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Contents
module FFI
class Enums
def initialize
@all_enums = Array.new
@tagged_enums = Hash.new
@symbol_map = Hash.new
end
def <<(enum)
@all_enums << enum
@tagged_enums[enum.tag] = enum unless enum.tag.nil?
@symbol_map.merge!(enum.symbol_map)
end
def find(query)
if @tagged_enums.has_key?(query)
@tagged_enums[query]
else
@all_enums.detect { |enum| enum.symbols.include?(query) }
end
end
def __map_symbol(symbol)
@symbol_map[symbol]
end
end
class Enum
attr_reader :tag
def initialize(info, tag=nil)
@tag = tag
@kv_map = Hash.new
@vk_map = Hash.new
unless info.nil?
last_cst = nil
value = 0
info.each do |i|
case i
when Symbol
@kv_map[i] = value
@vk_map[value] = i
last_cst = i
value += 1
when Integer
@kv_map[last_cst] = i
@vk_map[i] = last_cst
value = i+1
end
end
end
end
def symbols
@kv_map.keys
end
def [](query)
case query
when Symbol
@kv_map[query]
when Integer
@vk_map[query]
end
end
alias find []
def symbol_map
@kv_map
end
alias to_h symbol_map
end
end
Version data entries
17 entries across 17 versions & 4 rubygems