 'lib/currency/exception.rb', line 12 def initialize(arg1, *args) case arg1 # [ description, ... ] when Array @opts = arg1 arg1 = arg1.shift else @opts = nil end case @opts when Array if @opts.size == 1 && @opts.first.kind_of?(Hash) # [ description, { ... } ] @opts = @opts.first else # [ description, :key, value, ... ] @opts = Hash[*@opts] end end case @opts when Hash @opts = @opts.dup.freeze else @opts = { :info => @opts }.freeze end @opts ||= EMPTY_HASH super(arg1, *args) end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(sel, *args, &blk) ⇒ Object
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# File 'lib/currency/exception.rb', line 46 def method_missing(sel, *args, &blk) sel = sel.to_sym if args.empty? && ! block_given? && @opts.key?(sel) return @opts[sel] end super end |
Instance Method Details
#to_s ⇒ Object
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# File 'lib/currency/exception.rb', line 54 def to_s super + ": #{@opts.inspect}" end |