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Sweden-Number/dlls/msi/msiquery.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2002-2005 Mike McCormack 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "msi.h"
#include "msiquery.h"
#include "objbase.h"
#include "objidl.h"
#include "msipriv.h"
#include "winnls.h"
#include "query.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
static void MSI_CloseView( MSIOBJECTHDR *arg )
{
MSIQUERY *query = (MSIQUERY*) arg;
struct list *ptr, *t;
if( query->view && query->view->ops->delete )
query->view->ops->delete( query->view );
msiobj_release( &query->db->hdr );
LIST_FOR_EACH_SAFE( ptr, t, &query->mem )
{
HeapFree( GetProcessHeap(), 0, ptr );
}
}
UINT VIEW_find_column( MSIVIEW *table, LPCWSTR name, UINT *n )
{
LPWSTR col_name;
UINT i, count, r;
r = table->ops->get_dimensions( table, NULL, &count );
if( r != ERROR_SUCCESS )
return r;
for( i=1; i<=count; i++ )
{
INT x;
col_name = NULL;
r = table->ops->get_column_info( table, i, &col_name, NULL );
if( r != ERROR_SUCCESS )
return r;
x = lstrcmpW( name, col_name );
HeapFree( GetProcessHeap(), 0, col_name );
if( !x )
{
*n = i;
return ERROR_SUCCESS;
}
}
return ERROR_INVALID_PARAMETER;
}
UINT WINAPI MsiDatabaseOpenViewA(MSIHANDLE hdb,
LPCSTR szQuery, MSIHANDLE *phView)
{
UINT r;
LPWSTR szwQuery;
TRACE("%ld %s %p\n", hdb, debugstr_a(szQuery), phView);
if( szQuery )
{
szwQuery = strdupAtoW( szQuery );
if( !szwQuery )
return ERROR_FUNCTION_FAILED;
}
else
szwQuery = NULL;
r = MsiDatabaseOpenViewW( hdb, szwQuery, phView);
HeapFree( GetProcessHeap(), 0, szwQuery );
return r;
}
UINT MSI_DatabaseOpenViewW(MSIDATABASE *db,
LPCWSTR szQuery, MSIQUERY **pView)
{
MSIQUERY *query;
UINT r;
TRACE("%s %p\n", debugstr_w(szQuery), pView);
if( !szQuery)
return ERROR_INVALID_PARAMETER;
/* pre allocate a handle to hold a pointer to the view */
query = alloc_msiobject( MSIHANDLETYPE_VIEW, sizeof (MSIQUERY),
MSI_CloseView );
if( !query )
return ERROR_FUNCTION_FAILED;
msiobj_addref( &db->hdr );
query->row = 0;
query->db = db;
query->view = NULL;
list_init( &query->mem );
r = MSI_ParseSQL( db, szQuery, &query->view, &query->mem );
if( r == ERROR_SUCCESS )
{
msiobj_addref( &query->hdr );
*pView = query;
}
msiobj_release( &query->hdr );
return r;
}
static UINT MSI_OpenQueryV( MSIDATABASE *db, MSIQUERY **view,
LPCWSTR fmt, va_list args )
{
LPWSTR szQuery;
LPCWSTR p;
UINT sz, rc;
va_list va;
/* figure out how much space we need to allocate */
va = args;
sz = lstrlenW(fmt) + 1;
p = fmt;
while (*p)
{
p = strchrW(p, '%');
if (!p)
break;
p++;
switch (*p)
{
case 's': /* a string */
sz += lstrlenW(va_arg(va,LPCWSTR));
break;
case 'd':
case 'i': /* an integer -2147483648 seems to be longest */
sz += 3*sizeof(int);
(void)va_arg(va,int);
break;
case '%': /* a single % - leave it alone */
break;
default:
FIXME("Unhandled character type %c\n",*p);
}
p++;
}
/* construct the string */
szQuery = HeapAlloc(GetProcessHeap(), 0, sz*sizeof(WCHAR));
va = args;
vsnprintfW(szQuery, sz, fmt, va);
/* perform the query */
rc = MSI_DatabaseOpenViewW(db, szQuery, view);
HeapFree(GetProcessHeap(), 0, szQuery);
return rc;
}
UINT MSI_OpenQuery( MSIDATABASE *db, MSIQUERY **view, LPCWSTR fmt, ... )
{
UINT r;
va_list va;
va_start(va, fmt);
r = MSI_OpenQueryV( db, view, fmt, va );
va_end(va);
return r;
}
UINT MSI_IterateRecords( MSIQUERY *view, DWORD *count,
record_func func, LPVOID param )
{
MSIRECORD *rec = NULL;
UINT r, n = 0, max = 0;
r = MSI_ViewExecute( view, NULL );
if( r != ERROR_SUCCESS )
return r;
if( count )
max = *count;
/* iterate a query */
for( n = 0; (max == 0) || (n < max); n++ )
{
r = MSI_ViewFetch( view, &rec );
if( r != ERROR_SUCCESS )
break;
r = func( rec, param );
msiobj_release( &rec->hdr );
if( r != ERROR_SUCCESS )
break;
}
MSI_ViewClose( view );
if( count )
*count = n;
if( r == ERROR_NO_MORE_ITEMS )
r = ERROR_SUCCESS;
return r;
}
/* return a single record from a query */
MSIRECORD *MSI_QueryGetRecord( MSIDATABASE *db, LPCWSTR fmt, ... )
{
MSIRECORD *rec = NULL;
MSIQUERY *view = NULL;
UINT r;
va_list va;
va_start(va, fmt);
r = MSI_OpenQueryV( db, &view, fmt, va );
va_end(va);
if( r == ERROR_SUCCESS )
{
MSI_ViewExecute( view, NULL );
MSI_ViewFetch( view, &rec );
MSI_ViewClose( view );
msiobj_release( &view->hdr );
}
return rec;
}
UINT WINAPI MsiDatabaseOpenViewW(MSIHANDLE hdb,
LPCWSTR szQuery, MSIHANDLE *phView)
{
MSIDATABASE *db;
MSIQUERY *query = NULL;
UINT ret;
TRACE("%s %p\n", debugstr_w(szQuery), phView);
db = msihandle2msiinfo( hdb, MSIHANDLETYPE_DATABASE );
if( !db )
return ERROR_INVALID_HANDLE;
ret = MSI_DatabaseOpenViewW( db, szQuery, &query );
if( ret == ERROR_SUCCESS )
{
*phView = alloc_msihandle( &query->hdr );
msiobj_release( &query->hdr );
}
msiobj_release( &db->hdr );
return ret;
}
UINT MSI_ViewFetch(MSIQUERY *query, MSIRECORD **prec)
{
MSIVIEW *view;
MSIRECORD *rec;
UINT row_count = 0, col_count = 0, i, ival, ret, type;
TRACE("%p %p\n", query, prec );
view = query->view;
if( !view )
return ERROR_FUNCTION_FAILED;
ret = view->ops->get_dimensions( view, &row_count, &col_count );
if( ret )
return ret;
if( !col_count )
return ERROR_INVALID_PARAMETER;
if( query->row >= row_count )
return ERROR_NO_MORE_ITEMS;
rec = MSI_CreateRecord( col_count );
if( !rec )
return ERROR_FUNCTION_FAILED;
for( i=1; i<=col_count; i++ )
{
ret = view->ops->get_column_info( view, i, NULL, &type );
if( ret )
{
ERR("Error getting column type for %d\n", i );
continue;
}
if (( type != MSITYPE_BINARY) && (type != (MSITYPE_BINARY |
MSITYPE_NULLABLE)))
{
ret = view->ops->fetch_int( view, query->row, i, &ival );
if( ret )
{
ERR("Error fetching data for %d\n", i );
continue;
}
if( ! (type & MSITYPE_VALID ) )
ERR("Invalid type!\n");
/* check if it's nul (0) - if so, don't set anything */
if( !ival )
continue;
if( type & MSITYPE_STRING )
{
LPWSTR sval;
sval = MSI_makestring( query->db, ival );
MSI_RecordSetStringW( rec, i, sval );
HeapFree( GetProcessHeap(), 0, sval );
}
else
{
if( (type & MSI_DATASIZEMASK) == 2 )
MSI_RecordSetInteger( rec, i, ival - (1<<15) );
else
MSI_RecordSetInteger( rec, i, ival - (1<<31) );
}
}
else
{
IStream *stm = NULL;
ret = view->ops->fetch_stream( view, query->row, i, &stm );
if( ( ret == ERROR_SUCCESS ) && stm )
{
MSI_RecordSetIStream( rec, i, stm );
IStream_Release( stm );
}
else
ERR("failed to get stream\n");
}
}
query->row ++;
*prec = rec;
return ERROR_SUCCESS;
}
UINT WINAPI MsiViewFetch(MSIHANDLE hView, MSIHANDLE *record)
{
MSIQUERY *query;
MSIRECORD *rec = NULL;
UINT ret;
TRACE("%ld %p\n", hView, record);
query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
if( !query )
return ERROR_INVALID_HANDLE;
ret = MSI_ViewFetch( query, &rec );
if( ret == ERROR_SUCCESS )
{
*record = alloc_msihandle( &rec->hdr );
msiobj_release( &rec->hdr );
}
msiobj_release( &query->hdr );
return ret;
}
UINT MSI_ViewClose(MSIQUERY *query)
{
MSIVIEW *view;
TRACE("%p\n", query );
view = query->view;
if( !view )
return ERROR_FUNCTION_FAILED;
if( !view->ops->close )
return ERROR_FUNCTION_FAILED;
return view->ops->close( view );
}
UINT WINAPI MsiViewClose(MSIHANDLE hView)
{
MSIQUERY *query;
UINT ret;
TRACE("%ld\n", hView );
query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
if( !query )
return ERROR_INVALID_HANDLE;
ret = MSI_ViewClose( query );
msiobj_release( &query->hdr );
return ret;
}
UINT MSI_ViewExecute(MSIQUERY *query, MSIRECORD *rec )
{
MSIVIEW *view;
TRACE("%p %p\n", query, rec);
view = query->view;
if( !view )
return ERROR_FUNCTION_FAILED;
if( !view->ops->execute )
return ERROR_FUNCTION_FAILED;
query->row = 0;
return view->ops->execute( view, rec );
}
UINT WINAPI MsiViewExecute(MSIHANDLE hView, MSIHANDLE hRec)
{
MSIQUERY *query;
MSIRECORD *rec = NULL;
UINT ret;
TRACE("%ld %ld\n", hView, hRec);
query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
if( !query )
return ERROR_INVALID_HANDLE;
if( hRec )
{
rec = msihandle2msiinfo( hRec, MSIHANDLETYPE_RECORD );
if( !rec )
{
ret = ERROR_INVALID_HANDLE;
goto out;
}
}
msiobj_lock( &rec->hdr );
ret = MSI_ViewExecute( query, rec );
msiobj_unlock( &rec->hdr );
out:
msiobj_release( &query->hdr );
if( rec )
msiobj_release( &rec->hdr );
return ret;
}
UINT WINAPI MsiViewGetColumnInfo(MSIHANDLE hView, MSICOLINFO info, MSIHANDLE *hRec)
{
MSIVIEW *view = NULL;
MSIQUERY *query = NULL;
MSIRECORD *rec = NULL;
UINT r = ERROR_FUNCTION_FAILED, i, count = 0, type;
LPWSTR name;
TRACE("%ld %d %p\n", hView, info, hRec);
query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
if( !query )
return ERROR_INVALID_HANDLE;
view = query->view;
if( !view )
goto out;
if( !view->ops->get_dimensions )
goto out;
r = view->ops->get_dimensions( view, NULL, &count );
if( r )
goto out;
if( !count )
{
r = ERROR_INVALID_PARAMETER;
goto out;
}
rec = MSI_CreateRecord( count );
if( !rec )
{
r = ERROR_FUNCTION_FAILED;
goto out;
}
for( i=0; i<count; i++ )
{
name = NULL;
r = view->ops->get_column_info( view, i+1, &name, &type );
if( r != ERROR_SUCCESS )
continue;
MSI_RecordSetStringW( rec, i+1, name );
HeapFree( GetProcessHeap(), 0, name );
}
*hRec = alloc_msihandle( &rec->hdr );
out:
msiobj_release( &query->hdr );
if( rec )
msiobj_release( &rec->hdr );
return r;
}
UINT WINAPI MsiViewModify( MSIHANDLE hView, MSIMODIFY eModifyMode,
MSIHANDLE hRecord)
{
MSIVIEW *view = NULL;
MSIQUERY *query = NULL;
MSIRECORD *rec = NULL;
UINT r = ERROR_FUNCTION_FAILED;
TRACE("%ld %x %ld\n", hView, eModifyMode, hRecord);
query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
if( !query )
return ERROR_INVALID_HANDLE;
view = query->view;
if( !view )
goto out;
if( !view->ops->modify )
goto out;
rec = msihandle2msiinfo( hRecord, MSIHANDLETYPE_RECORD );
if( !rec )
{
r = ERROR_INVALID_HANDLE;
goto out;
}
r = view->ops->modify( view, eModifyMode, rec );
out:
msiobj_release( &query->hdr );
if( rec )
msiobj_release( &rec->hdr );
return r;
}
UINT WINAPI MsiDatabaseApplyTransformA( MSIHANDLE hdb,
LPCSTR szTransformFile, int iErrorCond)
{
FIXME("%ld %s %d\n", hdb, debugstr_a(szTransformFile), iErrorCond);
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiDatabaseApplyTransformW( MSIHANDLE hdb,
LPCWSTR szTransformFile, int iErrorCond)
{
FIXME("%ld %s %d\n", hdb, debugstr_w(szTransformFile), iErrorCond);
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiDatabaseGenerateTransformA( MSIHANDLE hdb, MSIHANDLE hdbref,
LPCSTR szTransformFile, int iReserved1, int iReserved2 )
{
FIXME("%ld %ld %s %d %d\n", hdb, hdbref,
debugstr_a(szTransformFile), iReserved1, iReserved2);
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiDatabaseGenerateTransformW( MSIHANDLE hdb, MSIHANDLE hdbref,
LPCWSTR szTransformFile, int iReserved1, int iReserved2 )
{
FIXME("%ld %ld %s %d %d\n", hdb, hdbref,
debugstr_w(szTransformFile), iReserved1, iReserved2);
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiDatabaseCommit( MSIHANDLE hdb )
{
MSIDATABASE *db;
UINT r;
TRACE("%ld\n", hdb);
db = msihandle2msiinfo( hdb, MSIHANDLETYPE_DATABASE );
if( !db )
return ERROR_INVALID_HANDLE;
/* FIXME: lock the database */
r = MSI_CommitTables( db );
/* FIXME: unlock the database */
msiobj_release( &db->hdr );
return r;
}
struct msi_primary_key_record_info
{
DWORD n;
MSIRECORD *rec;
};
static UINT msi_primary_key_iterator( MSIRECORD *rec, LPVOID param )
{
struct msi_primary_key_record_info *info = param;
LPCWSTR name;
DWORD type;
type = MSI_RecordGetInteger( rec, 4 );
if( type & MSITYPE_KEY )
{
info->n++;
if( info->rec )
{
name = MSI_RecordGetString( rec, 3 );
MSI_RecordSetStringW( info->rec, info->n, name );
}
}
return ERROR_SUCCESS;
}
UINT MSI_DatabaseGetPrimaryKeys( MSIDATABASE *db,
LPCWSTR table, MSIRECORD **prec )
{
static const WCHAR sql[] = {
's','e','l','e','c','t',' ','*',' ',
'f','r','o','m',' ','`','_','C','o','l','u','m','n','s','`',' ',
'w','h','e','r','e',' ',
'`','T','a','b','l','e','`',' ','=',' ','\'','%','s','\'',0 };
struct msi_primary_key_record_info info;
MSIQUERY *query = NULL;
MSIVIEW *view;
UINT r;
r = MSI_OpenQuery( db, &query, sql, table );
if( r != ERROR_SUCCESS )
return r;
view = query->view;
/* count the number of primary key records */
info.n = 0;
info.rec = 0;
r = MSI_IterateRecords( query, 0, msi_primary_key_iterator, &info );
if( r == ERROR_SUCCESS )
{
TRACE("Found %ld primary keys\n", info.n );
/* allocate a record and fill in the names of the tables */
info.rec = MSI_CreateRecord( info.n );
info.n = 0;
r = MSI_IterateRecords( query, 0, msi_primary_key_iterator, &info );
if( r == ERROR_SUCCESS )
*prec = info.rec;
else
msiobj_release( &info.rec->hdr );
}
msiobj_release( &query->hdr );
return r;
}
UINT WINAPI MsiDatabaseGetPrimaryKeysW( MSIHANDLE hdb,
LPCWSTR table, MSIHANDLE* phRec )
{
MSIRECORD *rec = NULL;
MSIDATABASE *db;
UINT r;
TRACE("%ld %s %p\n", hdb, debugstr_w(table), phRec);
db = msihandle2msiinfo( hdb, MSIHANDLETYPE_DATABASE );
if( !db )
return ERROR_INVALID_HANDLE;
r = MSI_DatabaseGetPrimaryKeys( db, table, &rec );
if( r == ERROR_SUCCESS )
{
*phRec = alloc_msihandle( &rec->hdr );
msiobj_release( &rec->hdr );
}
msiobj_release( &db->hdr );
return r;
}
UINT WINAPI MsiDatabaseGetPrimaryKeysA(MSIHANDLE hdb,
LPCSTR table, MSIHANDLE* phRec)
{
LPWSTR szwTable = NULL;
UINT r;
TRACE("%ld %s %p\n", hdb, debugstr_a(table), phRec);
if( table )
{
szwTable = strdupAtoW( table );
if( !szwTable )
return ERROR_OUTOFMEMORY;
}
r = MsiDatabaseGetPrimaryKeysW( hdb, szwTable, phRec );
HeapFree( GetProcessHeap(), 0, szwTable );
return r;
}
UINT WINAPI MsiDatabaseIsTablePersistentA(
MSIHANDLE hDatabase, LPSTR szTableName)
{
FIXME("%lx %s\n", hDatabase, debugstr_a(szTableName));
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiDatabaseIsTablePersistentW(
MSIHANDLE hDatabase, LPWSTR szTableName)
{
FIXME("%lx %s\n", hDatabase, debugstr_w(szTableName));
return ERROR_CALL_NOT_IMPLEMENTED;
}
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