dlls/wbemprox/wbemprox_private.h

   1 /*
   2  * Copyright 2009 Hans Leidekker for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "wine/list.h"
  20 #include "wine/unicode.h"
  21
  22 IClientSecurity client_security;
  23
  24 #define SIZEOF(array) (sizeof(array)/sizeof((array)[0]))
  25
  26 #define COL_TYPE_MASK    0x0000ffff
  27 #define COL_FLAG_DYNAMIC 0x00010000
  28 #define COL_FLAG_KEY     0x00020000
  29
  30 struct column
  31 {
  32     const WCHAR *name;
  33     UINT type;
  34     VARTYPE vartype; /* 0 for default mapping */
  35 };
  36
  37 struct table
  38 {
  39     const WCHAR *name;
  40     UINT num_cols;
  41     const struct column *columns;
  42     UINT num_rows;
  43     BYTE *data;
  44     void (*fill)(struct table *);
  45 };
  46
  47 struct property
  48 {
  49     const WCHAR *name;
  50     const WCHAR *class;
  51     const struct property *next;
  52 };
  53
  54 enum operator
  55 {
  56     OP_EQ      = 1,
  57     OP_AND     = 2,
  58     OP_OR      = 3,
  59     OP_GT      = 4,
  60     OP_LT      = 5,
  61     OP_LE      = 6,
  62     OP_GE      = 7,
  63     OP_NE      = 8,
  64     OP_ISNULL  = 9,
  65     OP_NOTNULL = 10,
  66     OP_LIKE    = 11
  67 };
  68
  69 struct expr;
  70 struct complex_expr
  71 {
  72     enum operator op;
  73     struct expr *left;
  74     struct expr *right;
  75 };
  76
  77 enum expr_type
  78 {
  79     EXPR_COMPLEX = 1,
  80     EXPR_UNARY   = 2,
  81     EXPR_PROPVAL = 3,
  82     EXPR_SVAL    = 4,
  83     EXPR_IVAL    = 5,
  84     EXPR_BVAL    = 6
  85 };
  86
  87 struct expr
  88 {
  89     enum expr_type type;
  90     union
  91     {
  92         struct complex_expr expr;
  93         const struct property *propval;
  94         const WCHAR *sval;
  95         int ival;
  96     } u;
  97 };
  98
  99 struct view
 100 {
 101     const struct property *proplist;
 102     struct table *table;
 103     const struct expr *cond;
 104     UINT *result;
 105     UINT  count;
 106 };
 107
 108 struct query
 109 {
 110     LONG refs;
 111     struct view *view;
 112     struct list mem;
 113 };
 114
 115 void addref_query( struct query * ) DECLSPEC_HIDDEN;
 116 void release_query( struct query *query ) DECLSPEC_HIDDEN;
 117 HRESULT exec_query( const WCHAR *, IEnumWbemClassObject ** ) DECLSPEC_HIDDEN;
 118 HRESULT parse_query( const WCHAR *, struct view **, struct list * ) DECLSPEC_HIDDEN;
 119 HRESULT create_view( const struct property *, const WCHAR *, const struct expr *,
 120                      struct view ** ) DECLSPEC_HIDDEN;
 121 void destroy_view( struct view * ) DECLSPEC_HIDDEN;
 122 struct table *get_table( const WCHAR * ) DECLSPEC_HIDDEN;
 123 HRESULT get_propval( const struct view *, UINT, const WCHAR *, VARIANT *,
 124                      CIMTYPE *, LONG * ) DECLSPEC_HIDDEN;
 125 HRESULT get_properties( const struct view *, SAFEARRAY ** ) DECLSPEC_HIDDEN;
 126
 127 HRESULT WbemLocator_create(IUnknown *, LPVOID *) DECLSPEC_HIDDEN;
 128 HRESULT WbemServices_create(IUnknown *, const WCHAR *, LPVOID *) DECLSPEC_HIDDEN;
 129 HRESULT WbemClassObject_create(IUnknown *, IEnumWbemClassObject *, UINT, LPVOID *) DECLSPEC_HIDDEN;
 130 HRESULT EnumWbemClassObject_create(IUnknown *, struct query *, LPVOID *) DECLSPEC_HIDDEN;
 131
 132 static void *heap_alloc( size_t len ) __WINE_ALLOC_SIZE(1);
 133 static inline void *heap_alloc( size_t len )
 134 {
 135     return HeapAlloc( GetProcessHeap(), 0, len );
 136 }
 137
 138 static void *heap_realloc( void *mem, size_t len ) __WINE_ALLOC_SIZE(2);
 139 static inline void *heap_realloc( void *mem, size_t len )
 140 {
 141     return HeapReAlloc( GetProcessHeap(), 0, mem, len );
 142 }
 143
 144 static inline BOOL heap_free( void *mem )
 145 {
 146     return HeapFree( GetProcessHeap(), 0, mem );
 147 }
 148
 149 static inline WCHAR *heap_strdupW( const WCHAR *src )
 150 {
 151     WCHAR *dst;
 152     if (!src) return NULL;
 153     if ((dst = heap_alloc( (strlenW( src ) + 1) * sizeof(WCHAR) ))) strcpyW( dst, src );
 154     return dst;
 155 }