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 #define SIZEOF(array) (sizeof(array)/sizeof((array)[0]))
  23
  24 struct column
  25 {
  26     const WCHAR *name;
  27     CIMTYPE_ENUMERATION type;
  28 };
  29
  30 struct table
  31 {
  32     const WCHAR *name;
  33     UINT num_cols;
  34     const struct column *columns;
  35     UINT num_rows;
  36     BYTE *data;
  37     void (*fill)(struct table *);
  38 };
  39
  40 struct property
  41 {
  42     const WCHAR *name;
  43     const WCHAR *class;
  44     const struct property *next;
  45 };
  46
  47 enum operator
  48 {
  49     OP_EQ      = 1,
  50     OP_AND     = 2,
  51     OP_OR      = 3,
  52     OP_GT      = 4,
  53     OP_LT      = 5,
  54     OP_LE      = 6,
  55     OP_GE      = 7,
  56     OP_NE      = 8,
  57     OP_ISNULL  = 9,
  58     OP_NOTNULL = 10,
  59     OP_LIKE    = 11
  60 };
  61
  62 struct expr;
  63 struct complex_expr
  64 {
  65     enum operator op;
  66     struct expr *left;
  67     struct expr *right;
  68 };
  69
  70 enum expr_type
  71 {
  72     EXPR_COMPLEX = 1,
  73     EXPR_UNARY   = 2,
  74     EXPR_PROPVAL = 3,
  75     EXPR_SVAL    = 4,
  76     EXPR_IVAL    = 5,
  77     EXPR_BVAL    = 6
  78 };
  79
  80 struct expr
  81 {
  82     enum expr_type type;
  83     union
  84     {
  85         struct complex_expr expr;
  86         const struct property *propval;
  87         const WCHAR *sval;
  88         int ival;
  89     } u;
  90 };
  91
  92 struct view
  93 {
  94     const struct property *proplist;
  95     struct table *table;
  96     const struct expr *cond;
  97     UINT *result;
  98     UINT  count;
  99     UINT  index;
 100 };
 101
 102 struct query
 103 {
 104     struct view *view;
 105     struct list mem;
 106 };
 107
 108 void free_query( struct query * ) DECLSPEC_HIDDEN;
 109 HRESULT exec_query( const WCHAR *, IEnumWbemClassObject ** ) DECLSPEC_HIDDEN;
 110 HRESULT parse_query( const WCHAR *, struct view **, struct list * ) DECLSPEC_HIDDEN;
 111 HRESULT create_view( const struct property *, const WCHAR *, const struct expr *,
 112                      struct view ** ) DECLSPEC_HIDDEN;
 113 void destroy_view( struct view * ) DECLSPEC_HIDDEN;
 114 struct table *get_table( const WCHAR * ) DECLSPEC_HIDDEN;
 115 HRESULT get_propval( const struct view *, UINT, const WCHAR *, VARIANT *,
 116                      CIMTYPE * ) DECLSPEC_HIDDEN;
 117
 118 HRESULT WbemLocator_create(IUnknown *, LPVOID *) DECLSPEC_HIDDEN;
 119 HRESULT WbemServices_create(IUnknown *, LPVOID *) DECLSPEC_HIDDEN;
 120 HRESULT WbemClassObject_create(IUnknown *, IEnumWbemClassObject *, UINT, LPVOID *) DECLSPEC_HIDDEN;
 121 HRESULT EnumWbemClassObject_create(IUnknown *, struct query *, LPVOID *) DECLSPEC_HIDDEN;
 122
 123 static void *heap_alloc( size_t len ) __WINE_ALLOC_SIZE(1);
 124 static inline void *heap_alloc( size_t len )
 125 {
 126     return HeapAlloc( GetProcessHeap(), 0, len );
 127 }
 128
 129 static void *heap_realloc( void *mem, size_t len ) __WINE_ALLOC_SIZE(2);
 130 static inline void *heap_realloc( void *mem, size_t len )
 131 {
 132     return HeapReAlloc( GetProcessHeap(), 0, mem, len );
 133 }
 134
 135 static inline BOOL heap_free( void *mem )
 136 {
 137     return HeapFree( GetProcessHeap(), 0, mem );
 138 }
 139
 140 static inline WCHAR *heap_strdupW( const WCHAR *src )
 141 {
 142     WCHAR *dst;
 143     if (!src) return NULL;
 144     if ((dst = heap_alloc( (strlenW( src ) + 1) * sizeof(WCHAR) ))) strcpyW( dst, src );
 145     return dst;
 146 }