44 lines
2.1 KiB
C++
44 lines
2.1 KiB
C++
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/*
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* constdecl.hxx
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*
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*
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* Copyright (c) 1998 Microsoft Corporation
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*
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* PURPOSE: Defines the CONST_DECLARE family of macros depending on whether
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* DEFINE_CONST is declared.
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*
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* OWNER: vivekj
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*/
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//--------------------------------------------------------------
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// A few useful macros that allows definition and declaration
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// of strings and guids from the same code, depending on
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// whether the macro DEFINE_CONST is declared.
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//--------------------------------------------------------------
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#undef CONST_SZ_NAME
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#undef CONST_SZ_DECLARE
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#undef CONST_SZ_DECLARE2
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#undef CONST_NODETYPE_DECLARE
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#undef SNAPININFO_DECLARE
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#undef CONST_NODETYPE_DECLARE2
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#ifdef DEFINE_CONST // definitions
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#define CONST_SZ_NAME(_a) _T("Name")
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#define CONST_SZ_DECLARE(_a, _b) const tstring _a = _T(_b);
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#define CONST_SZ_DECLARE2(_a, _b) const tstring _a = (_b);
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#define CONST_NODETYPE_DECLARE(_a, _b, _c, _d) extern CNodeType _a = CNodeType(_b, _c, _d);
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#define SNAPININFO_DECLARE(_a, _b, _c, _d, _e) extern CSnapinInfo _a = CSnapinInfo(_b, &_c, _d, _e);
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#else // declarations
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#define CONST_SZ_NAME(_a)
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#define CONST_SZ_DECLARE(_a, _b) extern const tstring _a;
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#define CONST_SZ_DECLARE2(_a, _b) extern const tstring _a;
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#define CONST_NODETYPE_DECLARE(_a, _b, _c, _d) extern CNodeType _a;
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#define SNAPININFO_DECLARE(_a, _b, _c, _d, _e) extern CSnapinInfo _a;
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#endif
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// defined in terms of the above macros.
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#define CONST_NODETYPE_DECLARE2(_a, _b) CONST_SZ_DECLARE2( szNodeType##_a, _T("{") _T(#_b) _T("-122F-4d2e-8994-8B90F51E4B00}") ) \
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DEFINE_GUID(clsidNodeType##_a, 0x##_b, 0x122f, 0x4d2e, 0x89, 0x94, 0x8b, 0x90, 0xf5, 0x1e, 0x4b, 0x0); \
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CONST_NODETYPE_DECLARE( nodetype##_a, &clsidNodeType##_a, szNodeType##_a, CONST_SZ_NAME(_a) );
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