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c4fdfabcc8
g -L frozen_string_literal ext/**/*.rb|xargs ruby -Ka -e'ARGV.each{|fn|puts
fn;open(fn,"r+"){|f|s=f.read.sub(/\A(#!.*\n)?(#.*coding.*\n)?/,"\\&#
frozen_string_literal: false\n");f.rewind;f.write s}}'
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53143 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
38 lines
1.3 KiB
Ruby
38 lines
1.3 KiB
Ruby
# frozen_string_literal: false
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# -*- ruby -*-
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# for backward compatibility
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warn "Warning:#{caller[0].sub(/:in `.*'\z/, '')}: Win32API is deprecated after Ruby 1.9.1; use fiddle directly instead" if $VERBOSE
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require 'fiddle/import'
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class Win32API
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DLL = {}
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TYPEMAP = {"0" => Fiddle::TYPE_VOID, "S" => Fiddle::TYPE_VOIDP, "I" => Fiddle::TYPE_LONG}
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POINTER_TYPE = Fiddle::SIZEOF_VOIDP == Fiddle::SIZEOF_LONG_LONG ? 'q*' : 'l!*'
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def initialize(dllname, func, import, export = "0", calltype = :stdcall)
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@proto = [import].join.tr("VPpNnLlIi", "0SSI").sub(/^(.)0*$/, '\1')
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handle = DLL[dllname] ||= Fiddle.dlopen(dllname)
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@func = Fiddle::Function.new(
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handle[func],
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@proto.chars.map { |win_type| TYPEMAP[win_type.tr("VPpNnLlIi", "0SSI")] },
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TYPEMAP[export.tr("VPpNnLlIi", "0SSI")],
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Fiddle::Importer.const_get(:CALL_TYPE_TO_ABI)[calltype]
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)
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rescue Fiddle::DLError => e
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raise LoadError, e.message, e.backtrace
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end
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def call(*args)
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import = @proto.split("")
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args.each_with_index do |x, i|
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args[i], = [x == 0 ? nil : x].pack("p").unpack(POINTER_TYPE) if import[i] == "S"
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args[i], = [x].pack("I").unpack("i") if import[i] == "I"
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end
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ret, = @func.call(*args)
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return ret || 0
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end
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alias Call call
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end
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