Module: Windows::TaskSchedulerHelper

Extended by:
FFI::Library
Included in:
Win32::TaskScheduler
Defined in:
lib/win32/windows/helper.rb

Constant Summary collapse

FORMAT_MESSAGE_IGNORE_INSERTS = 
0x00000200
FORMAT_MESSAGE_FROM_SYSTEM = 
0x00001000
FORMAT_MESSAGE_MAX_WIDTH_MASK = 
0x000000FF

Instance Method Summary collapse

Instance Method Details

#ole_error(function, err) ⇒ Object 



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# File 'lib/win32/windows/helper.rb', line 33

def ole_error(function, err)
  regex = /OLE error code:(.*?)\sin/
  match = regex.match(err.to_s)

  if match
    error = match.captures.first.hex
    win_error(function, error)
  else
    "#{function}: #{err.to_s}"
  end
end

#win_error(function, err = FFI.errno) ⇒ Object 



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# File 'lib/win32/windows/helper.rb', line 16

def win_error(function, err=FFI.errno)
  err_msg = ''
  flags = FORMAT_MESSAGE_IGNORE_INSERTS |
    FORMAT_MESSAGE_FROM_SYSTEM |
    FORMAT_MESSAGE_MAX_WIDTH_MASK

  # 0x0409 == MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US)
  # We use English for errors because Ruby uses English for errors.

  FFI::MemoryPointer.new(:char, 1024) do |buf|
    len = FormatMessage(flags, nil, err , 0x0409, buf, buf.size, nil)
    err_msg = function + ': ' + buf.read_string(len).strip
  end

  err_msg
end