windows-nt/Source/XPSP1/NT/base/cluster/resdll/genscript/resourceobject.cpp
2020-09-26 16:20:57 +08:00

1237 lines
30 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000 Microsoft Corporation
//
// Module Name:
// ResourceObject.cpp
//
// Description:
// CResourceObject automation class implementation.
//
// Maintained By:
// gpease 08-FEB-2000
//
//////////////////////////////////////////////////////////////////////////////
#include "pch.h"
#include "ResourceObject.h"
DEFINE_THISCLASS( "CResourceObject" );
#define STATIC_AUTOMATION_METHODS 4
//////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
//////////////////////////////////////////////////////////////////////////////
CResourceObject::CResourceObject(
RESOURCE_HANDLE hResourceIn,
PLOG_EVENT_ROUTINE plerIn,
HKEY hkeyIn,
LPCWSTR pszNameIn
) :
m_hResource( hResourceIn ),
m_pler( plerIn ),
m_hkey( hkeyIn ),
m_pszName( pszNameIn )
{
TraceClsFunc( "CResourceObject\n" );
Assert( m_cRef == 0 );
AddRef( );
TraceFuncExit( );
}
//////////////////////////////////////////////////////////////////////////////
//
// Destructor
//
//////////////////////////////////////////////////////////////////////////////
CResourceObject::~CResourceObject()
{
TraceClsFunc( "~CResourceObject\n" );
// Don't free m_pszName.
// Don't close m_hkey.
TraceFuncExit( );
}
//****************************************************************************
//
// IUnknown
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CScriptResource::[IUnknown] QueryInterface(
// REFIID riid,
// LPVOID * ppv
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::QueryInterface(
REFIID riid,
void** ppUnk
)
{
TraceClsFunc( "[IUnknown] QueryInterface( )\n" );
HRESULT hr = E_NOINTERFACE;
*ppUnk = NULL;
if ( riid == IID_IUnknown )
{
*ppUnk = TraceInterface( __THISCLASS__, IUnknown, (IDispatchEx*) this, 0 );
hr = S_OK;
}
else if ( riid == IID_IDispatchEx )
{
*ppUnk = TraceInterface( __THISCLASS__, IDispatchEx, (IDispatchEx*) this, 0 );
hr = S_OK;
}
else if ( riid == IID_IDispatch )
{
*ppUnk = TraceInterface( __THISCLASS__, IDispatch, (IDispatchEx*) this, 0 );
hr = S_OK;
}
if ( hr == S_OK )
{
((IUnknown *) *ppUnk)->AddRef( );
}
QIRETURN( hr, riid );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_( ULONG )
// CScriptResource::[IUnknown] AddRef( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG)
CResourceObject::AddRef( )
{
TraceClsFunc( "[IUnknown] AddRef( )\n" );
InterlockedIncrement( &m_cRef );
RETURN( m_cRef );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_( ULONG )
// CScriptResource::[IUnknown] Release( void )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_(ULONG)
CResourceObject::Release( )
{
TraceClsFunc( "[IUnknown] Release( )\n" );
InterlockedDecrement( &m_cRef );
if ( m_cRef )
RETURN( m_cRef );
delete this;
RETURN( 0 );
}
//****************************************************************************
//
// IDispatch
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::GetTypeInfoCount (
// UINT * pctinfo // out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::GetTypeInfoCount (
UINT * pctinfo // out
)
{
TraceClsFunc( "[IDispatch] GetTypeInfoCount( )\n" );
*pctinfo = 0;
HRETURN( E_NOTIMPL );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::GetTypeInfo (
// UINT iTInfo, // in
// LCID lcid, // in
// ITypeInfo * * ppTInfo // out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::GetTypeInfo (
UINT iTInfo, // in
LCID lcid, // in
ITypeInfo * * ppTInfo // out
)
{
TraceClsFunc( "[IDispatch] GetTypeInfo( )\n" );
if ( !ppTInfo )
HRETURN( E_POINTER );
*ppTInfo = NULL;
HRETURN( E_NOTIMPL );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::GetIDsOfNames (
// REFIID riid, // in
// LPOLESTR * rgszNames, // in
// UINT cNames, // in
// LCID lcid, // in
// DISPID * rgDispId // out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::GetIDsOfNames (
REFIID riid, // in
LPOLESTR * rgszNames, // in
UINT cNames, // in
LCID lcid, // in
DISPID * rgDispId // out
)
{
TraceClsFunc( "[IDispatch] GetIDsOfName( )\n" );
ZeroMemory( rgDispId, cNames * sizeof(DISPID) );
HRETURN( E_NOTIMPL );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::Invoke (
// DISPID dispIdMember, // in
// REFIID riid, // in
// LCID lcid, // in
// WORD wFlags, // in
// DISPPARAMS *pDispParams, // out in
// VARIANT *pVarResult, // out
// EXCEPINFO *pExcepInfo, // out
// UINT *puArgErr // out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::Invoke (
DISPID dispIdMember, // in
REFIID riid, // in
LCID lcid, // in
WORD wFlags, // in
DISPPARAMS *pDispParams, // out in
VARIANT *pVarResult, // out
EXCEPINFO *pExcepInfo, // out
UINT *puArgErr // out
)
{
TraceClsFunc( "[IDispatch] Invoke( )\n" );
HRETURN( E_NOTIMPL );
}
//****************************************************************************
//
// IDispatchEx
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::GetDispID (
// BSTR bstrName, // in
// DWORD grfdex, //in
// DISPID *pid //out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::GetDispID (
BSTR bstrName, // in
DWORD grfdex, //in
DISPID *pid //out
)
{
TraceClsFunc( "[IDispatchEx] GetDispID( )\n" );
if ( pid == NULL
|| bstrName == NULL
)
{
HRETURN( E_POINTER );
}
HRESULT hr = S_OK;
TraceMsg( mtfCALLS, "Looking for: %s\n", bstrName );
if ( StrCmpI( bstrName, L"Name" ) == 0 )
{
*pid = 0;
}
else if ( StrCmpI( bstrName, L"LogInformation" ) == 0 )
{
*pid = 1;
}
else if ( StrCmpI( bstrName, L"AddProperty" ) == 0 )
{
*pid = 2;
}
else if ( StrCmpI( bstrName, L"RemoveProperty" ) == 0 )
{
*pid = 3;
}
else
{
//
// See if it is a private property.
//
DWORD dwIndex;
DWORD dwErr = ERROR_SUCCESS;
hr = DISP_E_UNKNOWNNAME;
//
// Enum all the value under the \Cluster\Resources\{Resource}\Parameters.
//
for( dwIndex = 0; dwErr == ERROR_SUCCESS; dwIndex ++ )
{
WCHAR szName[ 1024 ]; // randomly large
DWORD cbName = sizeof(szName)/sizeof(szName[0]);
dwErr = ClusterRegEnumValue( m_hkey,
dwIndex,
szName,
&cbName,
NULL,
NULL,
NULL
);
if ( dwErr == ERROR_NO_MORE_ITEMS )
break; // done!
if ( dwErr != ERROR_SUCCESS )
{
hr = THR( HRESULT_FROM_WIN32( dwErr ) );
goto Error;
}
if ( StrCmpI( bstrName, szName ) == 0 )
{
//
// Found a match.
//
*pid = STATIC_AUTOMATION_METHODS + dwIndex;
hr = S_OK;
break;
}
//
// ...else keep going.
//
}
}
Cleanup:
HRETURN( hr );
Error:
LogError( hr );
goto Cleanup;
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::InvokeEx (
// DISPID idIn,
// LCID lcidIn,
// WORD wFlagsIn,
// DISPPARAMS * pdpIn,
// VARIANT * pvarResOut,
// EXCEPINFO * peiOut,
// IServiceProvider * pspCallerIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::InvokeEx (
DISPID idIn,
LCID lcidIn,
WORD wFlagsIn,
DISPPARAMS * pdpIn,
VARIANT * pvarResOut,
EXCEPINFO * peiOut,
IServiceProvider * pspCallerIn
)
{
TraceClsFunc2( "[IDispatchEx] InvokeEx( idIn = %u, ..., wFlagsIn = 0x%08x, ... )\n", idIn, wFlagsIn );
HRESULT hr = DISP_E_MEMBERNOTFOUND;
switch ( idIn )
{
case 0: // Name
if ( wFlagsIn & DISPATCH_PROPERTYGET )
{
pvarResOut->vt = VT_BSTR;
pvarResOut->bstrVal = SysAllocString( m_pszName );
if ( pvarResOut->bstrVal == NULL )
{
hr = E_OUTOFMEMORY;
}
else
{
hr = S_OK;
}
}
break;
case 1: // Log
if ( wFlagsIn & DISPATCH_METHOD )
{
hr = THR( LogInformation( pdpIn->rgvarg->bstrVal ) );
}
break;
case 2: // AddProperty
if ( wFlagsIn & DISPATCH_METHOD )
{
hr = THR( AddPrivateProperty( pdpIn ) );
}
break;
case 3: // AddProperty
if ( wFlagsIn & DISPATCH_METHOD )
{
hr = THR( RemovePrivateProperty( pdpIn ) );
}
break;
default:
//
// See if it is a private property.
//
if ( wFlagsIn & DISPATCH_PROPERTYGET )
{
hr = THR( ReadPrivateProperty( idIn - STATIC_AUTOMATION_METHODS, pvarResOut ) );
}
else if ( wFlagsIn & DISPATCH_PROPERTYPUT )
{
hr = THR( WritePrivateProperty( idIn - STATIC_AUTOMATION_METHODS, pdpIn ) );
}
break;
} // switch: id
HRETURN( hr );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::DeleteMemberByName (
// BSTR bstr, // in
// DWORD grfdex // in
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::DeleteMemberByName (
BSTR bstr, // in
DWORD grfdex // in
)
{
TraceClsFunc( "[IDispatchEx] DeleteMemberByName( )\n" );
HRETURN( E_NOTIMPL );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::DeleteMemberByDispID (
// DISPID id // in
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::DeleteMemberByDispID (
DISPID id // in
)
{
TraceClsFunc1( "[IDispatchEx] DeleteMemberByDispID( id = %u )\n", id );
HRETURN( E_NOTIMPL );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::GetMemberProperties (
// DISPID id, // in
// DWORD grfdexFetch, // in
// DWORD * pgrfdex // out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::GetMemberProperties (
DISPID id, // in
DWORD grfdexFetch, // in
DWORD * pgrfdex // out
)
{
TraceClsFunc2( "[IDispatchEx] GetMemberProperties( id = %u, grfdexFetch = 0x%08x )\n",
id, grfdexFetch );
HRETURN( E_NOTIMPL );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::GetMemberName (
// DISPID id, // in
// BSTR * pbstrName // out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::GetMemberName (
DISPID id, // in
BSTR * pbstrName // out
)
{
TraceClsFunc1( "[IDispatchEx] GetMemberName( id = %u, ... )\n", id );
HRETURN( E_NOTIMPL );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::GetNextDispID (
// DWORD grfdex, // in
// DISPID id, // in
// DISPID * pid // out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::GetNextDispID (
DWORD grfdex, // in
DISPID id, // in
DISPID * pid // out
)
{
TraceClsFunc2( "[IDispatchEx] GetNextDispId( grfdex = 0x%08x, id = %u, ... )\n",
grfdex, id );
HRETURN( E_NOTIMPL );
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::GetNameSpaceParent (
// IUnknown * * ppunk // out
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::GetNameSpaceParent (
IUnknown * * ppunk // out
)
{
TraceClsFunc( "[IDispatchEx] GetNameSpaceParent( ... )\n" );
if ( !ppunk )
HRETURN( E_POINTER );
*ppunk = NULL;
HRETURN( E_NOTIMPL );
}
//****************************************************************************
//
// Private Methods
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::LogError(
// HRESULT hrIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::LogError(
HRESULT hrIn
)
{
TraceClsFunc1( "LogError( hrIn = 0x%08x )\n", hrIn );
TraceMsg( mtfCALLS, "HRESULT: 0x%08x\n", hrIn );
(ClusResLogEvent)( m_hResource, LOG_ERROR, L"HRESULT: 0x%1!08x!.\n", hrIn );
HRETURN( S_OK );
} //*** LogError( )
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::ReadPrivateProperty(
// DISPID idIn,
// VARIANT * pvarResOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::ReadPrivateProperty(
DISPID idIn,
VARIANT * pvarResOut
)
{
TraceClsFunc( "ReadPrivateProperty( ... )\n" );
BSTR * pbstrList;
BYTE rgbData[ 1024 ]; // randomly large
WCHAR szName[ 1024 ]; // randomly large
DWORD dwType;
DWORD dwIndex;
DWORD dwErr;
DWORD cbName = sizeof(szName)/sizeof(szName[0]);
DWORD cbData = sizeof(rgbData);
BOOL fFreepData = FALSE;
LPBYTE pData = NULL;
HRESULT hr = DISP_E_UNKNOWNNAME;
//
// We can jump to the exact entry because the script called
// GetDispID() before calling this method.
//
for ( ;; )
{
dwErr = ClusterRegEnumValue( m_hkey,
idIn,
szName,
&cbName,
&dwType,
rgbData,
&cbData
);
if ( dwErr == ERROR_MORE_DATA )
{
//
// Make some space if our stack buffer is too small.
//
pData = (LPBYTE) TraceAlloc( LMEM_FIXED, cbData );
if ( pData == NULL )
goto OutOfMemory;
fFreepData = TRUE;
continue; // try again
}
if ( dwErr == ERROR_NO_MORE_ITEMS )
goto Cleanup; // item must have dissappeared
if ( dwErr != ERROR_SUCCESS )
{
hr = THR( HRESULT_FROM_WIN32( dwErr ) );
goto Error;
}
Assert( dwErr == ERROR_SUCCESS );
break; // exit loop
}
//
// It's a private property. Convert the data into the appropriate
// VARIANT.
//
switch ( dwType )
{
case REG_DWORD:
{
DWORD * pdw = (DWORD *) rgbData;
pvarResOut->vt = VT_I4;
pvarResOut->intVal = *pdw;
hr = S_OK;
}
break;
case REG_EXPAND_SZ:
{
DWORD cbNeeded;
WCHAR szExpandedString[ 2 * MAX_PATH ]; // randomly large
DWORD cbSize = sizeof(szExpandedString)/sizeof(szExpandedString[0]);
LPCWSTR pszData = (LPCWSTR) rgbData;
cbNeeded = ExpandEnvironmentStrings( pszData, szExpandedString, cbSize );
if ( cbSize == 0 )
goto Win32Error;
if ( cbNeeded > cbSize )
goto OutOfMemory;
pvarResOut->vt = VT_BSTR;
pvarResOut->bstrVal = SysAllocString( szExpandedString );
if ( pvarResOut->bstrVal == NULL )
goto OutOfMemory;
hr = S_OK;
}
break;
case REG_MULTI_SZ:
{
//
// KB: gpease 08-FEB-2000
// Currently VBScript doesn't support SAFEARRAYs. So someone
// trying to access a multi-sz will get the following error:
//
// Error: 2148139466
// Source: Microsoft VBScript runtime error
// Description: Variable uses an Automation type not supported in VBScript
//
// The code is correct as far as I can tell, so I am just
// going to leave it in (it doesn't AV or cause bad things
// to happen).
//
VARIANT var;
LPWSTR psz;
DWORD nCount;
DWORD cbCount;
DWORD cbBiggestOne;
LPWSTR pszData = (LPWSTR) rgbData;
LPWSTR pszEnd = (LPWSTR) &rgbData[ cbData ];
SAFEARRAYBOUND rgsabound[ 1 ];
//
// Figure out how many item there are in the list.
//
cbBiggestOne = cbCount = nCount = 0;
psz = pszData;
while ( *psz != 0 )
{
psz++;
cbCount ++;
if ( *psz == 0 )
{
if ( cbCount > cbBiggestOne )
{
cbBiggestOne = cbCount;
}
cbCount = 0;
nCount++;
psz++;
}
}
Assert( psz <= pszEnd );
//
// Create a safe array to package the string into.
//
rgsabound[0].lLbound = 0;
rgsabound[0].cElements = nCount;
pvarResOut->vt = VT_SAFEARRAY;
pvarResOut->parray = SafeArrayCreate( VT_BSTR, 1, rgsabound );
if ( pvarResOut->parray == NULL )
goto OutOfMemory;
//
// Fix the memory location of the array so it can be accessed
// thru an array pointer.
//
hr = THR( SafeArrayAccessData( pvarResOut->parray, (void**) &pbstrList ) );
if ( FAILED( hr ) )
goto Error;
//
// Convert the multi-string into BSTRs
//
psz = pszData;
for( nCount = 0; *psz != 0 ; nCount ++ )
{
pbstrList[ nCount ] = SysAllocString( psz );
if ( pbstrList[ nCount ] == NULL )
goto OutOfMemory;
//
// Skip the next entry.
//
while ( *psz != 0 )
{
psz++;
}
psz++;
}
Assert( psz <= pszEnd );
//
// Release the array.
//
hr = THR( SafeArrayUnaccessData( pvarResOut->parray ) );
if ( FAILED( hr ) )
goto Error;
hr = S_OK;
}
break;
case REG_SZ:
{
LPCWSTR pszData = (LPCWSTR) rgbData;
pvarResOut->bstrVal = SysAllocString( pszData );
if ( pvarResOut->bstrVal == NULL )
goto OutOfMemory;
pvarResOut->vt = VT_BSTR;
hr = S_OK;
}
break;
case REG_BINARY:
default:
hr = HRESULT_FROM_WIN32( ERROR_INVALID_DATATYPE );
goto Error;
} // switch: dwType
Cleanup:
if ( fFreepData
&& pData != NULL
)
{
TraceFree( pData );
}
//
// Make sure this has been wiped if there is a problem.
//
if ( FAILED( hr ) )
{
VariantClear( pvarResOut );
}
HRETURN( hr );
Error:
LogError( hr );
goto Cleanup;
Win32Error:
hr = HRESULT_FROM_WIN32( GetLastError( ) );
goto Error;
OutOfMemory:
hr = E_OUTOFMEMORY;
goto Cleanup;
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::WritePrivateProperty(
// DISPID idIn,
// DISPPARAMS * pdpIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::WritePrivateProperty(
DISPID idIn,
DISPPARAMS * pdpIn
)
{
TraceClsFunc( "WritePrivateProperty( ... )\n" );
DWORD dwType;
DWORD dwErr;
DWORD cbData;
UINT uiArg;
WCHAR szName [ 1024 ]; // randomly large
DWORD cbName = sizeof(szName)/sizeof(szName[0]);
HRESULT hr = DISP_E_UNKNOWNNAME;
//
// Do some parameter validation.
//
if ( pdpIn->cArgs != 1 || pdpIn->cNamedArgs > 1 )
goto BadParamCount;
//
// We can jump to the exact entry because the script called
// GetDispID() before calling this method. Here we are only
// going to validate that the value exists and what type
// the value is.
//
dwErr = ClusterRegEnumValue( m_hkey,
idIn,
szName,
&cbName,
&dwType,
NULL,
NULL
);
if ( dwErr == ERROR_NO_MORE_ITEMS )
goto Cleanup; // item must have dissappeared
if ( dwErr != ERROR_SUCCESS )
{
hr = THR( HRESULT_FROM_WIN32( dwErr ) );
goto Error;
}
//
// It's a private property. Convert the script data into the
// appropriate VARIANT and then write it into the hive.
//
switch ( dwType )
{
case REG_DWORD:
{
VARIANT var;
VariantInit( &var );
hr = THR( DispGetParam( pdpIn, DISPID_PROPERTYPUT, VT_I4, &var, &uiArg ) );
if ( FAILED( hr ) )
goto Error;
cbData = sizeof( var.intVal );
dwErr = TW32( ClusterRegSetValue( m_hkey, szName, dwType, (LPBYTE) &var.intVal, cbData ) );
if ( dwErr != ERROR_SUCCESS )
{
hr = HRESULT_FROM_WIN32( dwErr );
goto Error;
}
VariantClear( &var );
hr = S_OK;
}
break;
case REG_EXPAND_SZ:
case REG_SZ:
{
VARIANT var;
VariantInit( &var );
hr = THR( DispGetParam( pdpIn, DISPID_PROPERTYPUT, VT_BSTR, &var, &uiArg ) );
if ( FAILED( hr ) )
goto Error;
cbData = sizeof(WCHAR) * ( SysStringLen( var.bstrVal ) + 1 );
dwErr = TW32( ClusterRegSetValue( m_hkey, szName, dwType, (LPBYTE) var.bstrVal, cbData ) );
if ( dwErr != ERROR_SUCCESS )
{
hr = HRESULT_FROM_WIN32( dwErr );
goto Error;
}
VariantClear( &var );
hr = S_OK;
}
break;
case REG_MULTI_SZ:
case REG_BINARY:
//
// Can't handle these since VBScript can't generate them.
//
default:
hr = HRESULT_FROM_WIN32( ERROR_INVALID_DATATYPE );
goto Error;
} // switch: dwType
Cleanup:
HRETURN( hr );
Error:
LogError( hr );
goto Cleanup;
BadParamCount:
hr = THR( DISP_E_BADPARAMCOUNT );
goto Error;
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::RemovePrivateProperty(
// DISPPARAMS * pdpIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::RemovePrivateProperty(
DISPPARAMS * pdpIn
)
{
TraceClsFunc( "RemovePrivateProperty( ... )\n" );
HRESULT hr;
DWORD dwErr;
UINT uiArg;
VARIANT var;
VariantInit( &var );
//
// Do some parameter validation.
//
if ( pdpIn->cArgs != 1 || pdpIn->cNamedArgs > 1 )
goto BadParamCount;
//
// Retrieve the name of the property to remove.
//
hr = THR( DispGetParam( pdpIn, 0, VT_BSTR, &var, &uiArg ) );
if ( FAILED( hr ) )
goto Error;
//
// Delete the value from the hive.
//
dwErr = TW32( ClusterRegDeleteValue( m_hkey, var.bstrVal ) );
if ( dwErr == ERROR_FILE_NOT_FOUND )
{
hr = THR( DISP_E_UNKNOWNNAME );
goto Error;
}
else if ( dwErr != ERROR_SUCCESS )
{
hr = HRESULT_FROM_WIN32( dwErr );
goto Error;
}
hr = S_OK;
Cleanup:
VariantClear( &var );
HRETURN( hr );
Error:
LogError( hr );
goto Cleanup;
BadParamCount:
hr = THR( DISP_E_BADPARAMCOUNT );
goto Error;
}
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::AddPrivateProperty(
// DISPPARAMS * pdpIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::AddPrivateProperty(
DISPPARAMS * pdpIn
)
{
TraceClsFunc( "AddPrivateProperty( ... )\n" );
DWORD dwType;
DWORD dwErr;
DWORD cbName;
DWORD cbData;
UINT uiArg;
LPBYTE pData;
VARIANT varProperty;
VARIANT varValue;
HRESULT hr;
WCHAR szNULL [] = L"";
VariantInit( &varProperty );
VariantInit( &varValue );
//
// Do some parameter validation.
//
if ( pdpIn->cArgs == 0
|| pdpIn->cArgs > 2
|| pdpIn->cNamedArgs > 2
)
goto BadParamCount;
//
// Retrieve the name of the property.
//
hr = THR( DispGetParam( pdpIn, 0, VT_BSTR, &varProperty, &uiArg ) );
if ( FAILED( hr ) )
goto Error;
//
// If there are 2 args, the second one indicates the default value.
//
if ( pdpIn->cArgs == 2 )
{
//
// DISPPARAMS are parsed in reverse order so "1" is actually the name
// and "0" is the default value.
//
switch ( pdpIn->rgvarg[0].vt )
{
case VT_I4:
case VT_I2:
case VT_BOOL:
case VT_UI1:
case VT_UI2:
case VT_UI4:
case VT_INT:
case VT_UINT:
hr = THR( DispGetParam( pdpIn, 1, VT_I4, &varValue, &uiArg ) );
if ( FAILED( hr ) )
goto Error;
dwType = REG_DWORD;
pData = (LPBYTE) &varValue.intVal;
cbData = sizeof(DWORD);
break;
case VT_BSTR:
hr = THR( DispGetParam( pdpIn, 1, VT_BSTR, &varValue, &uiArg ) );
if ( FAILED( hr ) )
goto Error;
dwType = REG_SZ;
pData = (LPBYTE) varValue.bstrVal;
cbData = sizeof(WCHAR) * ( SysStringLen( varValue.bstrVal ) + 1 );
break;
default:
hr = THR( E_INVALIDARG );
goto Error;
}
}
else
{
//
// Provide a default of a NULL string.
//
dwType = REG_SZ;
pData = (LPBYTE) &szNULL[0];
cbData = sizeof(szNULL);
}
//
// Create the value in the hive.
//
dwErr = TW32( ClusterRegSetValue( m_hkey, varProperty.bstrVal, dwType, pData, cbData ) );
if ( dwErr != ERROR_SUCCESS )
{
hr = HRESULT_FROM_WIN32( dwErr );
goto Error;
}
hr = S_OK;
Cleanup:
VariantClear( &varProperty );
VariantClear( &varValue );
HRETURN( hr );
Error:
LogError( hr );
goto Cleanup;
BadParamCount:
hr = THR( DISP_E_BADPARAMCOUNT );
goto Error;
}
//****************************************************************************
//
// Automation Methods
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CResourceObject::LogInformation(
// BSTR bstrString
// )
//
//////////////////////////////////////////////////////////////////////
STDMETHODIMP
CResourceObject::LogInformation(
BSTR bstrString
)
{
TraceClsFunc1( "LogInformation( %ws )\n", bstrString );
TraceMsg( mtfCALLS, "LOG_INFORMATION: %s\n", bstrString );
m_pler( m_hResource, LOG_INFORMATION, L"%1\n", bstrString );
HRETURN( S_OK );
}