Module: Phantomjs

Defined in:
lib/phantomjs.rb,
lib/phantomjs/version.rb,
lib/phantomjs/platform.rb

Defined Under Namespace

Classes: Platform, UnknownPlatform

Constant Summary collapse

VERSION = 
"1.9.2.1"

Class Method Summary collapse

Class Method Details

.available_platforms ⇒ Object 



8
9
10
 
# File 'lib/phantomjs.rb', line 8

def available_platforms
  @available_platforms ||= []
end

.base_dir ⇒ Object 



12
13
14
 
# File 'lib/phantomjs.rb', line 12

def base_dir
   @base_dir ||= File.join(File.expand_path('~'), '.phantomjs', version)
end

.implode! ⇒ Object

Removes the local phantomjs copy



34
35
36
 
# File 'lib/phantomjs.rb', line 34

def implode!
  FileUtils.rm_rf File.join(File.expand_path('~'), '.phantomjs')
end

.path ⇒ Object 



20
21
22
 
# File 'lib/phantomjs.rb', line 20

def path
  @path ||= platform.phantomjs_path
end

.platform ⇒ Object 



24
25
26
27
28
29
30
31
 
# File 'lib/phantomjs.rb', line 24

def platform
  if platform = available_platforms.find {|p| p.useable? }
    platform.ensure_installed!
    platform
  else
    raise UnknownPlatform, "Could not find an appropriate PhantomJS library for your platform (#{RUBY_PLATFORM} :( Please install manually."
  end
end

.reset! ⇒ Object

Clears cached state. Primarily useful for testing.



39
40
41
 
# File 'lib/phantomjs.rb', line 39

def reset!
  @base_dir = @path = nil
end

.run(*args, &block) ⇒ Object

Run phantomjs with the given arguments, and either return the stdout or yield each line to the passed block.



45
46
47
48
49
 
# File 'lib/phantomjs.rb', line 45

def run(*args, &block)
  IO.popen([path, *args]) do |io|
    block ? io.each(&block) : io.read
  end
end

.version ⇒ Object 



16
17
18
 
# File 'lib/phantomjs.rb', line 16

def version
  Phantomjs::VERSION.split('.')[0..-2].join('.')
end