277 lines
7.9 KiB
OpenEdge ABL
277 lines
7.9 KiB
OpenEdge ABL
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//+--------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: propvar.h
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//
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// Contents: PROPVARIANT manipulation code
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//
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// History: 15-Aug-95 vich created
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// 01-Jul-96 MikeHill Updated to allow Win32 SEH removal
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//
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//---------------------------------------------------------------------------
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#ifndef _PROPVAR_H_
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#define _PROPVAR_H_
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#include <debnot.h>
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#include <propset.h>
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#include <propapi.h> // PROPASSERT
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SERIALIZEDPROPERTYVALUE *
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RtlConvertVariantToProperty(
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IN PROPVARIANT const *pvar,
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IN USHORT CodePage,
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OUT SERIALIZEDPROPERTYVALUE *pprop,
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IN OUT ULONG *pcb,
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IN PROPID pid,
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IN BOOLEAN fVariantVector,
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OPTIONAL OUT ULONG *pcIndirect);
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SERIALIZEDPROPERTYVALUE *
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RtlConvertVariantToPropertyNoEH( // No NT Exception Handling version
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IN PROPVARIANT const *pvar,
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IN USHORT CodePage,
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OUT SERIALIZEDPROPERTYVALUE *pprop,
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IN OUT ULONG *pcb,
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IN PROPID pid,
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IN BOOLEAN fVariantVector,
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OPTIONAL OUT ULONG *pcIndirect,
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OUT NTSTATUS *pstatus);
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BOOLEAN
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RtlConvertPropertyToVariant(
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IN SERIALIZEDPROPERTYVALUE const *pprop,
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IN USHORT CodePage,
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OUT PROPVARIANT *pvar,
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IN PMemoryAllocator *pma);
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BOOLEAN
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RtlConvertPropertyToVariantNoEH( // No NT Exception Handling version
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IN SERIALIZEDPROPERTYVALUE const *pprop,
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IN USHORT CodePage,
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OUT PROPVARIANT *pvar,
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IN PMemoryAllocator *pma,
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OUT NTSTATUS *pstatus);
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EXTERN_C SERIALIZEDPROPERTYVALUE * __stdcall
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StgConvertVariantToProperty(
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IN PROPVARIANT const *pvar,
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IN USHORT CodePage,
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OUT SERIALIZEDPROPERTYVALUE *pprop,
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IN OUT ULONG *pcb,
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IN PROPID pid,
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IN BOOLEAN fVector,
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OPTIONAL OUT ULONG *pcIndirect);
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EXTERN_C SERIALIZEDPROPERTYVALUE * __stdcall
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StgConvertVariantToPropertyNoEH( // No NT Exception Handling version
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IN PROPVARIANT const *pvar,
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IN USHORT CodePage,
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OUT SERIALIZEDPROPERTYVALUE *pprop,
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IN OUT ULONG *pcb,
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IN PROPID pid,
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IN BOOLEAN fVector,
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IN BOOLEAN fArray,
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OPTIONAL OUT ULONG *pcIndirect,
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OPTIONAL OUT WORD *pwMinFormatRequired,
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OUT NTSTATUS *pstatus);
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EXTERN_C BOOLEAN __stdcall
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StgConvertPropertyToVariant(
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IN SERIALIZEDPROPERTYVALUE const *pprop,
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IN USHORT CodePage,
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OUT PROPVARIANT *pvar,
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IN PMemoryAllocator *pma);
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EXTERN_C BOOLEAN __stdcall
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StgConvertPropertyToVariantNoEH( // No NT Exception Handling version
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IN SERIALIZEDPROPERTYVALUE const *pprop,
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IN USHORT CodePage,
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OUT PROPVARIANT *pvar,
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IN PMemoryAllocator *pma,
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OUT NTSTATUS *pstatus);
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#ifndef KERNEL
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VOID
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CleanupVariants(
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IN PROPVARIANT *pvar,
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IN ULONG cprop,
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IN PMemoryAllocator *pma);
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#endif
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#if DBGPROP
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BOOLEAN IsUnicodeString(WCHAR const *pwszname, ULONG cb);
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BOOLEAN IsAnsiString(CHAR const *pszname, ULONG cb);
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#endif
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//+--------------------------------------------------------------------------
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// Function: SignalOverflow, SignalInvalidParameter, SignalStatus
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//
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// Synopsis: ASSERT and raise data corrupt/overflow/specified error
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//
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// Arguments: [szReason] -- string explanation
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// [Status] -- Status to raise (SignalStatus only)
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//
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// Returns: None
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//+--------------------------------------------------------------------------
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#define StatusOverflow(pstatus, szReason) \
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*(pstatus) = STATUS_BUFFER_OVERFLOW; \
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TraceStatus(szReason)
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#define StatusAccessDenied(pstatus, szReason) \
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*(pstatus) = STATUS_ACCESS_DENIED; \
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TraceStatus(szReason);
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#define StatusInvalidParameter(pstatus, szReason) \
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*(pstatus) = STATUS_INVALID_PARAMETER; \
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TraceStatus(szReason);
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#define StatusNoMemory(pstatus, szReason) \
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*(pstatus) = STATUS_INSUFFICIENT_RESOURCES;\
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TraceStatus(szReason);
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#define StatusDiskFull(pstatus, szReason) \
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*(pstatus) = STATUS_DISK_FULL; \
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TraceStatus(szReason);
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#define StatusError(pstatus, szReason, Status) \
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*(pstatus) = Status; \
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TraceStatus(szReason);
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#ifdef KERNEL
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#define StatusKBufferOverflow(pstatus, szReason) StatusOverflow(pstatus, szReason)
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#else
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#define StatusKBufferOverflow(pstatus, szReason) StatusNoMemory(pstatus, szReason)
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#endif
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#ifdef KERNEL
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#define KERNELSELECT(k, u) k
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#else
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#define KERNELSELECT(k, u) u
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#endif
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#define DBGPROPASSERT KERNELSELECT(DBGPROP, DBG)
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#if DBGPROPASSERT
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#define TraceStatus(szReason) \
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{ \
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DebugTrace(0, DEBTRACE_ERROR, (szReason "\n")); \
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PROPASSERTMSG(szReason, !(DebugLevel & DEBTRACE_WARN)); \
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}
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#else
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#define TraceStatus(szReason)
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#endif
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#define AssertVarField(field, cb) \
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PROPASSERT(FIELD_OFFSET(PROPVARIANT, iVal) == FIELD_OFFSET(PROPVARIANT, field) && \
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sizeof(((PROPVARIANT *) 0)->field) == (cb))
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#define AssertVarVector(field, cbElem) \
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PROPASSERT(FIELD_OFFSET(PROPVARIANT, cai.cElems) == \
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FIELD_OFFSET(PROPVARIANT, field.cElems) && \
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FIELD_OFFSET(PROPVARIANT, cai.pElems) == \
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FIELD_OFFSET(PROPVARIANT, field.pElems) && \
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sizeof(((PROPVARIANT *) 0)->field.pElems[0]) == (cbElem))
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#define AssertByteField(field) AssertVarField(field, sizeof(BYTE))
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#define AssertShortField(field) AssertVarField(field, sizeof(SHORT))
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#define AssertLongField(field) AssertVarField(field, sizeof(LONG))
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#define AssertLongLongField(field) AssertVarField(field, sizeof(LONGLONG))
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#define AssertStringField(field) AssertVarField(field, sizeof(VOID *))
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#define AssertByteVector(field) AssertVarVector(field, sizeof(BYTE))
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#define AssertShortVector(field) AssertVarVector(field, sizeof(SHORT))
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#define AssertLongVector(field) AssertVarVector(field, sizeof(LONG))
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#define AssertLongLongVector(field) AssertVarVector(field, sizeof(LONGLONG))
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#define AssertStringVector(field) AssertVarVector(field, sizeof(VOID *))
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#define AssertVariantVector(field) AssertVarVector(field, sizeof(PROPVARIANT))
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#define BSTRLEN(bstrVal) *((ULONG *) bstrVal - 1)
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//+-------------------------------------------------------------------
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// Class: CBufferAllocator, private
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//
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// Synopsis: allocation from a buffer
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//
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// Notes: The Summary catalog APIs use a single buffer to serialize row
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// values on input and deserialize them on output. This class
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// encapsulates the memory allocation routines for these APIs.
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//--------------------------------------------------------------------
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class CBufferAllocator : public PMemoryAllocator
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{
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public:
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inline CBufferAllocator(ULONG cbBuffer, VOID *pvBuffer)
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{
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_cbFree = cbBuffer;
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_pvCur = _pvBuffer = pvBuffer;
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#if _X86_ // stack variables on x86 are not aligned
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PROPASSERT(((ULONG) _pvCur & (sizeof(LONG) - 1)) == 0);
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#else // RISC
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PROPASSERT(((ULONG_PTR) _pvCur & (sizeof(LONGLONG) - 1)) == 0);
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#endif // X86/RISC
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}
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VOID *Allocate(ULONG cbSize);
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VOID Free(VOID *pv) { }
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inline ULONG GetFreeSize(VOID) { return(_cbFree); }
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private:
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ULONG _cbFree;
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VOID *_pvCur;
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VOID *_pvBuffer;
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};
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//+-------------------------------------------------------------------
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// Member: CBufferAllocator::Allocate, private
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//
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// Synopsis: allocation from a buffer
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//
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// Arguments: [cb] -- Count of bytes to be allocated.
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//
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// Returns: pointer to 'allocated' memory -- NULL if no space left
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//--------------------------------------------------------------------
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#define DEFINE_CBufferAllocator__Allocate \
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VOID * \
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CBufferAllocator::Allocate(ULONG cb) \
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{ \
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VOID *pv; \
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\
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cb = (cb + sizeof(LONGLONG) - 1) & ~(sizeof(LONGLONG) - 1); \
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if (cb > _cbFree) \
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{ \
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return(NULL); \
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} \
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pv = _pvCur; \
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_pvCur = (BYTE *) _pvCur + cb; \
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_cbFree -= cb; \
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return(pv); \
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}
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#endif // !_PROPVAR_H_
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