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 };
  35
  36 struct table
  37 {
  38     const WCHAR *name;
  39     UINT num_cols;
  40     const struct column *columns;
  41     UINT num_rows;
  42     BYTE *data;
  43     void (*fill)(struct table *);
  44 };
  45
  46 struct property
  47 {
  48     const WCHAR *name;
  49     const WCHAR *class;
  50     const struct property *next;
  51 };
  52
  53 enum operator
  54 {
  55     OP_EQ      = 1,
  56     OP_AND     = 2,
  57     OP_OR      = 3,
  58     OP_GT      = 4,
  59     OP_LT      = 5,
  60     OP_LE      = 6,
  61     OP_GE      = 7,
  62     OP_NE      = 8,
  63     OP_ISNULL  = 9,
  64     OP_NOTNULL = 10,
  65     OP_LIKE    = 11
  66 };
  67
  68 struct expr;
  69 struct complex_expr
  70 {
  71     enum operator op;
  72     struct expr *left;
  73     struct expr *right;
  74 };
  75
  76 enum expr_type
  77 {
  78     EXPR_COMPLEX = 1,
  79     EXPR_UNARY   = 2,
  80     EXPR_PROPVAL = 3,
  81     EXPR_SVAL    = 4,
  82     EXPR_IVAL    = 5,
  83     EXPR_BVAL    = 6
  84 };
  85
  86 struct expr
  87 {
  88     enum expr_type type;
  89     union
  90     {
  91         struct complex_expr expr;
  92         const struct property *propval;
  93         const WCHAR *sval;
  94         int ival;
  95     } u;
  96 };
  97
  98 struct view
  99 {
 100     const struct property *proplist;
 101     struct table *table;
 102     const struct expr *cond;
 103     UINT *result;
 104     UINT  count;
 105 };
 106
 107 struct query
 108 {
 109     LONG refs;
 110     struct view *view;
 111     struct list mem;
 112 };
 113
 114 void addref_query( struct query * ) DECLSPEC_HIDDEN;
 115 void release_query( struct query *query ) DECLSPEC_HIDDEN;
 116 HRESULT exec_query( const WCHAR *, IEnumWbemClassObject ** ) DECLSPEC_HIDDEN;
 117 HRESULT parse_query( const WCHAR *, struct view **, struct list * ) DECLSPEC_HIDDEN;
 118 HRESULT create_view( const struct property *, const WCHAR *, const struct expr *,
 119                      struct view ** ) DECLSPEC_HIDDEN;
 120 void destroy_view( struct view * ) DECLSPEC_HIDDEN;
 121 struct table *get_table( const WCHAR * ) DECLSPEC_HIDDEN;
 122 HRESULT get_propval( const struct view *, UINT, const WCHAR *, VARIANT *,
 123                      CIMTYPE * ) DECLSPEC_HIDDEN;
 124 HRESULT get_properties( const struct view *, SAFEARRAY ** ) DECLSPEC_HIDDEN;
 125
 126 HRESULT WbemLocator_create(IUnknown *, LPVOID *) DECLSPEC_HIDDEN;
 127 HRESULT WbemServices_create(IUnknown *, const WCHAR *, LPVOID *) DECLSPEC_HIDDEN;
 128 HRESULT WbemClassObject_create(IUnknown *, IEnumWbemClassObject *, UINT, LPVOID *) DECLSPEC_HIDDEN;
 129 HRESULT EnumWbemClassObject_create(IUnknown *, struct query *, LPVOID *) DECLSPEC_HIDDEN;
 130
 131 static void *heap_alloc( size_t len ) __WINE_ALLOC_SIZE(1);
 132 static inline void *heap_alloc( size_t len )
 133 {
 134     return HeapAlloc( GetProcessHeap(), 0, len );
 135 }
 136
 137 static void *heap_realloc( void *mem, size_t len ) __WINE_ALLOC_SIZE(2);
 138 static inline void *heap_realloc( void *mem, size_t len )
 139 {
 140     return HeapReAlloc( GetProcessHeap(), 0, mem, len );
 141 }
 142
 143 static inline BOOL heap_free( void *mem )
 144 {
 145     return HeapFree( GetProcessHeap(), 0, mem );
 146 }
 147
 148 static inline WCHAR *heap_strdupW( const WCHAR *src )
 149 {
 150     WCHAR *dst;
 151     if (!src) return NULL;
 152     if ((dst = heap_alloc( (strlenW( src ) + 1) * sizeof(WCHAR) ))) strcpyW( dst, src );
 153     return dst;
 154 }