Class: TaintedParams::StringKeyHash

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
Enumerable
Defined in:
lib/tainted_params/string_key_hash.rb

Overview

< SimpleDelegator

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ StringKeyHash

Returns a new instance of StringKeyHash.

Raises:

  • (ArgumentError) 


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# File 'lib/tainted_params/string_key_hash.rb', line 15

def initialize(hash)
  raise ArgumentError unless hash.is_a?(Hash)
  @hash = self.class.stringify_keys(hash).freeze
end

Class Method Details

.stringify_keys(hash) ⇒ Object 



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# File 'lib/tainted_params/string_key_hash.rb', line 9

def self.stringify_keys(hash)
  hash.map_pairs{ |k,v|
    [k.to_s, v]
  }
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/tainted_params/string_key_hash.rb', line 55

def ==(other)
  case other
    when Hash then self == self.class.new(other)
    when self.class then to_hash == other.to_hash
    else false
  end
end

#[](key) ⇒ Object 



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# File 'lib/tainted_params/string_key_hash.rb', line 35

def [](key)
  @hash[convert_key(key)]
end

#dup ⇒ Object 



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# File 'lib/tainted_params/string_key_hash.rb', line 47

def dup
  self.class.new(self)
end

#key?(k) ⇒ Boolean Also known as: include?, has_key?, member?

Returns:

  • (Boolean) 


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# File 'lib/tainted_params/string_key_hash.rb', line 27

def key?(k)
  @hash.key?(convert_key(k))
end

#merge(hash, &block) ⇒ Object 



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# File 'lib/tainted_params/string_key_hash.rb', line 43

def merge(hash, &block)
  self.class.new(self.to_hash.merge(hash, &block))
end

#to_hash ⇒ Object 



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# File 'lib/tainted_params/string_key_hash.rb', line 51

def to_hash
  @hash
end

#values_at(*args) ⇒ Object 



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# File 'lib/tainted_params/string_key_hash.rb', line 39

def values_at(*args)
  args.map{ |k| self[k] }
end