Class: V8::Portal

Inherits:
Object show all
Defined in:
lib/v8/portal.rb,
lib/v8/portal/caller.rb,
lib/v8/portal/proxies.rb,
lib/v8/portal/function.rb,
lib/v8/portal/templates.rb,
lib/v8/portal/constructor.rb,
lib/v8/portal/interceptors.rb

Defined Under Namespace

Classes: Caller, ConstructorAdapter, FunctionAdapter, Interceptors, Proxies, Templates

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context, access) ⇒ Portal

Returns a new instance of Portal.



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# File 'lib/v8/portal.rb', line 6

def initialize(context, access)
  @context, @access = context, access
  @proxies = Proxies.new
  @templates = Templates.new(self)
  @interceptors = Interceptors.new(self)
  @caller = Caller.new(self)
end

Instance Attribute Details

#access ⇒ Object (readonly)

Returns the value of attribute access.



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# File 'lib/v8/portal.rb', line 4

def access
  @access
end

#caller ⇒ Object (readonly)

Returns the value of attribute caller.



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# File 'lib/v8/portal.rb', line 4

def caller
  @caller
end

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/v8/portal.rb', line 4

def context
  @context
end

#interceptors ⇒ Object (readonly)

Returns the value of attribute interceptors.



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# File 'lib/v8/portal.rb', line 4

def interceptors
  @interceptors
end

#proxies ⇒ Object (readonly)

Returns the value of attribute proxies.



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# File 'lib/v8/portal.rb', line 4

def proxies
  @proxies
end

#templates ⇒ Object (readonly)

Returns the value of attribute templates.



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# File 'lib/v8/portal.rb', line 4

def templates
  @templates
end

Instance Method Details

#lock ⇒ Object 



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# File 'lib/v8/portal.rb', line 14

def lock
  lock = V8::C::Locker.new
  yield
ensure
  lock.delete
end

#open ⇒ Object 



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# File 'lib/v8/portal.rb', line 21

def open
  lock do
    @context.native.enter do
      yield(self)
    end if block_given?
  end
end

#rb(value) ⇒ Object 



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# File 'lib/v8/portal.rb', line 29

def rb(value)
  @proxies.js2rb(value) do
    case value
      when V8::C::Function    then V8::Function.new(value, self)
      when V8::C::Array       then V8::Array.new(value, self)
      when V8::C::Object      then V8::Object.new(value, self)
      when V8::C::String      then value.Utf8Value.tap {|s| return s.respond_to?(:force_encoding) ? s.force_encoding("UTF-8") : s}
      when V8::C::Date        then Time.at(value.NumberValue() / 1000)
      when V8::C::StackTrace  then V8::StackTrace.new(self, value)
      when V8::C::Value       then nil if value.IsEmpty()
    else
      value
    end
  end
end

#v8(value) ⇒ Object 



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# File 'lib/v8/portal.rb', line 45

def v8(value)
  case value
  when V8::Object
    value.instance_eval {@native}
  when String
    C::String::New(value)
  when Symbol
    C::String::NewSymbol(value.to_s)
  when Proc,Method,UnboundMethod
    @proxies.rb2js(value) do
      @templates.to_function(value).function
    end
  when ::Array
    C::Array::New(value.length).tap do |a|
      value.each_with_index do |item, i|
        a.Set(i, v8(item))
      end
    end
  when ::Hash
    C::Object::New().tap do |o|
      value.each do |key, val|
        o.Set(v8(key), v8(val))
      end
    end
  when ::Time
    C::Date::New(value.to_f * 1000)
  when ::Class
    @proxies.rb2js(value) do
      constructor = @templates.to_constructor(value)
      constructor.exposed = true
      constructor.function
    end
  when nil,Numeric,TrueClass,FalseClass, C::Value
    value
  else
    @proxies.rb2js(value) do
      @templates.to_constructor(value.class).allocate(value)
    end
  end
end