Module: HashWiaModule

Included in:
HashWia
Defined in:
lib/hash_wia/module.rb

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 91

def method_missing name, *args, &block
  strname = name.to_s

  if strname.sub!(/\?$/, '')
    # h.foo?
    !!self[strname]
  elsif strname.sub!(/=$/, '')
    # h.foo = :bar
    self[strname] = args.first
  else
    value = self[strname]
    value = self[strname.to_sym] if value.nil?

    if value.nil?
      if block
        self[strname.to_s] = block
      else
        if key?(strname) || key(strname.to_sym)
          nil
        else
          raise NoMethodError.new('%s not defined in HashWia' % strname)
        end
      end
    else
      if value.class == Array
        value.map! {|el| el.class == Hash ? HashWia.new(el) : el }
      end
      value
    end
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 15

def [] key
  key = key.to_s unless key.respond_to?(:to_sym)
  data = super(key.to_s) || super(key.to_sym)
  data.extend HashWiaModule if data.is_a?(Hash)
  data
end

#[]=(key, value) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 22

def []= key, value
  key = key.to_s unless key.class == Symbol
  delete(key.to_s).nil? && delete(key.to_sym)
  super key, value
end

#clone ⇒ Object

true clone of the hash with 0 references to the old one



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# File 'lib/hash_wia/module.rb', line 48

def clone
  Marshal.load(Marshal.dump(self))
end

#delete(key) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 28

def delete key
  data = super(key)
  skey = key.to_s
  data = super(skey) if data.nil?
  data = super(skey.to_sym) if data.nil? && key.class != Symbol
  data
end

#dig(*args) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 74

def dig *args
  root = self
  while args[0]
    key = args.shift
    root = root[key] || root[key.to_s]
    return if root.nil?
    root = HashWia.new root if root.class == Hash
  end
  root
end

#each(&block) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 62

def each &block
  to_a.each do |key, data|
    if data.is_a?(Hash)
      data.extend HashWiaModule
    end

    block.call key, data
  end

  self
end

#initialize(hash = nil) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 2

def initialize hash = nil
  if hash
    hash.each { |k,v| self[k] = v }
  end
end

#key(name = nil) ⇒ Object

key is common id direct access allow direct get or fuction the same if name given



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# File 'lib/hash_wia/module.rb', line 43

def key name = nil
  self[name.nil? ? :key : name]
end

#merge(hash) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 52

def merge hash
  dup.tap do |h|
    hash.each { |k, v| h[k.to_s] = v }
  end
end

#merge!(hash) ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 58

def merge! hash
  hash.each { |k, v| self[k.to_s] = v }
end

#to_ary ⇒ Object

we never return array from hash, ruby internals



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# File 'lib/hash_wia/module.rb', line 37

def to_ary
  nil
end

#values ⇒ Object 



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# File 'lib/hash_wia/module.rb', line 85

def values
  super.map do |el|
    el.class == Hash ? HashWia.new(el) : el
  end
end