Class: VinaryTree::Libdictenstein::DoubleArrayTrie

Inherits:
Dictionary
  • Object
show all
Defined in:
lib/vinary_tree/libdictenstein.rb

Instance Attribute Summary

Attributes inherited from Dictionary

#handle

Instance Method Summary collapse

Methods inherited from Dictionary

#capabilities, #close, #each, #entries, #entry_stream, finalizer, #get, #get_u64, #include?, #include_u64?, #keys, #kind, #length, #values, #with_resource

Constructor Details

#initialize(entries, domain: UNICODE_SCALAR) ⇒ DoubleArrayTrie

Returns a new instance of DoubleArrayTrie.



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# File 'lib/vinary_tree/libdictenstein.rb', line 416

def initialize(entries, domain: UNICODE_SCALAR)
  terms = entries.map { |term, _value| term.b }
  memory = Fiddle::Pointer.malloc([1, entries.length * Native::TextEntry.size].max, Fiddle::RUBY_FREE)
  entries.each_with_index do |(_term, value), index|
    item = Native::TextEntry.new(memory + index * Native::TextEntry.size)
    item.data = Fiddle::Pointer[terms[index]]; item.len = terms[index].bytesize; item.value = value || 0; item.has_value = value.nil? ? 0 : 1
  end
  output = Native.pointer_output; Libdictenstein.check(Native.ldict_double_array_trie_new(domain, memory, entries.length, output)); super(Native.read_pointer(output))
end