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# -*- ruby -*-
require 'dl'
module DL
class Types
TYPES = [
# FORMAT:
# ["alias name",
# "type name", encoding_method, decoding_method, for function prototypes
# "type name", encoding_method, decoding_method] for structures (not implemented)
# for Windows
["DWORD", "unsigned long", nil, nil,
"unsigned long", nil, nil],
["PDWORD", "unsigned long *", nil, nil,
"unsigned long *", nil, nil],
["WORD", "unsigned short", nil, nil,
"unsigned short", nil, nil],
["PWORD", "unsigned int *", nil, nil,
"unsigned int *", nil, nil],
["BYTE", "unsigned char", nil, nil,
"unsigned char", nil, nil],
["PBYTE", "unsigned char *", nil, nil,
"unsigned char *", nil, nil],
["BOOL", "ibool", nil, nil,
"ibool", nil, nil],
["ATOM", "int", nil, nil,
"int", nil, nil],
["BYTE", "unsigned char", nil, nil,
"unsigned char", nil, nil],
["PBYTE", "unsigned char *", nil, nil,
"unsigned char *", nil, nil],
["UINT", "unsigned int", nil, nil,
"unsigned int", nil, nil],
["ULONG", "unsigned long", nil, nil,
"unsigned long", nil, nil],
["UCHAR", "unsigned char", nil, nil,
"unsigned char", nil, nil],
["HANDLE", "unsigned long", nil, nil,
"unsigned long", nil, nil],
["PHANDLE","void*", nil, nil,
"void*", nil, nil],
["PVOID", "void*", nil, nil,
"void*", nil, nil],
["LPCSTR", "char*", nil, nil,
"char*", nil, nil],
["HDC", "unsigned int", nil, nil,
"unsigned int", nil, nil],
["HWND", "unsigned int", nil, nil,
"unsigned int", nil, nil],
# Others
["uint", "unsigned int", nil, nil,
"unsigned int", nil, nil],
["u_int", "unsigned int", nil, nil,
"unsigned int", nil, nil],
["ulong", "unsigned long", nil, nil,
"unsigned long", nil, nil],
["u_long", "unsigned long", nil, nil,
"unsigned long", nil, nil],
# DL::Importable primitive types
["ibool",
"I",
proc{|v| v ? 1 : 0},
proc{|v| (v != 0) ? true : false},
"I",
proc{|v| v ? 1 : 0 },
proc{|v| (v != 0) ? true : false} ],
["cbool",
"C",
proc{|v| v ? 1 : 0},
proc{|v| (v != 0) ? true : false},
"C",
proc{|v,len| v ? 1 : 0},
proc{|v,len| (v != 0) ? true : false}],
["lbool",
"L",
proc{|v| v ? 1 : 0},
proc{|v| (v != 0) ? true : false},
"L",
proc{|v,len| v ? 1 : 0},
proc{|v,len| (v != 0) ? true : false}],
["unsigned char",
"C",
proc{|v| [v].pack("C").unpack("c")[0]},
proc{|v| [v].pack("c").unpack("C")[0]},
"C",
proc{|v| [v].pack("C").unpack("c")[0]},
proc{|v| [v].pack("c").unpack("C")[0]}],
["unsigned short",
"H",
proc{|v| [v].pack("S").unpack("s")[0]},
proc{|v| [v].pack("s").unpack("S")[0]},
"H",
proc{|v| [v].pack("S").unpack("s")[0]},
proc{|v| [v].pack("s").unpack("S")[0]}],
["unsigned int",
"I",
proc{|v| [v].pack("I").unpack("i")[0]},
proc{|v| [v].pack("i").unpack("I")[0]},
"I",
proc{|v| [v].pack("I").unpack("i")[0]},
proc{|v| [v].pack("i").unpack("I")[0]}],
["unsigned long",
"L",
proc{|v| [v].pack("L").unpack("l")[0]},
proc{|v| [v].pack("l").unpack("L")[0]},
"L",
proc{|v| [v].pack("L").unpack("l")[0]},
proc{|v| [v].pack("l").unpack("L")[0]}],
["unsigned char ref",
"c",
proc{|v| [v].pack("C").unpack("c")[0]},
proc{|v| [v].pack("c").unpack("C")[0]},
nil, nil, nil],
["unsigned int ref",
"i",
proc{|v| [v].pack("I").unpack("i")[0]},
proc{|v| [v].pack("i").unpack("I")[0]},
nil, nil, nil],
["unsigned long ref",
"l",
proc{|v| [v].pack("L").unpack("l")[0]},
proc{|v| [v].pack("l").unpack("L")[0]},
nil, nil, nil],
["char ref", "c", nil, nil,
nil, nil, nil],
["short ref", "h", nil, nil,
nil, nil, nil],
["int ref", "i", nil, nil,
nil, nil, nil],
["long ref", "l", nil, nil,
nil, nil, nil],
["float ref", "f", nil, nil,
nil, nil, nil],
["double ref","d", nil, nil,
nil, nil, nil],
["char", "C", nil, nil,
"C", nil, nil],
["short", "H", nil, nil,
"H", nil, nil],
["int", "I", nil, nil,
"I", nil, nil],
["long", "L", nil, nil,
"L", nil, nil],
["float", "F", nil, nil,
"F", nil, nil],
["double", "D", nil, nil,
"D", nil, nil],
[/^char\s*\*$/,"s",nil, nil,
"S",nil, nil],
[/^const char\s*\*$/,"S",nil, nil,
"S",nil, nil],
[/^.+\*$/, "P", nil, nil,
"P", nil, nil],
[/^.+\[\]$/, "a", nil, nil,
"a", nil, nil],
["void", "0", nil, nil,
nil, nil, nil],
]
def initialize
init_types()
end
def typealias(ty1, ty2, enc=nil, dec=nil, ty3=nil, senc=nil, sdec=nil)
@TYDEFS.unshift([ty1, ty2, enc, dec, ty3, senc, sdec])
end
def init_types
@TYDEFS = TYPES.dup
end
def encode_type(ty)
orig_ty = ty
enc = nil
dec = nil
senc = nil
sdec = nil
ty1 = ty
ty2 = ty
@TYDEFS.each{|t1,t2,c1,c2,t3,c3,c4|
if( (t1.is_a?(Regexp) && (t1 =~ ty1)) || (t1 == ty1) )
ty1 = ty1.gsub(t1,t2) if t2
ty1.strip! if ty1
if( enc )
if( c1 )
conv1 = enc
enc = proc{|v| c1.call(conv1.call(v))}
end
else
if( c1 )
enc = c1
end
end
if( dec )
if( c2 )
conv2 = dec
dec = proc{|v| c2.call(conv2.call(v))}
end
else
if( c2 )
dec = c2
end
end
end
if( (t1.is_a?(Regexp) && (t1 =~ ty2)) || (t1 == ty2) )
ty2 = ty2.gsub(t1,t3) if t3
ty2.strip! if ty2
if( senc )
if( c3 )
conv3 = senc
senc = proc{|v| c3.call(conv3.call(v))}
end
else
if( c3 )
senc = c3
end
end
if( sdec )
if( c4 )
conv4 = sdec
sdec = proc{|v| c4.call(conv4.call(v))}
end
else
if( c4 )
sdec = c4
end
end
end
}
return [ty1,enc,dec,ty2,senc,sdec]
end
end # end of Types
end
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