Sweden-Number/dlls/msi/record.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2002 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>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winerror.h"
#include "wine/debug.h"
#include "msi.h"
#include "msiquery.h"
#include "msipriv.h"
#include "objidl.h"
#include "winnls.h"
#include "query.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
#define MSIFIELD_NULL 0
#define MSIFIELD_INT 1
#define MSIFIELD_STR 2
#define MSIFIELD_WSTR 3
#define MSIFIELD_STREAM 4
/* maybe we can use a Variant instead of doing it ourselves? */
typedef struct tagMSIFIELD
{
UINT type;
union
{
INT iVal;
LPWSTR szwVal;
IStream *stream;
} u;
} MSIFIELD;
typedef struct tagMSIRECORD
{
UINT count; /* as passed to MsiCreateRecord */
MSIFIELD fields[1]; /* nb. array size is count+1 */
} MSIRECORD;
void MSI_FreeField( MSIFIELD *field )
{
switch( field->type )
{
case MSIFIELD_NULL:
case MSIFIELD_INT:
break;
case MSIFIELD_WSTR:
HeapFree( GetProcessHeap(), 0, field->u.szwVal);
break;
case MSIFIELD_STREAM:
IStream_Release( field->u.stream );
break;
default:
ERR("Invalid field type %d\n", field->type);
}
}
void MSI_CloseRecord( VOID *arg )
{
MSIRECORD *rec = (MSIRECORD *) arg;
UINT i;
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for( i=0; i<=rec->count; i++ )
MSI_FreeField( &rec->fields[i] );
}
MSIHANDLE WINAPI MsiCreateRecord( unsigned int cParams )
{
MSIHANDLE handle = 0;
UINT sz;
MSIRECORD *rec;
TRACE("%d\n", cParams);
sz = sizeof (MSIRECORD) + sizeof(MSIFIELD)*(cParams+1) ;
handle = alloc_msihandle( MSIHANDLETYPE_RECORD, sz,
MSI_CloseRecord, (void**) &rec );
if( !handle )
return 0;
rec->count = cParams;
return handle;
}
unsigned int WINAPI MsiRecordGetFieldCount( MSIHANDLE handle )
{
MSIRECORD *rec;
TRACE("%ld\n", handle );
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
{
ERR("Record not found!\n");
return 0;
}
return rec->count;
}
static BOOL string2intW( LPCWSTR str, int *out )
{
int x = 0;
LPCWSTR p = str;
if( *p == '-' ) /* skip the minus sign */
p++;
while ( *p )
{
if( (*p < '0') || (*p > '9') )
return FALSE;
x *= 10;
x += (*p - '0');
p++;
}
if( str[0] == '-' ) /* check if it's negative */
x = -x;
*out = x;
return TRUE;
}
int WINAPI MsiRecordGetInteger( MSIHANDLE handle, unsigned int iField)
{
MSIRECORD *rec;
int ret = 0;
TRACE("%ld %d\n", handle, iField );
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return MSI_NULL_INTEGER;
if( iField > rec->count )
return MSI_NULL_INTEGER;
switch( rec->fields[iField].type )
{
case MSIFIELD_INT:
return rec->fields[iField].u.iVal;
case MSIFIELD_WSTR:
if( string2intW( rec->fields[iField].u.szwVal, &ret ) )
return ret;
return MSI_NULL_INTEGER;
default:
break;
}
return MSI_NULL_INTEGER;
}
UINT WINAPI MsiRecordClearData( MSIHANDLE handle )
{
MSIRECORD *rec;
UINT i;
TRACE("%ld\n", handle );
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
for( i=0; i<=rec->count; i++)
{
MSI_FreeField( &rec->fields[i] );
rec->fields[i].type = MSIFIELD_NULL;
rec->fields[i].u.iVal = 0;
}
return ERROR_SUCCESS;
}
UINT WINAPI MsiRecordSetInteger( MSIHANDLE handle, unsigned int iField, int iVal )
{
MSIRECORD *rec;
TRACE("%ld %u %d\n", handle,iField, iVal);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
if( iField <= rec->count )
{
MSI_FreeField( &rec->fields[iField] );
rec->fields[iField].type = MSIFIELD_INT;
rec->fields[iField].u.iVal = iVal;
}
return ERROR_SUCCESS;
}
BOOL WINAPI MsiRecordIsNull( MSIHANDLE handle, unsigned int iField )
{
MSIRECORD *rec;
BOOL r = TRUE;
TRACE("%ld %d\n", handle,iField );
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
r = ( iField > rec->count ) ||
( rec->fields[iField].type == MSIFIELD_NULL );
return r;
}
UINT WINAPI MsiRecordGetStringA(MSIHANDLE handle, unsigned int iField,
LPSTR szValue, DWORD *pcchValue)
{
MSIRECORD *rec;
UINT len=0, ret;
CHAR buffer[16];
TRACE("%ld %d %p %p\n", handle, iField, szValue, pcchValue);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
if( iField > rec->count )
return ERROR_INVALID_PARAMETER;
ret = ERROR_SUCCESS;
switch( rec->fields[iField].type )
{
case MSIFIELD_INT:
wsprintfA(buffer, "%d", rec->fields[iField].u.iVal);
len = lstrlenA( buffer );
lstrcpynA(szValue, buffer, *pcchValue);
break;
case MSIFIELD_WSTR:
len = WideCharToMultiByte( CP_ACP, 0, rec->fields[iField].u.szwVal, -1,
NULL, 0 , NULL, NULL);
WideCharToMultiByte( CP_ACP, 0, rec->fields[iField].u.szwVal, -1,
szValue, *pcchValue, NULL, NULL);
break;
case MSIFIELD_NULL:
len = 1;
if( *pcchValue > 0 )
szValue[0] = 0;
default:
ret = ERROR_INVALID_PARAMETER;
break;
}
if( *pcchValue < len )
ret = ERROR_MORE_DATA;
*pcchValue = len;
return ret;
}
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const WCHAR *MSI_RecordGetString( MSIHANDLE handle, unsigned int iField )
{
MSIRECORD *rec;
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return NULL;
if( iField > rec->count )
return NULL;
if( rec->fields[iField].type != MSIFIELD_WSTR )
return NULL;
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return rec->fields[iField].u.szwVal;
}
UINT WINAPI MsiRecordGetStringW(MSIHANDLE handle, unsigned int iField,
LPWSTR szValue, DWORD *pcchValue)
{
MSIRECORD *rec;
UINT len=0, ret;
WCHAR buffer[16];
static const WCHAR szFormat[] = { '%','d',0 };
TRACE("%ld %d %p %p\n", handle, iField, szValue, pcchValue);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
if( iField > rec->count )
return ERROR_INVALID_PARAMETER;
ret = ERROR_SUCCESS;
switch( rec->fields[iField].type )
{
case MSIFIELD_INT:
wsprintfW(buffer, szFormat, rec->fields[iField].u.iVal);
len = lstrlenW( buffer );
lstrcpynW(szValue, buffer, *pcchValue);
break;
case MSIFIELD_WSTR:
len = lstrlenW( rec->fields[iField].u.szwVal );
lstrcpynW(szValue, rec->fields[iField].u.szwVal, *pcchValue);
break;
case MSIFIELD_NULL:
len = 1;
if( *pcchValue > 0 )
szValue[0] = 0;
default:
break;
}
if( *pcchValue < len )
ret = ERROR_MORE_DATA;
*pcchValue = len;
return ret;
}
UINT WINAPI MsiRecordDataSize(MSIHANDLE hRecord, unsigned int iField)
{
FIXME("%ld %d\n", hRecord, iField);
return 0;
}
UINT WINAPI MsiRecordSetStringA( MSIHANDLE handle, unsigned int iField, LPCSTR szValue )
{
MSIRECORD *rec;
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LPWSTR str;
UINT len;
TRACE("%ld %d %s\n", handle, iField, debugstr_a(szValue));
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
if( iField > rec->count )
return ERROR_INVALID_FIELD;
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len = MultiByteToWideChar( CP_ACP, 0, szValue, -1, NULL, 0 );
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str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, szValue, -1, str, len );
MSI_FreeField( &rec->fields[iField] );
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rec->fields[iField].type = MSIFIELD_WSTR;
rec->fields[iField].u.szwVal = str;
return 0;
}
UINT WINAPI MsiRecordSetStringW( MSIHANDLE handle, unsigned int iField, LPCWSTR szValue )
{
MSIRECORD *rec;
LPWSTR str;
TRACE("%ld %d %s\n", handle, iField, debugstr_w(szValue));
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
if( iField > rec->count )
return ERROR_INVALID_FIELD;
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str = HeapAlloc( GetProcessHeap(), 0, (lstrlenW(szValue) + 1)*sizeof (WCHAR));
lstrcpyW( str, szValue );
MSI_FreeField( &rec->fields[iField] );
rec->fields[iField].type = MSIFIELD_WSTR;
rec->fields[iField].u.szwVal = str;
return 0;
}
UINT WINAPI MsiFormatRecordA(MSIHANDLE hInstall, MSIHANDLE hRecord, LPSTR szResult, DWORD *sz)
{
FIXME("%ld %ld %p %p\n", hInstall, hRecord, szResult, sz);
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiFormatRecordW(MSIHANDLE hInstall, MSIHANDLE hRecord, LPWSTR szResult, DWORD *sz)
{
FIXME("%ld %ld %p %p\n", hInstall, hRecord, szResult, sz);
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiRecordSetStreamA(MSIHANDLE hRecord, unsigned int iField, LPCSTR szFilename)
{
FIXME("%ld %d %s\n", hRecord, iField, debugstr_a(szFilename));
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiRecordSetStreamW(MSIHANDLE hRecord, unsigned int iField, LPCWSTR szFilename)
{
FIXME("%ld %d %s\n", hRecord, iField, debugstr_w(szFilename));
return ERROR_CALL_NOT_IMPLEMENTED;
}
UINT WINAPI MsiRecordReadStream(MSIHANDLE handle, unsigned int iField, char *buf, DWORD *sz)
{
MSIRECORD *rec;
ULONG count;
HRESULT r;
IStream *stm;
TRACE("%ld %d %p %p\n", handle, iField, buf, sz);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
if( iField > rec->count )
return ERROR_INVALID_FIELD;
if( rec->fields[iField].type != MSIFIELD_STREAM )
return ERROR_INVALID_FIELD;
stm = rec->fields[iField].u.stream;
if( !stm )
return ERROR_INVALID_FIELD;
/* if there's no buffer pointer, calculate the length to the end */
if( !buf )
{
LARGE_INTEGER ofs;
ULARGE_INTEGER end, cur;
ofs.QuadPart = cur.QuadPart = 0;
end.QuadPart = 0;
r = IStream_Seek( stm, ofs, STREAM_SEEK_SET, &cur );
IStream_Seek( stm, ofs, STREAM_SEEK_END, &end );
ofs.QuadPart = cur.QuadPart;
IStream_Seek( stm, ofs, STREAM_SEEK_SET, &cur );
*sz = end.QuadPart - cur.QuadPart;
return ERROR_SUCCESS;
}
/* read the data */
count = 0;
r = IStream_Read( stm, buf, *sz, &count );
if( FAILED( r ) )
return ERROR_FUNCTION_FAILED;
*sz = count;
return ERROR_SUCCESS;
}
UINT WINAPI MSI_RecordSetIStream( MSIHANDLE handle, unsigned int iField, IStream *stm )
{
MSIRECORD *rec;
TRACE("%ld %d %p\n", handle, iField, stm);
rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD );
if( !rec )
return ERROR_INVALID_HANDLE;
if( iField > rec->count )
return ERROR_INVALID_FIELD;
MSI_FreeField( &rec->fields[iField] );
rec->fields[iField].type = MSIFIELD_STREAM;
rec->fields[iField].u.stream = stm;
IStream_AddRef( stm );
return ERROR_SUCCESS;
}