Class: Win32API
Relationships & Source Files | |
Inherits: | Object |
Defined in: | ext/win32/lib/Win32API.rb |
Constant Summary
-
DLL =
# File 'ext/win32/lib/Win32API.rb', line 9{}
-
POINTER_TYPE =
# File 'ext/win32/lib/Win32API.rb', line 11Fiddle::SIZEOF_VOIDP == Fiddle::SIZEOF_LONG_LONG ? 'q*' : 'l!*'
-
TYPEMAP =
# File 'ext/win32/lib/Win32API.rb', line 10{"0" => Fiddle::TYPE_VOID, "S" => Fiddle::TYPE_VOIDP, "I" => Fiddle::TYPE_LONG}
Class Method Summary
Instance Method Summary
-
Call(*args)
Alias for #call.
- #call(*args) (also: #Call)
Constructor Details
.new(dllname, func, import, export = "0", calltype = :stdcall) ⇒ Win32API
# File 'ext/win32/lib/Win32API.rb', line 13
def initialize(dllname, func, import, export = "0", calltype = :stdcall) @proto = [import].join.tr("VPpNnLlIi", "0SSI").sub(/^(.)0*$/, '\1') handle = DLL[dllname] ||= Fiddle.dlopen(dllname) @func = Fiddle::Function.new( handle[func], @proto.chars.map { |win_type| TYPEMAP[win_type.tr("VPpNnLlIi", "0SSI")] }, TYPEMAP[export.tr("VPpNnLlIi", "0SSI")], Fiddle::Importer.const_get(:CALL_TYPE_TO_ABI)[calltype] ) rescue Fiddle::DLError => e raise LoadError, e., e.backtrace end
Instance Method Details
Call(*args)
Alias for #call.
# File 'ext/win32/lib/Win32API.rb', line 37
alias Call call
#call(*args) Also known as: #Call
[ GitHub ]# File 'ext/win32/lib/Win32API.rb', line 27
def call(*args) import = @proto.split("") args.each_with_index do |x, i| args[i], = [x == 0 ? nil : x].pack("p").unpack(POINTER_TYPE) if import[i] == "S" args[i], = [x].pack("I").unpack("i") if import[i] == "I" end ret, = @func.call(*args) return ret || 0 end