Class: Fzeet::Windows::HTMLElementCollection

Inherits:

Object

• Object
• Fzeet::Windows::HTMLElementCollection

Defined in:

lib/fzeet/windows/mshtml/Common.rb

Instance Method Summary

• #get(selector) ⇒ Object

Instance Method Details

#get(selector) ⇒ Object

# File 'lib/fzeet/windows/mshtml/Common.rb', line 874

def get(selector)
	v = VARIANT.new

	case selector
	when String
		v[:vt] = VT_BSTR
		v[:bstrVal] = bstr = if selector[0] == '#'
			Windows.SysAllocString("#{selector[1..-1]}\0".encode('utf-16le'))
		else
			_tags = true
			Windows.SysAllocString("#{selector}\0".encode('utf-16le'))
		end
	when Integer
		v[:vt] = VT_I4; v[:intVal] = selector
	else raise ArgumentError
	end

	pdisp = nil

	FFI::MemoryPointer.new(:pointer) { |pdisp|
		(_tags) ? tags(v, pdisp) : item(v, VARIANT.new, pdisp)

		return nil if (pdisp = pdisp.read_pointer).null?

		disp = Dispatch.new(pdisp)

		return disp.QueryInstance((_tags) ? HTMLElementCollection : HTMLElement)
	}
ensure
	Windows.SysFreeString(bstr) if bstr
	pdisp.Release if pdisp && !pdisp.null?
end