diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/ext/dl/win32/lib/Win32API.rb | |
parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/ext/dl/win32/lib/Win32API.rb')
-rw-r--r-- | trunk/ext/dl/win32/lib/Win32API.rb | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/trunk/ext/dl/win32/lib/Win32API.rb b/trunk/ext/dl/win32/lib/Win32API.rb new file mode 100644 index 0000000000..b642e0c8fe --- /dev/null +++ b/trunk/ext/dl/win32/lib/Win32API.rb @@ -0,0 +1,28 @@ +# -*- ruby -*- +# for backward compatibility +warn "Warning:#{caller[0].sub(/:in `.*'\z/, '')}: Win32API is deprecated after Ruby 1.9.1; use dl directly instead" if $VERBOSE + +require 'dl' + +class Win32API + DLL = {} + TYPEMAP = {"0" => DL::TYPE_VOID, "S" => DL::TYPE_VOIDP, "I" => DL::TYPE_LONG} + + def initialize(dllname, func, import, export = "0") + @proto = [import].join.tr("VPpNnLlIi", "0SSI").sub(/^(.)0*$/, '\1') + handle = DLL[dllname] ||= DL.dlopen(dllname) + @func = DL::CFunc.new(handle[func], TYPEMAP[export.tr("VPpNnLlIi", "0SSI")], func) + end + + def call(*args) + import = @proto.split("") + args.each_with_index do |x, i| + args[i], = [x == 0 ? nil : x].pack("p").unpack("l!*") if import[i] == "S" + args[i], = [x].pack("I").unpack("i") if import[i] == "I" + end + ret, = @func.call(args) + return ret || 0 + end + + alias Call call +end |