Class: Opencdd::AliasTable

Inherits:
Object
  • Object
show all
Defined in:
lib/opencdd/alias_table.rb

Constant Summary collapse

DUPLICATE_ALIAS = 
"duplicate alias: %<name>s"

Instance Method Summary collapse

Constructor Details

#initialize(defaults: true) ⇒ AliasTable

Returns a new instance of AliasTable.



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# File 'lib/opencdd/alias_table.rb', line 7

def initialize(defaults: true)
  @table = defaults ? PropertyIds.alias_map.dup : {}
end

Instance Method Details

#declare(alias_name, property_id) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/opencdd/alias_table.rb', line 11

def declare(alias_name, property_id)
  name = alias_name.to_s
  existing = @table[name]
  if existing
    if existing == property_id.to_s
      return self
    end
    raise ArgumentError, format(DUPLICATE_ALIAS, name: name)
  end
  raise ArgumentError, "unknown property id: #{property_id}" unless PropertyIds.entry(property_id)
  @table[name] = property_id.to_s
  self
end

#each(&block) ⇒ Object 



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# File 'lib/opencdd/alias_table.rb', line 40

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

#key?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opencdd/alias_table.rb', line 36

def key?(name)
  @table.key?(name.to_s)
end

#redeclare(alias_name, property_id) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/opencdd/alias_table.rb', line 25

def redeclare(alias_name, property_id)
  name = alias_name.to_s
  raise ArgumentError, "unknown property id: #{property_id}" unless PropertyIds.entry(property_id)
  @table[name] = property_id.to_s
  self
end

#resolve(name) ⇒ Object 



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# File 'lib/opencdd/alias_table.rb', line 32

def resolve(name)
  @table[name.to_s]
end

#size ⇒ Object 



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# File 'lib/opencdd/alias_table.rb', line 48

def size
  @table.size
end

#to_h ⇒ Object 



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# File 'lib/opencdd/alias_table.rb', line 44

def to_h
  @table.dup
end