Class: HashStruct
- Inherits:
-
Hash
- Object
- Hash
- HashStruct
- Defined in:
- lib/hashstruct.rb
Instance Method Summary collapse
- #[](key) ⇒ Object
- #[]=(key, value) ⇒ Object
- #_convert_object(obj) ⇒ Object
- #_make_key(obj) ⇒ Object
-
#initialize(args = {}) ⇒ HashStruct
constructor
A new instance of HashStruct.
- #method_missing(method_id, *args) ⇒ Object
Constructor Details
#initialize(args = {}) ⇒ HashStruct
Returns a new instance of HashStruct.
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# File 'lib/hashstruct.rb', line 6 def initialize(args={}) super() args.each { |key, value| self[key] = value } end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(method_id, *args) ⇒ Object
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# File 'lib/hashstruct.rb', line 20 def method_missing(method_id, *args) method_name = method_id.to_s if method_name =~ /=$/ raise ArgumentError, "wrong number of arguments for method #{method_name.inspect} (#{args.length} for 1)", caller(1) if args.length != 1 raise TypeError, "can't modify frozen #{self.class}", caller(1) if self.frozen? self[method_name.chop] = args.first else raise ArgumentError, "wrong number of arguments (#{args.length} for 0)", caller(1) if args.length != 0 self[method_id] end end |
Instance Method Details
#[](key) ⇒ Object
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# File 'lib/hashstruct.rb', line 11 def [](key) key = _make_key(key) has_key?(key) ? fetch(key) : nil end |
#[]=(key, value) ⇒ Object
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# File 'lib/hashstruct.rb', line 16 def []=(key, value) store(_make_key(key), _convert_object(value)) end |
#_convert_object(obj) ⇒ Object
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# File 'lib/hashstruct.rb', line 36 def _convert_object(obj) case obj when String case obj.strip # URI when %r{^(ftp|http|https|mailto):} URI.parse(obj) rescue obj # integer when %r{^-?[1-9][\d,]*$} obj.gsub(/,/, '').to_i # hex integer when %r{^0x[0-9a-f]+$}i obj.hex # float when %r{^-?[\d,]+\.\d+$} obj.gsub(/,/, '').to_f # percent when %r{^-?[\d,]+(\.\d+)?%$} obj.to_f / 100 # rational when %r{^(\d+)/(\d+)$} Rational($1.to_i, $2.to_i) # date when %r{^\d{4}-\d{2}-\d{2}}, # 2010-06-06 %r{^\d{1,2}/\d{1,2}/\d{4}}, # 06/06/2010 %r{^\d{4}/\d{1,2}/\d{1,2}} # 2010/06/06 Date.parse(obj) # boolean true when 'true', 'yes', 'on' true # boolean false when 'false', 'no', 'off' false # nil or empty string when nil, '' nil else obj end when Array obj.map { |o| _convert_object(o) } when Hash HashStruct.new(obj) when HashStruct obj else obj end end |
#_make_key(obj) ⇒ Object
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# File 'lib/hashstruct.rb', line 32 def _make_key(obj) obj.to_s.downcase.gsub(/[^\w]/, '_').to_sym end |