class Less::JavaScript::RhinoContext

Public Class Methods

instance() click to toggle source
# File lib/less/java_script/rhino_context.rb, line 17
def self.instance
  return new # NOTE: for Rhino a context should be kept open per thread !
end
new(globals = nil) click to toggle source
# File lib/less/java_script/rhino_context.rb, line 21
def initialize(globals = nil)
  @rhino_context = Rhino::Context.new :java => true
  if @rhino_context.respond_to?(:version)
    @rhino_context.version = '1.8'
    apply_1_8_compatibility! if @rhino_context.version.to_s != '1.8'
  else
    apply_1_8_compatibility!
  end
  fix_memory_limit! @rhino_context
  globals.each { |key, val| @rhino_context[key] = val } if globals
end

Public Instance Methods

call(properties, *args) click to toggle source
# File lib/less/java_script/rhino_context.rb, line 53
def call(properties, *args)
  options = args.last.is_a?(::Hash) ? args.pop : {} # extract_option!
  
  source_name = options[:source_name] || "<eval>"
  line_number = options[:line_number] || 1
  @rhino_context.eval(properties, source_name, line_number).call(*args)
rescue Rhino::JSError => e
  handle_js_error(e)
end
eval(source, options = {}) click to toggle source
# File lib/less/java_script/rhino_context.rb, line 43
def eval(source, options = {})
  source = source.encode('UTF-8') if source.respond_to?(:encode)
  
  source_name = options[:source_name] || "<eval>"
  line_number = options[:line_number] || 1
  @rhino_context.eval("(#{source})", source_name, line_number)
rescue Rhino::JSError => e
  handle_js_error(e)
end
exec(&block) click to toggle source
# File lib/less/java_script/rhino_context.rb, line 37
def exec(&block)
  @rhino_context.open(&block)
rescue Rhino::JSError => e
  handle_js_error(e)
end
method_missing(symbol, *args) click to toggle source
# File lib/less/java_script/rhino_context.rb, line 63
def method_missing(symbol, *args)
  if @rhino_context.respond_to?(symbol)
    @rhino_context.send(symbol, *args)
  else
    super
  end
end
unwrap() click to toggle source
# File lib/less/java_script/rhino_context.rb, line 33
def unwrap
  @rhino_context
end