windows-nt/Source/XPSP1/NT/inetsrv/query/web/dll/variable.cxx
2020-09-26 16:20:57 +08:00

2632 lines
86 KiB
C++

//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992-2000.
//
// File: variable.cxx
//
// Contents: Used to replace variables
//
// History: 96/Jan/3 DwightKr Created
//
//----------------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
void RenderSafeArray(
VARTYPE vt,
SAFEARRAY * psa,
COutputFormat & outputFormat,
CVirtualString & vString,
BOOL fFormatted );
//+---------------------------------------------------------------------------
//
// Member: CVariable::CVariable - public constructor
//
// Synopsis: Builds a single replaceable variable based in a propVariant
//
// Arguments: [wcsName] - friendly name for the variable
// [pVariant] - the variable's value
// [ulFlags] - all flags associated with this variable, for
// now this indicates if this variable requires
// a IRowsetScroll to access its value.
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
CVariable::CVariable( WCHAR const * wcsName,
PROPVARIANT const * pVariant,
ULONG ulFlags ) :
_wcsName(0),
_wcsRAWValue(0),
_cwcRAWValue(0),
_eNumType( eNotANumber ),
_ulFlags(ulFlags),
_pNext(0),
_pBack(0)
{
Win4Assert( wcsName != 0 );
ULONG cwcName = wcslen(wcsName) + 1;
_wcsName = new WCHAR[ cwcName ];
RtlCopyMemory( _wcsName, wcsName, cwcName * sizeof(WCHAR) );
_variant.vt = VT_EMPTY;
_variant.pwszVal = 0;
if ( 0 != pVariant )
{
// SetValue cannot raise
SetValue( pVariant, ulFlags );
}
}
//+---------------------------------------------------------------------------
//
// Member: CVariable::CVariable - public copy constructor
//
// Synopsis: Builds a single replaceable variable based in a propVariant
//
// Arguments: [variable] - the variable to copy
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
CVariable::CVariable( const CVariable & variable ) :
_wcsName(0),
_cwcRAWValue(0),
_eNumType( variable._eNumType ),
_ulFlags(0),
_pNext(0)
{
ULONG cwcName = wcslen(variable._wcsName) + 1;
_wcsName = new WCHAR[ cwcName ];
RtlCopyMemory( _wcsName, variable._wcsName, cwcName * sizeof(WCHAR) );
_ulFlags = variable._ulFlags;
_variant = variable._variant;
if ( VT_LPWSTR == variable._variant.vt )
{
_cwcRAWValue = variable._cwcRAWValue;
}
}
//+---------------------------------------------------------------------------
//
// Member: CVariable::~CVariable - public destructor
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
CVariable::~CVariable()
{
if ( (_ulFlags & eParamOwnsVariantMemory) != 0 )
{
delete _variant.pwszVal;
}
//
// If we have a RAW string that is not part of the variant, and is
// not pointing to the in-line number buffer, delete it. It's probably
// an ASCII string we've converted to WCHAR.
//
if ( _wcsRAWValue &&
_wcsRAWValue != _wcsNumberValue &&
_wcsRAWValue != _variant.pwszVal )
{
delete _wcsRAWValue;
}
delete _wcsName;
if ( 0 != _pNext )
delete _pNext;
}
//+---------------------------------------------------------------------------
//
// Member: CVariable::SetValue - public
//
// Synopsis: An assignment operator; allows the value of a variable to
// be changed.
//
// Arguments: [pVariant] - new value for this variable
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
void CVariable::SetValue( PROPVARIANT const * pVariant, ULONG ulFlags )
{
//
// If we've stored a string equivalent for the old value, then
// delete it now.
//
if ( _wcsRAWValue &&
_wcsRAWValue != _wcsNumberValue &&
_wcsRAWValue != _variant.pwszVal )
{
delete _wcsRAWValue;
_wcsRAWValue = 0;
_cwcRAWValue = 0;
_eNumType = eNotANumber;
}
if ( (_ulFlags & eParamOwnsVariantMemory) != 0 )
{
delete _variant.pwszVal;
_variant.pwszVal = 0;
_ulFlags &= ~eParamOwnsVariantMemory;
}
if ( 0 != pVariant )
_variant = *pVariant;
else
{
_variant.vt = VT_EMPTY;
_variant.pwszVal = 0; // retentive
}
//
// If its a WCHAR string, we already have a pointer to its RAW value.
//
if ( (VT_LPWSTR == _variant.vt) && (0 != _variant.pwszVal) )
{
_wcsRAWValue = _variant.pwszVal;
_cwcRAWValue = wcslen(_wcsRAWValue);
}
else
{
_wcsRAWValue = 0;
_cwcRAWValue = 0;
}
_ulFlags |= ulFlags;
}
//+---------------------------------------------------------------------------
//
// Member: CVariable::FastSetValue - public
//
// Synopsis: Special version of SetValue that can be faster because it
// knows that the variable can't own variant memory, that
// the variant is non-0, that the flags are 0, and that variant
// wide strings are non-zero.
//
// Arguments: [pVariant] - new value for this variable
//
// History: 96/Apr/05 dlee Created.
//
//----------------------------------------------------------------------------
void CVariable::FastSetValue( PROPVARIANT const * pVariant )
{
//
// If we've stored a string equivalent for the old value, then
// delete it now.
//
if ( ( _wcsRAWValue != _wcsNumberValue ) &&
( _wcsRAWValue != _variant.pwszVal ) )
{
delete _wcsRAWValue;
_wcsRAWValue = 0;
_cwcRAWValue = 0;
}
_eNumType = eNotANumber;
Win4Assert( (_ulFlags & eParamOwnsVariantMemory) == 0 );
Win4Assert( 0 != pVariant );
_variant = *pVariant;
if ( VT_LPWSTR == _variant.vt )
{
// The caller of FastSetValue can't pass a 0 string variant
Win4Assert( 0 != _variant.pwszVal );
_wcsRAWValue = _variant.pwszVal;
_cwcRAWValue = wcslen(_wcsRAWValue);
}
else
{
_wcsRAWValue = 0;
_cwcRAWValue = 0;
}
}
//+---------------------------------------------------------------------------
//
// Member: CVariable::SetValue - public
//
// Synopsis: A assignment operator; allows the value of a variable to
// be changed. Ownership of the string is transferred to this
// function
//
// Arguments: [wcsValue] - new value for this variable
// [cwcValue] - length of new value string
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
void CVariable::SetValue( XPtrST<WCHAR> & wcsValue, ULONG cwcValue )
{
Win4Assert( VT_LPWSTR == _variant.vt );
//
// If we've stored a string equivalent for the old value, then
// delete it now.
//
if ( _wcsRAWValue &&
_wcsRAWValue != _wcsNumberValue &&
_wcsRAWValue != _variant.pwszVal )
{
delete _wcsRAWValue;
_wcsRAWValue = 0;
_cwcRAWValue = 0;
_eNumType = eNotANumber;
}
if ( (_ulFlags & eParamOwnsVariantMemory) != 0 )
{
delete _variant.pwszVal;
_variant.pwszVal = 0;
}
_ulFlags |= eParamOwnsVariantMemory;
_wcsRAWValue = wcsValue.Acquire();
_cwcRAWValue = cwcValue;
}
// Maximum length of a floating point value string
// Big enough for a 1e308 + 9 decimal places + sign
const unsigned maxFloatSize = 320;
// Floating point precision.
// +1 because the numbers in float.h seem to be too small by one digit.
const unsigned fltPrec = FLT_DIG+1;
const unsigned dblPrec = DBL_DIG+1;
//+---------------------------------------------------------------------------
//
// Function: SARenderElementFormatted
//
// Synopsis: Appends the formatted string form a safearray element to
// a virtual string.
// Only the subset of types that are formatted differently
// when "formatted" vs "raw" are handled in this function.
//
// Arguments: [outputFormat] -- The output format to use
// [vString] -- Where the result is appended
// [vt] -- Type of the element
// [pv] -- Pointer to the element
//
// Notes: I8 and UI8 aren't allowed in safearrays in NT 5, but they
// will be someday.
//
// History: 9-Jun-98 dlee Created
//
//----------------------------------------------------------------------------
void SARenderElementFormatted(
COutputFormat & outputFormat,
CVirtualString & vString,
VARTYPE vt,
void * pv )
{
ciGibDebugOut(( DEB_ITRACE, "vt %#x, pv %#x\n", vt, pv ));
// Recurse if we have a nested VT_ARRAY in an array element.
if ( VT_ARRAY & vt )
{
SAFEARRAY *psa = *(SAFEARRAY **) pv;
RenderSafeArray( vt & ~VT_ARRAY, psa, outputFormat, vString, TRUE );
return;
}
WCHAR awcTmp[ maxFloatSize ];
const ULONG cwcTmp = sizeof awcTmp / sizeof awcTmp[0];
ULONG cwc = 0;
switch ( vt )
{
case VT_UI1:
{
cwc = outputFormat.FormatNumber( (ULONG) * (BYTE *) pv,
awcTmp,
cwcTmp );
break;
}
case VT_I1:
{
cwc = outputFormat.FormatNumber( (LONG) * (signed char *) pv,
awcTmp,
cwcTmp );
break;
}
case VT_UI2:
{
USHORT us;
RtlCopyMemory( &us, pv, sizeof us );
cwc = outputFormat.FormatNumber( (ULONG) us,
awcTmp,
cwcTmp );
break;
}
case VT_I2:
{
SHORT s;
RtlCopyMemory( &s, pv, sizeof s );
cwc = outputFormat.FormatNumber( (LONG) s,
awcTmp,
cwcTmp );
break;
}
case VT_UI4:
case VT_UINT:
{
ULONG ul;
RtlCopyMemory( &ul, pv, sizeof ul );
cwc = outputFormat.FormatNumber( ul,
awcTmp,
cwcTmp );
break;
}
case VT_I4:
case VT_ERROR:
case VT_INT:
{
LONG l;
RtlCopyMemory( &l, pv, sizeof l );
cwc = outputFormat.FormatNumber( l,
awcTmp,
cwcTmp );
break;
}
case VT_UI8:
{
unsigned __int64 ui;
RtlCopyMemory( &ui, pv, sizeof ui );
cwc = outputFormat.FormatNumber( ui,
awcTmp,
cwcTmp );
break;
}
case VT_I8:
{
__int64 i;
RtlCopyMemory( &i, pv, sizeof i );
cwc = outputFormat.FormatNumber( i,
awcTmp,
cwcTmp );
break;
}
case VT_R4:
{
float f;
RtlCopyMemory( &f, pv, sizeof f );
cwc = outputFormat.FormatFloat( f,
fltPrec,
awcTmp,
cwcTmp );
break;
}
case VT_R8:
{
double d;
RtlCopyMemory( &d, pv, sizeof d );
cwc = outputFormat.FormatFloat( d,
dblPrec,
awcTmp,
cwcTmp );
break;
}
case VT_DECIMAL:
{
double d;
VarR8FromDec( (DECIMAL *) pv, &d );
cwc = outputFormat.FormatFloat( d,
dblPrec,
awcTmp,
cwcTmp );
break;
}
case VT_CY:
{
double d;
VarR8FromCy( * (CY *) pv, &d );
cwc = outputFormat.FormatFloat( d,
dblPrec,
awcTmp,
cwcTmp );
break;
}
case VT_VARIANT:
{
PROPVARIANT & Var = * (PROPVARIANT *) pv;
SARenderElementFormatted( outputFormat, vString, Var.vt, & Var.lVal );
break;
}
default :
{
ciGibDebugOut(( DEB_ERROR, "unexpected numeric sa element type %#x\n", vt ));
Win4Assert( !"unexpected numeric safearray element type" );
break;
}
}
vString.StrCat( awcTmp, cwc );
} //SARenderElementFormatted
//+---------------------------------------------------------------------------
//
// Function: SARenderElementRaw
//
// Synopsis: Appends the "raw" string form a safearray element to
// a virtual string. Numbers are raw when they don't have
// formatting like commas.
//
// Arguments: [outputFormat] -- The output format to use
// [vString] -- Where the result is appended
// [vt] -- Type of the element
// [pv] -- Pointer to the element
//
// Notes: I8 and UI8 aren't allowed in safearrays in NT 5, but they
// will be someday.
//
// History: 9-Jun-98 dlee Created
//
//----------------------------------------------------------------------------
void SARenderElementRaw(
COutputFormat & outputFormat,
CVirtualString & vString,
VARTYPE vt,
void * pv )
{
ciGibDebugOut(( DEB_ITRACE, "vt %#x, pv %#x\n", vt, pv ));
// Recurse if we have a nested VT_ARRAY in an array element.
if ( VT_ARRAY & vt )
{
SAFEARRAY *psa = *(SAFEARRAY **) pv;
RenderSafeArray( vt & ~VT_ARRAY, psa, outputFormat, vString, FALSE );
return;
}
WCHAR awcTmp[ maxFloatSize ];
const ULONG cwcTmp = sizeof awcTmp / sizeof awcTmp[0];
ULONG cwc = 0;
switch ( vt )
{
case VT_EMPTY:
case VT_NULL:
{
break;
}
case VT_BSTR:
{
BSTR bstr = *(BSTR *) pv;
vString.StrCat( bstr );
break;
}
case VT_BOOL:
{
VARIANT_BOOL vb;
RtlCopyMemory( &vb, pv, sizeof vb );
wcscpy( awcTmp, ( VARIANT_FALSE == vb ) ? L"FALSE" : L"TRUE" );
cwc = wcslen( awcTmp);
break;
}
case VT_DATE:
{
SYSTEMTIME stUTC;
DATE date;
RtlCopyMemory( &date, pv, sizeof date );
if ( VariantTimeToSystemTime( date, &stUTC ) )
cwc = outputFormat.FormatDateTime( stUTC,
awcTmp,
cwcTmp );
break;
}
case VT_UI1:
{
IDQ_ultow( (ULONG) * (BYTE *) pv, awcTmp );
cwc = wcslen( awcTmp );
break;
}
case VT_I1:
{
IDQ_ltow( (LONG) * (signed char *) pv, awcTmp );
cwc = wcslen( awcTmp );
break;
}
case VT_UI2:
{
USHORT us;
RtlCopyMemory( &us, pv, sizeof us );
IDQ_ultow( (ULONG) us, awcTmp );
cwc = wcslen( awcTmp );
break;
}
case VT_I2:
{
SHORT s;
RtlCopyMemory( &s, pv, sizeof s );
IDQ_ltow( (LONG) s, awcTmp );
cwc = wcslen( awcTmp );
break;
}
case VT_UI4:
case VT_UINT:
{
ULONG ul;
RtlCopyMemory( &ul, pv, sizeof ul );
IDQ_ultow( ul, awcTmp );
cwc = wcslen( awcTmp );
break;
}
case VT_I4:
case VT_ERROR:
case VT_INT:
{
LONG l;
RtlCopyMemory( &l, pv, sizeof l );
IDQ_ltow( l, awcTmp );
cwc = wcslen( awcTmp );
break;
}
case VT_UI8:
{
unsigned __int64 ui;
RtlCopyMemory( &ui, pv, sizeof ui );
IDQ_ulltow( ui, awcTmp );
cwc = wcslen( awcTmp );
break;
}
case VT_I8:
{
__int64 i;
RtlCopyMemory( &i, pv, sizeof i );
IDQ_lltow( i, awcTmp );
cwc = wcslen( awcTmp );
break;
}
case VT_R4:
{
float f;
RtlCopyMemory( &f, pv, sizeof f );
cwc = outputFormat.FormatFloatRaw( f,
fltPrec,
awcTmp,
cwcTmp );
break;
}
case VT_R8:
{
double d;
RtlCopyMemory( &d, pv, sizeof d );
cwc = outputFormat.FormatFloatRaw( d,
dblPrec,
awcTmp,
cwcTmp );
break;
}
case VT_DECIMAL:
{
double d;
VarR8FromDec( (DECIMAL *) pv, &d );
cwc = outputFormat.FormatFloatRaw( d,
dblPrec,
awcTmp,
cwcTmp );
break;
}
case VT_CY:
{
double d;
VarR8FromCy( * (CY *) pv, &d );
cwc = outputFormat.FormatFloatRaw( d,
dblPrec,
awcTmp,
cwcTmp );
break;
}
case VT_VARIANT:
{
PROPVARIANT & Var = * (PROPVARIANT *) pv;
SARenderElementRaw( outputFormat, vString, Var.vt, & Var.lVal );
break;
}
default :
{
ciGibDebugOut(( DEB_ERROR, "unexpected sa element type %#x\n", vt ));
Win4Assert( !"unexpected safearray element type" );
break;
}
}
vString.StrCat( awcTmp, cwc );
} //SARenderElementRaw
//+---------------------------------------------------------------------------
//
// Function: GetVectorFormatting
//
// Synopsis: Retrieves the vector formatting strings for a given type.
// Only safearray element datatypes are handled here.
//
// Arguments: [pwcPre] -- Returns the vector prefix string
// [pwcSep] -- Returns the vector separator string
// [pwcSuf] -- Returns the vector suffix string
//
// History: 9-Jun-98 dlee Created
//
//----------------------------------------------------------------------------
void GetVectorFormatting(
WCHAR const * & pwcPre,
WCHAR const * & pwcSep,
WCHAR const * & pwcSuf,
VARTYPE vt,
COutputFormat & outputFormat )
{
Win4Assert( 0 == ( vt & VT_ARRAY ) );
switch ( vt )
{
case VT_CY:
pwcPre = outputFormat.GetCurrencyVectorPrefix();
pwcSep = outputFormat.GetCurrencyVectorSeparator();
pwcSuf = outputFormat.GetCurrencyVectorSuffix();
break;
case VT_DATE:
pwcPre = outputFormat.GetDateVectorPrefix();
pwcSep = outputFormat.GetDateVectorSeparator();
pwcSuf = outputFormat.GetDateVectorSuffix();
break;
case VT_BOOL:
pwcPre = outputFormat.GetBoolVectorPrefix();
pwcSep = outputFormat.GetBoolVectorSeparator();
pwcSuf = outputFormat.GetBoolVectorSuffix();
break;
case VT_BSTR:
pwcPre = outputFormat.GetStringVectorPrefix();
pwcSep = outputFormat.GetStringVectorSeparator();
pwcSuf = outputFormat.GetStringVectorSuffix();
break;
case VT_VARIANT:
case VT_EMPTY:
case VT_NULL:
case VT_I1:
case VT_UI1:
case VT_I2:
case VT_UI2:
case VT_I4:
case VT_INT:
case VT_UI4:
case VT_UINT:
case VT_I8:
case VT_UI8:
case VT_R4:
case VT_R8:
case VT_DECIMAL:
case VT_ERROR:
pwcPre = outputFormat.GetNumberVectorPrefix();
pwcSep = outputFormat.GetNumberVectorSeparator();
pwcSuf = outputFormat.GetNumberVectorSuffix();
break;
default:
ciGibDebugOut(( DEB_ERROR, "GetVectorFormatting unknown type %#x\n", vt ));
Win4Assert( !"GetVectorFormatting doesn't support type" );
break;
}
} //GetVectorFormatting
//+---------------------------------------------------------------------------
//
// Function: RenderSafeArray
//
// Synopsis: Appends the string form of a safearray to a virtual string.
//
// Arguments: [vt] -- Datatype of the safearray, without VT_ARRAY
// [psa] -- The safearray to format
// [outputFormat] -- How to render the result
// [vString] -- The result is appended here
// [fFormatted] -- If TRUE, formatted, otherwise raw
//
// History: 9-Jun-98 dlee Created
//
//----------------------------------------------------------------------------
void RenderSafeArray(
VARTYPE vt,
SAFEARRAY * psa,
COutputFormat & outputFormat,
CVirtualString & vString,
BOOL fFormatted )
{
Win4Assert( 0 == ( vt & VT_ARRAY ) );
//
// Get the array prefix, separator, and suffix
//
WCHAR const * pwcPre;
WCHAR const * pwcSep;
WCHAR const * pwcSuf;
GetVectorFormatting( pwcPre, pwcSep, pwcSuf, vt, outputFormat );
//
// Get the dimensions of the array
//
CDynArrayInPlace<WCHAR> xOut;
UINT cDim = SafeArrayGetDim( psa );
if ( 0 == cDim )
return;
XArray<LONG> xDim( cDim );
XArray<LONG> xLo( cDim );
XArray<LONG> xUp( cDim );
for ( UINT iDim = 0; iDim < cDim; iDim++ )
{
SCODE sc = SafeArrayGetLBound( psa, iDim + 1, &xLo[iDim] );
if ( FAILED( sc ) )
THROW( CException( sc ) );
xDim[ iDim ] = xLo[ iDim ];
sc = SafeArrayGetUBound( psa, iDim + 1, &xUp[iDim] );
if ( FAILED( sc ) )
THROW( CException( sc ) );
ciGibDebugOut(( DEB_ITRACE, "dim %d, lo %d, up %d\n",
iDim, xLo[iDim], xUp[iDim] ));
vString.StrCat( pwcPre );
}
//
// Slog through the array
//
UINT iLastDim = cDim - 1;
BOOL fDone = FALSE;
while ( !fDone )
{
// Inter-element formatting if not the first element
if ( xDim[ iLastDim ] != xLo[ iLastDim ] )
vString.StrCat( pwcSep );
// Get the element and render it
void *pv;
SCODE sc = SafeArrayPtrOfIndex( psa, xDim.GetPointer(), &pv );
if ( FAILED( sc ) )
THROW( CException( sc ) );
if ( fFormatted )
SARenderElementFormatted( outputFormat, vString, vt, pv );
else
SARenderElementRaw( outputFormat, vString, vt, pv );
// Move to the next element and carry if necessary
ULONG cOpen = 0;
for ( LONG iDim = iLastDim; iDim >= 0; iDim-- )
{
if ( xDim[ iDim ] < xUp[ iDim ] )
{
xDim[ iDim ] = 1 + xDim[ iDim ];
break;
}
vString.StrCat( pwcSuf );
if ( 0 == iDim )
fDone = TRUE;
else
{
cOpen++;
xDim[ iDim ] = xLo[ iDim ];
}
}
for ( ULONG i = 0; !fDone && i < cOpen; i++ )
vString.StrCat( pwcPre );
}
} //RenderSafeArray
//+---------------------------------------------------------------------------
//
// Member: CVariable::GetStringValueFormattedRAW - public
//
// Synopsis: Not all VT types are strings. Those which are not strings
// have a string equivalent generated and stored for reuse.
//
// Arguments: [outputFormat] - contains formatting information for numbers
//
// Returns: A pointer to a string representation of the variable's value.
// Numbers are formatted.
//
// History: 26-Aug-96 KyleP Created (from GetStringValueRAW)
//
//----------------------------------------------------------------------------
WCHAR * CVariable::GetStringValueFormattedRAW( COutputFormat & outputFormat,
ULONG & cwcValue )
{
Win4Assert( !(_wcsRAWValue == 0 && _cwcRAWValue != 0) );
//
// Did we have a real raw value last time?
//
if ( _wcsRAWValue && _eNumType == eRawNumber )
{
if ( _wcsRAWValue != _wcsNumberValue && _wcsRAWValue != _variant.pwszVal )
delete _wcsRAWValue;
_wcsRAWValue = 0;
_cwcRAWValue = 0;
}
if ( 0 == _wcsRAWValue )
{
switch ( _variant.vt )
{
case VT_UI1:
_cwcRAWValue = outputFormat.FormatNumber( (ULONG) _variant.bVal,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_I1:
_cwcRAWValue = outputFormat.FormatNumber( (LONG) _variant.cVal,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_UI2:
_cwcRAWValue = outputFormat.FormatNumber( (ULONG) _variant.uiVal,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_I2:
_cwcRAWValue = outputFormat.FormatNumber( (LONG) _variant.iVal,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_UI4:
case VT_UINT:
_cwcRAWValue = outputFormat.FormatNumber( (ULONG) _variant.ulVal,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_I4:
case VT_INT:
case VT_ERROR:
_cwcRAWValue = outputFormat.FormatNumber( (LONG) _variant.lVal,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_UI8:
_cwcRAWValue = outputFormat.FormatNumber( _variant.uhVal.QuadPart,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_I8:
_cwcRAWValue = outputFormat.FormatNumber( _variant.hVal.QuadPart,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_R4:
{
WCHAR awchOutput[maxFloatSize];
_cwcRAWValue = outputFormat.FormatFloat( _variant.fltVal,
fltPrec,
awchOutput,
maxFloatSize );
if ( _cwcRAWValue < cwcNumberValue )
_wcsRAWValue = _wcsNumberValue;
else
_wcsRAWValue = new WCHAR[ 1 + _cwcRAWValue ];
RtlCopyMemory( _wcsRAWValue, awchOutput, (1 + _cwcRAWValue) * sizeof WCHAR );
_eNumType = eFormattedNumber;
break;
}
case VT_R8:
case VT_DECIMAL:
{
double dblValue = _variant.dblVal;
if ( VT_DECIMAL == _variant.vt )
VarR8FromDec( &_variant.decVal, &dblValue );
// Big enough for a 1e308 + 9 decimal places + sign
WCHAR awchOutput[maxFloatSize];
_cwcRAWValue = outputFormat.FormatFloat( dblValue,
dblPrec,
awchOutput,
maxFloatSize );
if ( _cwcRAWValue < cwcNumberValue )
_wcsRAWValue = _wcsNumberValue;
else
_wcsRAWValue = new WCHAR[ 1 + _cwcRAWValue ];
RtlCopyMemory( _wcsRAWValue, awchOutput, (1 + _cwcRAWValue) * sizeof WCHAR );
_eNumType = eFormattedNumber;
break;
}
case VT_CY:
_cwcRAWValue = outputFormat.FormatCurrency( _variant.cyVal,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
_eNumType = eFormattedNumber;
break;
case VT_UI1 | VT_VECTOR:
case VT_I1 | VT_VECTOR:
{
_eNumType = eFormattedNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetNumberVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.caub.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetNumberVectorSeparator() );
if ( (VT_UI1 | VT_VECTOR) == _variant.vt )
_cwcRAWValue = outputFormat.FormatNumber( (ULONG) _variant.caub.pElems[iValue],
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
else
_cwcRAWValue = outputFormat.FormatNumber( (LONG) _variant.cac.pElems[iValue],
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetNumberVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
break;
}
case VT_I2 | VT_VECTOR:
case VT_UI2 | VT_VECTOR:
{
_eNumType = eFormattedNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetNumberVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.caui.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetNumberVectorSeparator() );
if ( (VT_UI2 | VT_VECTOR) == _variant.vt )
_cwcRAWValue = outputFormat.FormatNumber( (ULONG) _variant.caui.pElems[iValue],
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
else
_cwcRAWValue = outputFormat.FormatNumber( (LONG) _variant.cai.pElems[iValue],
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetNumberVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
break;
}
case VT_R4 | VT_VECTOR:
case VT_I4 | VT_VECTOR:
case VT_UI4 | VT_VECTOR:
case VT_ERROR | VT_VECTOR:
{
_eNumType = eFormattedNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetNumberVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.caul.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetNumberVectorSeparator() );
if ( (VT_R4 | VT_VECTOR) == _variant.vt )
_cwcRAWValue = outputFormat.FormatFloat( _variant.caflt.pElems[iValue],
fltPrec,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
else if ( (VT_UI4 | VT_VECTOR) == _variant.vt )
_cwcRAWValue = outputFormat.FormatNumber( _variant.caul.pElems[iValue],
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
else
_cwcRAWValue = outputFormat.FormatNumber( _variant.cal.pElems[iValue],
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetNumberVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
break;
}
case VT_I8 | VT_VECTOR:
case VT_UI8 | VT_VECTOR:
case VT_R8 | VT_VECTOR:
{
_eNumType = eFormattedNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetNumberVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.cadbl.cElems;
iValue++
)
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetNumberVectorSeparator() );
if ( (VT_I8 | VT_VECTOR) == _variant.vt )
_cwcRAWValue = outputFormat.FormatNumber( (_int64) _variant.cah.pElems[iValue].QuadPart,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
else if ( (VT_UI8 | VT_VECTOR) == _variant.vt )
_cwcRAWValue = outputFormat.FormatNumber( (unsigned _int64) _variant.cauh.pElems[iValue].QuadPart,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
else
_cwcRAWValue = outputFormat.FormatFloat( _variant.cadbl.pElems[iValue],
dblPrec,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetNumberVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
break;
}
case VT_CY | VT_VECTOR:
{
_eNumType = eFormattedNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetCurrencyVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.cacy.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetCurrencyVectorSeparator() );
_cwcRAWValue = outputFormat.FormatCurrency( _variant.cacy.pElems[iValue],
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetCurrencyVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
break;
}
case VT_ARRAY | VT_I1 :
case VT_ARRAY | VT_UI1:
case VT_ARRAY | VT_I2 :
case VT_ARRAY | VT_UI2 :
case VT_ARRAY | VT_I4 :
case VT_ARRAY | VT_INT :
case VT_ARRAY | VT_UI4 :
case VT_ARRAY | VT_UINT :
case VT_ARRAY | VT_CY :
case VT_ARRAY | VT_DECIMAL :
case VT_ARRAY | VT_ERROR:
{
_eNumType = eFormattedNumber;
CVirtualString vString( 0x200 );
RenderSafeArray( _variant.vt & ~VT_ARRAY,
_variant.parray,
outputFormat,
vString,
TRUE );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
break;
}
default:
{
Win4Assert( _eNumType == eNotANumber );
GetStringValueRAW( outputFormat, cwcValue );
break;
}
}
}
#if (DBG == 1)
if ( _wcsRAWValue != 0 )
{
Win4Assert( wcslen(_wcsRAWValue) == _cwcRAWValue );
}
#endif // DBG == 1
Win4Assert( !(_wcsRAWValue == 0 && _cwcRAWValue != 0) );
cwcValue = _cwcRAWValue;
return _wcsRAWValue;
}
//+---------------------------------------------------------------------------
//
// Member: CVariable::GetStringValueRAW - public
//
// Synopsis: Not all VT types are strings. Those which are not strings
// have a string equivalent generated and stored for reuse.
//
// Arguments: [outputFormat] - contains formatting information for numbers
//
// Returns: A pointer to a string representation of the variable's value.
//
// History: 96/Jan/03 DwightKr Created.
// 96/Mar/29 DwightKr Add support for deferred VT_LPWSTR
// values
//
//----------------------------------------------------------------------------
WCHAR * CVariable::GetStringValueRAW( COutputFormat & outputFormat,
ULONG & cwcValue)
{
Win4Assert( !(_wcsRAWValue == 0 && _cwcRAWValue != 0) );
//
// Did we have a formatted raw value last time?
//
if ( _wcsRAWValue && _eNumType == eFormattedNumber )
{
if ( _wcsRAWValue != _wcsNumberValue && _wcsRAWValue != _variant.pwszVal )
delete _wcsRAWValue;
_wcsRAWValue = 0;
_cwcRAWValue = 0;
}
if ( 0 == _wcsRAWValue )
{
switch ( _variant.vt )
{
case VT_LPWSTR:
//
// if it's a deferred value, load it now
//
if ( (_ulFlags & eParamDeferredValue) != 0 )
{
XArray<WCHAR> wcsValue;
ULONG cwcValue;
if ( outputFormat.GetCGIVariableW(_wcsName, wcsValue, cwcValue) )
{
_wcsRAWValue = wcsValue.Acquire();
_cwcRAWValue = cwcValue;
ciGibDebugOut(( DEB_ITRACE,
"Loading deferred value for %ws=%ws\n",
_wcsName,
_wcsRAWValue ));
}
else
{
ciGibDebugOut(( DEB_ITRACE,
"Unable to load deferred value for %ws\n",
_wcsName ));
_variant.vt = VT_EMPTY;
_wcsRAWValue = _wcsNumberValue;
*_wcsRAWValue = 0;
_cwcRAWValue = 0;
}
break;
}
// fall through if not a deferred value
case VT_EMPTY:
_wcsRAWValue = _wcsNumberValue;
*_wcsRAWValue = 0;
_cwcRAWValue = 0;
break;
case VT_BSTR:
_wcsRAWValue = _variant.bstrVal;
_cwcRAWValue = wcslen( _wcsRAWValue );
break;
case VT_LPSTR:
{
ULONG cbBuffer = strlen( _variant.pszVal ) + 1;
XArray<WCHAR> pwBuffer;
_cwcRAWValue = MultiByteToXArrayWideChar(
(BYTE * const) _variant.pszVal,
cbBuffer,
outputFormat.CodePage(),
pwBuffer );
_wcsRAWValue = pwBuffer.Acquire();
}
break;
case VT_UI1:
IDQ_ultow( (ULONG) _variant.bVal, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
_eNumType = eRawNumber;
break;
case VT_I1:
IDQ_ltow( (LONG) _variant.cVal, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
_eNumType = eRawNumber;
break;
case VT_UI2:
IDQ_ultow( (ULONG) _variant.uiVal, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
_eNumType = eRawNumber;
break;
case VT_I2:
IDQ_ltow( (LONG) _variant.iVal, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
_eNumType = eRawNumber;
break;
case VT_UI4:
case VT_UINT:
IDQ_ultow( _variant.ulVal, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
_eNumType = eRawNumber;
break;
case VT_I4:
case VT_INT:
case VT_ERROR:
IDQ_ltow( _variant.lVal, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
_eNumType = eRawNumber;
break;
case VT_UI8:
IDQ_ulltow( _variant.uhVal.QuadPart, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
_eNumType = eRawNumber;
break;
case VT_I8:
IDQ_lltow( _variant.hVal.QuadPart, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
_eNumType = eRawNumber;
break;
case VT_R4:
{
// Big enough for a 1e308 + 9 decimal places + sign
WCHAR awc[maxFloatSize];
outputFormat.FormatFloatRaw( _variant.fltVal, fltPrec, awc, maxFloatSize );
_cwcRAWValue = wcslen( awc );
if ( _cwcRAWValue < cwcNumberValue )
_wcsRAWValue = _wcsNumberValue;
else
_wcsRAWValue = new WCHAR[ 1 + _cwcRAWValue ];
RtlCopyMemory( _wcsRAWValue, awc, (1 + _cwcRAWValue) * sizeof WCHAR );
_eNumType = eRawNumber;
}
break;
case VT_R8:
case VT_DECIMAL:
{
double dblValue = _variant.dblVal;
if ( VT_DECIMAL == _variant.vt )
VarR8FromDec( &_variant.decVal, &dblValue );
// Big enough for a 1e308 + 9 decimal places + sign
WCHAR awc[maxFloatSize];
outputFormat.FormatFloatRaw( dblValue, dblPrec, awc, maxFloatSize );
_cwcRAWValue = wcslen( awc );
if ( _cwcRAWValue < cwcNumberValue )
_wcsRAWValue = _wcsNumberValue;
else
_wcsRAWValue = new WCHAR[ 1 + _cwcRAWValue ];
RtlCopyMemory( _wcsRAWValue, awc, (1 + _cwcRAWValue) * sizeof WCHAR );
_eNumType = eRawNumber;
}
break;
case VT_DATE:
{
//
// variantdate => dosdate => utcfiletime
//
SYSTEMTIME stUTC;
if ( VariantTimeToSystemTime(_variant.date, &stUTC ) )
{
_cwcRAWValue = outputFormat.FormatDateTime( stUTC,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
}
else
{
_wcsRAWValue = _wcsNumberValue;
*_wcsRAWValue = 0;
_cwcRAWValue = 0;
}
}
break;
case VT_FILETIME:
_cwcRAWValue = outputFormat.FormatDateTime( _variant.filetime,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
_wcsRAWValue = _wcsNumberValue;
break;
case VT_BOOL:
_wcsRAWValue = _wcsNumberValue;
wcscpy( _wcsRAWValue, _variant.boolVal == VARIANT_FALSE ? L"FALSE" : L"TRUE" );
_cwcRAWValue = wcslen( _wcsRAWValue );
break;
case VT_CLSID:
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = swprintf( _wcsRAWValue,
L"%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
_variant.puuid->Data1,
_variant.puuid->Data2,
_variant.puuid->Data3,
_variant.puuid->Data4[0], _variant.puuid->Data4[1],
_variant.puuid->Data4[2], _variant.puuid->Data4[3],
_variant.puuid->Data4[4], _variant.puuid->Data4[5],
_variant.puuid->Data4[6], _variant.puuid->Data4[7] );
break;
case VT_CY:
{
double dblValue;
VarR8FromCy( _variant.cyVal, &dblValue );
// Big enough for a 1e308 + 9 decimal places + sign
WCHAR awc[maxFloatSize];
_cwcRAWValue = swprintf( awc, L"%lf", dblValue );
if ( _cwcRAWValue < cwcNumberValue )
_wcsRAWValue = _wcsNumberValue;
else
_wcsRAWValue = new WCHAR[ 1 + _cwcRAWValue ];
RtlCopyMemory( _wcsRAWValue, awc, (1 + _cwcRAWValue) * sizeof WCHAR );
_eNumType = eRawNumber;
}
break;
//
// Vectors only below this point
//
case VT_LPWSTR | VT_VECTOR:
{
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetStringVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.calpwstr.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetStringVectorSeparator() );
vString.StrCat( _variant.calpwstr.pElems[iValue] );
}
vString.StrCat( outputFormat.GetStringVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_BSTR | VT_VECTOR:
{
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetStringVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.cabstr.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetStringVectorSeparator() );
vString.StrCat( _variant.cabstr.pElems[iValue] );
}
vString.StrCat( outputFormat.GetStringVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_LPSTR | VT_VECTOR:
{
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetStringVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.calpstr.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetStringVectorSeparator() );
ULONG cbBuffer = strlen( _variant.calpstr.pElems[iValue] ) + 1;
XArray<WCHAR> pwBuffer;
_cwcRAWValue = MultiByteToXArrayWideChar(
(BYTE * const) _variant.calpstr.pElems[iValue],
cbBuffer,
outputFormat.CodePage(),
pwBuffer );
vString.StrCat( pwBuffer.Get(), _cwcRAWValue );
}
vString.StrCat( outputFormat.GetStringVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_UI1 | VT_VECTOR:
case VT_I1 | VT_VECTOR:
{
_eNumType = eRawNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetNumberVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.caub.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetNumberVectorSeparator() );
if ( (VT_UI1 | VT_VECTOR) == _variant.vt )
{
IDQ_ultow( (ULONG) _variant.caub.pElems[iValue], _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
}
else
{
IDQ_ltow( (LONG) _variant.cac.pElems[iValue], _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
}
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetNumberVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_I2 | VT_VECTOR:
case VT_UI2 | VT_VECTOR:
{
_eNumType = eRawNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetNumberVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.caui.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetNumberVectorSeparator() );
if ( (VT_UI2 | VT_VECTOR) == _variant.vt )
{
IDQ_ultow( (ULONG) _variant.caui.pElems[iValue], _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
}
else
{
IDQ_ltow( (LONG) _variant.cai.pElems[iValue], _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
}
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetNumberVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_I4 | VT_VECTOR:
case VT_UI4 | VT_VECTOR:
case VT_I8 | VT_VECTOR:
case VT_UI8 | VT_VECTOR:
{
_eNumType = eRawNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetNumberVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.caul.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetNumberVectorSeparator() );
if ( (VT_I4 | VT_VECTOR) == _variant.vt )
{
IDQ_ltow( _variant.cal.pElems[iValue], _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
}
else if ( (VT_UI4 | VT_VECTOR) == _variant.vt )
{
IDQ_ultow( _variant.caul.pElems[iValue], _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
}
else if ( (VT_I8 | VT_VECTOR) == _variant.vt )
{
IDQ_lltow( _variant.cah.pElems[iValue].QuadPart, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
}
else
{
IDQ_ulltow( _variant.cauh.pElems[iValue].QuadPart, _wcsNumberValue );
_wcsRAWValue = _wcsNumberValue;
_cwcRAWValue = wcslen( _wcsRAWValue );
}
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetNumberVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_R4 | VT_VECTOR:
case VT_R8 | VT_VECTOR:
{
_eNumType = eRawNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetNumberVectorPrefix() );
// Big enough for a 1e308 + 9 decimal places + sign
WCHAR awc[maxFloatSize];
for ( unsigned iValue=0;
iValue<_variant.cadbl.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetNumberVectorSeparator() );
if ( (VT_R4 | VT_VECTOR) == _variant.vt )
{
outputFormat.FormatFloatRaw( _variant.caflt.pElems[iValue], fltPrec, awc, maxFloatSize );
_cwcRAWValue = wcslen( awc );
}
else
{
outputFormat.FormatFloatRaw( _variant.cadbl.pElems[iValue], dblPrec, awc, maxFloatSize );
_cwcRAWValue = wcslen( awc );
}
vString.StrCat( awc, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetNumberVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_DATE | VT_VECTOR:
{
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetDateVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.cadate.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetDateVectorSeparator() );
//
// variantdate => dosdate => localfiletime => utcfiletime
//
SYSTEMTIME stUTC;
if ( VariantTimeToSystemTime(_variant.cadate.pElems[iValue], &stUTC ) )
{
_cwcRAWValue = outputFormat.FormatDateTime( stUTC,
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
}
else
{
*_wcsNumberValue = 0;
_cwcRAWValue = 0;
}
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetDateVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_FILETIME | VT_VECTOR:
{
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetDateVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.cafiletime.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetDateVectorSeparator() );
_cwcRAWValue = outputFormat.FormatDateTime( _variant.cafiletime.pElems[iValue],
_wcsNumberValue,
sizeof(_wcsNumberValue) / sizeof(WCHAR) );
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetDateVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_BOOL | VT_VECTOR:
{
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetBoolVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.cabool.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetBoolVectorSeparator() );
vString.StrCat( _variant.cabool.pElems[iValue] == VARIANT_FALSE ? L"FALSE" : L"TRUE" );
}
vString.StrCat( outputFormat.GetBoolVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_CLSID | VT_VECTOR:
{
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetStringVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.cauuid.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetStringVectorSeparator() );
_cwcRAWValue = swprintf( _wcsNumberValue,
L"%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
_variant.cauuid.pElems[iValue].Data1,
_variant.cauuid.pElems[iValue].Data2,
_variant.cauuid.pElems[iValue].Data3,
_variant.cauuid.pElems[iValue].Data4[0], _variant.cauuid.pElems[iValue].Data4[1],
_variant.cauuid.pElems[iValue].Data4[2], _variant.cauuid.pElems[iValue].Data4[3],
_variant.cauuid.pElems[iValue].Data4[4], _variant.cauuid.pElems[iValue].Data4[5],
_variant.cauuid.pElems[iValue].Data4[6], _variant.cauuid.pElems[iValue].Data4[7] );
vString.StrCat( _wcsNumberValue, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetStringVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
case VT_CY | VT_VECTOR:
{
_eNumType = eRawNumber;
CVirtualString vString( 0x200 );
vString.StrCat( outputFormat.GetCurrencyVectorPrefix() );
for ( unsigned iValue=0;
iValue<_variant.cacy.cElems;
iValue++ )
{
if ( 0 != iValue )
vString.StrCat( outputFormat.GetCurrencyVectorSeparator() );
// Big enough for a 1e308 + 9 decimal places + sign
WCHAR awc[maxFloatSize];
double dblValue;
VarR8FromCy( _variant.cacy.pElems[iValue], &dblValue );
_cwcRAWValue = swprintf( awc, L"%lf", dblValue );
vString.StrCat( awc, _cwcRAWValue );
}
vString.StrCat( outputFormat.GetCurrencyVectorSuffix() );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
break;
default:
{
if ( VT_ARRAY & _variant.vt )
{
VARTYPE vt = _variant.vt & ~VT_ARRAY;
if ( VT_I1 == vt || VT_UI1 == vt ||
VT_I2 == vt || VT_UI2 == vt ||
VT_I4 == vt || VT_UI4 == vt ||
VT_INT == vt || VT_UINT == vt ||
VT_I8 == vt || VT_UI8 == vt ||
VT_R4 == vt || VT_R8 == vt ||
VT_CY == vt || VT_DECIMAL == vt ||
VT_ERROR == vt )
_eNumType = eRawNumber;
CVirtualString vString( 0x200 );
RenderSafeArray( vt,
_variant.parray,
outputFormat,
vString,
FALSE );
_wcsRAWValue = vString.StrDup();
_cwcRAWValue = vString.StrLen();
}
else
{
_wcsRAWValue = _wcsNumberValue;
*_wcsRAWValue = 0;
_cwcRAWValue = 0;
ciGibDebugOut(( DEB_WARN,
"Type %u not supported in out column",
_variant.vt ));
}
}
break;
}
}
#if (DBG == 1)
if ( _wcsRAWValue != 0 )
{
Win4Assert( wcslen(_wcsRAWValue) == _cwcRAWValue );
}
#endif // DBG == 1
Win4Assert( !(_wcsRAWValue == 0 && _cwcRAWValue != 0) );
cwcValue = _cwcRAWValue;
return _wcsRAWValue;
}
//+---------------------------------------------------------------------------
//
// Member: CVariable::DupStringValue - public
//
// Synopsis: Makes a copy of the string value of this variable
//
// Returns: A pointer to a string representation of the variable's value.
//
// History: 96/Mar/07 DwightKr Created.
//
//----------------------------------------------------------------------------
WCHAR * CVariable::DupStringValue( COutputFormat & outputFormat )
{
ULONG cwcValue;
WCHAR * wcsValue = GetStringValueRAW( outputFormat, cwcValue );
WCHAR * wcsCopyOfValue = new WCHAR[ cwcValue + 1 ];
RtlCopyMemory( wcsCopyOfValue,
wcsValue,
(cwcValue+1) * sizeof(WCHAR) );
return wcsCopyOfValue;
}
//+---------------------------------------------------------------------------
//
// Member: CVariable::IsDirectlyComparable - public
//
// Synopsis: Not all VT types are are numbers. This is useful when
// attempting to compare different VT_TYPES.
//
// Returns: TRUE if the variable can be represented as a number, FALSE
// for strings, blobs, etc.
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
BOOL CVariable::IsDirectlyComparable() const
{
switch ( _variant.vt & ( ~VT_VECTOR ) )
{
case VT_UI1:
case VT_I1:
case VT_UI2:
case VT_I2:
case VT_UI4:
case VT_I4:
case VT_UINT:
case VT_INT:
case VT_R4:
case VT_R8:
case VT_I8:
case VT_UI8:
case VT_BOOL:
case VT_CY:
case VT_DATE:
case VT_FILETIME:
case VT_DECIMAL:
return TRUE;
}
return FALSE;
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::SetVariable - public
//
// Synopsis: A assignment operator; allows the value of a variable to
// be changed.
//
// Arguments: [wcsName] - the variable name
// [pVariant] - new value for this variable
// [ulCreateFlags] - and flags associated with this variable;
// such as requiring an IRowsetScroll
//
// History: 96/Jan/03 DwightKr Created.
// 96/Apr/11 DwightKr Set back link
//
//----------------------------------------------------------------------------
CVariable * CVariableSet::SetVariable( WCHAR const * wcsName,
PROPVARIANT const * pVariant,
ULONG ulCreateFlags )
{
Win4Assert( 0 != wcsName );
ULONG ulHash = ISAPIVariableNameHash( wcsName );
CVariable *pVariable = Find(wcsName, ulHash);
if ( 0 != pVariable )
{
pVariable->SetValue( pVariant, ulCreateFlags );
}
else
{
pVariable = new CVariable( wcsName,
pVariant,
ulCreateFlags );
pVariable->SetNext( _variableSet[ ulHash ] );
if ( 0 != pVariable->GetNext() )
{
pVariable->GetNext()->SetBack( pVariable );
}
_variableSet[ ulHash ] = pVariable;
}
return pVariable;
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::CopyStringValue - public
//
// Synopsis: A assignment operator; allows the value of a variable to
// be changed.
//
// Arguments: [wcsName] - the variable name
// [wcsValue] - value of the variable
// [ulCreateFlags] - and flags associated with this variable;
// such as requiring an IRowsetScroll
// [cwcValue] - # of chars in wcsValue or 0 if unknown
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
void CVariableSet::CopyStringValue( WCHAR const * wcsName,
WCHAR const * wcsValue,
ULONG ulCreateFlags,
ULONG cwcValue )
{
Win4Assert( 0 != wcsName );
Win4Assert( 0 != wcsValue );
if ( 0 == cwcValue )
cwcValue = wcslen( wcsValue );
cwcValue++;
XArray<WCHAR> wcsCopyOfValue( cwcValue );
RtlCopyMemory( wcsCopyOfValue.Get(), wcsValue, cwcValue * sizeof(WCHAR) );
PROPVARIANT propVariant;
propVariant.vt = VT_LPWSTR;
propVariant.pwszVal = wcsCopyOfValue.Get();
SetVariable( wcsName, &propVariant, ulCreateFlags | eParamOwnsVariantMemory );
wcsCopyOfValue.Acquire();
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::AcquireStringValue - public
//
// Synopsis: A assignment operator; allows the value of a variable to
// be changed. Ownership of wcsValue is transferred.
//
// Arguments: [wcsName] - the variable name
// [wcsValue] - value of this variable
// [ulCreateFlags] - and flags associated with this variable;
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
void CVariableSet::AcquireStringValue( WCHAR const * wcsName,
WCHAR * wcsValue,
ULONG ulCreateFlags )
{
Win4Assert( 0 != wcsName );
Win4Assert( 0 != wcsValue );
PROPVARIANT propVariant;
propVariant.vt = VT_LPWSTR;
propVariant.pwszVal = wcsValue;
SetVariable( wcsName, &propVariant, ulCreateFlags | eParamOwnsVariantMemory );
}
void CVariableSet::SetVariable( WCHAR const * wcsName,
XArray<WCHAR> & xValue )
{
Win4Assert( 0 != wcsName );
Win4Assert( 0 != xValue.Get() );
PROPVARIANT propVariant;
propVariant.vt = VT_LPWSTR;
propVariant.pwszVal = xValue.Get();
SetVariable( wcsName, &propVariant, eParamOwnsVariantMemory );
xValue.Acquire();
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::AddVariableSet - public
//
// Synopsis: Adds all variables in the variableSet to this variableSet.
//
// Arguments: [variableSet] - the variableSet to add
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
void CVariableSet::AddVariableSet( CVariableSet & variableSet,
COutputFormat & outputFormat )
{
for ( CVariableSetIter iter(variableSet);
!iter.AtEnd();
iter.Next()
)
{
CVariable * pVariable = iter.Get();
SetVariable( pVariable->GetName(),
pVariable->GetValue(),
pVariable->GetFlags() );
}
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::CVariableSet - copy constructor
//
// Synopsis: makes a copy of the variableSet
//
// Arguments: [variableSet] - the variableSet to copy
//
// History: 96/Jan/03 DwightKr Created.
// 96/Apr/11 DwightKr Set back link
//
//----------------------------------------------------------------------------
CVariableSet::CVariableSet( const CVariableSet & variableSet )
{
RtlZeroMemory( _variableSet, sizeof _variableSet );
for ( CVariableSetIter iter(variableSet);
!iter.AtEnd();
iter.Next()
)
{
CVariable * pVariable = iter.Get();
CVariable * pNewVariable = new CVariable( *pVariable );
XPtr<CVariable> xNewVariable(pNewVariable);
ULONG ulHash = ISAPIVariableNameHash( pNewVariable->GetName() );
//
// Set NEXT & BACK pointers in the hash chain
//
pNewVariable->SetNext( _variableSet[ ulHash ] );
if ( 0 != pNewVariable->GetNext() )
{
pNewVariable->GetNext()->SetBack( pNewVariable );
}
_variableSet[ ulHash ] = pNewVariable;
xNewVariable.Acquire();
}
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::GetValue - public
//
// Synopsis: Gets the value of the variable whose name is specified.
//
// Arguments: [wcsName] - the variable name to return a value for
//
// Returns: PROPVARIANT * to the variable, 0 if no variable with this name.
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
PROPVARIANT * CVariableSet::GetValue( WCHAR const * wcsName ) const
{
CVariable * pVariable = Find( wcsName );
if ( pVariable )
return pVariable->GetValue();
else
return 0;
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::GetStringValueRAW - public
//
// Synopsis: Gets the string value of the variable whose name is specified.
//
// Arguments: [wcsName] - the variable name to return a value for
//
// Returns: WCHAR * to the variable's string representation, 0 if no
// variable with this name.
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
WCHAR const * CVariableSet::GetStringValueRAW( WCHAR const * wcsName,
ULONG ulHash,
COutputFormat & outputFormat,
ULONG & cwcValue )
{
CVariable * pVariable = Find(wcsName, ulHash);
if ( pVariable )
return pVariable->GetStringValueRAW( outputFormat, cwcValue );
else
return 0;
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::AddExtensionControlBlock
//
// Synopsis: Adds QUERY_STRING or STDIN buffer to variable set
//
// Arguments: [webServer] - extension control block to add to variableSet
//
// History: 03-Jan-96 DwightKr Created.
// 11-Jun-97 KyleP Take codepage from web server
// 11-Sep-98 KLam Assert that method is GET or POST
//
//----------------------------------------------------------------------------
void CVariableSet::AddExtensionControlBlock( CWebServer & webServer )
{
//
// Determine if the user has passed the variables via a GET or POST
//
//
// We support only the GET and POST methods
//
BYTE * pszBuffer;
ULONG cbBuffer;
XArray<BYTE> xTemp;
if ( strcmp( webServer.GetMethod(), "GET" ) == 0 )
{
pszBuffer = (BYTE *) webServer.GetQueryString();
cbBuffer = strlen( (char *)pszBuffer );
}
else if ( strcmp( webServer.GetMethod(), "POST" ) == 0 )
{
pszBuffer = (BYTE *) webServer.GetClientData( cbBuffer );
// posts aren't null terminated, and we expect them to be.
xTemp.Init( cbBuffer + 1 );
RtlCopyMemory( xTemp.GetPointer(), pszBuffer, cbBuffer );
xTemp[cbBuffer] = 0;
pszBuffer = xTemp.Get();
}
else
{
//
// The validity of the method should have been checked before
//
Win4Assert ( strcmp( webServer.GetMethod(), "GET" ) == 0
|| strcmp( webServer.GetMethod(), "POST" ) == 0);
}
ciGibDebugOut(( DEB_ITRACE, "QUERY_STRING = %s\n", pszBuffer ));
// NOTE: The pszBuffer is pointing to strings in the ECB. We
// shouldn't modify these strings.
if ( cbBuffer > 0 )
{
//
// Strip off trailing control characters, such as \n\r
//
while ( (cbBuffer > 0) && (pszBuffer[cbBuffer-1] <= ' ') )
{
cbBuffer--;
}
//
// Setup the QUERY_STRING variable in our variableSet
//
XArray<WCHAR> wcsQueryString;
ULONG cwcBuffer = MultiByteToXArrayWideChar( (BYTE * const) pszBuffer,
cbBuffer + 1,
webServer.CodePage(),
wcsQueryString );
Win4Assert( cwcBuffer != 0 && cwcBuffer <= (cbBuffer+1) );
wcsQueryString[ cwcBuffer ] = L'\0';
PROPVARIANT Variant;
Variant.vt = VT_LPWSTR;
Variant.pwszVal = wcsQueryString.Get();
SetVariable( ISAPI_QUERY_STRING, &Variant, eParamOwnsVariantMemory );
wcsQueryString.Acquire();
}
//
// Parse the string, which has the following format:
//
//
// attr1=Value1&attr2=value2&attr3=value+%7c+0&foo&bar
//
CHAR * pszToken = (CHAR *)pszBuffer;
while ( (0 != pszToken) && (0 != *pszToken) )
{
//
// Find the value on the right hand side of the equal sign.
//
CHAR *pszAttribute = pszToken;
CHAR *pszValue = strchr( pszAttribute, '=' );
if ( 0 != pszValue )
{
ULONG cchAttribute = (ULONG)(pszValue - pszAttribute);
pszValue++;
//
// Point to the next attribute.
//
pszToken = strchr( pszToken, '&' );
ULONG cchValue;
if ( 0 != pszToken )
{
if ( pszToken < pszValue )
{
//
// We have a construction like foo&bar=value. Skip the
// 'foo' part.
//
pszToken++;
continue;
}
cchValue = (ULONG)(pszToken - pszValue);
pszToken++;
}
else
{
cchValue = (ULONG)((CHAR *)&pszBuffer[cbBuffer] - pszValue);
}
WCHAR wcsAttribute[200];
if ( cchAttribute >= ( sizeof wcsAttribute / sizeof WCHAR ) )
THROW( CException( DB_E_ERRORSINCOMMAND ) );
DecodeURLEscapes( (BYTE *) pszAttribute, cchAttribute, wcsAttribute,
webServer.CodePage() );
if ( 0 == cchAttribute )
THROW( CException( DB_E_ERRORSINCOMMAND ) );
DecodeHtmlNumeric( wcsAttribute );
//
// We could use Win32 for uppercasing the string, but we're looking for a fixed
// set of attributes that are known to be in this character set.
//
_wcsupr( wcsAttribute );
XArray<WCHAR> wcsValue( cchValue+2 );
DecodeURLEscapes( (BYTE *) pszValue, cchValue, wcsValue.Get(), webServer.CodePage() );
if ( 0 != cchValue )
{
DecodeHtmlNumeric( wcsValue.Get() );
}
ciGibDebugOut(( DEB_ITRACE, "From browser, setting %ws=%ws\n",
wcsAttribute,
wcsValue.Get() ));
SetVariable( wcsAttribute, wcsValue );
}
else if ( 0 != pszToken )
{
//
// There was no attribute=value pair found; a lonely '&' was
// found. Skip it and proceed to the next '&'.
//
pszToken = strchr( pszToken+1, '&' );
}
}
}
//+---------------------------------------------------------------------------
//
// Member: ISAPIVariableNameHash - public
//
// Synopsis: Generates a hash for the name specified
//
// Arguments: [pwcName] - the variable name to hash
//
// Returns: ULONG - hash of the name
//
// History: 96/Jan/03 DwightKr Created.
//
//
//----------------------------------------------------------------------------
ULONG ISAPIVariableNameHash( WCHAR const * pwcName )
{
Win4Assert( 0 != pwcName );
WCHAR const *pwcStart = pwcName;
ULONG ulHash = 0;
while ( 0 != *pwcName )
{
ulHash <<= 1;
ulHash += *pwcName;
pwcName++;
}
ulHash <<= 1;
ulHash += (ULONG)( pwcName - pwcStart );
return ulHash % VARIABLESET_HASH_TABLE_SIZE;
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::~CVariableSet - public
//
// Synopsis: Deletes the variables in the set.
//
// History: 96/Apr/03 dlee Created.
//
//
//----------------------------------------------------------------------------
CVariableSet::~CVariableSet()
{
// Variables delete the next in their chain, so only delete the
// start of each hash chain.
for ( unsigned x = 0; x < VARIABLESET_HASH_TABLE_SIZE; x++ )
delete _variableSet[ x ];
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::Find
//
// Synopsis: Locates a variable in the variableSet with the given name
//
// Arguments: [wcsName] - name of variable to find
// [ulHash] - hashed value of the name
//
// Returns: pVariable if found, 0 otherwise
//
// History: 96/Apr/11 DwightKr Created.
//
//----------------------------------------------------------------------------
CVariable * CVariableSet::Find( WCHAR const * wcsName, ULONG ulHash ) const
{
Win4Assert( ulHash == ISAPIVariableNameHash(wcsName) );
//
// Walk down the chain and try to find a match
// Note: Variable names have been converted to upper case before
// we got this far. Hence, the case insensitive string
// comparison.
//
for ( CVariable * pVariable = _variableSet[ ulHash ];
pVariable != 0;
pVariable = pVariable->GetNext()
)
{
Win4Assert( pVariable != 0);
if ( wcscmp(wcsName, pVariable->GetName() ) == 0 )
{
return pVariable;
}
}
return 0;
}
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::Delete
//
// Synopsis: Deletes a single variable from a variableSet
//
// Arguments: [pVariable] - pointer to variable to delete
//
// History: 96/Apr/11 DwightKr Created.
//
//----------------------------------------------------------------------------
void CVariableSet::Delete( CVariable * pVariable )
{
Win4Assert ( 0 != pVariable );
ULONG ulHash = ISAPIVariableNameHash( pVariable->GetName() );
Win4Assert( Find(pVariable->GetName(), ulHash) == pVariable );
//
// If there is a variable before this one in the hash chain, set its
// next pointer.
//
if ( 0 != pVariable->GetBack() )
{
pVariable->GetBack()->SetNext( pVariable->GetNext() );
}
//
// If there is a variable after this one in the hash chain, set its
// back pointer.
//
if ( 0 != pVariable->GetNext() )
{
pVariable->GetNext()->SetBack( pVariable->GetBack() );
}
//
// Update the array
//
if ( _variableSet[ulHash] == pVariable )
{
_variableSet[ulHash] = pVariable->GetNext();
}
pVariable->SetNext(0);
pVariable->SetBack(0);
delete pVariable;
}
#if (DBG == 1)
//+---------------------------------------------------------------------------
//
// Member: CVariableSet::Dump
//
// Synopsis: Appends each of the variables to the virtual string supplied
//
// Arguments: [string] - string to append data to
//
// History: 96/Jan/03 DwightKr Created.
//
//----------------------------------------------------------------------------
void CVariableSet::Dump( CVirtualString & wcsString,
COutputFormat & outputFormat )
{
for (CVariableSetIter iter(*this);
!iter.AtEnd();
iter.Next() )
{
CVariable *pVariable = iter.Get();
wcsString.StrCat( pVariable->GetName() );
wcsString.CharCat( L'=' );
ULONG cwcValue;
WCHAR * wcsValue = pVariable->GetStringValueRAW( outputFormat, cwcValue);
wcsString.StrCat( wcsValue, cwcValue );
wcsString.StrCat( L"<BR>\n" );
}
}
#endif // DBG == 1