Class: Browscap

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

Overview

browscap-0.1.0 does not use the encoding option, monkey patch it waiting for native support

Instance Method Summary collapse

Constructor Details

#initialize(filename = 'browscap.ini', encoding = 'ISO-8859-1') ⇒ Browscap

Returns a new instance of Browscap.



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# File 'lib/browscap_compat.rb', line 4

def initialize(filename = 'browscap.ini', encoding='ISO-8859-1')
  @@user_agent_properties ||= {}
  @@user_agent_regexps    ||= {}
  @@match_cache           ||= {}

  if @@user_agent_properties.empty? || @@user_agent_regexps.empty?
    ini = IniFile.load(filename, {:encoding => encoding})

    # Remote meta sections
    ini.delete_section '*'
    ini.delete_section 'GJK_Browscap_Version'

    # Create a list of non-parent sections
    child_sections = ini.sections.dup
    ini.sections.each do |section|
      child_sections.delete ini[section]["Parent"]
    end

    # Populate user_agent_properties and user_agent_regexps
    child_sections.each do |section|
      properties = _get_browser_props(ini, section)

      browser = Browser.new
      browser.browser               = properties['Browser']
      browser.version               = properties['Version']
      browser.major_ver             = properties['MajorVer'].to_i
      browser.minor_ver             = properties['MinorVer'].to_i
      browser.platform              = properties['Platform']
      browser.alpha                 = properties['Alpha'].downcase == 'true'
      browser.beta                  = properties['Beta'].downcase == 'true'
      browser.win16                 = properties['Win16'].downcase == 'true'
      browser.win32                 = properties['Win32'].downcase == 'true'
      browser.win64                 = properties['Win64'].downcase == 'true'
      browser.frames                = properties['Frames'].downcase == 'true'
      browser.iframes               = properties['IFrames'].downcase == 'true'
      browser.tables                = properties['Tables'].downcase == 'true'
      browser.cookies               = properties['Cookies'].downcase == 'true'
      browser.background_sounds     = properties['BackgroundSounds'].downcase == 'true'
      browser.javascript            = properties['JavaScript'].downcase == 'true'
      browser.vbscript              = properties['VBScript'].downcase == 'true'
      browser.java_applets          = properties['JavaApplets'].downcase == 'true'
      browser.activex_controls      = properties['ActiveXControls'].downcase == 'true'
      browser.is_banned             = properties['isBanned'].downcase == 'true'
      browser.is_mobile_device      = properties['isMobileDevice'].downcase == 'true'
      browser.is_syndication_reader = properties['isSyndicationReader'].downcase == 'true'
      browser.crawler               = properties['Crawler'].downcase == 'true'
      browser.css_version           = properties['CssVersion'].to_i
      browser.supports_css          = properties['supportsCSS'].downcase == 'true'
      browser.aol_version           = properties['aolVersion'].to_i
      browser.aol                   = properties['AOL'].downcase == 'true'

      @@user_agent_properties[section] = browser

      # Convert .ini file regexp syntax into ruby regexp syntax
      regexp = section.dup
      regexp.gsub! /([\^\$\(\)\[\]\.\-])/, "\\\\\\1"
      regexp.gsub! "?", "."
      regexp.gsub! "*", ".*?"

      if RUBY_VERSION < '1.9'
        @@user_agent_regexps[section] = Regexp.new(("^%s$" % regexp))
      else
        @@user_agent_regexps[section] = Regexp.new(("^%s$" % regexp).force_encoding(encoding))
      end
    end
  end
end