Class: Agent

Inherits:
Object
  • Object
show all
Defined in:
lib/user-agent/agent.rb,
lib/user-agent/version.rb

Constant Summary collapse

VERSION = 
'1.1.0'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(string) ⇒ Agent

Initialize with user agent string.



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# File 'lib/user-agent/agent.rb', line 12

def initialize string
  @string = string.strip
end

Instance Attribute Details

#string ⇒ Object (readonly)

User agent string.



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# File 'lib/user-agent/agent.rb', line 7

def string
  @string
end

Class Method Details

.engine_for_user_agent(string) ⇒ Object

Return engine symbol for user agent string.



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# File 'lib/user-agent/agent.rb', line 104

def self.engine_for_user_agent string
  case string
  when /webkit/i                ; :webkit
  when /khtml/i                 ; :khtml
  when /konqueror/i             ; :konqueror
  when /chrome/i                ; :chrome
  when /presto/i                ; :presto
  when /trident\/(\d+).(\d+)/i  ; :trident
  when /gecko/i                 ; :gecko
  when /msie/i                  ; :msie
  else                            :unknown
  end
end

.engine_version_for_user_agent(string) ⇒ Object

Return engine version for user agent string.



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# File 'lib/user-agent/agent.rb', line 83

def self.engine_version_for_user_agent string
  $1 if string =~ /#{engine_for_user_agent(string)}[\/ ]([\d\w\.\-]+)/i
end

.map(name, options = {}) ⇒ Object

Map agent name to options.



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# File 'lib/user-agent/agent.rb', line 162

def self.map name, options = {}
  @agents << [name, options]
end

.name_for_user_agent(string) ⇒ Object

Return name for user agent string.



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# File 'lib/user-agent/agent.rb', line 142

def self.name_for_user_agent string
  case string
  when /konqueror/i            ; :Konqueror
  when /chrome/i               ; :Chrome
  when /safari/i               ; :Safari
  when /trident\/(\d+).(\d+)/i ; :'Internet Explorer'
  when /msie/i                 ; :IE
  when /opera/i                ; :Opera
  when /playstation 3/i        ; :PS3
  when /playstation portable/i ; :PSP
  when /firefox/i              ; :Firefox
  else                         ; :Unknown
  end
end

.os_for_user_agent(string) ⇒ Object

Return the os for user agent string.



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# File 'lib/user-agent/agent.rb', line 121

def self.os_for_user_agent string
  case string
  when /windows nt 6\.3/i      ; :'Windows 8.1'
  when /windows nt 6\.2/i      ; :'Windows 8'
  when /windows nt 6\.1/i      ; :'Windows 7'
  when /windows nt 6\.0/i      ; :'Windows Vista'
  when /windows nt 5\.2/i      ; :'Windows 2003'
  when /windows nt 5\.1/i      ; :'Windows XP'
  when /windows nt 5\.0/i      ; :'Windows 2000'
  when /os x (\d+)[._](\d+)/i  ; :"OS X #{$1}.#{$2}"
  when /linux/i                ; :Linux
  when /wii/i                  ; :Wii
  when /playstation 3/i        ; :Playstation
  when /playstation portable/i ; :'Playstation Portable'
  else                         ; :Unknown
  end
end

.version_for_user_agent(string) ⇒ Object

Return version for user agent string.



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# File 'lib/user-agent/agent.rb', line 90

def self.version_for_user_agent string
  case name = name_for_user_agent(string)
  when :Chrome              ; $1 if string =~ /chrome\/([\d\w\.\-]+)/i
  when :Safari              ; $1 if string =~ /version\/([\d\w\.\-]+)/i
  when :PS3                 ; $1 if string =~ /([\d\w\.\-]+)\)\s*$/i
  when :'Internet Explorer' ; "#{$1}.#{$2}" if string =~ /rv:(\d+).(\d+)/i
  when :PSP                 ; $1 if string =~ /([\d\w\.\-]+)\)?\s*$/i
  else                         $1 if string =~ /#{name}[\/ ]([\d\w\.\-]+)/i
  end
end

Instance Method Details

#==(other) ⇒ Object

Check if the agent is the same as other agent.



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# File 'lib/user-agent/agent.rb', line 72

def == other
  string == other.string
end

#engine ⇒ Object

User agent engine symbol.



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# File 'lib/user-agent/agent.rb', line 37

def engine
  Agent.engine_for_user_agent string
end

#engine_version ⇒ Object

User agent engine version string.



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# File 'lib/user-agent/agent.rb', line 44

def engine_version
  Agent.engine_version_for_user_agent string
end

#inspect ⇒ Object

Inspect.



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# File 'lib/user-agent/agent.rb', line 65

def inspect
  "#<Agent:#{name} version:#{version.inspect} engine:\"#{engine.to_s}:#{engine_version}\" os:#{os.to_s.inspect}>"
end

#name ⇒ Object

User agent name symbol.



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# File 'lib/user-agent/agent.rb', line 23

def name
  Agent.name_for_user_agent string
end

#os ⇒ Object

User agent os symbol.



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# File 'lib/user-agent/agent.rb', line 51

def os
  Agent.os_for_user_agent string
end

#to_s ⇒ Object

User agent string.



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# File 'lib/user-agent/agent.rb', line 58

def to_s
  string
end

#version ⇒ Object

User agent version.



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# File 'lib/user-agent/agent.rb', line 30

def version
  Agent.version_for_user_agent string
end