class Undll32::Win32API
Constants
- DLL
- DL_TYPES
- POINTER_TYPE
- TYPEMAP
- WIN32_TYPES
Public Class Methods
new(dllname, func, import, export = '0', calltype = :stdcall)
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# File lib/undll32.rb, line 21 def initialize(dllname, func, import, export = '0', calltype = :stdcall) @proto = [import].join.tr(WIN32_TYPES, DL_TYPES).sub(/^(.)0*$/, '\1') import = @proto.chars.map { |e| TYPEMAP[e.tr(WIN32_TYPES, DL_TYPES)] } export = TYPEMAP[export.tr(WIN32_TYPES, DL_TYPES)] calltype = Fiddle::Importer.const_get(:CALL_TYPE_TO_ABI)[calltype] handle = DLL[dllname] ||= begin Fiddle.dlopen(dllname) rescue Fiddle::DLError raise unless File.extname(dllname).empty? Fiddle.dlopen("#{dllname}.dll") end @func = Fiddle::Function.new(handle[func], import, export, calltype) rescue Fiddle::DLError => e raise LoadError, e.message, e.backtrace end
Public Instance Methods
call(*args)
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# File lib/undll32.rb, line 38 def call(*args) import = @proto.split('') args.each_with_index do |x, i| if import[i] == 'S' args[i], = [x == 0 ? nil : x].pack('p').unpack(POINTER_TYPE) end args[i], = [x].pack('I').unpack('i') if import[i] == 'I' end ret, = @func.call(*args) ret || 0 end
Also aliased as: Call