2 * Copyright 2012 Hans Leidekker for CodeWeavers
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.
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.
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
28 #include "wine/debug.h"
29 #include "wbemprox_private.h"
31 WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);
33 HRESULT get_column_index( const struct table *table, const WCHAR *name, UINT *column )
36 for (i = 0; i < table->num_cols; i++)
38 if (!strcmpiW( table->columns[i].name, name ))
44 return WBEM_E_INVALID_QUERY;
47 UINT get_type_size( CIMTYPE type )
49 if (type & CIM_FLAG_ARRAY) return sizeof(void *);
66 return sizeof(WCHAR *);
68 ERR("unhandled type %u\n", type);
71 return sizeof(LONGLONG);
74 static UINT get_column_size( const struct table *table, UINT column )
76 return get_type_size( table->columns[column].type & COL_TYPE_MASK );
79 static UINT get_column_offset( const struct table *table, UINT column )
82 for (i = 0; i < column; i++) offset += get_column_size( table, i );
86 static UINT get_row_size( const struct table *table )
88 return get_column_offset( table, table->num_cols - 1 ) + get_column_size( table, table->num_cols - 1 );
91 HRESULT get_value( const struct table *table, UINT row, UINT column, LONGLONG *val )
93 UINT col_offset, row_size;
96 col_offset = get_column_offset( table, column );
97 row_size = get_row_size( table );
98 ptr = table->data + row * row_size + col_offset;
100 if (table->columns[column].type & CIM_FLAG_ARRAY)
102 *val = (INT_PTR)*(const void **)ptr;
105 switch (table->columns[column].type & COL_TYPE_MASK)
108 *val = *(const int *)ptr;
112 *val = (INT_PTR)*(const WCHAR **)ptr;
115 *val = *(const INT16 *)ptr;
118 *val = *(const UINT16 *)ptr;
121 *val = *(const INT32 *)ptr;
124 *val = *(const UINT32 *)ptr;
127 *val = *(const INT64 *)ptr;
130 *val = *(const UINT64 *)ptr;
133 ERR("invalid column type %u\n", table->columns[column].type & COL_TYPE_MASK);
140 BSTR get_value_bstr( const struct table *table, UINT row, UINT column )
142 static const WCHAR fmt_signedW[] = {'%','d',0};
143 static const WCHAR fmt_unsignedW[] = {'%','u',0};
144 static const WCHAR fmt_signed64W[] = {'%','I','6','4','d',0};
145 static const WCHAR fmt_unsigned64W[] = {'%','I','6','4','u',0};
146 static const WCHAR fmt_strW[] = {'\"','%','s','\"',0};
147 static const WCHAR trueW[] = {'T','R','U','E',0};
148 static const WCHAR falseW[] = {'F','A','L','S','E',0};
154 if (table->columns[column].type & CIM_FLAG_ARRAY)
156 FIXME("array to string conversion not handled\n");
159 if (get_value( table, row, column, &val ) != S_OK) return NULL;
161 switch (table->columns[column].type & COL_TYPE_MASK)
164 if (val) return SysAllocString( trueW );
165 else return SysAllocString( falseW );
169 if (!val) return NULL;
170 len = strlenW( (const WCHAR *)(INT_PTR)val ) + 2;
171 if (!(ret = SysAllocStringLen( NULL, len ))) return NULL;
172 sprintfW( ret, fmt_strW, (const WCHAR *)(INT_PTR)val );
177 sprintfW( number, fmt_signedW, val );
178 return SysAllocString( number );
182 sprintfW( number, fmt_unsignedW, val );
183 return SysAllocString( number );
186 wsprintfW( number, fmt_signed64W, val );
187 return SysAllocString( number );
190 wsprintfW( number, fmt_unsigned64W, val );
191 return SysAllocString( number );
194 FIXME("unhandled column type %u\n", table->columns[column].type & COL_TYPE_MASK);
200 HRESULT set_value( const struct table *table, UINT row, UINT column, LONGLONG val,
203 UINT col_offset, row_size;
206 if ((table->columns[column].type & COL_TYPE_MASK) != type) return WBEM_E_TYPE_MISMATCH;
208 col_offset = get_column_offset( table, column );
209 row_size = get_row_size( table );
210 ptr = table->data + row * row_size + col_offset;
212 switch (table->columns[column].type & COL_TYPE_MASK)
216 *(WCHAR **)ptr = (WCHAR *)(INT_PTR)val;
222 *(UINT16 *)ptr = val;
228 *(UINT32 *)ptr = val;
234 *(UINT64 *)ptr = val;
237 FIXME("unhandled column type %u\n", type);
238 return WBEM_E_FAILED;
243 HRESULT get_method( const struct table *table, const WCHAR *name, class_method **func )
247 for (i = 0; i < table->num_rows; i++)
249 for (j = 0; j < table->num_cols; j++)
251 if (table->columns[j].type & COL_FLAG_METHOD && !strcmpW( table->columns[j].name, name ))
256 if ((hr = get_value( table, i, j, &val )) != S_OK) return hr;
257 *func = (class_method *)(INT_PTR)val;
262 return WBEM_E_INVALID_METHOD;
266 static void clear_table( struct table *table )
271 if (!table->data) return;
273 for (i = 0; i < table->num_rows; i++)
275 for (j = 0; j < table->num_cols; j++)
277 if (!(table->columns[j].type & COL_FLAG_DYNAMIC)) continue;
279 type = table->columns[j].type & COL_TYPE_MASK;
280 if (type == CIM_STRING || type == CIM_DATETIME || (type & CIM_FLAG_ARRAY))
282 if (get_value( table, i, j, &val ) == S_OK) heap_free( (void *)(INT_PTR)val );
289 heap_free( table->data );
294 void free_columns( struct column *columns, UINT num_cols )
298 for (i = 0; i < num_cols; i++)
300 heap_free( (WCHAR *)columns[i].name );
302 heap_free( columns );
305 void free_table( struct table *table )
309 clear_table( table );
310 if (table->flags & TABLE_FLAG_DYNAMIC)
312 TRACE("destroying %p\n", table);
313 heap_free( (WCHAR *)table->name );
314 free_columns( (struct column *)table->columns, table->num_cols );
315 list_remove( &table->entry );
320 void release_table( struct table *table )
322 if (!InterlockedDecrement( &table->refs )) free_table( table );
325 struct table *addref_table( struct table *table )
327 InterlockedIncrement( &table->refs );
331 struct table *grab_table( const WCHAR *name )
335 LIST_FOR_EACH_ENTRY( table, table_list, struct table, entry )
337 if (!strcmpiW( table->name, name ))
339 if (table->fill && !table->data) table->fill( table );
340 TRACE("returning %p\n", table);
341 return addref_table( table );
347 struct table *create_table( const WCHAR *name, UINT num_cols, const struct column *columns,
348 UINT num_rows, BYTE *data, void (*fill)(struct table *) )
352 if (!(table = heap_alloc( sizeof(*table) ))) return NULL;
353 table->name = heap_strdupW( name );
354 table->num_cols = num_cols;
355 table->columns = columns;
356 table->num_rows = num_rows;
359 table->flags = TABLE_FLAG_DYNAMIC;
361 list_init( &table->entry );
365 BOOL add_table( struct table *table )
369 LIST_FOR_EACH_ENTRY( iter, table_list, struct table, entry )
371 if (!strcmpiW( iter->name, table->name ))
373 TRACE("table %s already exists\n", debugstr_w(table->name));
377 list_add_tail( table_list, &table->entry );
378 TRACE("added %p\n", table);
382 BSTR get_method_name( const WCHAR *class, UINT index )
388 if (!(table = grab_table( class ))) return NULL;
390 for (i = 0; i < table->num_cols; i++)
392 if (table->columns[i].type & COL_FLAG_METHOD)
396 ret = SysAllocString( table->columns[i].name );
397 release_table( table );
403 release_table( table );
407 BSTR get_property_name( const WCHAR *class, UINT index )
413 if (!(table = grab_table( class ))) return NULL;
415 for (i = 0; i < table->num_cols; i++)
417 if (!(table->columns[i].type & COL_FLAG_METHOD))
421 ret = SysAllocString( table->columns[i].name );
422 release_table( table );
428 release_table( table );