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windows-xp/Source/XPSP1/NT/inetsrv/query/xpr/compare.cxx

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//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 2000.
//
// File: Compare.cxx
//
// Contents: Comparator class for property sets.
//
// Classes: CComparePropSets
//
// History: 07-Jun-92 KyleP Created
// 07-Apr-93 KyleP Convert to CairOle
// 02-Nov-93 KyleP Added allmost all VT_ types
//
// Notes: The following comparisons are suppored
//
// Variant Equality Relational Bitwise
// ----------- ----------- ---------- -------
//
// VT_EMPTY X
// VT_NULL X
// VT_I2 X X X
// VT_I4 X X X
// VT_R4 X X
// VT_R8 X X
// VT_CY X X
// VT_DATE X X
// VT_BSTR X X
// VT_DISPATCH -
// VT_ERROR X X X
// VT_BOOL X
// VT_VARIANT X X
// VT_UNKNOWN -
// VT_DECIMAL X X
// VT_I1 X X X
// VT_UI1 X X X
// VT_UI2 X X X
// VT_UI4 X X X
// VT_I8 X X X
// VT_UI8 X X X
// VT_INT X X X
// VT_UINT X X X
// VT_VOID -
// VT_HRESULT X X X
// VT_PTR -
// VT_SAFEARRAY -
// VT_CARRAY -
// VT_USERDEFINED -
// VT_LPSTR X X
// VT_LPWSTR X X
// VT_FILETIME X X
// VT_BLOB X X
// VT_STREAM
// VT_STORAGE
// VT_STREAMED_OBJECT
// VT_STORED_OBJECT
// VT_BLOB_OBJECT X X
// VT_CF X X
// VT_CLSID X
//
//
// The following are OLE-DB datatypes.
//
// Variant Equality Vector
// ----------- ----------- ------
//
// DBTYPE_EMPTY X
// DBTYPE_NULL X
// DBTYPE_I1 X X
// DBTYPE_UI1 X X
// DBTYPE_I2 X X
// DBTYPE_UI2 X X
// DBTYPE_I4 X X
// DBTYPE_UI4 X X
// DBTYPE_R4 X X
// DBTYPE_R8 X X
// DBTYPE_CY X X
// DBTYPE_DATE X X
// DBTYPE_BSTR X
// DBTYPE_DISPATCH
// DBTYPE_ERROR X
// DBTYPE_BOOL X
// DBTYPE_VARIANT X X
// DBTYPE_UNKNOWN X
// DBTYPE_I8 X X
// DBTYPE_GUID X
// DBTYPE_BYTES X X
// DBTYPE_STR X X
// DBTYPE_WSTR X X
//
//--------------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include <compare.hxx>
#include <coldesc.hxx>
#include <propvar.h>
CComparators VariantCompare;
DBTYPEENUM dbVector(DBTYPEENUM vt)
{
return (DBTYPEENUM) (DBTYPE_VECTOR | vt);
}
//
// DEFAULT. Used for optimization in looped comparisons. If we can't
// determine the way to compare, then use this default.
//
int VT_DEFAULT_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( 0 );
}
//
// VT_EMPTY
//
int VT_EMPTY_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( 0 );
}
BOOL VT_EMPTY_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( TRUE );
}
BOOL VT_EMPTY_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( FALSE );
}
//
// VT_NULL
//
int VT_NULL_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( 0 );
}
BOOL VT_NULL_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( TRUE );
}
BOOL VT_NULL_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( FALSE );
}
//
// VT_I2
//
int VT_I2_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.iVal - v2.iVal );
}
BOOL VT_I2_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.iVal < v2.iVal );
}
BOOL VT_I2_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.iVal <= v2.iVal );
}
BOOL VT_I2_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.iVal >= v2.iVal );
}
BOOL VT_I2_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.iVal > v2.iVal );
}
BOOL VT_I2_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.iVal == v2.iVal );
}
BOOL VT_I2_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.iVal != v2.iVal );
}
BOOL VT_I2_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.iVal & v2.iVal) == v2.iVal );
}
BOOL VT_I2_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.iVal & v2.iVal) != 0 );
}
//
// VT_I4
//
int VT_I4_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( v1.lVal > v2.lVal ) ? 1 : ( v1.lVal < v2.lVal ) ? -1 : 0;
}
BOOL VT_I4_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.lVal < v2.lVal );
}
BOOL VT_I4_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.lVal <= v2.lVal );
}
BOOL VT_I4_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.lVal >= v2.lVal );
}
BOOL VT_I4_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.lVal > v2.lVal );
}
BOOL VT_I4_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.lVal == v2.lVal );
}
BOOL VT_I4_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.lVal != v2.lVal );
}
BOOL VT_I4_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.lVal & v2.lVal) == v2.lVal );
}
BOOL VT_I4_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.lVal & v2.lVal) != 0 );
}
//
// VT_R4
//
//
// We can't use floating point in the kernel. Luckily, it's easy to
// fake comparisons on floating point. The format of an IEEE floating
// point number is:
//
// <sign bit> <biased exponent> <normalized mantissa>
//
// Because the exponent is biased, after flipping the sign bit we can
// make all comparisons as if the numbers were unsigned long.
//
ULONG const R4_SignBit = 0x80000000;
int VT_R4_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
// axp (not x86) generates exceptions when floating point numbers
// don't look like ieee floating point numbers. This can happen
// with bogus queries or bogus values stored in properties or the
// property store.
#if (_X86_ == 1)
return ( v1.fltVal > v2.fltVal ) ? 1 :
( v1.fltVal < v2.fltVal ) ? -1 : 0;
#else
ULONG u1 = v1.ulVal ^ R4_SignBit;
ULONG u2 = v2.ulVal ^ R4_SignBit;
if ( (v1.ulVal & v2.ulVal & R4_SignBit) != 0 )
return ( ( u1 > u2 ) ? -1 : ( u1 < u2 ) ? 1 : 0 );
else
return ( ( u1 > u2 ) ? 1 : ( u1 < u2 ) ? -1 : 0 );
#endif
}
BOOL VT_R4_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_R4_Compare( v1, v2 ) < 0;
}
BOOL VT_R4_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_R4_Compare( v1, v2 ) <= 0;
}
BOOL VT_R4_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_R4_Compare( v1, v2 ) >= 0;
}
BOOL VT_R4_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_R4_Compare( v1, v2 ) > 0;
}
BOOL VT_R4_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.ulVal == v2.ulVal );
}
BOOL VT_R4_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.ulVal != v2.ulVal );
}
//
// VT_R8
//
LONGLONG const R8_SignBit = 0x8000000000000000;
int VT_R8_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
// axp (not x86) generates exceptions when floating point numbers
// don't look like ieee floating point numbers. This can happen
// with bogus queries or bogus values stored in properties or the
// property store.
#if (_X86_ == 1)
return ( v1.dblVal > v2.dblVal ) ? 1 :
( v1.dblVal < v2.dblVal ) ? -1 : 0;
#else
if ( (v1.uhVal.QuadPart & v2.uhVal.QuadPart & R8_SignBit) != 0 )
return( (v1.uhVal.QuadPart ^ R8_SignBit) < (v2.uhVal.QuadPart ^ R8_SignBit) ? 1 :
(v1.uhVal.QuadPart ^ R8_SignBit) == (v2.uhVal.QuadPart ^ R8_SignBit) ? 0 :
-1 );
else
return( (v1.uhVal.QuadPart ^ R8_SignBit) > (v2.uhVal.QuadPart ^ R8_SignBit) ? 1 :
(v1.uhVal.QuadPart ^ R8_SignBit) == (v2.uhVal.QuadPart ^ R8_SignBit) ? 0 :
-1 );
#endif // 0
}
BOOL VT_R8_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_R8_Compare( v1, v2 ) < 0;
}
BOOL VT_R8_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_R8_Compare( v1, v2 ) <= 0;
}
BOOL VT_R8_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_R8_Compare( v1, v2 ) >= 0;
}
BOOL VT_R8_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_R8_Compare( v1, v2 ) > 0;
}
BOOL VT_R8_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart == v2.uhVal.QuadPart );
}
BOOL VT_R8_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart != v2.uhVal.QuadPart );
}
//
// VT_BSTR
//
int VT_BSTR_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
BSTR const pxv1 = v1.bstrVal;
BSTR const pxv2 = v2.bstrVal;
ULONG len = BSTRLEN(pxv1);
if ( BSTRLEN(pxv2) < len )
len = BSTRLEN(pxv2);
int iCmp = _wcsnicmp( pxv1, pxv2, len / sizeof (OLECHAR) );
if ( iCmp != 0 || BSTRLEN(pxv1) == BSTRLEN(pxv2) )
return( iCmp );
if ( BSTRLEN(pxv1) > BSTRLEN(pxv2) )
return( 1 );
else
return( -1 );
}
BOOL VT_BSTR_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_BSTR_Compare( v1, v2 ) < 0 );
}
BOOL VT_BSTR_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_BSTR_Compare( v1, v2 ) <= 0 );
}
BOOL VT_BSTR_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_BSTR_Compare( v1, v2 ) >= 0 );
}
BOOL VT_BSTR_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_BSTR_Compare( v1, v2 ) > 0 );
}
BOOL VT_BSTR_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
BSTR const pxv1 = v1.bstrVal;
BSTR const pxv2 = v2.bstrVal;
return( BSTRLEN(pxv1) == BSTRLEN(pxv2) &&
_wcsnicmp( pxv1, pxv2, BSTRLEN(pxv1) / sizeof (OLECHAR) ) == 0 );
}
BOOL VT_BSTR_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
BSTR const pxv1 = v1.bstrVal;
BSTR const pxv2 = v2.bstrVal;
return( BSTRLEN(pxv1) != BSTRLEN(pxv2) ||
_wcsnicmp( pxv1, pxv2, BSTRLEN(pxv1) / sizeof (OLECHAR) ) != 0 );
}
//
// VT_BOOL
//
int VT_BOOL_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
if (v1.boolVal == 0)
if (v2.boolVal == 0)
return( 0 );
else
return( -1 );
else
if (v2.boolVal == 0)
return( 1 );
else
return( 0 );
}
BOOL VT_BOOL_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( ((v1.boolVal==0) && (v2.boolVal==0)) ||
((v1.boolVal!=0) && (v2.boolVal!=0)) );
}
BOOL VT_BOOL_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( !VT_BOOL_EQ( v1, v2 ) );
}
//
// VT_VARIANT
//
int VT_VARIANT_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
if ( v1.vt != v2.vt )
return v1.vt - v2.vt;
FCmp comp = VariantCompare.GetComparator( (VARENUM) v1.vt );
if (0 == comp)
return 0;
else
return comp( v1, v2 );
}
BOOL VT_VARIANT_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VARIANT_Compare( v1, v2 ) < 0;
}
BOOL VT_VARIANT_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VARIANT_Compare( v1, v2 ) <= 0;
}
BOOL VT_VARIANT_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VARIANT_Compare( v1, v2 ) >= 0;
}
BOOL VT_VARIANT_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VARIANT_Compare( v1, v2 ) > 0;
}
BOOL VT_VARIANT_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VARIANT_Compare( v1, v2 ) == 0;
}
BOOL VT_VARIANT_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VARIANT_Compare( v1, v2 ) != 0;
}
//
// VT_DECIMAL
//
int VT_DEC_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
if ( v1.decVal.sign == v2.decVal.sign &&
v1.decVal.scale == v2.decVal.scale &&
v1.decVal.Hi32 == v2.decVal.Hi32 &&
v1.decVal.Lo64 == v2.decVal.Lo64)
return 0;
int iSign = v1.decVal.sign == DECIMAL_NEG ? -1 : 1;
if ( v1.decVal.sign != v2.decVal.sign )
return iSign;
if ( v1.decVal.scale == v2.decVal.scale )
{
int iRet = 0;
if (v1.decVal.Hi32 != v2.decVal.Hi32)
iRet = (v1.decVal.Hi32 < v2.decVal.Hi32) ? -1 : 1;
else if (v1.decVal.Lo64 != v2.decVal.Lo64)
iRet = (v1.decVal.Lo64 < v2.decVal.Lo64) ? -1 : 1;
return iRet * iSign;
}
double d1;
VarR8FromDec( (DECIMAL*)&v1.decVal, &d1 );
double d2;
VarR8FromDec( (DECIMAL*)&v2.decVal, &d2 );
return (( d1 > d2 ) ? 1 : ( d1 < d2 ) ? -1 : 0);
}
BOOL VT_DEC_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VARIANT_Compare( v1, v2 ) < 0;
}
BOOL VT_DEC_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_DEC_Compare( v1, v2 ) <= 0;
}
BOOL VT_DEC_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_DEC_Compare( v1, v2 ) >= 0;
}
BOOL VT_DEC_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_DEC_Compare( v1, v2 ) > 0;
}
BOOL VT_DEC_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_DEC_Compare( v1, v2 ) == 0;
}
BOOL VT_DEC_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_DEC_Compare( v1, v2 ) != 0;
}
//
// VT_I1
//
int VT_I1_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.cVal - v2.cVal );
}
BOOL VT_I1_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.cVal < v2.cVal );
}
BOOL VT_I1_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.cVal <= v2.cVal );
}
BOOL VT_I1_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.cVal >= v2.cVal );
}
BOOL VT_I1_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.cVal > v2.cVal );
}
BOOL VT_I1_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.cVal == v2.cVal );
}
BOOL VT_I1_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.cVal != v2.cVal );
}
BOOL VT_I1_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.cVal & v2.cVal) == v2.cVal );
}
BOOL VT_I1_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.cVal & v2.cVal) != 0 );
}
//
// VT_UI1
//
int VT_UI1_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.bVal - v2.bVal );
}
BOOL VT_UI1_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.bVal < v2.bVal );
}
BOOL VT_UI1_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.bVal <= v2.bVal );
}
BOOL VT_UI1_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.bVal >= v2.bVal );
}
BOOL VT_UI1_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.bVal > v2.bVal );
}
BOOL VT_UI1_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.bVal == v2.bVal );
}
BOOL VT_UI1_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.bVal != v2.bVal );
}
BOOL VT_UI1_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.bVal & v2.bVal) == v2.bVal );
}
BOOL VT_UI1_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.bVal & v2.bVal) != 0 );
}
//
// VT_UI2
//
int VT_UI2_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uiVal - v2.uiVal );
}
BOOL VT_UI2_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uiVal < v2.uiVal );
}
BOOL VT_UI2_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uiVal <= v2.uiVal );
}
BOOL VT_UI2_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uiVal >= v2.uiVal );
}
BOOL VT_UI2_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uiVal > v2.uiVal );
}
BOOL VT_UI2_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uiVal == v2.uiVal );
}
BOOL VT_UI2_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uiVal != v2.uiVal );
}
BOOL VT_UI2_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.uiVal & v2.uiVal) == v2.uiVal );
}
BOOL VT_UI2_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.uiVal & v2.uiVal) != 0 );
}
//
// VT_UI4
//
int VT_UI4_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( v1.ulVal > v2.ulVal ) ? 1 : ( v1.ulVal < v2.ulVal ) ? -1 : 0;
}
BOOL VT_UI4_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.ulVal < v2.ulVal );
}
BOOL VT_UI4_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.ulVal <= v2.ulVal );
}
BOOL VT_UI4_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.ulVal >= v2.ulVal );
}
BOOL VT_UI4_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.ulVal > v2.ulVal );
}
BOOL VT_UI4_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.ulVal == v2.ulVal );
}
BOOL VT_UI4_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.ulVal != v2.ulVal );
}
BOOL VT_UI4_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.ulVal & v2.ulVal) == v2.ulVal );
}
BOOL VT_UI4_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.ulVal & v2.ulVal) != 0 );
}
//
// VT_I8
//
int VT_I8_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.hVal.QuadPart > v2.hVal.QuadPart ? 1 :
v1.hVal.QuadPart == v2.hVal.QuadPart ? 0 :
-1 );
}
BOOL VT_I8_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.hVal.QuadPart < v2.hVal.QuadPart );
}
BOOL VT_I8_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.hVal.QuadPart <= v2.hVal.QuadPart );
}
BOOL VT_I8_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.hVal.QuadPart >= v2.hVal.QuadPart );
}
BOOL VT_I8_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.hVal.QuadPart > v2.hVal.QuadPart );
}
BOOL VT_I8_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.hVal.QuadPart == v2.hVal.QuadPart );
}
BOOL VT_I8_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.hVal.QuadPart != v2.hVal.QuadPart );
}
BOOL VT_I8_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.hVal.QuadPart & v2.hVal.QuadPart) == v2.hVal.QuadPart );
}
BOOL VT_I8_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.hVal.QuadPart & v2.hVal.QuadPart) != 0 );
}
//
// VT_UI8
//
int VT_UI8_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart > v2.uhVal.QuadPart ? 1 :
v1.uhVal.QuadPart == v2.uhVal.QuadPart ? 0 :
-1 );
}
BOOL VT_UI8_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart < v2.uhVal.QuadPart );
}
BOOL VT_UI8_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart <= v2.uhVal.QuadPart );
}
BOOL VT_UI8_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart >= v2.uhVal.QuadPart );
}
BOOL VT_UI8_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart > v2.uhVal.QuadPart );
}
BOOL VT_UI8_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart == v2.uhVal.QuadPart );
}
BOOL VT_UI8_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.uhVal.QuadPart != v2.uhVal.QuadPart );
}
BOOL VT_UI8_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.uhVal.QuadPart & v2.uhVal.QuadPart) == v2.uhVal.QuadPart );
}
BOOL VT_UI8_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( (v1.uhVal.QuadPart & v2.uhVal.QuadPart) != 0 );
}
//
// VT_LPSTR
//
int VT_LPSTR_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( _stricmp( v1.pszVal, v2.pszVal ) );
}
BOOL VT_LPSTR_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
int rc = _stricmp( v1.pszVal, v2.pszVal );
return( rc < 0 );
}
BOOL VT_LPSTR_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
int rc = _stricmp( v1.pszVal, v2.pszVal );
return( rc <= 0 );
}
BOOL VT_LPSTR_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
int rc = _stricmp( v1.pszVal, v2.pszVal );
return( rc >= 0 );
}
BOOL VT_LPSTR_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
int rc = _stricmp( v1.pszVal, v2.pszVal );
return( rc > 0 );
}
BOOL VT_LPSTR_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( _stricmp( v1.pszVal, v2.pszVal ) == 0 );
}
BOOL VT_LPSTR_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( _stricmp( v1.pszVal, v2.pszVal ) != 0 );
}
//
// VT_LPWSTR
//
int VT_LPWSTR_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
int rc = CompareStringW( LOCALE_SYSTEM_DEFAULT,
NORM_IGNORECASE,
v1.pwszVal,
-1,
v2.pwszVal,
-1 );
//
// rc == 1, means less than
// rc == 2, means equal
// rc == 3, means greater than
//
return rc - 2;
}
BOOL VT_LPWSTR_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( VT_LPWSTR_Compare( v1, v2 ) < 0 );
}
BOOL VT_LPWSTR_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( VT_LPWSTR_Compare( v1, v2 ) <= 0 );
}
BOOL VT_LPWSTR_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( VT_LPWSTR_Compare( v1, v2 ) >= 0 );
}
BOOL VT_LPWSTR_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( VT_LPWSTR_Compare( v1, v2 ) > 0 );
}
BOOL VT_LPWSTR_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( VT_LPWSTR_Compare( v1, v2 ) == 0 );
}
BOOL VT_LPWSTR_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ( VT_LPWSTR_Compare( v1, v2 ) != 0 );
}
//
// VT_BLOB
//
int VT_BLOB_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
ULONG len = v1.blob.cbSize;
if ( v2.blob.cbSize < len )
len = v2.blob.cbSize;
int iCmp = memcmp( v1.blob.pBlobData,
v2.blob.pBlobData,
len );
if ( iCmp != 0 || v1.blob.cbSize == v2.blob.cbSize )
return( iCmp );
if ( v1.blob.cbSize > v2.blob.cbSize )
return( 1 );
else
return( -1 );
}
BOOL VT_BLOB_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_BLOB_Compare( v1, v2 ) < 0 );
}
BOOL VT_BLOB_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_BLOB_Compare( v1, v2 ) <= 0 );
}
BOOL VT_BLOB_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_BLOB_Compare( v1, v2 ) >= 0 );
}
BOOL VT_BLOB_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_BLOB_Compare( v1, v2 ) > 0 );
}
BOOL VT_BLOB_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.blob.cbSize == v2.blob.cbSize &&
memcmp( v1.blob.pBlobData,
v2.blob.pBlobData,
v1.blob.cbSize ) == 0 );
}
BOOL VT_BLOB_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.blob.cbSize != v2.blob.cbSize ||
memcmp( v1.blob.pBlobData,
v2.blob.pBlobData,
v1.blob.cbSize ) != 0 );
}
//
// VT_CF
//
int VT_CF_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
if ( v1.pclipdata->ulClipFmt != v2.pclipdata->ulClipFmt )
{
return( v1.pclipdata->ulClipFmt - v2.pclipdata->ulClipFmt );
}
ULONG len = CBPCLIPDATA(*v1.pclipdata);
if ( CBPCLIPDATA(*v2.pclipdata) < len )
len = CBPCLIPDATA(*v2.pclipdata);
int iCmp = memcmp( v1.pclipdata->pClipData,
v2.pclipdata->pClipData,
len );
if ( iCmp != 0 || v1.pclipdata->cbSize == v2.pclipdata->cbSize )
return( iCmp );
if ( v1.pclipdata->cbSize > v2.pclipdata->cbSize )
return( 1 );
else
return( -1 );
}
BOOL VT_CF_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_CF_Compare( v1, v2 ) < 0 );
}
BOOL VT_CF_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_CF_Compare( v1, v2 ) <= 0 );
}
BOOL VT_CF_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_CF_Compare( v1, v2 ) >= 0 );
}
BOOL VT_CF_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( VT_CF_Compare( v1, v2 ) > 0 );
}
BOOL VT_CF_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.pclipdata->ulClipFmt == v2.pclipdata->ulClipFmt &&
v1.pclipdata->cbSize == v2.pclipdata->cbSize &&
memcmp( v1.pclipdata->pClipData,
v2.pclipdata->pClipData,
CBPCLIPDATA(*v1.pclipdata) ) == 0 );
}
BOOL VT_CF_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( v1.pclipdata->ulClipFmt != v2.pclipdata->ulClipFmt ||
v1.pclipdata->cbSize != v2.pclipdata->cbSize ||
memcmp( v1.pclipdata->pClipData,
v2.pclipdata->pClipData,
CBPCLIPDATA(*v1.pclipdata) ) != 0 );
}
//
// VT_CLSID
//
int VT_CLSID_Compare( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( memcmp( v1.puuid, v2.puuid, sizeof(GUID) ) );
}
BOOL VT_CLSID_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( memcmp( v1.puuid, v2.puuid, sizeof(GUID) ) == 0 );
}
BOOL VT_CLSID_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return( memcmp( v1.puuid, v2.puuid, sizeof(GUID) ) != 0 );
}
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
//
// VTP_EMPTY
//
int VTP_EMPTY_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( TRUE );
}
BOOL VTP_EMPTY_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( TRUE );
}
BOOL VTP_EMPTY_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( FALSE );
}
//
// VTP_NULL
//
int VTP_NULL_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( TRUE );
}
BOOL VTP_NULL_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( TRUE );
}
BOOL VTP_NULL_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( FALSE );
}
//
// VTP_I2
//
int VTP_I2_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (short *) pv1) - (* (short *) pv2) );
}
BOOL VTP_I2_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (short *) pv1) < (* (short *) pv2) );
}
BOOL VTP_I2_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (short *) pv1) <= (* (short *) pv2) );
}
BOOL VTP_I2_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (short *) pv1) >= (* (short *) pv2) );
}
BOOL VTP_I2_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (short *) pv1) > (* (short *) pv2) );
}
BOOL VTP_I2_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (short *) pv1) == (* (short *) pv2) );
}
BOOL VTP_I2_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (short *) pv1) != (* (short *) pv2) );
}
BOOL VTP_I2_AllBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((* (short *) pv1) & (* (short *) pv2)) == (* (short *) pv2) );
}
BOOL VTP_I2_SomeBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((* (short *) pv1) & (* (short *) pv2)) != 0 );
}
//
// VTP_I4
//
int VTP_I4_Compare( BYTE const *pv1, BYTE const *pv2 )
{
long l1 = * (long *) pv1;
long l2 = * (long *) pv2;
return ( l1 > l2 ) ? 1 : ( l1 < l2 ) ? -1 : 0;
}
BOOL VTP_I4_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (long *) pv1) < (* (long *) pv2) );
}
BOOL VTP_I4_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (long *) pv1) <= (* (long *) pv2) );
}
BOOL VTP_I4_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (long *) pv1) >= (* (long *) pv2) );
}
BOOL VTP_I4_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (long *) pv1) > (* (long *) pv2) );
}
BOOL VTP_I4_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (long *) pv1) == (* (long *) pv2) );
}
BOOL VTP_I4_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (long *) pv1) != (* (long *) pv2) );
}
BOOL VTP_I4_AllBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((* (long *) pv1) & (* (long *) pv2)) == (* (long *) pv2) );
}
BOOL VTP_I4_SomeBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((* (long *) pv1) & (* (long *) pv2)) != 0 );
}
//
// VTP_R4
//
//
// We can't use floating point in the kernel. Luckily, it's easy to
// fake comparisons on floating point. The format of an IEEE floating
// point number is:
//
// <sign bit> <biased exponent> <normalized mantissa>
//
// Because the exponent is biased, after flipping the sign bit we can
// make all comparisons as if the numbers were unsigned long.
//
int VTP_R4_Compare( BYTE const *pv1, BYTE const *pv2 )
{
#if 0
ULONG ul1 = * (ULONG *) pv1;
ULONG ul2 = * (ULONG *) pv2;
ULONG u1 = ul1 ^ R4_SignBit;
ULONG u2 = ul2 ^ R4_SignBit;
if ( (ul1 & ul2 & R4_SignBit) != 0 )
return ( ( u1 > u2 ) ? -1 : ( u1 < u2 ) ? 1 : 0 );
else
return ( ( u1 > u2 ) ? 1 : ( u1 < u2 ) ? -1 : 0 );
#else // 0
float f1 = * (float *) pv1;
float f2 = * (float *) pv2;
return ( f1 > f2 ) ? 1 : ( f1 < f2 ) ? -1 : 0;
#endif // 0
}
BOOL VTP_R4_LT( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R4_Compare( pv1, pv2 ) < 0;
}
BOOL VTP_R4_LE( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R4_Compare( pv1, pv2 ) <= 0;
}
BOOL VTP_R4_GE( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R4_Compare( pv1, pv2 ) >= 0;
}
BOOL VTP_R4_GT( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R4_Compare( pv1, pv2 ) > 0;
}
BOOL VTP_R4_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R4_Compare( pv1, pv2 ) == 0;
}
BOOL VTP_R4_NE( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R4_Compare( pv1, pv2 ) != 0;
}
//
// VTP_R8
//
int VTP_R8_Compare( BYTE const *pv1, BYTE const *pv2 )
{
#if 0
ULONGLONG uh1 = * (ULONGLONG *) pv1;
ULONGLONG uh2 = * (ULONGLONG *) pv2;
if ( (uh1 & uh2 & R8_SignBit) != 0 )
return( (uh1 ^ R8_SignBit) < (uh2 ^ R8_SignBit) ? 1 :
(uh1 ^ R8_SignBit) == (uh2 ^ R8_SignBit) ? 0 :
-1 );
else
return( (uh1 ^ R8_SignBit) > (uh2 ^ R8_SignBit) ? 1 :
(uh1 ^ R8_SignBit) == (uh2 ^ R8_SignBit) ? 0 :
-1 );
#else // 0
double d1 = * (double *) pv1;
double d2 = * (double *) pv2;
return ( d1 > d2 ) ? 1 : ( d1 < d2 ) ? -1 : 0;
#endif // 0
}
BOOL VTP_R8_LT( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R8_Compare( pv1, pv2 ) < 0;
}
BOOL VTP_R8_LE( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R8_Compare( pv1, pv2 ) <= 0;
}
BOOL VTP_R8_GE( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R8_Compare( pv1, pv2 ) >= 0;
}
BOOL VTP_R8_GT( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R8_Compare( pv1, pv2 ) > 0;
}
BOOL VTP_R8_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R8_Compare( pv1, pv2 ) == 0;
}
BOOL VTP_R8_NE( BYTE const *pv1, BYTE const *pv2 )
{
return VTP_R8_Compare( pv1, pv2 ) != 0;
}
//
// VTP_BSTR
//
int VTP_BSTR_Compare( BYTE const *pv1, BYTE const *pv2 )
{
BSTR const pxv1 = *(BSTR*)pv1;
BSTR const pxv2 = *(BSTR*)pv2;
ULONG len = BSTRLEN(pxv1);
if ( BSTRLEN(pxv2) < len )
len = BSTRLEN(pxv2);
int iCmp = _wcsnicmp( pxv1, pxv2, len / sizeof (OLECHAR) );
if ( iCmp != 0 || BSTRLEN(pxv1) == BSTRLEN(pxv2) )
return( iCmp );
if ( BSTRLEN(pxv1) > BSTRLEN(pxv2) )
return( 1 );
else
return( -1 );
}
BOOL VTP_BSTR_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_BSTR_Compare( pv1, pv2 ) < 0 );
}
BOOL VTP_BSTR_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_BSTR_Compare( pv1, pv2 ) <= 0 );
}
BOOL VTP_BSTR_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_BSTR_Compare( pv1, pv2 ) >= 0 );
}
BOOL VTP_BSTR_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_BSTR_Compare( pv1, pv2 ) > 0 );
}
BOOL VTP_BSTR_EQ( BYTE const *pv1, BYTE const *pv2 )
{
BSTR const pxv1 = *(BSTR*)pv1;
BSTR const pxv2 = *(BSTR*)pv2;
return( BSTRLEN(pxv1) == BSTRLEN(pxv2) &&
_wcsnicmp( pxv1, pxv2, BSTRLEN(pxv1) / sizeof (OLECHAR) ) == 0 );
}
BOOL VTP_BSTR_NE( BYTE const *pv1, BYTE const *pv2 )
{
BSTR const pxv1 = *(BSTR*)pv1;
BSTR const pxv2 = *(BSTR*)pv2;
return( BSTRLEN(pxv1) != BSTRLEN(pxv2) ||
_wcsnicmp( pxv1, pxv2, BSTRLEN(pxv1) / sizeof (OLECHAR) ) != 0 );
}
//
// VTP_BOOL
//
int VTP_BOOL_Compare( BYTE const *pv1, BYTE const *pv2 )
{
if ((*(VARIANT_BOOL *) pv1) == 0)
if ((*(VARIANT_BOOL *) pv2) == 0)
return( 0 );
else
return( -1 );
else
if ((*(VARIANT_BOOL *) pv2) == 0)
return( 1 );
else
return( 0 );
}
BOOL VTP_BOOL_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( ( ((*(VARIANT_BOOL *) pv1)==0) && ((*(VARIANT_BOOL *) pv2)==0) ) ||
( ((*(VARIANT_BOOL *) pv1)!=0) && ((*(VARIANT_BOOL *) pv2)!=0) ) );
}
BOOL VTP_BOOL_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( !VTP_BOOL_EQ( pv1, pv2 ) );
}
//
// VTP_VARIANT
//
int VTP_VARIANT_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return VT_VARIANT_Compare( * (PROPVARIANT *) pv1, * (PROPVARIANT *) pv2 );
}
BOOL VTP_VARIANT_LT( BYTE const *pv1, BYTE const *pv2 )
{
return VT_VARIANT_LT( * (PROPVARIANT *) pv1, * (PROPVARIANT *) pv2 );
}
BOOL VTP_VARIANT_LE( BYTE const *pv1, BYTE const *pv2 )
{
return VT_VARIANT_LE( * (PROPVARIANT *) pv1, * (PROPVARIANT *) pv2 );
}
BOOL VTP_VARIANT_GE( BYTE const *pv1, BYTE const *pv2 )
{
return VT_VARIANT_GE( * (PROPVARIANT *) pv1, * (PROPVARIANT *) pv2 );
}
BOOL VTP_VARIANT_GT( BYTE const *pv1, BYTE const *pv2 )
{
return VT_VARIANT_GT( * (PROPVARIANT *) pv1, * (PROPVARIANT *) pv2 );
}
BOOL VTP_VARIANT_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return VT_VARIANT_EQ( * (PROPVARIANT *) pv1, * (PROPVARIANT *) pv2 );
}
BOOL VTP_VARIANT_NE( BYTE const *pv1, BYTE const *pv2 )
{
return VT_VARIANT_NE( * (PROPVARIANT *) pv1, * (PROPVARIANT *) pv2 );
}
//
// VTP_DECIMAL
//
int VTP_DEC_Compare( BYTE const *pv1, BYTE const *pv2 )
{
PROPVARIANT v1;
RtlCopyMemory( &v1, pv1, sizeof DECIMAL );
v1.vt = VT_DECIMAL;
PROPVARIANT v2;
RtlCopyMemory( &v2, pv2, sizeof DECIMAL );
v2.vt = VT_DECIMAL;
return VT_DEC_Compare( v1, v2 );
}
BOOL VTP_DEC_LT( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_DEC_Compare( pv1, pv2 ) < 0 );
}
BOOL VTP_DEC_LE( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_DEC_Compare( pv1, pv2 ) <= 0 );
}
BOOL VTP_DEC_GE( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_DEC_Compare( pv1, pv2 ) >= 0 );
}
BOOL VTP_DEC_GT( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_DEC_Compare( pv1, pv2 ) > 0 );
}
BOOL VTP_DEC_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_DEC_Compare( pv1, pv2 ) == 0 );
}
BOOL VTP_DEC_NE( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_DEC_Compare( pv1, pv2 ) != 0 );
}
//
// VTP_I1
//
int VTP_I1_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(signed char *) pv1) - (*(signed char *) pv2) );
}
BOOL VTP_I1_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(signed char *) pv1) < (*(signed char *) pv2) );
}
BOOL VTP_I1_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(signed char *) pv1) <= (*(signed char *) pv2) );
}
BOOL VTP_I1_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(signed char *) pv1) >= (*(signed char *) pv2) );
}
BOOL VTP_I1_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(signed char *) pv1) > (*(signed char *) pv2) );
}
BOOL VTP_I1_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(signed char *) pv1) == (*(signed char *) pv2) );
}
BOOL VTP_I1_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(signed char *) pv1) != (*(signed char *) pv2) );
}
BOOL VTP_I1_AllBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(signed char *) pv1) & (*(signed char *) pv2)) == (*(signed char *) pv2) );
}
BOOL VTP_I1_SomeBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(signed char *) pv1) & (*(signed char *) pv2)) != 0 );
}
//
// VTP_UI1
//
int VTP_UI1_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(unsigned char *) pv1) - (*(unsigned char *) pv2) );
}
BOOL VTP_UI1_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(unsigned char *) pv1) < (*(unsigned char *) pv2) );
}
BOOL VTP_UI1_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(unsigned char *) pv1) <= (*(unsigned char *) pv2) );
}
BOOL VTP_UI1_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(unsigned char *) pv1) >= (*(unsigned char *) pv2) );
}
BOOL VTP_UI1_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(unsigned char *) pv1) > (*(unsigned char *) pv2) );
}
BOOL VTP_UI1_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(unsigned char *) pv1) == (*(unsigned char *) pv2) );
}
BOOL VTP_UI1_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(unsigned char *) pv1) != (*(unsigned char *) pv2) );
}
BOOL VTP_UI1_AllBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(unsigned char *) pv1) & (*(unsigned char *) pv2)) == (*(unsigned char *) pv2) );
}
BOOL VTP_UI1_SomeBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(unsigned char *) pv1) & (*(unsigned char *) pv2)) != 0 );
}
//
// VTP_UI2
//
int VTP_UI2_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(USHORT *) pv1) - (*(USHORT *) pv2) );
}
BOOL VTP_UI2_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(USHORT *) pv1) < (*(USHORT *) pv2) );
}
BOOL VTP_UI2_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(USHORT *) pv1) <= (*(USHORT *) pv2) );
}
BOOL VTP_UI2_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(USHORT *) pv1) >= (*(USHORT *) pv2) );
}
BOOL VTP_UI2_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(USHORT *) pv1) > (*(USHORT *) pv2) );
}
BOOL VTP_UI2_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(USHORT *) pv1) == (*(USHORT *) pv2) );
}
BOOL VTP_UI2_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(USHORT *) pv1) != (*(USHORT *) pv2) );
}
BOOL VTP_UI2_AllBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(USHORT *) pv1) & (*(USHORT *) pv2)) == (*(USHORT *) pv2) );
}
BOOL VTP_UI2_SomeBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(USHORT *) pv1) & (*(USHORT *) pv2)) != 0 );
}
//
// VTP_UI4
//
int VTP_UI4_Compare( BYTE const *pv1, BYTE const *pv2 )
{
ULONG ul1 = * (ULONG *) pv1;
ULONG ul2 = * (ULONG *) pv2;
return ( ul1 > ul2 ) ? 1 : ( ul1 < ul2 ) ? -1 : 0;
}
BOOL VTP_UI4_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONG *) pv1) < (*(ULONG *) pv2) );
}
BOOL VTP_UI4_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONG *) pv1) <= (*(ULONG *) pv2) );
}
BOOL VTP_UI4_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONG *) pv1) >= (*(ULONG *) pv2) );
}
BOOL VTP_UI4_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONG *) pv1) > (*(ULONG *) pv2) );
}
BOOL VTP_UI4_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONG *) pv1) == (*(ULONG *) pv2) );
}
BOOL VTP_UI4_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONG *) pv1) != (*(ULONG *) pv2) );
}
BOOL VTP_UI4_AllBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(ULONG *) pv1) & (*(ULONG *) pv2)) == (*(ULONG *) pv2) );
}
BOOL VTP_UI4_SomeBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(ULONG *) pv1) & (*(ULONG *) pv2)) != 0 );
}
//
// VTP_I8
//
int VTP_I8_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(LONGLONG *) pv1) > (*(LONGLONG *) pv2) ? 1 :
(*(LONGLONG *) pv1) == (*(LONGLONG *) pv2) ? 0 :
-1 );
}
BOOL VTP_I8_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(LONGLONG *) pv1) < (*(LONGLONG *) pv2) );
}
BOOL VTP_I8_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(LONGLONG *) pv1) <= (*(LONGLONG *) pv2) );
}
BOOL VTP_I8_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(LONGLONG *) pv1) >= (*(LONGLONG *) pv2) );
}
BOOL VTP_I8_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(LONGLONG *) pv1) > (*(LONGLONG *) pv2) );
}
BOOL VTP_I8_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(LONGLONG *) pv1) == (*(LONGLONG *) pv2) );
}
BOOL VTP_I8_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(LONGLONG *) pv1) != (*(LONGLONG *) pv2) );
}
BOOL VTP_I8_AllBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(LONGLONG *) pv1) & (*(LONGLONG *) pv2)) == (*(LONGLONG *) pv2) );
}
BOOL VTP_I8_SomeBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(LONGLONG *) pv1) & (*(LONGLONG *) pv2)) != 0 );
}
//
// VTP_UI8
//
int VTP_UI8_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONGLONG *) pv1) > (*(ULONGLONG *) pv2) ? 1 :
(*(ULONGLONG *) pv1) == (*(ULONGLONG *) pv2) ? 0 :
-1 );
}
BOOL VTP_UI8_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONGLONG *) pv1) < (*(ULONGLONG *) pv2) );
}
BOOL VTP_UI8_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONGLONG *) pv1) <= (*(ULONGLONG *) pv2) );
}
BOOL VTP_UI8_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONGLONG *) pv1) >= (*(ULONGLONG *) pv2) );
}
BOOL VTP_UI8_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONGLONG *) pv1) > (*(ULONGLONG *) pv2) );
}
BOOL VTP_UI8_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONGLONG *) pv1) == (*(ULONGLONG *) pv2) );
}
BOOL VTP_UI8_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(ULONGLONG *) pv1) != (*(ULONGLONG *) pv2) );
}
BOOL VTP_UI8_AllBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(ULONGLONG *) pv1) & (*(ULONGLONG *) pv2)) == (*(ULONGLONG *) pv2) );
}
BOOL VTP_UI8_SomeBits( BYTE const *pv1, BYTE const *pv2 )
{
return( ((*(ULONGLONG *) pv1) & (*(ULONGLONG *) pv2)) != 0 );
}
//
// VTP_LPSTR
//
int VTP_LPSTR_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return ( _stricmp( (*(char **) pv1), (*(char **) pv2) ) );
}
BOOL VTP_LPSTR_LT( BYTE const *pv1, BYTE const *pv2 )
{
int rc = _stricmp( (*(char **) pv1), (*(char **) pv2) );
return( rc < 0 );
}
BOOL VTP_LPSTR_LE( BYTE const *pv1, BYTE const *pv2 )
{
int rc = _stricmp( (*(char **) pv1), (*(char **) pv2) );
return( rc <= 0 );
}
BOOL VTP_LPSTR_GE( BYTE const *pv1, BYTE const *pv2 )
{
int rc = _stricmp( (*(char **) pv1), (*(char **) pv2) );
return( rc >= 0 );
}
BOOL VTP_LPSTR_GT( BYTE const *pv1, BYTE const *pv2 )
{
int rc = _stricmp( (*(char **) pv1), (*(char **) pv2) );
return( rc > 0 );
}
BOOL VTP_LPSTR_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( _stricmp( (*(char **) pv1), (*(char **) pv2) ) == 0 );
}
BOOL VTP_LPSTR_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( _stricmp( (*(char **) pv1), (*(char **) pv2) ) != 0 );
}
//
// VTP_LPWSTR
//
int VTP_LPWSTR_Compare( BYTE const *pv1, BYTE const *pv2 )
{
int rc = CompareStringW( LOCALE_SYSTEM_DEFAULT,
NORM_IGNORECASE,
(*(WCHAR **) pv1),
-1,
(*(WCHAR **) pv2),
-1 );
//
// rc == 1, means less than
// rc == 2, means equal
// rc == 3, means greater than
//
return rc - 2;
}
BOOL VTP_LPWSTR_LT( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_LPWSTR_Compare( pv1, pv2 ) < 0 );
}
BOOL VTP_LPWSTR_LE( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_LPWSTR_Compare( pv1, pv2 ) <= 0 );
}
BOOL VTP_LPWSTR_GE( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_LPWSTR_Compare( pv1, pv2 ) >= 0 );
}
BOOL VTP_LPWSTR_GT( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_LPWSTR_Compare( pv1, pv2 ) > 0 );
}
BOOL VTP_LPWSTR_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_LPWSTR_Compare( pv1, pv2 ) == 0 );
}
BOOL VTP_LPWSTR_NE( BYTE const *pv1, BYTE const *pv2 )
{
return ( VTP_LPWSTR_Compare( pv1, pv2 ) != 0 );
}
//
// VTP_BLOB
//
int VTP_BLOB_Compare( BYTE const *pv1, BYTE const *pv2 )
{
ULONG len = (*(BLOB **) pv1)->cbSize;
if ( (*(BLOB **) pv2)->cbSize < len )
len = (*(BLOB **) pv2)->cbSize;
int iCmp = memcmp( (*(BLOB **) pv1)->pBlobData,
(*(BLOB **) pv2)->pBlobData,
len );
if ( iCmp != 0 || (*(BLOB **) pv1)->cbSize == (*(BLOB **) pv2)->cbSize )
return( iCmp );
if ( (*(BLOB **) pv1)->cbSize > (*(BLOB **) pv2)->cbSize )
return( 1 );
else
return( -1 );
}
BOOL VTP_BLOB_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_BLOB_Compare( pv1, pv2 ) < 0 );
}
BOOL VTP_BLOB_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_BLOB_Compare( pv1, pv2 ) <= 0 );
}
BOOL VTP_BLOB_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_BLOB_Compare( pv1, pv2 ) >= 0 );
}
BOOL VTP_BLOB_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_BLOB_Compare( pv1, pv2 ) > 0 );
}
BOOL VTP_BLOB_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(BLOB **) pv1)->cbSize == (*(BLOB **) pv2)->cbSize &&
memcmp( (*(BLOB **) pv1)->pBlobData,
(*(BLOB **) pv2)->pBlobData,
(*(BLOB **) pv1)->cbSize ) == 0 );
}
BOOL VTP_BLOB_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (*(BLOB **) pv1)->cbSize != (*(BLOB **) pv2)->cbSize ||
memcmp( (*(BLOB **) pv1)->pBlobData,
(*(BLOB **) pv2)->pBlobData,
(*(BLOB **) pv1)->cbSize ) != 0 );
}
//
// VTP_CF
//
int VTP_CF_Compare( BYTE const *pv1, BYTE const *pv2 )
{
if ( (* (CLIPDATA **) pv1)->ulClipFmt != (* (CLIPDATA **) pv2)->ulClipFmt )
{
return( (* (CLIPDATA **) pv1)->ulClipFmt - (* (CLIPDATA **) pv2)->ulClipFmt );
}
ULONG len = CBPCLIPDATA( **(CLIPDATA **) pv1 );
if ( CBPCLIPDATA( **(CLIPDATA **) pv2 ) < len )
len = CBPCLIPDATA( **(CLIPDATA **) pv2 );
int iCmp = memcmp( (* (CLIPDATA **) pv1)->pClipData,
(* (CLIPDATA **) pv2)->pClipData,
len );
if ( iCmp != 0 || (* (CLIPDATA **) pv1)->cbSize == (* (CLIPDATA **) pv2)->cbSize)
return( iCmp );
if ( (* (CLIPDATA **) pv1)->cbSize > (* (CLIPDATA **) pv2)->cbSize )
return( 1 );
else
return( -1 );
}
BOOL VTP_CF_LT( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_CF_Compare( pv1, pv2 ) < 0 );
}
BOOL VTP_CF_LE( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_CF_Compare( pv1, pv2 ) <= 0 );
}
BOOL VTP_CF_GE( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_CF_Compare( pv1, pv2 ) >= 0 );
}
BOOL VTP_CF_GT( BYTE const *pv1, BYTE const *pv2 )
{
return( VTP_CF_Compare( pv1, pv2 ) > 0 );
}
BOOL VTP_CF_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (CLIPDATA **) pv1)->ulClipFmt == (* (CLIPDATA **) pv2)->ulClipFmt &&
(* (CLIPDATA **) pv1)->cbSize == (* (CLIPDATA **) pv2)->cbSize &&
memcmp( (* (CLIPDATA **) pv1)->pClipData,
(* (CLIPDATA **) pv2)->pClipData,
CBPCLIPDATA( **(CLIPDATA **) pv1 )) == 0 );
}
BOOL VTP_CF_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( (* (CLIPDATA **) pv1)->ulClipFmt != (* (CLIPDATA **) pv2)->ulClipFmt &&
(* (CLIPDATA **) pv1)->cbSize != (* (CLIPDATA **) pv2)->cbSize ||
memcmp( (* (CLIPDATA **) pv1)->pClipData,
(* (CLIPDATA **) pv2)->pClipData,
CBPCLIPDATA( **(CLIPDATA **) pv1 )) != 0 );
}
//
// VTP_CLSID. V means vector ( a pointer to a guid )
// S meand singleton ( a pointer to a pointer to a guid )
//
int VTP_VV_CLSID_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( pv1, pv2, sizeof GUID ) );
}
int VTP_VS_CLSID_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( pv1, (* (CLSID __RPC_FAR * *) pv2), sizeof GUID ) );
}
int VTP_SV_CLSID_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( (* (CLSID __RPC_FAR * *) pv1), pv2, sizeof GUID ) );
}
int VTP_SS_CLSID_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( (* (CLSID __RPC_FAR * *) pv1), (* (CLSID __RPC_FAR * *) pv2), sizeof GUID ) );
}
BOOL VTP_SS_CLSID_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( (* (CLSID __RPC_FAR * *) pv1), (* (CLSID __RPC_FAR * *) pv2), sizeof GUID ) == 0 );
}
BOOL VTP_SS_CLSID_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( (* (CLSID __RPC_FAR * *) pv1), (* (CLSID __RPC_FAR * *) pv2), sizeof GUID ) != 0 );
}
BOOL VTP_VV_CLSID_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( pv1, pv2, sizeof GUID ) == 0 );
}
BOOL VTP_VV_CLSID_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( pv1, pv2, sizeof GUID ) != 0 );
}
BOOL VTP_VS_CLSID_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( pv1, (* (CLSID __RPC_FAR * *) pv2), sizeof GUID ) == 0 );
}
BOOL VTP_VS_CLSID_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( pv1, (* (CLSID __RPC_FAR * *) pv2), sizeof GUID ) != 0 );
}
BOOL VTP_SV_CLSID_EQ( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( (* (CLSID __RPC_FAR * *) pv1), pv2, sizeof GUID ) == 0 );
}
BOOL VTP_SV_CLSID_NE( BYTE const *pv1, BYTE const *pv2 )
{
return( memcmp( (* (CLSID __RPC_FAR * *) pv1), pv2, sizeof GUID ) != 0 );
}
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
ULONG const CComparators::_iStart = VT_EMPTY;
CComparators::SComparators const CComparators::_aVariantComparators[] = {
// VT_EMPTY
{ VT_EMPTY_Compare, VTP_EMPTY_Compare,
{ 0,
0,
0,
0,
VT_EMPTY_EQ,
VT_EMPTY_NE,
0,
0,
0 },
{ 0,
0,
0,
0,
VTP_EMPTY_EQ,
VTP_EMPTY_NE,
0,
0,
0 },
},
// VT_NULL
{ VT_NULL_Compare, VTP_NULL_Compare,
{ 0,
0,
0,
0,
VT_NULL_EQ,
VT_NULL_NE,
0,
0,
0 },
{ 0,
0,
0,
0,
VTP_NULL_EQ,
VTP_NULL_NE,
0,
0,
0 },
},
// VT_I2
{ VT_I2_Compare, VTP_I2_Compare,
{ VT_I2_LT,
VT_I2_LE,
VT_I2_GT,
VT_I2_GE,
VT_I2_EQ,
VT_I2_NE,
0,
VT_I2_AllBits,
VT_I2_SomeBits
},
{ VTP_I2_LT,
VTP_I2_LE,
VTP_I2_GT,
VTP_I2_GE,
VTP_I2_EQ,
VTP_I2_NE,
0,
VTP_I2_AllBits,
VTP_I2_SomeBits
},
},
// VT_I4
{ VT_I4_Compare, VTP_I4_Compare,
{ VT_I4_LT,
VT_I4_LE,
VT_I4_GT,
VT_I4_GE,
VT_I4_EQ,
VT_I4_NE,
0,
VT_I4_AllBits,
VT_I4_SomeBits
},
{ VTP_I4_LT,
VTP_I4_LE,
VTP_I4_GT,
VTP_I4_GE,
VTP_I4_EQ,
VTP_I4_NE,
0,
VTP_I4_AllBits,
VTP_I4_SomeBits
},
},
// VT_R4
{ VT_R4_Compare, VTP_R4_Compare,
{ VT_R4_LT,
VT_R4_LE,
VT_R4_GT,
VT_R4_GE,
VT_R4_EQ,
VT_R4_NE,
0,
0,
0,
},
{ VTP_R4_LT,
VTP_R4_LE,
VTP_R4_GT,
VTP_R4_GE,
VTP_R4_EQ,
VTP_R4_NE,
0,
0,
0,
},
},
// VT_R8
{ VT_R8_Compare, VTP_R8_Compare,
{ VT_R8_LT,
VT_R8_LE,
VT_R8_GT,
VT_R8_GE,
VT_R8_EQ,
VT_R8_NE,
0,
0,
0,
},
{ VTP_R8_LT,
VTP_R8_LE,
VTP_R8_GT,
VTP_R8_GE,
VTP_R8_EQ,
VTP_R8_NE,
0,
0,
0,
},
},
// VT_CY
{ VT_I8_Compare, VTP_I8_Compare,
{ VT_I8_LT,
VT_I8_LE,
VT_I8_GT,
VT_I8_GE,
VT_I8_EQ,
VT_I8_NE,
0,
0,
0
},
{ VTP_I8_LT,
VTP_I8_LE,
VTP_I8_GT,
VTP_I8_GE,
VTP_I8_EQ,
VTP_I8_NE,
0,
0,
0
},
},
// VT_DATE
{ VT_R8_Compare, VTP_R8_Compare,
{ VT_R8_LT,
VT_R8_LE,
VT_R8_GT,
VT_R8_GE,
VT_R8_EQ,
VT_R8_NE,
0,
0,
0,
},
{ VTP_R8_LT,
VTP_R8_LE,
VTP_R8_GT,
VTP_R8_GE,
VTP_R8_EQ,
VTP_R8_NE,
0,
0,
0,
},
},
// VT_BSTR
{ VT_BSTR_Compare, VTP_BSTR_Compare,
{ VT_BSTR_LT,
VT_BSTR_LE,
VT_BSTR_GT,
VT_BSTR_GE,
VT_BSTR_EQ,
VT_BSTR_NE,
0,
0,
0
},
{ VTP_BSTR_LT,
VTP_BSTR_LE,
VTP_BSTR_GT,
VTP_BSTR_GE,
VTP_BSTR_EQ,
VTP_BSTR_NE,
0,
0,
0
},
},
// VT_DISPATCH
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_ERROR
{ VT_I4_Compare, VTP_I4_Compare,
{ VT_I4_LT,
VT_I4_LE,
VT_I4_GT,
VT_I4_GE,
VT_I4_EQ,
VT_I4_NE,
0,
VT_I4_AllBits,
VT_I4_SomeBits
},
{ VTP_I4_LT,
VTP_I4_LE,
VTP_I4_GT,
VTP_I4_GE,
VTP_I4_EQ,
VTP_I4_NE,
0,
VTP_I4_AllBits,
VTP_I4_SomeBits
},
},
// VT_BOOL
{ VT_BOOL_Compare, VTP_BOOL_Compare,
{ 0,
0,
0,
0,
VT_BOOL_EQ,
VT_BOOL_NE,
0,
0,
0
},
{ 0,
0,
0,
0,
VTP_BOOL_EQ,
VTP_BOOL_NE,
0,
0,
0
},
},
// VT_VARIANT
{ VT_VARIANT_Compare, VTP_VARIANT_Compare,
{ VT_VARIANT_LT,
VT_VARIANT_LE,
VT_VARIANT_GT,
VT_VARIANT_GE,
VT_VARIANT_EQ,
VT_VARIANT_NE,
0,
0,
0,
},
{ VTP_VARIANT_LT,
VTP_VARIANT_LE,
VTP_VARIANT_GT,
VTP_VARIANT_GE,
VTP_VARIANT_EQ,
VTP_VARIANT_NE,
0,
0,
0,
},
},
// VT_UNKNOWN
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_DECIMAL
{ VT_DEC_Compare, VTP_DEC_Compare,
{ VT_DEC_LT,
VT_DEC_LE,
VT_DEC_GT,
VT_DEC_GE,
VT_DEC_EQ,
VT_DEC_NE,
0,
0,
0
},
{ VTP_DEC_LT,
VTP_DEC_LE,
VTP_DEC_GT,
VTP_DEC_GE,
VTP_DEC_EQ,
VTP_DEC_NE,
0,
0,
0
},
},
// VARENUM value 15 unused
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_I1
{ VT_I1_Compare, VTP_I1_Compare,
{ VT_I1_LT,
VT_I1_LE,
VT_I1_GT,
VT_I1_GE,
VT_I1_EQ,
VT_I1_NE,
0,
VT_I1_AllBits,
VT_I1_SomeBits
},
{ VTP_I1_LT,
VTP_I1_LE,
VTP_I1_GT,
VTP_I1_GE,
VTP_I1_EQ,
VTP_I1_NE,
0,
VTP_I1_AllBits,
VTP_I1_SomeBits
},
},
// VT_UI1
{ VT_UI1_Compare, VTP_UI1_Compare,
{ VT_UI1_LT,
VT_UI1_LE,
VT_UI1_GT,
VT_UI1_GE,
VT_UI1_EQ,
VT_UI1_NE,
0,
VT_UI1_AllBits,
VT_UI1_SomeBits
},
{ VTP_UI1_LT,
VTP_UI1_LE,
VTP_UI1_GT,
VTP_UI1_GE,
VTP_UI1_EQ,
VTP_UI1_NE,
0,
VTP_UI1_AllBits,
VTP_UI1_SomeBits
},
},
// VT_UI2
{ VT_UI2_Compare, VTP_UI2_Compare,
{ VT_UI2_LT,
VT_UI2_LE,
VT_UI2_GT,
VT_UI2_GE,
VT_UI2_EQ,
VT_UI2_NE,
0,
VT_UI2_AllBits,
VT_UI2_SomeBits
},
{ VTP_UI2_LT,
VTP_UI2_LE,
VTP_UI2_GT,
VTP_UI2_GE,
VTP_UI2_EQ,
VTP_UI2_NE,
0,
VTP_UI2_AllBits,
VTP_UI2_SomeBits
},
},
// VT_UI4
{ VT_UI4_Compare, VTP_UI4_Compare,
{ VT_UI4_LT,
VT_UI4_LE,
VT_UI4_GT,
VT_UI4_GE,
VT_UI4_EQ,
VT_UI4_NE,
0,
VT_UI4_AllBits,
VT_UI4_SomeBits
},
{ VTP_UI4_LT,
VTP_UI4_LE,
VTP_UI4_GT,
VTP_UI4_GE,
VTP_UI4_EQ,
VTP_UI4_NE,
0,
VTP_UI4_AllBits,
VTP_UI4_SomeBits
},
},
// VT_I8
{ VT_I8_Compare, VTP_I8_Compare,
{ VT_I8_LT,
VT_I8_LE,
VT_I8_GT,
VT_I8_GE,
VT_I8_EQ,
VT_I8_NE,
0,
VT_I8_AllBits,
VT_I8_SomeBits
},
{ VTP_I8_LT,
VTP_I8_LE,
VTP_I8_GT,
VTP_I8_GE,
VTP_I8_EQ,
VTP_I8_NE,
0,
VTP_I8_AllBits,
VTP_I8_SomeBits
},
},
// VT_UI8
{ VT_UI8_Compare, VTP_UI8_Compare,
{ VT_UI8_LT,
VT_UI8_LE,
VT_UI8_GT,
VT_UI8_GE,
VT_UI8_EQ,
VT_UI8_NE,
0,
VT_UI8_AllBits,
VT_UI8_SomeBits
},
{ VTP_UI8_LT,
VTP_UI8_LE,
VTP_UI8_GT,
VTP_UI8_GE,
VTP_UI8_EQ,
VTP_UI8_NE,
0,
VTP_UI8_AllBits,
VTP_UI8_SomeBits
},
},
// VT_INT
{ VT_I4_Compare, VTP_I4_Compare,
{ VT_I4_LT,
VT_I4_LE,
VT_I4_GT,
VT_I4_GE,
VT_I4_EQ,
VT_I4_NE,
0,
VT_I4_AllBits,
VT_I4_SomeBits
},
{ VTP_I4_LT,
VTP_I4_LE,
VTP_I4_GT,
VTP_I4_GE,
VTP_I4_EQ,
VTP_I4_NE,
0,
VTP_I4_AllBits,
VTP_I4_SomeBits
},
},
// VT_UINT
{ VT_UI4_Compare, VTP_UI4_Compare,
{ VT_UI4_LT,
VT_UI4_LE,
VT_UI4_GT,
VT_UI4_GE,
VT_UI4_EQ,
VT_UI4_NE,
0,
VT_UI4_AllBits,
VT_UI4_SomeBits
},
{ VTP_UI4_LT,
VTP_UI4_LE,
VTP_UI4_GT,
VTP_UI4_GE,
VTP_UI4_EQ,
VTP_UI4_NE,
0,
VTP_UI4_AllBits,
VTP_UI4_SomeBits
},
},
// VT_VOID
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_HRESULT
{ VT_I4_Compare, VTP_I4_Compare,
{ VT_I4_LT,
VT_I4_LE,
VT_I4_GT,
VT_I4_GE,
VT_I4_EQ,
VT_I4_NE,
0,
VT_I4_AllBits,
VT_I4_SomeBits
},
{ VTP_I4_LT,
VTP_I4_LE,
VTP_I4_GT,
VTP_I4_GE,
VTP_I4_EQ,
VTP_I4_NE,
0,
VTP_I4_AllBits,
VTP_I4_SomeBits
},
},
// VT_PTR
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_SAFEARRAY
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_CARRAY
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_USERDEFINED
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_LPSTR
{ VT_LPSTR_Compare, VTP_LPSTR_Compare,
{ VT_LPSTR_LT,
VT_LPSTR_LE,
VT_LPSTR_GT,
VT_LPSTR_GE,
VT_LPSTR_EQ,
VT_LPSTR_NE,
0,
0,
0
},
{ VTP_LPSTR_LT,
VTP_LPSTR_LE,
VTP_LPSTR_GT,
VTP_LPSTR_GE,
VTP_LPSTR_EQ,
VTP_LPSTR_NE,
0,
0,
0
},
},
// VT_LPWSTR
{ VT_LPWSTR_Compare, VTP_LPWSTR_Compare,
{ VT_LPWSTR_LT,
VT_LPWSTR_LE,
VT_LPWSTR_GT,
VT_LPWSTR_GE,
VT_LPWSTR_EQ,
VT_LPWSTR_NE,
0,
0,
0
},
{ VTP_LPWSTR_LT,
VTP_LPWSTR_LE,
VTP_LPWSTR_GT,
VTP_LPWSTR_GE,
VTP_LPWSTR_EQ,
VTP_LPWSTR_NE,
0,
0,
0
},
}
};
ULONG const CComparators::_cVariantComparators =
sizeof(CComparators::_aVariantComparators) /
sizeof(CComparators::_aVariantComparators[0]);
ULONG const CComparators::_iStart2 = VT_FILETIME;
CComparators::SComparators const CComparators::_aVariantComparators2[] = {
// VT_FILETIME
{ VT_UI8_Compare, VTP_UI8_Compare,
{ VT_UI8_LT,
VT_UI8_LE,
VT_UI8_GT,
VT_UI8_GE,
VT_UI8_EQ,
VT_UI8_NE,
0,
0,
0
},
{ VTP_UI8_LT,
VTP_UI8_LE,
VTP_UI8_GT,
VTP_UI8_GE,
VTP_UI8_EQ,
VTP_UI8_NE,
0,
0,
0
},
},
// VT_BLOB
{ VT_BLOB_Compare, VTP_BLOB_Compare,
{ VT_BLOB_LT,
VT_BLOB_LE,
VT_BLOB_GT,
VT_BLOB_GE,
VT_BLOB_EQ,
VT_BLOB_NE,
0,
0,
0
},
{ VTP_BLOB_LT,
VTP_BLOB_LE,
VTP_BLOB_GT,
VTP_BLOB_GE,
VTP_BLOB_EQ,
VTP_BLOB_NE,
0,
0,
0
},
},
// VT_STREAM
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_STORAGE
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_STREAMED_OBJECT
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_STORED_OBJECT
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// VT_BLOB_OBJECT
{ VT_BLOB_Compare, VTP_BLOB_Compare,
{ VT_BLOB_LT,
VT_BLOB_LE,
VT_BLOB_GT,
VT_BLOB_GE,
VT_BLOB_EQ,
VT_BLOB_NE,
0,
0,
0
},
{ VTP_BLOB_LT,
VTP_BLOB_LE,
VTP_BLOB_GT,
VTP_BLOB_GE,
VTP_BLOB_EQ,
VTP_BLOB_NE,
0,
0,
0
},
},
// VT_CF
{ VT_CF_Compare, VTP_CF_Compare,
{ VT_CF_LT,
VT_CF_LE,
VT_CF_GT,
VT_CF_GE,
VT_CF_EQ,
VT_CF_NE,
0,
0,
0
},
{ VTP_CF_LT,
VTP_CF_LE,
VTP_CF_GT,
VTP_CF_GE,
VTP_CF_EQ,
VTP_CF_NE,
0,
0,
0
},
},
// VT_CLSID
{ VT_CLSID_Compare, 0, // Vector special-cased in GetPointerComparator
{ 0,
0,
0,
0,
VT_CLSID_EQ,
VT_CLSID_NE,
0,
0,
0
},
{ 0,
0,
0,
0,
0, // Special-cased in GetPointerRelop
0, // Special-cased in GetPointerRelop
0,
0,
0
},
}
};
ULONG const CComparators::_cVariantComparators2 =
sizeof(CComparators::_aVariantComparators2) /
sizeof(CComparators::_aVariantComparators2[0]);
ULONG const CComparators::_iStart3 = DBTYPE_BYTES;
CComparators::SComparators const CComparators::_aVariantComparators3[] = {
// DBTYPE_BYTES
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// DBTYPE_STR
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},
// DBTYPE_WSTR
{ 0, 0,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0 },
}
};
ULONG const CComparators::_cVariantComparators3 =
sizeof(CComparators::_aVariantComparators3) /
sizeof(CComparators::_aVariantComparators3[0]);
ULONG const SortDescend = 1;
ULONG const SortNullFirst = 2;
//+-------------------------------------------------------------------------
//
// Member: CComparePropSets::Init, public
//
// Synopsis: [Re] Initializes property comparator to use a different
// sort order.
//
// Arguments: [cCols] -- Count of columns
// [aKey] -- Sort keys
// [aColIndex] -- Index of column in sort key
//
// History: 16-Jun-92 KyleP Created
//
//--------------------------------------------------------------------------
void CComparePropSets::Init( int cCols,
CSortSet const * pSort,
int aColIndex[] )
{
Win4Assert( QUERY_SORTASCEND == 0 );
Win4Assert( QUERY_SORTDESCEND == SortDescend );
Win4Assert( (QUERY_SORTXASCEND & SortNullFirst) == SortNullFirst );
Win4Assert( (QUERY_SORTXDESCEND & SortNullFirst) == SortNullFirst );
delete _aColComp;
_aColComp = 0;
if ( cCols > 0 )
{
_cColComp = cCols;
_aColComp = new SColCompare[ _cColComp ];
for ( UINT i = 0; i < _cColComp; i++ )
{
if (0 == aColIndex)
_aColComp[i]._iCol = i;
else
_aColComp[i]._iCol = aColIndex[i];
_aColComp[i]._dir = pSort->Get(i).dwOrder;
_aColComp[i]._DirMult =
( ( _aColComp[i]._dir & SortDescend ) != 0 ) ? -1 : 1;
_aColComp[i]._pt = VT_EMPTY;
_aColComp[i]._comp = VT_EMPTY_Compare;
}
}
}
//+-------------------------------------------------------------------------
//
// Member: CComparePropSets::Init, public
//
// Synopsis: [Re] Initializes property comparator to use a different
// sort order. Assumes ascending order. Mostly useful for
// equality testing.
//
// Arguments: [pCols] -- Columns
// [aColIndex] -- Index of column in sort key
//
// History: 02-Nov-93 KyleP Created
//
//--------------------------------------------------------------------------
void CComparePropSets::Init( CColumnSet const & cols )
{
Win4Assert( cols.Size() > 0 );
delete _aColComp;
_aColComp = 0;
_cColComp = cols.Size();
_aColComp = new SColCompare[ _cColComp ];
for ( UINT i = 0; i < _cColComp; i++ )
{
_aColComp[i]._iCol = i;
_aColComp[i]._dir = 0;
_aColComp[i]._DirMult = 1;
_aColComp[i]._pt = VT_EMPTY;
_aColComp[i]._comp = VT_EMPTY_Compare;
}
}
//+-------------------------------------------------------------------------
//
// Member: CComparePropSets::Compare, public
//
// Synopsis: Compares two rows (property sets).
//
// Arguments: [row1] -- First row.
// [row2] -- Second row.
//
// Returns: Column # where row1 > row2 or negative column # where row1
// < row2 or 0 if row1 = row2.
// This odd return code is useful for categorization, so it
// knows the column at which the rows differ.
//
// History: 27-Jun-96 dlee Created
//
//--------------------------------------------------------------------------
int CComparePropSets::Compare( PROPVARIANT ** row1, PROPVARIANT ** row2 )
{
Win4Assert( !IsEmpty() );
Win4Assert( VT_EMPTY == 0 );
Win4Assert( VT_NULL == 1 );
int idiff = 0;
for ( UINT i = 0; i < _cColComp; i++ )
{
ULONG ptRow1 = row1[_aColComp[i]._iCol]->vt;
ULONG ptRow2 = row2[_aColComp[i]._iCol]->vt;
//
// If the property types are incompatible, then 'sort' according
// to type. VT_EMPTY and VT_NULL will sort to beginning.
//
if ( ptRow1 != ptRow2 )
{
idiff = ptRow2 - ptRow1;
break;
}
if ( ptRow1 != _aColComp[i]._pt )
_UpdateCompare( i, (VARENUM) ptRow1 );
Win4Assert( _aColComp[i]._comp != 0 );
idiff = _aColComp[i]._comp( *row1[_aColComp[i]._iCol],
*row2[_aColComp[i]._iCol] ) *
_aColComp[i]._DirMult;
if ( 0 != idiff )
break;
}
if ( idiff < 0 )
return - (int) ( i + 1 );
if ( idiff > 0 )
return i + 1;
return 0;
}
//+-------------------------------------------------------------------------
//
// Member: CComparePropSets::IsLT, public
//
// Synopsis: Compares two rows (property sets).
//
// Arguments: [row1] -- First row.
// [row2] -- Second row.
//
// Returns: TRUE if row1 < row2, FALSE otherwise
//
// History: 16-Jun-92 KyleP Created
//
//--------------------------------------------------------------------------
BOOL CComparePropSets::IsLT( PROPVARIANT ** row1, PROPVARIANT ** row2 )
{
int idiff = Compare( row1, row2 );
return ( idiff < 0 );
}
//+-------------------------------------------------------------------------
//
// Member: CComparePropSets::IsGT, public
//
// Synopsis: Compares two rows (property sets).
//
// Arguments: [row1] -- First row.
// [row2] -- Second row.
//
// Returns: TRUE if row1 > row2, FALSE otherwise
//
// History: 16-Jun-92 KyleP Created
//
//--------------------------------------------------------------------------
BOOL CComparePropSets::IsGT( PROPVARIANT ** row1, PROPVARIANT ** row2 )
{
int idiff = Compare( row1, row2 );
return ( idiff > 0 );
}
//+-------------------------------------------------------------------------
//
// Member: CComparePropSets::IsEQ, public
//
// Synopsis: Compares two rows (property sets).
//
// Arguments: [row1] -- First row.
// [row2] -- Second row.
//
// Returns: TRUE if [row1] == [row2].
//
// History: 02-Nov-93 KyleP Created
//
//--------------------------------------------------------------------------
BOOL CComparePropSets::IsEQ( PROPVARIANT ** row1, PROPVARIANT ** row2 )
{
int idiff = Compare( row1, row2 );
return ( 0 == idiff );
}
//+-------------------------------------------------------------------------
//
// Member: CComparePropSets::_UpdateCompare, private
//
// Effects: Adds the appropriate comparator for column [iCol].
//
// Arguments: [iCol] -- Column to modify.
// [pt] -- New property type.
//
// History: 16-Jun-92 KyleP Created
//
//--------------------------------------------------------------------------
void CComparePropSets::_UpdateCompare( UINT iCol, VARENUM vt )
{
_aColComp[iCol]._pt = vt;
_aColComp[iCol]._comp = VariantCompare.GetComparator( vt );
if ( 0 == _aColComp[iCol]._comp )
_aColComp[iCol]._comp = VT_DEFAULT_Compare;
}
inline void ConvertArrayToVector ( PROPVARIANT const & vIn, PROPVARIANT & vOut )
{
Win4Assert( vIn.vt & VT_ARRAY );
SAFEARRAY * pSa = vIn.parray;
ULONG cDataElements = 1;
for ( unsigned i = 0; i < pSa->cDims; i++ )
{
cDataElements *= pSa->rgsabound[i].cElements;
}
vOut.vt = (vIn.vt & VT_TYPEMASK) | VT_VECTOR;
vOut.caub.cElems = cDataElements;
vOut.caub.pElems = (BYTE *)pSa->pvData;
}
BYTE * _GetNth( PROPVARIANT const & v, unsigned i )
{
Win4Assert( isVector(v) );
switch ( getBaseType( v ) )
{
case VT_I1 :
return (BYTE *) & (v.caub.pElems[i]);
case VT_UI1 :
return (BYTE *) & (v.caub.pElems[i]);
case VT_I2 :
return (BYTE *) & (v.cai.pElems[i]);
case VT_UI2 :
return (BYTE *) & (v.caui.pElems[i]);
case VT_BOOL :
return (BYTE *) & (v.cabool.pElems[i]);
case VT_I4 :
case VT_INT :
return (BYTE *) & (v.cal.pElems[i]);
case VT_UI4 :
case VT_UINT :
return (BYTE *) & (v.caul.pElems[i]);
case VT_R4 :
return (BYTE *) & (v.caflt.pElems[i]);
case VT_ERROR :
return (BYTE *) & (v.cascode.pElems[i]);
case VT_I8 :
return (BYTE *) & (v.cah.pElems[i]);
case VT_UI8 :
return (BYTE *) & (v.cauh.pElems[i]);
case VT_R8 :
return (BYTE *) & (v.cadbl.pElems[i]);
case VT_CY :
return (BYTE *) & (v.cacy.pElems[i]);
case VT_DATE :
return (BYTE *) & (v.cadate.pElems[i]);
case VT_FILETIME :
return (BYTE *) & (v.cafiletime.pElems[i]);
case VT_CLSID :
return (BYTE *) & (v.cauuid.pElems[i]);
case VT_CF :
return (BYTE *) & (v.caclipdata.pElems[i]);
case VT_BSTR :
return (BYTE *) & (v.cabstr.pElems[i]);
case VT_LPSTR :
return (BYTE *) & (v.calpstr.pElems[i]);
case VT_LPWSTR :
return (BYTE *) & (v.calpwstr.pElems[i]);
case VT_VARIANT :
return (BYTE *) & (v.capropvar.pElems[i]);
case VT_DECIMAL :
// NOTE: not valid in a vector, but it could occur due to the
// simplistic conversion of arrays to vectors.
DECIMAL * paDec = (DECIMAL *) v.caub.pElems;
return (BYTE *) (paDec + i);
}
Win4Assert(!"illegal base variant type in vector compare");
return 0;
} //_GetNth
//+-------------------------------------------------------------------------
//
// Member: VT_VECTOR_Compare, public
//
// Effects: Compares two property values, intended to be called when
// at least one of the arguments is a vector
//
// Arguments: [v1] -- 1st variant to compare
// [v2] -- 2nd variant to compare
//
// History: 1-May-95 dlee Created
//
//--------------------------------------------------------------------------
int VT_VECTOR_Compare( PROPVARIANT const & v1In, PROPVARIANT const & v2In )
{
// must be the same datatype, or just sort on type
if ( ( v1In.vt != v2In.vt ) )
return v1In.vt - v2In.vt;
PROPVARIANT v1 = v1In;
PROPVARIANT v2 = v2In;
if ( isArray(v1In) )
{
Win4Assert( isArray(v2In) );
SAFEARRAY * pSa1 = v1In.parray;
SAFEARRAY * pSa2 = v2In.parray;
if (pSa1->cDims != pSa2->cDims)
return pSa1->cDims - pSa2->cDims;
ULONG cDataElements = 1;
for ( unsigned i = 0; i < pSa1->cDims; i++ )
{
if ( pSa1->rgsabound[i].lLbound != pSa2->rgsabound[i].lLbound )
return pSa1->rgsabound[i].lLbound - pSa2->rgsabound[i].lLbound;
if ( pSa1->rgsabound[i].cElements != pSa2->rgsabound[i].cElements )
return pSa1->rgsabound[i].cElements - pSa2->rgsabound[i].cElements;
cDataElements *= pSa1->rgsabound[i].cElements;
}
//
// arrays match in type, total size and dimensions. Compare as vectors.
//
v1.vt = v2.vt = (v1In.vt & VT_TYPEMASK) | VT_VECTOR;
v1.caub.cElems = v2.caub.cElems = cDataElements;
v1.caub.pElems = (BYTE *)pSa1->pvData;
v2.caub.pElems = (BYTE *)pSa2->pvData;
}
Win4Assert( isVector(v1) );
FPCmp cmp = VariantCompare.GetPointerComparator( v1, v2 );
if (0 == cmp)
{
// vector of an unhandled type
ciDebugOut(( DEB_ERROR,
"Unknown property type %d (%x) used in comparison.\n",
v1.vt, v1.vt ));
Win4Assert(! "VT_VECTOR_Compare: vector compare of unhandled type" );
return 0;
}
unsigned cMin = __min( v1.cal.cElems, v2.cal.cElems );
for ( unsigned x = 0; x < cMin; x++ )
{
int r = cmp( _GetNth( v1, x), _GetNth( v2, x ) );
if (0 != r)
return r;
}
// All equal so far up to the minimum cardinality of the vectors.
// Any difference now would be due to the cardinality.
return v1.cal.cElems - v2.cal.cElems;
} //VT_VECTOR_Compare
int VTP_VECTOR_Compare( BYTE const *pv1, BYTE const *pv2 )
{
return VT_VECTOR_Compare( ** (PROPVARIANT **) pv1,
** (PROPVARIANT **) pv2 );
} //VTP_VECTOR_Compare
BOOL VT_VECTOR_LT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Compare( v1, v2 ) < 0;
} //VT_VECTOR_LT
BOOL VT_VECTOR_LE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Compare( v1, v2 ) <= 0;
} //VT_VECTOR_LE
BOOL VT_VECTOR_GT( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ! VT_VECTOR_LE( v1, v2 );
} //VT_VECTOR_GT
BOOL VT_VECTOR_GE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return ! VT_VECTOR_LT( v1, v2 );
} //VT_VECTOR_GE
BOOL VT_VECTOR_EQ( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Compare( v1, v2 ) == 0;
} //VT_VECTOR_EQ
BOOL VT_VECTOR_NE( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return !VT_VECTOR_EQ( v1, v2 );
} //VT_VECTOR_NE
BOOL VT_VECTOR_Common(
PROPVARIANT const & v1,
PROPVARIANT const & v2,
ULONG relop )
{
// must be the same datatype and a vector or it doesn't compare.
if ( ( v1.vt != v2.vt ) || ! isVector( v1 ) )
return FALSE;
// must be same cardinality, or it doesn't compare
if ( v1.cal.cElems != v2.cal.cElems )
return FALSE;
FPRel cmp = VariantCompare.GetPointerRelop( v1, v2, relop );
if ( 0 == cmp )
return FALSE;
unsigned cElems = v1.cal.cElems;
for ( unsigned x = 0; x < cElems; x++ )
{
if ( !cmp( _GetNth( v1, x), _GetNth( v2, x ) ) )
return FALSE;
}
return TRUE;
} //VT_VECTOR_Common
BOOL VT_VECTOR_AllBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Common( v1, v2, PRAllBits );
} //VT_VECTOR_AllBits
BOOL VT_VECTOR_SomeBits( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Common( v1, v2, PRSomeBits );
} //VT_VECTOR_SomeBits
////////////////////////////////////
////////////////////////////////////
////////////////////////////////////
BOOL VT_VECTOR_Any(
PROPVARIANT const & v1In,
PROPVARIANT const & v2In,
ULONG relop )
{
//
// Note: first parameter (v1) is the object's property value
// second parameter (v2) is the query restriction
//
// return TRUE if any element in v1 holds the relation to any v2 element
//
// base type of variant must be the same
if ( getBaseType( v1In ) != getBaseType( v2In ) )
return FALSE;
//
// If either argument is a safearray, convert it to a vector
//
PROPVARIANT v1 = v1In;
if (isArray(v1))
ConvertArrayToVector( v1In, v1 );
PROPVARIANT v2 = v2In;
if (isArray(v2))
ConvertArrayToVector( v2In, v2 );
// first check for two singletons
if ( ! isVector( v1 ) && ! isVector( v2 ) )
{
FRel cmp = VariantCompare.GetRelop( (VARENUM) v1.vt, relop );
if ( 0 == cmp )
return FALSE;
else
return cmp( v1, v2 );
}
// two vectors or singleton+vector -- get a pointer comparator
FPRel cmp = VariantCompare.GetPointerRelop( v1, v2, relop );
if ( 0 == cmp )
return FALSE;
// check for two vectors
if ( isVector( v1 ) && isVector( v2 ) )
{
for ( unsigned x1 = 0; x1 < v1.cal.cElems; x1++ )
{
for ( unsigned x2 = 0; x2 < v2.cal.cElems; x2++ )
{
if ( cmp( _GetNth( v1, x1), _GetNth( v2, x2 ) ) )
return TRUE;
}
}
}
else
{
// must be a singleton and a vector
if ( isVector( v1 ) )
{
BYTE * pb2 = (BYTE *) &(v2.lVal);
if ( VT_DECIMAL == v2.vt )
pb2 = (BYTE *) &(v2.decVal);
for ( unsigned i = 0; i < v1.cal.cElems; i++ )
{
if ( cmp( _GetNth( v1, i ), pb2 ) )
return TRUE;
}
}
else
{
BYTE * pb1 = (BYTE *) &(v1.lVal);
if ( VT_DECIMAL == v1.vt )
pb1 = (BYTE *) &(v1.decVal);
for ( unsigned i = 0; i < v2.cal.cElems; i++ )
{
if ( cmp( pb1, _GetNth( v2, i ) ) )
return TRUE;
}
}
}
return FALSE;
} //VT_VECTOR_Any
BOOL VT_VECTOR_LT_Any( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Any( v1, v2, PRLT );
} //VT_VECTOR_LT_Any
BOOL VT_VECTOR_LE_Any( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Any( v1, v2, PRLE );
} //VT_VECTOR_LE_Any
BOOL VT_VECTOR_GT_Any( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Any( v1, v2, PRGT );
} //VT_VECTOR_GT_Any
BOOL VT_VECTOR_GE_Any( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Any( v1, v2, PRGE );
} //VT_VECTOR_GE_Any
BOOL VT_VECTOR_EQ_Any( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Any( v1, v2, PREQ );
} //VT_VECTOR_EQ_Any
BOOL VT_VECTOR_NE_Any( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Any( v1, v2, PRNE );
} //VT_VECTOR_NE_Any
BOOL VT_VECTOR_AllBits_Any( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Any( v1, v2, PRAllBits );
} //VT_VECTOR_AllBits_Any
BOOL VT_VECTOR_SomeBits_Any( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_Any( v1, v2, PRSomeBits );
} //VT_VECTOR_SomeBits_Any
////////////////////////////////////
////////////////////////////////////
////////////////////////////////////
BOOL VT_VECTOR_All(
PROPVARIANT const & v1In,
PROPVARIANT const & v2In,
ULONG relop )
{
//
// Note: first parameter (v1) is the object's property value
// second parameter (v2) is the query restriction
//
// each element in v2 must hold the relation to each element v1
// (not necessarily vice-versa)
//
// base type of variant must be the same
if ( getBaseType( v1In ) != getBaseType( v2In ) )
return FALSE;
//
// If either argument is a safearray, convert it to a vector
//
PROPVARIANT v1 = v1In;
if (isArray(v1))
ConvertArrayToVector( v1In, v1 );
PROPVARIANT v2 = v2In;
if (isArray(v2))
ConvertArrayToVector( v2In, v2 );
// first check for two singletons
if ( ! isVector( v1 ) && ! isVector( v2 ) )
{
FRel cmp = VariantCompare.GetRelop( (VARENUM) v1.vt, relop );
if ( 0 == cmp )
return FALSE;
else
return cmp( v1, v2 );
}
// two vectors or singleton+vector -- get a pointer comparator
FPRel cmp = VariantCompare.GetPointerRelop( v1, v2, relop );
if ( 0 == cmp )
return FALSE;
// check for two vectors
if ( isVector( v1 ) && isVector( v2 ) )
{
// Don't match empty vectors in queries.
if ( 0 == v2.cal.cElems )
return FALSE;
//
// Make sure the relation holds true for each element in the query
// paired with each element in the file's value.
//
for ( unsigned x2 = 0; x2 < v2.cal.cElems; x2++ )
{
for ( unsigned x1 = 0; x1 < v1.cal.cElems; x1++ )
{
if ( ! cmp( _GetNth( v1, x1), _GetNth( v2, x2 ) ) )
return FALSE;
}
}
}
else
{
// must be a singleton and a vector
if ( isVector( v1 ) )
{
BYTE * pb2 = (BYTE *) &(v2.lVal);
if ( VT_DECIMAL == v2.vt )
pb2 = (BYTE *) &(v2.decVal);
for ( unsigned i = 0; i < v1.cal.cElems; i++ )
{
if ( ! cmp( _GetNth( v1, i ), pb2 ) )
return FALSE;
}
}
else
{
BYTE * pb1 = (BYTE *) &(v1.lVal);
if ( VT_DECIMAL == v1.vt )
pb1 = (BYTE *) &(v1.decVal);
for ( unsigned i = 0; i < v2.cal.cElems; i++ )
{
if ( ! cmp( pb1, _GetNth( v2, i ) ) )
return FALSE;
}
}
}
return TRUE;
} //VT_VECTOR_All
BOOL VT_VECTOR_LT_All( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_All( v1, v2, PRLT );
} //VT_VECTOR_LT_All
BOOL VT_VECTOR_LE_All( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_All( v1, v2, PRLE );
} //VT_VECTOR_LE_All
BOOL VT_VECTOR_GT_All( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_All( v1, v2, PRGT );
} //VT_VECTOR_GT_All
BOOL VT_VECTOR_GE_All( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_All( v1, v2, PRGE );
} //VT_VECTOR_GE_All
BOOL VT_VECTOR_EQ_All( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_All( v1, v2, PREQ );
} //VT_VECTOR_EQ_All
BOOL VT_VECTOR_NE_All( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_All( v1, v2, PRNE );
} //VT_VECTOR_NE_All
BOOL VT_VECTOR_AllBits_All( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_All( v1, v2, PRAllBits );
} //VT_VECTOR_AllBits_All
BOOL VT_VECTOR_SomeBits_All( PROPVARIANT const & v1, PROPVARIANT const & v2 )
{
return VT_VECTOR_All( v1, v2, PRSomeBits );
} //VT_VECTOR_SomeBits_All
////////////////////////////////////
////////////////////////////////////
////////////////////////////////////
FRel const CComparators::_aVectorComparators[] =
{
VT_VECTOR_LT,
VT_VECTOR_LE,
VT_VECTOR_GT,
VT_VECTOR_GE,
VT_VECTOR_EQ,
VT_VECTOR_NE,
0,
VT_VECTOR_AllBits,
VT_VECTOR_SomeBits
};
ULONG const CComparators::_cVectorComparators =
sizeof CComparators::_aVectorComparators /
sizeof CComparators::_aVectorComparators[0];
FRel const CComparators::_aVectorComparatorsAll[] =
{
VT_VECTOR_LT_All,
VT_VECTOR_LE_All,
VT_VECTOR_GT_All,
VT_VECTOR_GE_All,
VT_VECTOR_EQ_All,
VT_VECTOR_NE_All,
0,
VT_VECTOR_AllBits_All,
VT_VECTOR_SomeBits_All
};
ULONG const CComparators::_cVectorComparatorsAll =
sizeof CComparators::_aVectorComparatorsAll /
sizeof CComparators::_aVectorComparatorsAll[0];
FRel const CComparators::_aVectorComparatorsAny[] =
{
VT_VECTOR_LT_Any,
VT_VECTOR_LE_Any,
VT_VECTOR_GT_Any,
VT_VECTOR_GE_Any,
VT_VECTOR_EQ_Any,
VT_VECTOR_NE_Any,
0,
VT_VECTOR_AllBits_Any,
VT_VECTOR_SomeBits_Any
};
ULONG const CComparators::_cVectorComparatorsAny =
sizeof CComparators::_aVectorComparatorsAny /
sizeof CComparators::_aVectorComparatorsAny[0];
////////////////////////////////////
////////////////////////////////////
////////////////////////////////////
FCmp CComparators::GetComparator( VARENUM vt )
{
if ( isVectorOrArray( vt ) )
{
return VT_VECTOR_Compare;
}
else if ( vt >= _iStart && vt < _iStart + _cVariantComparators )
{
return( _aVariantComparators[vt].comparator );
}
else if ( vt >= _iStart2 && vt < _iStart2 + _cVariantComparators2 )
{
return( _aVariantComparators2[vt - _iStart2].comparator );
}
else if ( vt >= _iStart3 && vt < _iStart3 + _cVariantComparators3 )
{
return( _aVariantComparators3[vt - _iStart3].comparator );
}
else
{
ciDebugOut(( DEB_ERROR,
"CComparators::GetComparator Unknown property type %d in comparison.\n",
vt ));
Win4Assert( !"Unknown property type used in comparison." );
return( 0 );
}
} //GetComparator
FRel CComparators::GetRelop( VARENUM vt, ULONG relop )
{
if ( ( ( isVectorOrArray( vt ) ) ||
( isVectorRelop( relop ) ) ) &&
( getBaseRelop( relop ) < _cVectorComparators ) )
{
if ( isRelopAny( relop ) )
return _aVectorComparatorsAny[ getBaseRelop( relop ) ];
else if ( isRelopAll( relop ) )
return _aVectorComparatorsAll[ getBaseRelop( relop ) ];
else
return _aVectorComparators[ relop ];
}
else if ( vt >= _iStart && vt < _cVariantComparators &&
relop < sizeof(_aVariantComparators[0].relops)/
sizeof(_aVariantComparators[0].relops[0] ) )
{
return( _aVariantComparators[vt].relops[relop] );
}
else if ( vt >= _iStart2 && vt < _iStart2 + _cVariantComparators2 &&
relop < sizeof(_aVariantComparators2[0].relops)/
sizeof(_aVariantComparators2[0].relops[0] ) )
{
return( _aVariantComparators2[vt - _iStart2].relops[relop] );
}
else if ( vt >= _iStart3 && vt < _iStart3 + _cVariantComparators3 &&
relop < sizeof(_aVariantComparators3[0].relops)/
sizeof(_aVariantComparators3[0].relops[0] ) )
{
return( _aVariantComparators3[vt - _iStart3].relops[relop] );
}
else
{
ciDebugOut(( DEB_ERROR,
"CComparators::GetRelop Unknown property type %d or relation %d used in comparison.\n",
vt, relop ));
Win4Assert( !"Unknown property type or relop used in comparison." );
return( 0 );
}
} //GetRelop
FPCmp CComparators::GetPointerComparator(
PROPVARIANT const & v1,
PROPVARIANT const & v2 )
{
VARENUM vt = getBaseType( v1 );
if ( VT_CLSID == vt )
{
// GUIDs are the only case of variants where the data inside
// a singleton is different from an element in a vector.
// Data in a singleton is a pointer to a guid.
// Data in the element of a vector is the guid itself.
// The vector compare code assumes that the layout of singletons
// and vectors is the same, so we need special-case comparators
// for GUIDs.
if ( isVector( v1 ) && isVector( v2 ) )
return VTP_VV_CLSID_Compare;
else if ( isVector( v1 ) )
return VTP_VS_CLSID_Compare;
else if ( isVector( v2 ) )
return VTP_SV_CLSID_Compare;
else
return VTP_SS_CLSID_Compare;
Win4Assert( !"unanticipated clsid / vector code path" );
}
if ( vt >= _iStart && vt < _iStart + _cVariantComparators )
return( _aVariantComparators[vt].pointercomparator );
else if ( vt >= _iStart2 && vt < _iStart2 + _cVariantComparators2 )
return( _aVariantComparators2[vt - _iStart2].pointercomparator );
else if ( vt >= _iStart3 && vt < _iStart3 + _cVariantComparators3 )
return( _aVariantComparators3[vt - _iStart3].pointercomparator );
else
{
ciDebugOut(( DEB_ERROR,
"CComparators::GetPointerComparator Unknown property type %d in comparison.\n",
vt ));
Win4Assert( !"Unknown property type used in pointer comparison." );
return( 0 );
}
} //GetPointerComparator
FPRel CComparators::GetPointerRelop(
PROPVARIANT const & v1,
PROPVARIANT const & v2,
ULONG relop )
{
VARENUM vt = getBaseType( v1 );
if ( VT_CLSID == vt )
{
// GUIDs are the only case of variants where the data inside
// a singleton is different from an element in a vector.
// Data in a singleton is a pointer to a guid.
// Data in the element of a vector is the guid itself.
// The vector compare code assumes that the layout of singletons
// and vectors is the same, so we need special-case comparators
// for GUIDs.
if ( isVector( v1 ) && isVector( v2 ) )
{
if ( PREQ == relop )
return VTP_VV_CLSID_EQ;
else if ( PRNE == relop )
return VTP_VV_CLSID_NE;
else
return 0;
}
else if ( isVector( v1 ) )
{
if ( PREQ == relop )
return VTP_VS_CLSID_EQ;
else if ( PRNE == relop )
return VTP_VS_CLSID_NE;
else
return 0;
}
else if ( isVector( v2 ) )
{
if ( PREQ == relop )
return VTP_SV_CLSID_EQ;
else if ( PRNE == relop )
return VTP_SV_CLSID_NE;
else
return 0;
}
else
{
if ( PREQ == relop )
return VTP_SS_CLSID_EQ;
else if ( PRNE == relop )
return VTP_SS_CLSID_NE;
else
return 0;
}
}
if ( vt >= _iStart && vt < _cVariantComparators &&
relop < sizeof(_aVariantComparators[0].pointerrelops)/
sizeof(_aVariantComparators[0].pointerrelops[0] ) )
return( _aVariantComparators[vt].pointerrelops[relop] );
else if ( vt >= _iStart2 && vt < _iStart2 + _cVariantComparators2 &&
relop < sizeof(_aVariantComparators2[0].pointerrelops)/
sizeof(_aVariantComparators2[0].pointerrelops[0] ) )
return( _aVariantComparators2[vt - _iStart2].pointerrelops[relop] );
else if ( vt >= _iStart3 && vt < _iStart3 + _cVariantComparators3 &&
relop < sizeof(_aVariantComparators3[0].pointerrelops)/
sizeof(_aVariantComparators3[0].pointerrelops[0] ) )
return( _aVariantComparators3[vt - _iStart3].pointerrelops[relop] );
else
{
ciDebugOut(( DEB_ERROR,
"CComparators::GetPointerRelop Unknown property type %d or relation %d used in comparison.\n",
vt, relop ));
Win4Assert( !"Unknown property type or relop used in pointer comparison." );
return( 0 );
}
} //GetPointerRelop
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
int DBVector_Compare( DBTYPEENUM type, BYTE const * p1, BYTE const * p2 )
{
//
// Convert to variants and use the normal variant vector comparator.
// This is a little bit slow, but it is an odd case and the code size
// otherwise would be greatly increased.
//
PROPVARIANT v1,v2;
Win4Assert( isVector(type) );
v1.vt = v2.vt = (VARENUM) type;
v1.cal = *(CAL *) p1;
v2.cal = *(CAL *) p2;
return VT_VECTOR_Compare( v1, v2 );
} //DBVector_Compare
int DBTYPE_EMPTY_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( 0 );
}
int DBTYPE_NULL_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( 0 );
}
int DBTYPE_I1_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( *(signed char *)pv1 - *(signed char *)pv2 );
}
int DBTYPE_I1_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_I1 ), pv1, pv2);
}
int DBTYPE_UI1_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( *(unsigned char *)pv1 - *(unsigned char *)pv2 );
}
int DBTYPE_UI1_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_UI1 ), pv1, pv2);
}
int DBTYPE_I2_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( *(short *)pv1 - *(short *)pv2 );
}
int DBTYPE_I2_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_I2 ), pv1, pv2);
}
int DBTYPE_UI2_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( *(unsigned short *)pv1 - *(unsigned short *)pv2 );
}
int DBTYPE_UI2_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_UI2 ), pv1, pv2);
}
int DBTYPE_I4_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
long l1 = * (long *) pv1;
long l2 = * (long *) pv2;
return ( l1 > l2 ) ? 1 : ( l1 < l2 ) ? -1 : 0;
}
int DBTYPE_I4_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_I4 ), pv1, pv2);
}
int DBTYPE_UI4_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
ULONG ul1 = * (ULONG *) pv1;
ULONG ul2 = * (ULONG *) pv2;
return ( ul1 > ul2 ) ? 1 : ( ul1 < ul2 ) ? -1 : 0;
}
int DBTYPE_UI4_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_UI4 ), pv1, pv2);
}
int DBTYPE_R4_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return VTP_R4_Compare( pv1, pv2 );
}
int DBTYPE_R4_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_R4 ), pv1, pv2);
}
int DBTYPE_R8_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return VTP_R8_Compare( pv1, pv2 );
}
int DBTYPE_R8_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_R8 ), pv1, pv2);
}
int DBTYPE_I8_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( *(LONGLONG *)pv1 > *(LONGLONG *)pv2 ? 1 :
*(LONGLONG *)pv1 == *(LONGLONG *)pv2 ? 0 :
-1 );
}
int DBTYPE_I8_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_I8 ), pv1, pv2);
}
int DBTYPE_UI8_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( *(ULONGLONG *)pv1 > *(ULONGLONG *)pv2 ? 1 :
*(ULONGLONG *)pv1 == *(ULONGLONG *)pv2 ? 0 :
-1 );
}
int DBTYPE_UI8_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_UI8 ), pv1, pv2);
}
int DBTYPE_BOOL_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( (*(USHORT *)pv1 == 0) == (*(USHORT *)pv2 == 0) );
}
int DBTYPE_BOOL_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_BOOL ), pv1, pv2);
}
int DBTYPE_VARIANT_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return VT_VARIANT_Compare( * (PROPVARIANT *) pv1, * (PROPVARIANT *) pv2 );
}
int DBTYPE_GUID_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return( memcmp( pv1, pv2, sizeof(GUID) ) );
}
int DBTYPE_GUID_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( DBTYPE_GUID ), pv1, pv2);
}
int DBTYPE_BYTES_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
ULONG mincb = __min( cb1, cb2 );
int result = memcmp( pv1, pv2, mincb );
if (result == 0)
result = cb1 - cb2;
return result;
}
int DBTYPE_STR_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
int cMin = __min( cb1, cb2 );
int ret = _strnicmp( (char *) pv1, (char *) pv2, cMin );
if (0 == ret)
return cb1 - cb2;
else
return ret;
}
int DBTYPE_WSTR_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
int cMin = __min( cb1, cb2 );
int ret = _wcsnicmp( (WCHAR *) pv1, (WCHAR *) pv2, cMin );
if (0 == ret)
return cb1 - cb2;
else
return ret;
}
int DBTYPE_BSTR_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return VTP_BSTR_Compare( pv1, pv2 );
}
int DBTYPE_BSTR_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( (DBTYPEENUM) VT_BSTR ), pv1, pv2);
}
int DBTYPE_LPSTR_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return _stricmp( (*(char **) pv1), (*(char **) pv2) );
}
int DBTYPE_LPSTR_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( (DBTYPEENUM) VT_LPSTR ), pv1, pv2);
}
int DBTYPE_LPWSTR_Compare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
int rc = CompareStringW( LOCALE_SYSTEM_DEFAULT,
NORM_IGNORECASE,
(*(WCHAR **) pv1),
-1,
(*(WCHAR **) pv2),
-1 );
//
// rc == 1, means less than
// rc == 2, means equal
// rc == 3, means greater than
//
return rc - 2;
}
int DBTYPE_LPWSTR_VectorCompare( BYTE const * pv1, ULONG cb1, BYTE const * pv2, ULONG cb2 )
{
return DBVector_Compare( dbVector( (DBTYPEENUM) VT_LPWSTR ), pv1, pv2);
}
CComparators::SDBComparators const CComparators::_aDBComparators[] = {
// VT_EMPTY, DBTYPE_EMPTY
{ DBTYPE_EMPTY_Compare,
0,
},
// VT_NULL, DBTYPE_NULL
{ DBTYPE_NULL_Compare,
0,
},
// VT_I2, DBTYPE_I2
{ DBTYPE_I2_Compare,
DBTYPE_I2_VectorCompare,
},
// VT_I4, DBTYPE_I4
{ DBTYPE_I4_Compare,
DBTYPE_I4_VectorCompare,
},
// VT_R4, DBTYPE_R4
{ DBTYPE_R4_Compare,
DBTYPE_R4_VectorCompare,
},
// VT_R8, DBTYPE_R8
{ DBTYPE_R8_Compare,
DBTYPE_R8_VectorCompare,
},
// VT_CY, DBTYPE_CY
{ DBTYPE_I8_Compare,
DBTYPE_I8_VectorCompare,
},
// VT_DATE, DBTYPE_DATE
{ DBTYPE_R8_Compare,
DBTYPE_R8_VectorCompare,
},
// VT_BSTR, DBTYPE_BSTR
{ DBTYPE_BSTR_Compare,
DBTYPE_BSTR_VectorCompare,
},
// VT_DISPATCH
{ 0,
0,
},
// VT_ERROR
{ DBTYPE_I4_Compare,
DBTYPE_I4_VectorCompare,
},
// VT_BOOL
{ DBTYPE_BOOL_Compare,
DBTYPE_BOOL_VectorCompare,
},
// VT_VARIANT
{ DBTYPE_VARIANT_Compare,
DBTYPE_VARIANT_Compare,
},
// VT_UNKNOWN
{ 0,
0,
},
// VARENUM value 14 unused
{ 0,
0,
},
// VARENUM value 15 unused
{ 0,
0,
},
// VT_I1 undefined in PROPVARIANT union
{ DBTYPE_I1_Compare,
DBTYPE_I1_VectorCompare,
},
// VT_UI1
{ DBTYPE_UI1_Compare,
DBTYPE_UI1_VectorCompare,
},
// VT_UI2
{ DBTYPE_UI2_Compare,
DBTYPE_UI2_VectorCompare,
},
// VT_UI4
{ DBTYPE_UI4_Compare,
DBTYPE_UI4_VectorCompare,
},
// VT_I8
{ DBTYPE_I8_Compare,
DBTYPE_I8_VectorCompare,
},
// VT_UI8
{ DBTYPE_UI8_Compare,
DBTYPE_UI8_VectorCompare,
},
// VT_INT undefined in PROPVARIANT union
{ 0,
0,
},
// VT_UINT undefined in PROPVARIANT union
{ 0,
0,
},
// VT_VOID
{ 0,
0,
},
// VT_HRESULT
{ 0,
0,
},
// VT_PTR
{ 0,
0,
},
// VT_SAFEARRAY
{ 0,
0,
},
// VT_CARRAY
{ 0,
0,
},
// VT_USERDEFINED
{ 0,
0,
},
// VT_LPSTR (translated form of DBTYPE_STR | DBTYPE_BYREF)
{ DBTYPE_LPSTR_Compare,
DBTYPE_LPSTR_VectorCompare,
},
// VT_LPWSTR (translated form of DBTYPE_WSTR | DBTYPE_BYREF)
{ DBTYPE_LPWSTR_Compare,
DBTYPE_LPWSTR_VectorCompare,
}
};
ULONG const CComparators::_iDBStart = VT_EMPTY;
ULONG const CComparators::_cDBComparators =
sizeof(CComparators::_aDBComparators) /
sizeof(CComparators::_aDBComparators[0]);
ULONG const CComparators::_iDBStart2 = VT_FILETIME;
CComparators::SDBComparators const CComparators::_aDBComparators2[] = {
// VT_FILETIME
{ DBTYPE_UI8_Compare,
DBTYPE_UI8_VectorCompare,
},
// VT_BLOB
{ 0,
0,
},
// VT_STREAM
{ 0,
0,
},
// VT_STORAGE
{ 0,
0,
},
// VT_STREAMED_OBJECT
{ 0,
0,
},
// VT_STORED_OBJECT
{ 0,
0,
},
// VT_BLOB_OBJECT
{ 0,
0,
},
// VT_CF
{ 0,
0,
},
// VT_CLSID, DBTYPE_GUID
{ DBTYPE_GUID_Compare,
DBTYPE_GUID_VectorCompare,
}
};
ULONG const CComparators::_cDBComparators2 =
sizeof(CComparators::_aDBComparators2) /
sizeof(CComparators::_aDBComparators2[0]);
ULONG const CComparators::_iDBStart3 = DBTYPE_BYTES;
CComparators::SDBComparators const CComparators::_aDBComparators3[] = {
// DBTYPE_BYTES
{ DBTYPE_BYTES_Compare,
0,
},
// DBTYPE_STR
{ DBTYPE_STR_Compare,
0,
},
// DBTYPE_WSTR
{ DBTYPE_WSTR_Compare,
0,
}
};
ULONG const CComparators::_cDBComparators3 =
sizeof(CComparators::_aDBComparators3) /
sizeof(CComparators::_aDBComparators3[0]);
//+-------------------------------------------------------------------------
//
// Member: CComparators::_RationalizeDBByRef, private
//
// Synopsis: Converts BYREF oledb string types to variant equivalents
//
// Arguments: [vt] -- Data type to be converted.
//
// Returns: A VARENUM equivalent for oledb string types
//
// Notes: DBTYPE_BYREF | DBTYPE_WSTR and the vector version of the
// same are idential in meaning to the corresponding VT_LPWSTR
// VARENUM type.
//
// History: 25-May-95 dlee Created
//
//--------------------------------------------------------------------------
DBTYPEENUM CComparators::_RationalizeDBByRef( DBTYPEENUM vt )
{
// convert these types to something usable as an index
if ( 0 != ( DBTYPE_BYREF & vt ) )
{
if ( (DBTYPE_BYREF | DBTYPE_WSTR) == vt )
return (DBTYPEENUM) VT_LPWSTR;
else if ( (DBTYPE_BYREF | DBTYPE_STR) == vt )
return (DBTYPEENUM) VT_LPSTR;
if ( (DBTYPE_VECTOR | DBTYPE_BYREF | DBTYPE_WSTR) == vt )
return (DBTYPEENUM) (VT_VECTOR | VT_LPWSTR);
else if ( (DBTYPE_VECTOR | DBTYPE_BYREF | DBTYPE_STR) == vt )
return (DBTYPEENUM) (VT_VECTOR | VT_LPSTR);
}
return vt;
} //_RationalizeByRef
//+-------------------------------------------------------------------------
//
// Member: CComparators::GetDBComparator, public
//
// Synopsis: Returns a comparison function for a given data type.
//
// Arguments: [vt] -- Data type of returned comparator.
//
// Returns: Pointer to an FDBCmp function
//
// History: 25-May-95 dlee Created
//
//--------------------------------------------------------------------------
FDBCmp CComparators::GetDBComparator( DBTYPEENUM vt )
{
vt = _RationalizeDBByRef( vt );
if ( 0 != ( DBTYPE_VECTOR & vt ) )
{
vt = (DBTYPEENUM) ( vt & ( ~ DBTYPE_VECTOR ) );
if ( vt >= _iDBStart && vt < _iDBStart + _cDBComparators )
{
return( _aDBComparators[vt].dbvectorcomparator );
}
else if ( vt >= _iDBStart2 && vt < _iDBStart2 + _cDBComparators2 )
{
return( _aDBComparators2[vt - _iDBStart2].dbvectorcomparator );
}
else if ( vt >= _iDBStart3 && vt < _iDBStart3 + _cDBComparators3 )
{
return( _aDBComparators3[vt - _iDBStart3].dbvectorcomparator );
}
else
{
ciDebugOut(( DEB_ERROR,
"CComparators::GetDBComparator Unknown property type %d in comparison.\n",
vt ));
Win4Assert( !"Unknown property type used in comparison." );
return( 0 );
}
}
else if ( vt >= _iDBStart && vt < _iDBStart + _cDBComparators )
{
return( _aDBComparators[vt].dbcomparator );
}
else if ( vt >= _iDBStart2 && vt < _iDBStart2 + _cDBComparators2 )
{
return( _aDBComparators2[vt - _iDBStart2].dbcomparator );
}
else if ( vt >= _iDBStart3 && vt < _iDBStart3 + _cDBComparators3 )
{
return( _aDBComparators3[vt - _iDBStart3].dbcomparator );
}
else
{
// This will be hit if someone has a binding like
// DBTYPE_I2 | DBTYPE_BYREF, which means that instead
// of writing 2 bytes into their data, we allocate 2
// bytes from OLE and write that pointer into 4 bytes
// of the client data. There is a bug against oledb
// to not allow the client to do something so ill-advised.
//
ciDebugOut(( DEB_ERROR,
"CComparators::GetDBComparator Unknown property type %d in comparison.\n",
vt ));
Win4Assert( !"Unknown property type used in comparison." );
return( 0 );
}
} //GetDBComparator