dlls/wbemprox/table.c - wine - Git at Google

 /*
  * Copyright 2012 Hans Leidekker for CodeWeavers
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #define COBJMACROS

 #include "config.h"
 #include <stdarg.h>

 #include "windef.h"
 #include "winbase.h"
 #include "wbemcli.h"

 #include "wine/debug.h"
 #include "wbemprox_private.h"

 WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);

 HRESULT get_column_index( const struct table *table, const WCHAR *name, UINT *column )
 {
     UINT i;
     for (i = 0; i < table->num_cols; i++)
     {
         if (!strcmpiW( table->columns[i].name, name ))
         {
             *column = i;
             return S_OK;
         }
     }
     return WBEM_E_INVALID_QUERY;
 }

 UINT get_type_size( CIMTYPE type )
 {
     if (type & CIM_FLAG_ARRAY) return sizeof(void *);

     switch (type)
     {
     case CIM_BOOLEAN:
         return sizeof(int);
     case CIM_SINT16:
     case CIM_UINT16:
         return sizeof(INT16);
     case CIM_SINT32:
     case CIM_UINT32:
         return sizeof(INT32);
     case CIM_SINT64:
     case CIM_UINT64:
         return sizeof(INT64);
     case CIM_DATETIME:
     case CIM_STRING:
         return sizeof(WCHAR *);
     default:
         ERR("unhandled type %u\n", type);
         break;
     }
     return sizeof(LONGLONG);
 }

 static UINT get_column_size( const struct table *table, UINT column )
 {
     return get_type_size( table->columns[column].type & COL_TYPE_MASK );
 }

 static UINT get_column_offset( const struct table *table, UINT column )
 {
     UINT i, offset = 0;
     for (i = 0; i < column; i++) offset += get_column_size( table, i );
     return offset;
 }

 static UINT get_row_size( const struct table *table )
 {
     return get_column_offset( table, table->num_cols - 1 ) + get_column_size( table, table->num_cols - 1 );
 }

 HRESULT get_value( const struct table *table, UINT row, UINT column, LONGLONG *val )
 {
     UINT col_offset, row_size;
     const BYTE *ptr;

     col_offset = get_column_offset( table, column );
     row_size = get_row_size( table );
     ptr = table->data + row * row_size + col_offset;

     if (table->columns[column].type & CIM_FLAG_ARRAY)
     {
         *val = (LONGLONG)(INT_PTR)*(const void **)ptr;
         return S_OK;
     }
     switch (table->columns[column].type & COL_TYPE_MASK)
     {
     case CIM_BOOLEAN:
         *val = *(const int *)ptr;
         break;
     case CIM_DATETIME:
     case CIM_STRING:
         *val = (LONGLONG)(INT_PTR)*(const WCHAR **)ptr;
         break;
     case CIM_SINT16:
         *val = *(const INT16 *)ptr;
         break;
     case CIM_UINT16:
         *val = *(const UINT16 *)ptr;
         break;
     case CIM_SINT32:
         *val = *(const INT32 *)ptr;
         break;
     case CIM_UINT32:
         *val = *(const UINT32 *)ptr;
         break;
     case CIM_SINT64:
         *val = *(const INT64 *)ptr;
         break;
     case CIM_UINT64:
         *val = *(const UINT64 *)ptr;
         break;
     default:
         ERR("invalid column type %u\n", table->columns[column].type & COL_TYPE_MASK);
         *val = 0;
         break;
     }
     return S_OK;
 }

 BSTR get_value_bstr( const struct table *table, UINT row, UINT column )
 {
     static const WCHAR fmt_signedW[] = {'%','d',0};
     static const WCHAR fmt_unsignedW[] = {'%','u',0};
     static const WCHAR fmt_signed64W[] = {'%','I','6','4','d',0};
     static const WCHAR fmt_unsigned64W[] = {'%','I','6','4','u',0};
     static const WCHAR fmt_strW[] = {'\"','%','s','\"',0};
     LONGLONG val;
     BSTR ret;
     WCHAR number[22];
     UINT len;

     if (table->columns[column].type & CIM_FLAG_ARRAY)
     {
         FIXME("array to string conversion not handled\n");
         return NULL;
     }
     if (get_value( table, row, column, &val ) != S_OK) return NULL;

     switch (table->columns[column].type & COL_TYPE_MASK)
     {
     case CIM_DATETIME:
     case CIM_STRING:
         len = strlenW( (const WCHAR *)(INT_PTR)val ) + 2;
         if (!(ret = SysAllocStringLen( NULL, len ))) return NULL;
         sprintfW( ret, fmt_strW, (const WCHAR *)(INT_PTR)val );
         return ret;

     case CIM_SINT16:
     case CIM_SINT32:
         sprintfW( number, fmt_signedW, val );
         return SysAllocString( number );

     case CIM_UINT16:
     case CIM_UINT32:
         sprintfW( number, fmt_unsignedW, val );
         return SysAllocString( number );

     case CIM_SINT64:
         wsprintfW( number, fmt_signed64W, val );
         return SysAllocString( number );

     case CIM_UINT64:
         wsprintfW( number, fmt_unsigned64W, val );
         return SysAllocString( number );

     default:
         FIXME("unhandled column type %u\n", table->columns[column].type & COL_TYPE_MASK);
         break;
     }
     return NULL;
 }

 HRESULT set_value( const struct table *table, UINT row, UINT column, LONGLONG val,
                    CIMTYPE type )
 {
     UINT col_offset, row_size;
     BYTE *ptr;

     if ((table->columns[column].type & COL_TYPE_MASK) != type) return WBEM_E_TYPE_MISMATCH;

     col_offset = get_column_offset( table, column );
     row_size = get_row_size( table );
     ptr = table->data + row * row_size + col_offset;

     switch (table->columns[column].type & COL_TYPE_MASK)
     {
     case CIM_DATETIME:
     case CIM_STRING:
         *(WCHAR **)ptr = (WCHAR *)(INT_PTR)val;
         break;
     case CIM_SINT16:
         *(INT16 *)ptr = val;
         break;
     case CIM_UINT16:
         *(UINT16 *)ptr = val;
         break;
     case CIM_SINT32:
         *(INT32 *)ptr = val;
         break;
     case CIM_UINT32:
         *(UINT32 *)ptr = val;
         break;
     case CIM_SINT64:
         *(INT64 *)ptr = val;
         break;
     case CIM_UINT64:
         *(UINT64 *)ptr = val;
         break;
     default:
         FIXME("unhandled column type %u\n", type);
         return WBEM_E_FAILED;
     }
     return S_OK;
 }

 static void clear_table( struct table *table )
 {
     UINT i, j, type;
     LONGLONG val;

     if (!table->data) return;

     for (i = 0; i < table->num_rows; i++)
     {
         for (j = 0; j < table->num_cols; j++)
         {
             if (!(table->columns[j].type & COL_FLAG_DYNAMIC)) continue;

             type = table->columns[j].type & COL_TYPE_MASK;
             if (type == CIM_STRING || type == CIM_DATETIME || (type & CIM_FLAG_ARRAY))
             {
                 if (get_value( table, i, j, &val ) == S_OK) heap_free( (void *)(INT_PTR)val );
             }
         }
     }
     if (table->fill)
     {
         table->num_rows = 0;
         heap_free( table->data );
         table->data = NULL;
     }
 }

 void free_columns( struct column *columns, UINT num_cols )
 {
     UINT i;

     for (i = 0; i < num_cols; i++)
     {
         heap_free( (WCHAR *)columns[i].name );
     }
     heap_free( columns );
 }

 void free_table( struct table *table )
 {
     if (!table) return;

     clear_table( table );
     if (table->flags & TABLE_FLAG_DYNAMIC)
     {
         heap_free( (WCHAR *)table->name );
         free_columns( (struct column *)table->columns, table->num_cols );
         heap_free( table );
     }
 }

 struct table *get_table( const WCHAR *name )
 {
     struct table *table;

     LIST_FOR_EACH_ENTRY( table, table_list, struct table, entry )
     {
         if (!strcmpiW( table->name, name ))
         {
             if (table->fill && !table->data) table->fill( table );
             return table;
         }
     }
     return NULL;
 }

 struct table *create_table( const WCHAR *name, UINT num_cols, const struct column *columns,
                             UINT num_rows, BYTE *data, void (*fill)(struct table *) )
 {
     struct table *table;

     if (!(table = heap_alloc( sizeof(*table) ))) return NULL;
     table->name     = name;
     table->num_cols = num_cols;
     table->columns  = columns;
     table->num_rows = num_rows;
     table->data     = data;
     table->fill     = fill;
     table->flags    = TABLE_FLAG_DYNAMIC;
     return table;
 }

 BOOL add_table( struct table *table )
 {
     struct table *iter;

     LIST_FOR_EACH_ENTRY( iter, table_list, struct table, entry )
     {
         if (!strcmpiW( iter->name, table->name ))
         {
             TRACE("table %s already exists\n", debugstr_w(table->name));
             return FALSE;
         }
     }
     list_add_tail( table_list, &table->entry );
     return TRUE;
 }

 const WCHAR *get_method_name( const WCHAR *class, UINT index )
 {
     struct table *table;
     UINT i, count = 0;

     if (!(table = get_table( class ))) return NULL;

     for (i = 0; i < table->num_cols; i++)
     {
         if (table->columns[i].type & COL_FLAG_METHOD)
         {
             if (index == count) return table->columns[i].name;
             count++;
         }
     }
     return NULL;
 }

 const WCHAR *get_property_name( const WCHAR *class, UINT index )
 {
     struct table *table;
     UINT i, count = 0;

     if (!(table = get_table( class ))) return NULL;

     for (i = 0; i < table->num_cols; i++)
     {
         if (!(table->columns[i].type & COL_FLAG_METHOD))
         {
             if (index == count) return table->columns[i].name;
             count++;
         }
     }
     return NULL;
 }
	/*
	* Copyright 2012 Hans Leidekker for CodeWeavers
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#define COBJMACROS

	#include "config.h"
	#include <stdarg.h>

	#include "windef.h"
	#include "winbase.h"
	#include "wbemcli.h"

	#include "wine/debug.h"
	#include "wbemprox_private.h"

	WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);

	HRESULT get_column_index( const struct table table, const WCHAR name, UINT *column )
	{
	UINT i;
	for (i = 0; i < table->num_cols; i++)
	{
	if (!strcmpiW( table->columns[i].name, name ))
	{
	*column = i;
	return S_OK;
	}
	}
	return WBEM_E_INVALID_QUERY;
	}

	UINT get_type_size( CIMTYPE type )
	{
	if (type & CIM_FLAG_ARRAY) return sizeof(void *);

	switch (type)
	{
	case CIM_BOOLEAN:
	return sizeof(int);
	case CIM_SINT16:
	case CIM_UINT16:
	return sizeof(INT16);
	case CIM_SINT32:
	case CIM_UINT32:
	return sizeof(INT32);
	case CIM_SINT64:
	case CIM_UINT64:
	return sizeof(INT64);
	case CIM_DATETIME:
	case CIM_STRING:
	return sizeof(WCHAR *);
	default:
	ERR("unhandled type %u\n", type);
	break;
	}
	return sizeof(LONGLONG);
	}

	static UINT get_column_size( const struct table *table, UINT column )
	{
	return get_type_size( table->columns[column].type & COL_TYPE_MASK );
	}

	static UINT get_column_offset( const struct table *table, UINT column )
	{
	UINT i, offset = 0;
	for (i = 0; i < column; i++) offset += get_column_size( table, i );
	return offset;
	}

	static UINT get_row_size( const struct table *table )
	{
	return get_column_offset( table, table->num_cols - 1 ) + get_column_size( table, table->num_cols - 1 );
	}

	HRESULT get_value( const struct table table, UINT row, UINT column, LONGLONG val )
	{
	UINT col_offset, row_size;
	const BYTE *ptr;

	col_offset = get_column_offset( table, column );
	row_size = get_row_size( table );
	ptr = table->data + row * row_size + col_offset;

	if (table->columns[column].type & CIM_FLAG_ARRAY)
	{
	val = (LONGLONG)(INT_PTR)(const void **)ptr;
	return S_OK;
	}
	switch (table->columns[column].type & COL_TYPE_MASK)
	{
	case CIM_BOOLEAN:
	val = (const int *)ptr;
	break;
	case CIM_DATETIME:
	case CIM_STRING:
	val = (LONGLONG)(INT_PTR)(const WCHAR **)ptr;
	break;
	case CIM_SINT16:
	val = (const INT16 *)ptr;
	break;
	case CIM_UINT16:
	val = (const UINT16 *)ptr;
	break;
	case CIM_SINT32:
	val = (const INT32 *)ptr;
	break;
	case CIM_UINT32:
	val = (const UINT32 *)ptr;
	break;
	case CIM_SINT64:
	val = (const INT64 *)ptr;
	break;
	case CIM_UINT64:
	val = (const UINT64 *)ptr;
	break;
	default:
	ERR("invalid column type %u\n", table->columns[column].type & COL_TYPE_MASK);
	*val = 0;
	break;
	}
	return S_OK;
	}

	BSTR get_value_bstr( const struct table *table, UINT row, UINT column )
	{
	static const WCHAR fmt_signedW[] = {'%','d',0};
	static const WCHAR fmt_unsignedW[] = {'%','u',0};
	static const WCHAR fmt_signed64W[] = {'%','I','6','4','d',0};
	static const WCHAR fmt_unsigned64W[] = {'%','I','6','4','u',0};
	static const WCHAR fmt_strW[] = {'\"','%','s','\"',0};
	LONGLONG val;
	BSTR ret;
	WCHAR number[22];
	UINT len;

	if (table->columns[column].type & CIM_FLAG_ARRAY)
	{
	FIXME("array to string conversion not handled\n");
	return NULL;
	}
	if (get_value( table, row, column, &val ) != S_OK) return NULL;

	switch (table->columns[column].type & COL_TYPE_MASK)
	{
	case CIM_DATETIME:
	case CIM_STRING:
	len = strlenW( (const WCHAR *)(INT_PTR)val ) + 2;
	if (!(ret = SysAllocStringLen( NULL, len ))) return NULL;
	sprintfW( ret, fmt_strW, (const WCHAR *)(INT_PTR)val );
	return ret;

	case CIM_SINT16:
	case CIM_SINT32:
	sprintfW( number, fmt_signedW, val );
	return SysAllocString( number );

	case CIM_UINT16:
	case CIM_UINT32:
	sprintfW( number, fmt_unsignedW, val );
	return SysAllocString( number );

	case CIM_SINT64:
	wsprintfW( number, fmt_signed64W, val );
	return SysAllocString( number );

	case CIM_UINT64:
	wsprintfW( number, fmt_unsigned64W, val );
	return SysAllocString( number );

	default:
	FIXME("unhandled column type %u\n", table->columns[column].type & COL_TYPE_MASK);
	break;
	}
	return NULL;
	}

	HRESULT set_value( const struct table *table, UINT row, UINT column, LONGLONG val,
	CIMTYPE type )
	{
	UINT col_offset, row_size;
	BYTE *ptr;

	if ((table->columns[column].type & COL_TYPE_MASK) != type) return WBEM_E_TYPE_MISMATCH;

	col_offset = get_column_offset( table, column );
	row_size = get_row_size( table );
	ptr = table->data + row * row_size + col_offset;

	switch (table->columns[column].type & COL_TYPE_MASK)
	{
	case CIM_DATETIME:
	case CIM_STRING:
	(WCHAR )ptr = (WCHAR )(INT_PTR)val;
	break;
	case CIM_SINT16:
	(INT16 )ptr = val;
	break;
	case CIM_UINT16:
	(UINT16 )ptr = val;
	break;
	case CIM_SINT32:
	(INT32 )ptr = val;
	break;
	case CIM_UINT32:
	(UINT32 )ptr = val;
	break;
	case CIM_SINT64:
	(INT64 )ptr = val;
	break;
	case CIM_UINT64:
	(UINT64 )ptr = val;
	break;
	default:
	FIXME("unhandled column type %u\n", type);
	return WBEM_E_FAILED;
	}
	return S_OK;
	}

	static void clear_table( struct table *table )
	{
	UINT i, j, type;
	LONGLONG val;

	if (!table->data) return;

	for (i = 0; i < table->num_rows; i++)
	{
	for (j = 0; j < table->num_cols; j++)
	{
	if (!(table->columns[j].type & COL_FLAG_DYNAMIC)) continue;

	type = table->columns[j].type & COL_TYPE_MASK;
	if (type == CIM_STRING \|\| type == CIM_DATETIME \|\| (type & CIM_FLAG_ARRAY))
	{
	if (get_value( table, i, j, &val ) == S_OK) heap_free( (void *)(INT_PTR)val );
	}
	}
	}
	if (table->fill)
	{
	table->num_rows = 0;
	heap_free( table->data );
	table->data = NULL;
	}
	}

	void free_columns( struct column *columns, UINT num_cols )
	{
	UINT i;

	for (i = 0; i < num_cols; i++)
	{
	heap_free( (WCHAR *)columns[i].name );
	}
	heap_free( columns );
	}

	void free_table( struct table *table )
	{
	if (!table) return;

	clear_table( table );
	if (table->flags & TABLE_FLAG_DYNAMIC)
	{
	heap_free( (WCHAR *)table->name );
	free_columns( (struct column *)table->columns, table->num_cols );
	heap_free( table );
	}
	}

	struct table get_table( const WCHAR name )
	{
	struct table *table;

	LIST_FOR_EACH_ENTRY( table, table_list, struct table, entry )
	{
	if (!strcmpiW( table->name, name ))
	{
	if (table->fill && !table->data) table->fill( table );
	return table;
	}
	}
	return NULL;
	}

	struct table create_table( const WCHAR name, UINT num_cols, const struct column *columns,
	UINT num_rows, BYTE data, void (fill)(struct table *) )
	{
	struct table *table;

	if (!(table = heap_alloc( sizeof(*table) ))) return NULL;
	table->name = name;
	table->num_cols = num_cols;
	table->columns = columns;
	table->num_rows = num_rows;
	table->data = data;
	table->fill = fill;
	table->flags = TABLE_FLAG_DYNAMIC;
	return table;
	}

	BOOL add_table( struct table *table )
	{
	struct table *iter;

	LIST_FOR_EACH_ENTRY( iter, table_list, struct table, entry )
	{
	if (!strcmpiW( iter->name, table->name ))
	{
	TRACE("table %s already exists\n", debugstr_w(table->name));
	return FALSE;
	}
	}
	list_add_tail( table_list, &table->entry );
	return TRUE;
	}

	const WCHAR get_method_name( const WCHAR class, UINT index )
	{
	struct table *table;
	UINT i, count = 0;

	if (!(table = get_table( class ))) return NULL;

	for (i = 0; i < table->num_cols; i++)
	{
	if (table->columns[i].type & COL_FLAG_METHOD)
	{
	if (index == count) return table->columns[i].name;
	count++;
	}
	}
	return NULL;
	}

	const WCHAR get_property_name( const WCHAR class, UINT index )
	{
	struct table *table;
	UINT i, count = 0;

	if (!(table = get_table( class ))) return NULL;

	for (i = 0; i < table->num_cols; i++)
	{
	if (!(table->columns[i].type & COL_FLAG_METHOD))
	{
	if (index == count) return table->columns[i].name;
	count++;
	}
	}
	return NULL;
	}