Class: Roast::Workflow::DotAccessHash

Inherits:
Object
  • Object
show all
Defined in:
lib/roast/workflow/dot_access_hash.rb

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ DotAccessHash

Returns a new instance of DotAccessHash.



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# File 'lib/roast/workflow/dot_access_hash.rb', line 6

def initialize(hash)
  @hash = hash || {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

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



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# File 'lib/roast/workflow/dot_access_hash.rb', line 19

def method_missing(method_name, *args, &block)
  method_str = method_name.to_s

  # Handle boolean predicate methods (ending with ?)
  if method_str.end_with?("?")
    key = method_str.chomp("?")
    # Always return false for non-existent keys with ? methods
    return false unless has_key?(key) # rubocop:disable Style/PreferredHashMethods

    !!self[key]
  # Handle setter methods (ending with =)
  elsif method_str.end_with?("=")
    key = method_str.chomp("=")
    self[key] = args.first
  # Handle bang methods (ending with !) - should raise
  elsif method_str.end_with?("!")
    super
  # Handle regular getter methods
  elsif args.empty? && block.nil?
    # Return nil for non-existent keys (like a hash would)
    self[method_str]
  else
    super
  end
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 180

def ==(other)
  case other
  when DotAccessHash
    @hash == other.instance_variable_get(:@hash)
  when Hash
    @hash == other
  else
    false
  end
end

#[](key) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 10

def [](key)
  value = @hash[key.to_sym] || @hash[key.to_s]
  wrap_value(value)
end

#[]=(key, value) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 15

def []=(key, value)
  @hash[key.to_sym] = value
end

#clear ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 175

def clear
  @hash.clear
  self
end

#compact ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 148

def compact
  DotAccessHash.new(@hash.compact)
end

#delete(key) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 171

def delete(key)
  @hash.delete(key.to_sym) || @hash.delete(key.to_s)
end

#dig(*keys) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 118

def dig(*keys)
  keys.inject(self) do |obj, key|
    break nil unless obj.is_a?(DotAccessHash) || obj.is_a?(Hash)

    if obj.is_a?(DotAccessHash)
      obj[key]
    else
      obj[key.to_sym] || obj[key.to_s]
    end
  end
end

#each(&block) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 71

def each(&block)
  @hash.each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/roast/workflow/dot_access_hash.rb', line 67

def empty?
  @hash.empty?
end

#except(*keys) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 162

def except(*keys)
  excluded = @hash.dup
  keys.each do |key|
    excluded.delete(key.to_sym)
    excluded.delete(key.to_s)
  end
  DotAccessHash.new(excluded)
end

#fetch(key, *args) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 106

def fetch(key, *args)
  if has_key?(key) # rubocop:disable Style/PreferredHashMethods
    self[key]
  elsif block_given?
    yield(key)
  elsif !args.empty?
    args[0]
  else
    raise KeyError, "key not found: #{key.inspect}"
  end
end

#has_key?(key_name) ⇒ Boolean Also known as: member?

Returns:

  • (Boolean) 


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# File 'lib/roast/workflow/dot_access_hash.rb', line 191

def has_key?(key_name)
  @hash.key?(key_name.to_sym) || @hash.key?(key_name.to_s)
end

#include?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/roast/workflow/dot_access_hash.rb', line 102

def include?(key)
  has_key?(key) # rubocop:disable Style/PreferredHashMethods
end

#inspect ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 79

def inspect
  @hash.inspect
end

#key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/roast/workflow/dot_access_hash.rb', line 98

def key?(key)
  has_key?(key) # rubocop:disable Style/PreferredHashMethods
end

#keys ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 63

def keys
  @hash.keys
end

#map(&block) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 136

def map(&block)
  @hash.map(&block)
end

#merge(other) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 87

def merge(other)
  merged_hash = @hash.dup
  other_hash = other.is_a?(DotAccessHash) ? other.to_h : other
  merged_hash.merge!(other_hash)
  DotAccessHash.new(merged_hash)
end

#reject(&block) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 144

def reject(&block)
  DotAccessHash.new(@hash.reject(&block))
end

#respond_to_missing?(method_name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/roast/workflow/dot_access_hash.rb', line 45

def respond_to_missing?(method_name, include_private = false)
  method_str = method_name.to_s

  if method_str.end_with?("!")
    false # Don't respond to bang methods
  elsif method_str.end_with?("?")
    true  # Always respond to predicate methods
  elsif method_str.end_with?("=")
    true  # Always respond to setter methods
  else
    true  # Always respond to getter methods (they return nil if missing)
  end
end

#select(&block) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 140

def select(&block)
  DotAccessHash.new(@hash.select(&block))
end

#size ⇒ Object Also known as: length 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 130

def size
  @hash.size
end

#slice(*keys) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 152

def slice(*keys)
  sliced = {}
  keys.each do |key|
    if has_key?(key) # rubocop:disable Style/PreferredHashMethods
      sliced[key.to_sym] = @hash[key.to_sym] || @hash[key.to_s]
    end
  end
  DotAccessHash.new(sliced)
end

#to_h ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 59

def to_h
  @hash
end

#to_json(*args) ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 83

def to_json(*args)
  @hash.to_json(*args)
end

#to_s ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 75

def to_s
  @hash.to_s
end

#values ⇒ Object 



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# File 'lib/roast/workflow/dot_access_hash.rb', line 94

def values
  @hash.values
end