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656 lines
22 KiB
656 lines
22 KiB
// This is a part of the Active Template Library.
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// Copyright (C) 1996-1997 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Active Template Library Reference and related
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// electronic documentation provided with the library.
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// See these sources for detailed information regarding the
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// Active Template Library product.
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#ifndef __ATLCONV_H__
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#define __ATLCONV_H__
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#ifndef __cplusplus
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#error ATL requires C++ compilation (use a .cpp suffix)
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#endif
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#ifndef _INC_MALLOC
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#include <malloc.h>
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#endif // _INC_MALLOC
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#pragma pack(push,8)
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namespace ATL
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{
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namespace _ATL_SAFE_ALLOCA_IMPL
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{
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// Following code is to avoid alloca causing a stack overflow.
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// It is intended for use from the _ATL_SAFE_ALLOCA macros
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// or Conversion macros.
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__declspec(selectany) DWORD _Atlosplatform = 0;
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inline BOOL _AtlGetVersionEx()
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{
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OSVERSIONINFO osi;
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memset(&osi, 0, sizeof(OSVERSIONINFO));
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osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx(&osi);
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_Atlosplatform = osi.dwPlatformId;
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return TRUE;
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}
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// From VC7 CRT sources.
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#define _ATL_MIN_STACK_REQ_WIN9X 0x11000
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#define _ATL_MIN_STACK_REQ_WINNT 0x2000
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/***
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* void _resetstkoflw(void) - Recovers from Stack Overflow
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*
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* Purpose:
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* Sets the guard page to its position before the stack overflow.
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*
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* Exit:
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* Returns nonzero on success, zero on failure
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*
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*******************************************************************************/
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inline int _Atlresetstkoflw(void)
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{
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static BOOL bTemp = _AtlGetVersionEx();
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LPBYTE pStack, pGuard, pStackBase, pMaxGuard, pMinGuard;
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MEMORY_BASIC_INFORMATION mbi;
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SYSTEM_INFO si;
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DWORD PageSize;
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DWORD flNewProtect;
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DWORD flOldProtect;
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// Use _alloca() to get the current stack pointer
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pStack = (LPBYTE)_alloca(1);
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// Find the base of the stack.
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if (VirtualQuery(pStack, &mbi, sizeof mbi) == 0)
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return 0;
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pStackBase = (LPBYTE)mbi.AllocationBase;
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// Find the page just below where the stack pointer currently points.
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// This is the highest potential guard page.
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GetSystemInfo(&si);
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PageSize = si.dwPageSize;
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pMaxGuard = (LPBYTE) (((DWORD_PTR)pStack & ~(DWORD_PTR)(PageSize - 1))
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- PageSize);
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// If the potential guard page is too close to the start of the stack
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// region, abandon the reset effort for lack of space. Win9x has a
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// larger reserved stack requirement.
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pMinGuard = pStackBase + ((_Atlosplatform == VER_PLATFORM_WIN32_WINDOWS)
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? _ATL_MIN_STACK_REQ_WIN9X
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: _ATL_MIN_STACK_REQ_WINNT);
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if (pMaxGuard < pMinGuard)
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return 0;
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// On a non-Win9x system, do nothing if a guard page is already present,
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// else set up the guard page to the bottom of the committed range.
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// For Win9x, just set guard page below the current stack page.
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if (_Atlosplatform != VER_PLATFORM_WIN32_WINDOWS) {
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// Find first block of committed memory in the stack region
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pGuard = pStackBase;
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do {
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if (VirtualQuery(pGuard, &mbi, sizeof mbi) == 0)
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return 0;
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pGuard = pGuard + mbi.RegionSize;
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} while ((mbi.State & MEM_COMMIT) == 0);
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pGuard = (LPBYTE)mbi.BaseAddress;
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// If first committed block is already marked as a guard page,
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// there is nothing that needs to be done, so return success.
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if (mbi.Protect & PAGE_GUARD)
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return 1;
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// Fail if the first committed block is above the highest potential
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// guard page. Should never happen.
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if (pMaxGuard < pGuard)
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return 0;
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VirtualAlloc(pGuard, PageSize, MEM_COMMIT, PAGE_READWRITE);
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}
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else {
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pGuard = pMaxGuard;
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}
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// Enable the new guard page.
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flNewProtect = _Atlosplatform == VER_PLATFORM_WIN32_WINDOWS
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? PAGE_NOACCESS
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: PAGE_READWRITE | PAGE_GUARD;
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return VirtualProtect(pGuard, PageSize, flNewProtect, &flOldProtect);
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}
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// Verifies if sufficient space is available on the stack.
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inline bool _AtlVerifyStackAvailable(SIZE_T Size)
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{
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bool bStackAvailable = true;
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__try
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{
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PVOID p = _alloca(Size);
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p;
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}
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__except ((EXCEPTION_STACK_OVERFLOW == GetExceptionCode()) ?
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EXCEPTION_EXECUTE_HANDLER :
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EXCEPTION_CONTINUE_SEARCH)
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{
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bStackAvailable = false;
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_Atlresetstkoflw();
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}
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return bStackAvailable;
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}
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// Helper Classes to manage heap buffers for _ATL_SAFE_ALLOCA
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// Default allocator used by ATL
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class _CCRTAllocator
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{
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public :
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static void * Allocate(SIZE_T nRequestedSize)
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{
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return malloc(nRequestedSize);
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}
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static void Free(void* p)
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{
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free(p);
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}
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};
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template < class Allocator>
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class CAtlSafeAllocBufferManager
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{
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private :
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struct CAtlSafeAllocBufferNode
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{
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CAtlSafeAllocBufferNode* m_pNext;
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void* GetData()
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{
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return (this + 1);
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}
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};
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CAtlSafeAllocBufferNode* m_pHead;
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public :
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CAtlSafeAllocBufferManager() : m_pHead(NULL) {};
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void* Allocate(SIZE_T nRequestedSize)
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{
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CAtlSafeAllocBufferNode *p = (CAtlSafeAllocBufferNode*)Allocator::Allocate(nRequestedSize + sizeof(CAtlSafeAllocBufferNode));
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if (p == NULL)
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return NULL;
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// Add buffer to the list
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p->m_pNext = m_pHead;
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m_pHead = p;
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return p->GetData();
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}
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~CAtlSafeAllocBufferManager()
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{
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// Walk the list and free the buffers
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while (m_pHead != NULL)
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{
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CAtlSafeAllocBufferNode* p = m_pHead;
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m_pHead = m_pHead->m_pNext;
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Allocator::Free(p);
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}
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}
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};
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// Use one of the following macros before using _ATL_SAFE_ALLOCA
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// EX version allows specifying a different heap allocator
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#define USES_ATL_SAFE_ALLOCA_EX(x) ATL::_ATL_SAFE_ALLOCA_IMPL::CAtlSafeAllocBufferManager<x> _AtlSafeAllocaManager
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#ifndef USES_ATL_SAFE_ALLOCA
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#define USES_ATL_SAFE_ALLOCA USES_ATL_SAFE_ALLOCA_EX(ATL::_ATL_SAFE_ALLOCA_IMPL::_CCRTAllocator)
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#endif
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// nRequestedSize - requested size in bytes
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// nThreshold - size in bytes beyond which memory is allocated from the heap.
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// Defining _ATL_SAFE_ALLOCA_ALWAYS_ALLOCATE_THRESHOLD_SIZE always allocates the size specified
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// for threshold if the stack space is available irrespective of requested size.
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// This available for testing purposes. It will help determine the max stack usage due to _alloca's
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#ifdef _ATL_SAFE_ALLOCA_ALWAYS_ALLOCATE_THRESHOLD_SIZE
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#define _ATL_SAFE_ALLOCA(nRequestedSize, nThreshold) \
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(((nRequestedSize) <= (nThreshold) && ATL::_ATL_SAFE_ALLOCA_IMPL::_AtlVerifyStackAvailable(nThreshold) ) ? \
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_alloca(nThreshold) : \
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((ATL::_ATL_SAFE_ALLOCA_IMPL::_AtlVerifyStackAvailable(nThreshold)) ? _alloca(nThreshold) : 0), \
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_AtlSafeAllocaManager.Allocate(nRequestedSize))
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#else
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#define _ATL_SAFE_ALLOCA(nRequestedSize, nThreshold) \
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(((nRequestedSize) <= (nThreshold) && ATL::_ATL_SAFE_ALLOCA_IMPL::_AtlVerifyStackAvailable(nRequestedSize) ) ? \
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_alloca(nRequestedSize) : \
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_AtlSafeAllocaManager.Allocate(nRequestedSize))
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#endif
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// Use 1024 bytes as the default threshold in ATL
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#ifndef _ATL_SAFE_ALLOCA_DEF_THRESHOLD
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#define _ATL_SAFE_ALLOCA_DEF_THRESHOLD 1024
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#endif
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} // namespace _ATL_SAFE_ALLOCA_IMPL
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} // namespace ATL
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// Make sure MFC's afxconv.h hasn't already been loaded to do this
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#ifndef USES_CONVERSION
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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#ifndef _DEBUG
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#define USES_CONVERSION int _convert; _convert
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#else
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#define USES_CONVERSION int _convert = 0
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#endif
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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#ifndef _DEBUG
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#define USES_CONVERSION_EX int _convert_ex; _convert_ex; UINT _acp_ex = CP_ACP; _acp_ex; LPCWSTR _lpw_ex; _lpw_ex; LPCSTR _lpa_ex; _lpa_ex; USES_ATL_SAFE_ALLOCA
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#else
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#define USES_CONVERSION_EX int _convert_ex = 0; _convert_ex; UINT _acp_ex = CP_ACP; _acp_ex; LPCWSTR _lpw_ex = NULL; _lpw_ex; LPCSTR _lpa_ex = NULL; _lpa_ex; USES_ATL_SAFE_ALLOCA
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Global UNICODE<>ANSI translation helpers
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LPWSTR WINAPI AtlA2WHelper(LPWSTR lpw, LPCSTR lpa, int nChars);
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LPSTR WINAPI AtlW2AHelper(LPSTR lpa, LPCWSTR lpw, int nChars);
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#ifndef ATLA2WHELPER
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#define ATLA2WHELPER AtlA2WHelper
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#define ATLW2AHELPER AtlW2AHelper
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#endif
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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#define A2W(lpa) (\
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((LPCSTR)lpa == NULL) ? NULL : (\
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_convert = (lstrlenA(lpa)+1),\
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ATLA2WHELPER((LPWSTR) alloca(_convert*2), (LPCSTR)lpa, _convert)))
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#define W2A(lpw) (\
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((LPCWSTR)lpw == NULL) ? NULL : (\
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_convert = (lstrlenW(lpw)+1)*2,\
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ATLW2AHELPER((LPSTR) alloca(_convert), lpw, _convert)))
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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// The call to _alloca will not cause stack overflow if _AtlVerifyStackAvailable returns TRUE.
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#define A2W_EX(lpa, nThreshold) (\
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((_lpa_ex = lpa) == NULL) ? NULL : (\
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_convert_ex = (lstrlenA(_lpa_ex)+1),\
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ATLA2WHELPER( \
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(LPWSTR)_ATL_SAFE_ALLOCA(_convert_ex * sizeof(WCHAR), nThreshold), \
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_lpa_ex, \
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_convert_ex)))
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#define W2A_EX(lpw, nThreshold) (\
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((_lpw_ex = lpw) == NULL) ? NULL : (\
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_convert_ex = (lstrlenW(_lpw_ex)+1) * sizeof(WCHAR),\
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ATLW2AHELPER( \
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(LPSTR)_ATL_SAFE_ALLOCA(_convert_ex, nThreshold), \
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_lpw_ex, \
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_convert_ex)))
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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#define A2CW(lpa) ((LPCWSTR)A2W(lpa))
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#define W2CA(lpw) ((LPCSTR)W2A(lpw))
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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#define A2CW_EX(lpa, nChar) ((LPCWSTR)A2W_EX(lpa, nChar))
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#define W2CA_EX(lpw, nChar) ((LPCSTR)W2A_EX(lpw, nChar))
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#if defined(_UNICODE)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline int ocslen(LPCOLESTR x) { return lstrlenW(x); }
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inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return lstrcpyW(dest, src); }
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inline LPCOLESTR T2COLE_EX(LPCTSTR lp, UINT) { return lp; }
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inline LPCTSTR OLE2CT_EX(LPCOLESTR lp, UINT) { return lp; }
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inline LPOLESTR T2OLE_EX(LPTSTR lp, UINT) { return lp; }
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inline LPTSTR OLE2T_EX(LPOLESTR lp, UINT) { return lp; }
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
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inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
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inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
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inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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#elif defined(OLE2ANSI)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline int ocslen(LPCOLESTR x) { return lstrlen(x); }
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inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return lstrcpy(dest, src); }
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inline LPCOLESTR T2COLE_EX(LPCTSTR lp, UINT) { return lp; }
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inline LPCTSTR OLE2CT_EX(LPCOLESTR lp, UINT) { return lp; }
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inline LPOLESTR T2OLE_EX(LPTSTR lp, UINT) { return lp; }
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inline LPTSTR OLE2T_EX(LPOLESTR lp, UINT) { return lp; }
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
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inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
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inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
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inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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#else
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inline int ocslen(LPCOLESTR x) { return lstrlenW(x); }
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//lstrcpyW doesn't work on Win95, so we do this
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inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src)
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{return (LPOLESTR) memcpy(dest, src, (lstrlenW(src)+1)*sizeof(WCHAR));}
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//CharNextW doesn't work on Win95 so we use this
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#define T2COLE_EX(lpa, nChar) A2CW_EX(lpa, nChar)
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#define T2OLE_EX(lpa, nChar) A2W_EX(lpa, nChar)
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#define OLE2CT_EX(lpo, nChar) W2CA_EX(lpo, nChar)
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#define OLE2T_EX(lpo, nChar) W2A_EX(lpo, nChar)
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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#define T2COLE(lpa) A2CW(lpa)
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#define T2OLE(lpa) A2W(lpa)
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#define OLE2CT(lpo) W2CA(lpo)
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#define OLE2T(lpo) W2A(lpo)
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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#endif
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#ifdef OLE2ANSI
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inline LPOLESTR A2OLE_EX(LPSTR lp, UINT) { return lp;}
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inline LPSTR OLE2A_EX(LPOLESTR lp, UINT) { return lp;}
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#define W2OLE_EX W2A_EX
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#define OLE2W_EX A2W_EX
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inline LPCOLESTR A2COLE_EX(LPCSTR lp, UINT) { return lp;}
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inline LPCSTR OLE2CA_EX(LPCOLESTR lp, UINT) { return lp;}
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#define W2COLE_EX W2CA_EX
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#define OLE2CW_EX A2CW_EX
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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inline LPOLESTR A2OLE(LPSTR lp) { return lp;}
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inline LPSTR OLE2A(LPOLESTR lp) { return lp;}
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#define W2OLE W2A
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#define OLE2W A2W
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inline LPCOLESTR A2COLE(LPCSTR lp) { return lp;}
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inline LPCSTR OLE2CA(LPCOLESTR lp) { return lp;}
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#define W2COLE W2CA
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#define OLE2CW A2CW
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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#else
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inline LPOLESTR W2OLE_EX(LPWSTR lp, UINT) { return lp; }
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inline LPWSTR OLE2W_EX(LPOLESTR lp, UINT) { return lp; }
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#define A2OLE_EX A2W_EX
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#define OLE2A_EX W2A_EX
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inline LPCOLESTR W2COLE_EX(LPCWSTR lp, UINT) { return lp; }
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inline LPCWSTR OLE2CW_EX(LPCOLESTR lp, UINT) { return lp; }
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#define A2COLE_EX A2CW_EX
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#define OLE2CA_EX W2CA_EX
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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inline LPOLESTR W2OLE(LPWSTR lp) { return lp; }
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inline LPWSTR OLE2W(LPOLESTR lp) { return lp; }
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#define A2OLE A2W
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#define OLE2A W2A
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inline LPCOLESTR W2COLE(LPCWSTR lp) { return lp; }
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inline LPCWSTR OLE2CW(LPCOLESTR lp) { return lp; }
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#define A2COLE A2CW
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#define OLE2CA W2CA
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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#endif
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#ifdef _UNICODE
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#define T2A_EX W2A_EX
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#define A2T_EX A2W_EX
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inline LPWSTR T2W_EX(LPTSTR lp, UINT) { return lp; }
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inline LPTSTR W2T_EX(LPWSTR lp, UINT) { return lp; }
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#define T2CA_EX W2CA_EX
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#define A2CT_EX A2CW_EX
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inline LPCWSTR T2CW_EX(LPCTSTR lp, UINT) { return lp; }
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inline LPCTSTR W2CT_EX(LPCWSTR lp, UINT) { return lp; }
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#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
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#define T2A W2A
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#define A2T A2W
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inline LPWSTR T2W(LPTSTR lp) { return lp; }
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inline LPTSTR W2T(LPWSTR lp) { return lp; }
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#define T2CA W2CA
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#define A2CT A2CW
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inline LPCWSTR T2CW(LPCTSTR lp) { return lp; }
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inline LPCTSTR W2CT(LPCWSTR lp) { return lp; }
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#endif // _ATL_EX_CONVERSION_MACROS_ONLY
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#else
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#define T2W_EX A2W_EX
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#define W2T_EX W2A_EX
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inline LPSTR T2A_EX(LPTSTR lp, UINT) { return lp; }
|
|
inline LPTSTR A2T_EX(LPSTR lp, UINT) { return lp; }
|
|
#define T2CW_EX A2CW_EX
|
|
#define W2CT_EX W2CA_EX
|
|
inline LPCSTR T2CA_EX(LPCTSTR lp, UINT) { return lp; }
|
|
inline LPCTSTR A2CT_EX(LPCSTR lp, UINT) { return lp; }
|
|
|
|
#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
|
|
#define T2W A2W
|
|
#define W2T W2A
|
|
inline LPSTR T2A(LPTSTR lp) { return lp; }
|
|
inline LPTSTR A2T(LPSTR lp) { return lp; }
|
|
#define T2CW A2CW
|
|
#define W2CT W2CA
|
|
inline LPCSTR T2CA(LPCTSTR lp) { return lp; }
|
|
inline LPCTSTR A2CT(LPCSTR lp) { return lp; }
|
|
#endif // _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#endif
|
|
|
|
inline BSTR A2WBSTR(LPCSTR lp, int nLen = -1)
|
|
{
|
|
if (lp == NULL || nLen == 0)
|
|
return NULL;
|
|
USES_CONVERSION_EX;
|
|
BSTR str = NULL;
|
|
int nConvertedLen = MultiByteToWideChar(_acp_ex, 0, lp,
|
|
nLen, NULL, NULL);
|
|
int nAllocLen = nConvertedLen;
|
|
if (nLen == -1)
|
|
nAllocLen -= 1; // Don't allocate terminating '\0'
|
|
str = ::SysAllocStringLen(NULL, nAllocLen);
|
|
if (str != NULL)
|
|
{
|
|
int nResult;
|
|
nResult = MultiByteToWideChar(_acp_ex, 0, lp, nLen, str, nConvertedLen);
|
|
if(nResult != nConvertedLen)
|
|
{
|
|
SysFreeString(str);
|
|
return NULL;
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
inline BSTR OLE2BSTR(LPCOLESTR lp) {return ::SysAllocString(lp);}
|
|
#if defined(_UNICODE)
|
|
// in these cases the default (TCHAR) is the same as OLECHAR
|
|
|
|
inline BSTR T2BSTR_EX(LPCTSTR lp) {return ::SysAllocString(lp);}
|
|
inline BSTR A2BSTR_EX(LPCSTR lp) {return A2WBSTR(lp);}
|
|
inline BSTR W2BSTR_EX(LPCWSTR lp) {return ::SysAllocString(lp);}
|
|
|
|
#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
|
|
inline BSTR T2BSTR(LPCTSTR lp) {return T2BSTR_EX(lp); }
|
|
inline BSTR A2BSTR(LPCSTR lp) {return A2BSTR_EX(lp); }
|
|
inline BSTR W2BSTR(LPCWSTR lp) {return W2BSTR_EX(lp); }
|
|
#endif // _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#elif defined(OLE2ANSI)
|
|
// in these cases the default (TCHAR) is the same as OLECHAR
|
|
|
|
inline BSTR T2BSTR_EX(LPCTSTR lp) {return ::SysAllocString(lp);}
|
|
inline BSTR A2BSTR_EX(LPCSTR lp) {return ::SysAllocString(lp);}
|
|
inline BSTR W2BSTR_EX(LPCWSTR lp) {USES_CONVERSION_EX; return ::SysAllocString(W2COLE_EX(lp));}
|
|
|
|
#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
|
|
inline BSTR T2BSTR(LPCTSTR lp) {return T2BSTR_EX(lp); }
|
|
inline BSTR A2BSTR(LPCSTR lp) {return A2BSTR_EX(lp); }
|
|
inline BSTR W2BSTR(LPCWSTR lp) {USES_CONVERSION; return ::SysAllocString(W2COLE(lp));}
|
|
#endif // _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#else
|
|
|
|
inline BSTR T2BSTR_EX(LPCTSTR lp) {return A2WBSTR(lp);}
|
|
inline BSTR A2BSTR_EX(LPCSTR lp) {return A2WBSTR(lp);}
|
|
inline BSTR W2BSTR_EX(LPCWSTR lp) {return ::SysAllocString(lp);}
|
|
|
|
#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
|
|
inline BSTR T2BSTR(LPCTSTR lp) {return T2BSTR_EX(lp); }
|
|
inline BSTR A2BSTR(LPCSTR lp) {return A2BSTR_EX(lp); }
|
|
inline BSTR W2BSTR(LPCWSTR lp) {return W2BSTR_EX(lp); }
|
|
#endif // _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#endif
|
|
|
|
#if defined(_WINGDI_) && !defined(NOGDI)
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Global UNICODE<>ANSI translation helpers
|
|
LPDEVMODEW AtlDevModeA2W(LPDEVMODEW lpDevModeW, LPDEVMODEA lpDevModeA);
|
|
LPDEVMODEA AtlDevModeW2A(LPDEVMODEA lpDevModeA, LPDEVMODEW lpDevModeW);
|
|
LPTEXTMETRICW AtlTextMetricA2W(LPTEXTMETRICW lptmW, LPTEXTMETRICA pltmA);
|
|
LPTEXTMETRICA AtlTextMetricW2A(LPTEXTMETRICA lptmA, LPTEXTMETRICW pltmW);
|
|
|
|
#ifndef ATLDEVMODEA2W
|
|
#define ATLDEVMODEA2W AtlDevModeA2W
|
|
#define ATLDEVMODEW2A AtlDevModeW2A
|
|
#define ATLTEXTMETRICA2W AtlTextMetricA2W
|
|
#define ATLTEXTMETRICW2A AtlTextMetricW2A
|
|
#endif
|
|
|
|
// Requires USES_CONVERSION_EX or USES_ATL_SAFE_ALLOCA macro before using the _EX versions of the macros
|
|
#define DEVMODEW2A_EX(lpw)\
|
|
((lpw == NULL) ? NULL : ATLDEVMODEW2A((LPDEVMODEA)_ATL_SAFE_ALLOCA(sizeof(DEVMODEA)+lpw->dmDriverExtra, _ATL_SAFE_ALLOCA_DEF_THRESHOLD), lpw))
|
|
#define DEVMODEA2W_EX(lpa)\
|
|
((lpa == NULL) ? NULL : ATLDEVMODEA2W((LPDEVMODEW)_ATL_SAFE_ALLOCA(sizeof(DEVMODEW)+lpa->dmDriverExtra, _ATL_SAFE_ALLOCA_DEF_THRESHOLD), lpa))
|
|
#define TEXTMETRICW2A_EX(lptmw)\
|
|
((lptmw == NULL) ? NULL : ATLTEXTMETRICW2A((LPTEXTMETRICA)_ATL_SAFE_ALLOCA(sizeof(TEXTMETRICA), _ATL_SAFE_ALLOCA_DEF_THRESHOLD), lptmw))
|
|
#define TEXTMETRICA2W_EX(lptma)\
|
|
((lptma == NULL) ? NULL : ATLTEXTMETRICA2W((LPTEXTMETRICW)_ATL_SAFE_ALLOCA(sizeof(TEXTMETRICW), _ATL_SAFE_ALLOCA_DEF_THRESHOLD), lptma))
|
|
|
|
#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#define DEVMODEW2A(lpw)\
|
|
((lpw == NULL) ? NULL : ATLDEVMODEW2A((LPDEVMODEA)alloca(sizeof(DEVMODEA)+lpw->dmDriverExtra), lpw))
|
|
#define DEVMODEA2W(lpa)\
|
|
((lpa == NULL) ? NULL : ATLDEVMODEA2W((LPDEVMODEW)alloca(sizeof(DEVMODEW)+lpa->dmDriverExtra), lpa))
|
|
#define TEXTMETRICW2A(lptmw)\
|
|
((lptmw == NULL) ? NULL : ATLTEXTMETRICW2A((LPTEXTMETRICA)alloca(sizeof(TEXTMETRICA)), lptmw))
|
|
#define TEXTMETRICA2W(lptma)\
|
|
((lptma == NULL) ? NULL : ATLTEXTMETRICA2W((LPTEXTMETRICW)alloca(sizeof(TEXTMETRICW)), lptma))
|
|
|
|
#endif // _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#ifdef OLE2ANSI
|
|
#define DEVMODEOLE DEVMODEA
|
|
#define LPDEVMODEOLE LPDEVMODEA
|
|
#define TEXTMETRICOLE TEXTMETRICA
|
|
#define LPTEXTMETRICOLE LPTEXTMETRICA
|
|
#else
|
|
#define DEVMODEOLE DEVMODEW
|
|
#define LPDEVMODEOLE LPDEVMODEW
|
|
#define TEXTMETRICOLE TEXTMETRICW
|
|
#define LPTEXTMETRICOLE LPTEXTMETRICW
|
|
#endif
|
|
|
|
#if defined(_UNICODE)
|
|
// in these cases the default (TCHAR) is the same as OLECHAR
|
|
inline LPDEVMODEW DEVMODEOLE2T_EX(LPDEVMODEOLE lp) { return lp; }
|
|
inline LPDEVMODEOLE DEVMODET2OLE_EX(LPDEVMODEW lp) { return lp; }
|
|
inline LPTEXTMETRICW TEXTMETRICOLE2T_EX(LPTEXTMETRICOLE lp) { return lp; }
|
|
inline LPTEXTMETRICOLE TEXTMETRICT2OLE_EX(LPTEXTMETRICW lp) { return lp; }
|
|
|
|
#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
inline LPDEVMODEW DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
|
|
inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODEW lp) { return lp; }
|
|
inline LPTEXTMETRICW TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
|
|
inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRICW lp) { return lp; }
|
|
#endif // _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#elif defined(OLE2ANSI)
|
|
// in these cases the default (TCHAR) is the same as OLECHAR
|
|
inline LPDEVMODE DEVMODEOLE2T_EX(LPDEVMODEOLE lp) { return lp; }
|
|
inline LPDEVMODEOLE DEVMODET2OLE_EX(LPDEVMODE lp) { return lp; }
|
|
inline LPTEXTMETRIC TEXTMETRICOLE2T_EX(LPTEXTMETRICOLE lp) { return lp; }
|
|
inline LPTEXTMETRICOLE TEXTMETRICT2OLE_EX(LPTEXTMETRIC lp) { return lp; }
|
|
|
|
#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
inline LPDEVMODE DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
|
|
inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODE lp) { return lp; }
|
|
inline LPTEXTMETRIC TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
|
|
inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRIC lp) { return lp; }
|
|
#endif // _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#else
|
|
#define DEVMODEOLE2T_EX(lpo) DEVMODEW2A_EX(lpo)
|
|
#define DEVMODET2OLE_EX(lpa) DEVMODEA2W_EX(lpa)
|
|
#define TEXTMETRICOLE2T_EX(lptmw) TEXTMETRICW2A_EX(lptmw)
|
|
#define TEXTMETRICT2OLE_EX(lptma) TEXTMETRICA2W_EX(lptma)
|
|
|
|
#ifndef _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#define DEVMODEOLE2T(lpo) DEVMODEW2A(lpo)
|
|
#define DEVMODET2OLE(lpa) DEVMODEA2W(lpa)
|
|
#define TEXTMETRICOLE2T(lptmw) TEXTMETRICW2A(lptmw)
|
|
#define TEXTMETRICT2OLE(lptma) TEXTMETRICA2W(lptma)
|
|
#endif // _ATL_EX_CONVERSION_MACROS_ONLY
|
|
|
|
#endif
|
|
|
|
#endif //_WINGDI_
|
|
|
|
#else //!USES_CONVERSION
|
|
|
|
// if USES_CONVERSION already defined (i.e. MFC_VER < 4.21 )
|
|
// flip this switch to avoid atlconv.cpp
|
|
#define _ATL_NO_CONVERSIONS
|
|
|
|
#endif //!USES_CONVERSION
|
|
|
|
// Define these even if MFC already included
|
|
#if defined(_UNICODE)
|
|
// in these cases the default (TCHAR) is the same as OLECHAR
|
|
inline LPOLESTR CharNextO(LPCOLESTR lp) {return CharNextW(lp);}
|
|
#elif defined(OLE2ANSI)
|
|
// in these cases the default (TCHAR) is the same as OLECHAR
|
|
inline LPOLESTR CharNextO(LPCOLESTR lp) {return CharNext(lp);}
|
|
#else
|
|
inline LPOLESTR CharNextO(LPCOLESTR lp) {return (LPOLESTR)(lp+1);}
|
|
#endif
|
|
|
|
#pragma pack(pop)
|
|
|
|
#endif // __ATLCONV_H__
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|