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Contents
# frozen_string_literal: true
require 'yaml'
# 🐵 patches eager-loading and cacheing of the default user_agent patterns
# PR to add the functionality for reals: https://github.com/ua-parser/uap-ruby/pull/56
module UserAgentParser
class Parser
class Patterns
def initialize
@cache = {}
get # warm the cache for the default patterns
end
def get(path = nil)
path = UserAgentParser::DefaultPatternsPath if path.nil?
@cache[path] ||= load_and_parse(path)
end
private
def load_and_parse(path)
yml = YAML.load_file(path)
# Parse all the regexs
yml.each_pair do |_type, patterns|
patterns.each do |pattern|
pattern[:regex] = Regexp.new(pattern['regex'], pattern['regex_flag'] == 'i')
end
end
[yml['user_agent_parsers'], yml['os_parsers'], yml['device_parsers']]
end
end
# rubocop:disable Style/ClassVars
@@patterns = Patterns.new
def self.load_patterns(path)
@@patterns.get(path)
end
def initialize(options = {})
@patterns_path = options[:patterns_path]
@ua_patterns, @os_patterns, @device_patterns = Parser.load_patterns(@patterns_path)
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems