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Contents

# frozen_string_literal: true

module EacRubyUtils
  module SimpleCache
    UNCACHED_METHOD_NAME_SUFFIX = '_uncached'
    UNCACHED_METHOD_PATTERN = /
      \A(\s+)_#{::Regexp.quote(UNCACHED_METHOD_NAME_SUFFIX)}([\!\?]?)\z
    /x.freeze

    class << self
      def uncached_method_name(method_name)
        method_name = method_name.to_s
        end_mark = nil
        if %w[! ?].any? { |mark| method_name.end_with?(mark) }
          end_mark = method_name[-1]
          method_name = method_name[0..-2]
        end
        "#{method_name}#{UNCACHED_METHOD_NAME_SUFFIX}#{end_mark}"
      end
    end

    def method_missing(method, *args, &block)
      if respond_to?(uncached_method_name(method), true)
        call_method_with_cache(method, args, &block)
      else
        super
      end
    end

    def respond_to_missing?(method, include_all = false)
      if method.to_s.end_with?('_uncached')
        super
      else
        respond_to?("#{method}_uncached", true) || super
      end
    end

    def reset_cache(*keys)
      if keys.any?
        keys.each { |key| cache_keys.delete(sanitize_cache_key(key)) }
      else
        @cache_keys = nil
      end
    end

    def sanitize_cache_key(key)
      key.to_s.to_sym
    end

    protected

    def uncached_method_name(original_method_name)
      ::EacRubyUtils::SimpleCache.uncached_method_name(original_method_name)
    end

    private

    def call_method_with_cache(method, args, &block)
      raise 'Não é possível realizar o cache de métodos com bloco' if block

      key = ([method] + args).join('@@@')
      unless cache_keys.key?(sanitize_cache_key(key))
        uncached_value = call_uncached_method(method, args)
        cache_keys[sanitize_cache_key(key)] = uncached_value
      end
      cache_keys[sanitize_cache_key(key)]
    end

    def call_uncached_method(method, args)
      send(uncached_method_name(method), *args)
    end

    def cache_keys
      @cache_keys ||= {}
    end
  end
end

Version data entries

190 entries across 190 versions & 3 rubygems

Version Path
eac_ruby_utils-0.124.0 lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.97.2 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_ruby_utils-0.123.0 lib/eac_ruby_utils/simple_cache.rb
eac_ruby_utils-0.121.0 lib/eac_ruby_utils/simple_cache.rb
eac_ruby_utils-0.120.0 lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.76.1 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.76.0 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.75.2 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_ruby_utils-0.119.2 lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.75.1 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.75.0 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_ruby_utils-0.119.1 lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.74.1 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.74.0 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.73.0 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_ruby_utils-0.119.0 lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.72.0 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb
eac_ruby_utils-0.118.1 lib/eac_ruby_utils/simple_cache.rb
eac_ruby_utils-0.118.0 lib/eac_ruby_utils/simple_cache.rb
eac_tools-0.70.1 sub/eac_ruby_utils/lib/eac_ruby_utils/simple_cache.rb