537 lines
15 KiB
C++
537 lines
15 KiB
C++
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// AttrStrW.cpp : Implementation of CMLStrAttrWStr
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#include "private.h"
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#ifdef NEWMLSTR
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#include "attrstrw.h"
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#include "mlsbwalk.h"
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/////////////////////////////////////////////////////////////////////////////
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// CMLStrAttrWStr
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CMLStrAttrWStr::CMLStrAttrWStr(void) :
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m_pMLStr(NULL)
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{
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}
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CMLStrAttrWStr::~CMLStrAttrWStr(void)
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{
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VERIFY(SetClient(NULL)); // Clean m_pMLStr
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}
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STDMETHODIMP CMLStrAttrWStr::SetClient(IUnknown* pUnk)
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{
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ASSERT_THIS;
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ASSERT_READ_PTR_OR_NULL(pUnk);
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HRESULT hr = S_OK;
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// Release old client
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IMLangString* const pMLStr = m_pMLStr;
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if (pMLStr && SUCCEEDED(hr = StartEndConnectionMLStr(pMLStr, FALSE))) // End connection to MLStr
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{
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pMLStr->Release();
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m_pMLStr = NULL;
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}
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// Set new client
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if (SUCCEEDED(hr) && pUnk) // pUnk is given
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{
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ASSERT(!m_pMLStr);
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if (SUCCEEDED(hr = pUnk->QueryInterface(IID_IMLangString, (void**)&m_pMLStr)))
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{
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ASSERT_READ_PTR(m_pMLStr);
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if (FAILED(hr = StartEndConnectionMLStr(pUnk, TRUE))) // Start connection to MLStr
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{
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m_pMLStr->Release();
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m_pMLStr = NULL;
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}
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}
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}
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return hr;
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}
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HRESULT CMLStrAttrWStr::StartEndConnectionMLStr(IUnknown* const pUnk, BOOL fStart)
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{
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ASSERT_THIS;
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ASSERT_READ_PTR(pUnk);
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HRESULT hr;
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IConnectionPointContainer* pCPC;
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if (SUCCEEDED(hr = pUnk->QueryInterface(IID_IConnectionPointContainer, (void**)&pCPC)))
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{
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ASSERT_READ_PTR(pCPC);
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IConnectionPoint* pCP;
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if (SUCCEEDED(hr = pCPC->FindConnectionPoint(IID_IMLangStringNotifySink, &pCP)))
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{
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ASSERT_READ_PTR(pCP);
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if (fStart)
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hr = pCP->Advise((IMLStrAttr*)this, &m_dwMLStrCookie);
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else
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hr = pCP->Unadvise(m_dwMLStrCookie);
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pCP->Release();
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}
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pCPC->Release();
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}
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return hr;
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}
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STDMETHODIMP CMLStrAttrWStr::GetClient(IUnknown** ppUnk)
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{
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ASSERT_THIS;
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ASSERT_WRITE_PTR_OR_NULL(ppUnk);
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if (ppUnk)
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{
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IUnknown* const pUnk = m_pMLStr;
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*ppUnk = pUnk;
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if (pUnk)
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pUnk->AddRef();
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}
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return S_OK;
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}
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STDMETHODIMP CMLStrAttrWStr::QueryAttr(REFIID riid, LPARAM lParam, IUnknown** ppUnk, long* lConf)
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{
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return E_NOTIMPL; // CMLStrAttrWStr::QueryAttr()
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}
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STDMETHODIMP CMLStrAttrWStr::GetAttrInterface(IID* pIID, LPARAM* plParam)
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{
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return E_NOTIMPL; // CMLStrAttrWStr::GetAttrInterface()
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}
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STDMETHODIMP CMLStrAttrWStr::SetMLStr(long lDestPos, long lDestLen, IUnknown* pSrcMLStr, long lSrcPos, long lSrcLen)
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{
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return E_NOTIMPL; // CMLStrAttrWStr::SetMLStr()
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}
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STDMETHODIMP CMLStrAttrWStr::SetWStr(long lDestPos, long lDestLen, const WCHAR* pszSrc, long cchSrc, long* pcchActual, long* plActualLen)
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{
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ASSERT_THIS;
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ASSERT_READ_BLOCK(pszSrc, cchSrc);
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ASSERT_WRITE_PTR_OR_NULL(pcchActual);
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ASSERT_WRITE_PTR_OR_NULL(plActualLen);
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HRESULT hr = CheckThread();
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CLock Lock(TRUE, this, hr);
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long cchDestPos;
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long cchDestLen;
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long cchActual;
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long lActualLen;
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if (SUCCEEDED(hr) && (GetBufFlags() & MLSTR_WRITE))
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hr = E_INVALIDARG; // Not writable StrBuf; TODO: Replace StrBuf in this case if allowed
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if (SUCCEEDED(hr) &&
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SUCCEEDED(hr = PrepareMLStrBuf()) &&
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SUCCEEDED(hr = RegularizePosLen(&lDestPos, &lDestLen)) &&
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SUCCEEDED(hr = GetCCh(0, lDestPos, &cchDestPos)) &&
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SUCCEEDED(hr = GetCCh(cchDestPos, lDestLen, &cchDestLen)))
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{
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IMLangStringBufW* const pMLStrBufW = GetMLStrBufW();
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if (pMLStrBufW)
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{
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if (cchSrc > cchDestLen)
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{
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hr = pMLStrBufW->Insert(cchDestPos, cchSrc - cchDestLen, (pcchActual || plActualLen) ? &cchSrc : NULL);
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cchSrc += cchDestLen;
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}
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else if (cchSrc < cchDestLen)
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{
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hr = pMLStrBufW->Delete(cchDestPos, cchDestLen - cchSrc);
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}
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CMLStrBufWalkW BufWalk(pMLStrBufW, cchDestPos, cchSrc, (pcchActual || plActualLen));
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lActualLen = 0;
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while (BufWalk.Lock(hr))
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{
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long lLen;
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if (plActualLen)
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hr = CalcLenW(pszSrc, BufWalk.GetCCh(), &lLen);
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if (SUCCEEDED(hr))
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{
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lActualLen += lLen;
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::memcpy(BufWalk.GetStr(), pszSrc, sizeof(WCHAR) * BufWalk.GetCCh());
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pszSrc += BufWalk.GetCCh();
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}
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BufWalk.Unlock(hr);
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}
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cchActual = BufWalk.GetDoneCCh();
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}
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else
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{
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IMLangStringBufA* const pMLStrBufA = GetMLStrBufA(); // Should succeed because PrepareMLStrBuf() above was succeeded
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const UINT uCodePage = GetCodePage();
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long cchSrcA;
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if (SUCCEEDED(hr = ConvWStrToAStr(pcchActual || plActualLen, uCodePage, pszSrc, cchSrc, NULL, 0, &cchSrcA, NULL, NULL)))
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{
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if (cchSrcA > cchDestLen)
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{
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hr = pMLStrBufA->Insert(cchDestPos, cchSrcA - cchDestLen, (pcchActual || plActualLen) ? &cchSrcA : NULL);
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cchSrcA += cchDestLen;
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}
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else if (cchSrcA < cchDestLen)
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{
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hr = pMLStrBufA->Delete(cchDestPos, cchDestLen - cchSrcA);
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}
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}
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CMLStrBufWalkA BufWalk(pMLStrBufA, cchDestPos, cchSrcA, (pcchActual || plActualLen));
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cchActual = 0;
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lActualLen = 0;
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while (BufWalk.Lock(hr))
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{
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long cchWrittenA;
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long cchWrittenW;
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long lWrittenLen;
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if (SUCCEEDED(hr = ConvWStrToAStr(pcchActual || plActualLen, uCodePage, pszSrc, cchSrc, BufWalk.GetStr(), BufWalk.GetCCh(), &cchWrittenA, &cchWrittenW, &lWrittenLen)))
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{
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pszSrc += cchWrittenW;
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cchSrc -= cchWrittenW;
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cchActual += cchWrittenW;
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lActualLen += lWrittenLen;
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}
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BufWalk.Unlock(hr, cchWrittenA);
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}
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}
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}
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if (SUCCEEDED(hr))
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{
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if (pcchActual)
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*pcchActual = cchActual;
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if (plActualLen)
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*plActualLen = lActualLen;
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}
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else
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{
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if (pcchActual)
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*pcchActual = 0;
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if (plActualLen)
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*plActualLen = 0;
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}
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return hr;
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}
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STDMETHODIMP CMLStrAttrWStr::SetStrBufW(long lDestPos, long lDestLen, IMLangStringBufW* pSrcBuf, long* pcchActual, long* plActualLen)
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{
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ASSERT_THIS;
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return SetStrBufCommon(this, lDestPos, lDestLen, 0, pSrcBuf, NULL, pcchActual, plActualLen);
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}
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STDMETHODIMP CMLStrAttrWStr::GetWStr(long lSrcPos, long lSrcLen, WCHAR* pszDest, long cchDest, long* pcchActual, long* plActualLen)
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{
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ASSERT_THIS;
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ASSERT_WRITE_BLOCK_OR_NULL(pszDest, cchDest);
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ASSERT_WRITE_PTR_OR_NULL(pcchActual);
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ASSERT_WRITE_PTR_OR_NULL(plActualLen);
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HRESULT hr = CheckThread();
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CLock Lock(FALSE, this, hr);
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long cchSrcPos;
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long cchSrcLen;
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long cchActual;
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long lActualLen;
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if (SUCCEEDED(hr) &&
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SUCCEEDED(hr = RegularizePosLen(&lSrcPos, &lSrcLen)) &&
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SUCCEEDED(hr = GetCCh(0, lSrcPos, &cchSrcPos)) &&
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SUCCEEDED(hr = GetCCh(cchSrcPos, lSrcLen, &cchSrcLen)))
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{
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IMLangStringBufW* const pMLStrBufW = GetMLStrBufW();
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IMLangStringBufA* const pMLStrBufA = GetMLStrBufA();
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if (pszDest)
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cchActual = min(cchSrcLen, cchDest);
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else
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cchActual = cchSrcLen;
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if (pMLStrBufW)
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{
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CMLStrBufWalkW BufWalk(pMLStrBufW, cchSrcPos, cchActual, (pcchActual || plActualLen));
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lActualLen = 0;
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while (BufWalk.Lock(hr))
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{
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long lLen;
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if (plActualLen)
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hr = CalcLenW(BufWalk.GetStr(), BufWalk.GetCCh(), &lLen);
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if (SUCCEEDED(hr))
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{
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lActualLen += lLen;
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if (pszDest)
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{
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::memcpy(pszDest, BufWalk.GetStr(), sizeof(WCHAR) * BufWalk.GetCCh());
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pszDest += BufWalk.GetCCh();
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}
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}
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BufWalk.Unlock(hr);
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}
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cchActual = BufWalk.GetDoneCCh();
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}
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else if (pMLStrBufA)
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{
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CMLStrBufWalkA BufWalk(pMLStrBufA, cchSrcPos, cchActual, (pcchActual || plActualLen));
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cchActual = 0;
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lActualLen = 0;
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while ((!pszDest || cchDest > 0) && BufWalk.Lock(hr))
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{
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CHAR* const pszBuf = BufWalk.GetStr();
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long cchWrittenA;
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long cchWrittenW;
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long lWrittenLen;
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if (SUCCEEDED(hr = ConvAStrToWStr(GetCodePage(), pszBuf, BufWalk.GetCCh(), pszDest, cchDest, &cchWrittenA, &cchWrittenW, &lWrittenLen)))
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{
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lActualLen += lWrittenLen;
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cchActual += cchWrittenW;
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if (pszDest)
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{
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pszDest += cchWrittenW;
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cchDest -= cchWrittenW;
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}
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}
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BufWalk.Unlock(hr, cchWrittenA);
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}
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}
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else
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{
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ASSERT(cchActual == 0); // MLStrBuf is not available
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lActualLen = 0;
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}
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}
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if (SUCCEEDED(hr))
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{
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if (pcchActual)
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*pcchActual = cchActual;
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if (plActualLen)
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*plActualLen = lActualLen;
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}
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else
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{
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if (pcchActual)
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*pcchActual = 0;
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if (plActualLen)
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*plActualLen = 0;
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}
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return hr;
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}
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STDMETHODIMP CMLStrAttrWStr::GetStrBufW(long lSrcPos, long lSrcMaxLen, IMLangStringBufW** ppDestBuf, long* plDestLen)
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{
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ASSERT_THIS;
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ASSERT_WRITE_PTR_OR_NULL(ppDestBuf);
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ASSERT_WRITE_PTR_OR_NULL(plDestLen);
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HRESULT hr = CheckThread();
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CLock Lock(FALSE, this, hr);
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IMLangStringBufW* pMLStrBufW;
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if (SUCCEEDED(hr) &&
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SUCCEEDED(hr = RegularizePosLen(&lSrcPos, &lSrcMaxLen)) &&
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lSrcMaxLen <= 0)
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{
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hr = E_INVALIDARG;
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}
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if (SUCCEEDED(hr))
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{
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pMLStrBufW = GetMLStrBufW();
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if (!pMLStrBufW)
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hr = MLSTR_E_STRBUFNOTAVAILABLE;
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}
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if (SUCCEEDED(hr))
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{
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if (ppDestBuf)
|
||
|
|
{
|
||
|
|
pMLStrBufW->AddRef();
|
||
|
|
*ppDestBuf = pMLStrBufW;
|
||
|
|
}
|
||
|
|
if (plDestLen)
|
||
|
|
*plDestLen = lSrcMaxLen;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (ppDestBuf)
|
||
|
|
*ppDestBuf = NULL;
|
||
|
|
if (plDestLen)
|
||
|
|
*plDestLen = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CMLStrAttrWStr::LockWStr(long lSrcPos, long lSrcLen, long lFlags, long cchRequest, WCHAR** ppszDest, long* pcchDest, long* plDestLen)
|
||
|
|
{
|
||
|
|
ASSERT_THIS;
|
||
|
|
ASSERT_WRITE_PTR_OR_NULL(ppszDest);
|
||
|
|
ASSERT_WRITE_PTR_OR_NULL(pcchDest);
|
||
|
|
ASSERT_WRITE_PTR_OR_NULL(plDestLen);
|
||
|
|
|
||
|
|
HRESULT hr = CheckThread();
|
||
|
|
CLock Lock(lFlags & MLSTR_WRITE, this, hr);
|
||
|
|
long cchSrcPos;
|
||
|
|
long cchSrcLen;
|
||
|
|
WCHAR* pszBuf = NULL;
|
||
|
|
long cchBuf;
|
||
|
|
long lLockLen;
|
||
|
|
BOOL fDirectLock;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr) && (!lFlags || (lFlags & ~GetBufFlags() & MLSTR_WRITE)))
|
||
|
|
hr = E_INVALIDARG; // No flags specified, or not writable StrBuf; TODO: Replace StrBuf in this case if allowed
|
||
|
|
|
||
|
|
if (!(lFlags & MLSTR_WRITE))
|
||
|
|
cchRequest = 0;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr) &&
|
||
|
|
SUCCEEDED(hr = PrepareMLStrBuf()) &&
|
||
|
|
SUCCEEDED(hr = RegularizePosLen(&lSrcPos, &lSrcLen)) &&
|
||
|
|
SUCCEEDED(hr = GetCCh(0, lSrcPos, &cchSrcPos)) &&
|
||
|
|
SUCCEEDED(hr = GetCCh(cchSrcPos, lSrcLen, &cchSrcLen)))
|
||
|
|
{
|
||
|
|
IMLangStringBufW* const pMLStrBufW = GetMLStrBufW();
|
||
|
|
fDirectLock = (pMLStrBufW != 0);
|
||
|
|
|
||
|
|
if (fDirectLock)
|
||
|
|
{
|
||
|
|
long cchInserted;
|
||
|
|
long cchLockLen = cchSrcLen;
|
||
|
|
|
||
|
|
if (cchRequest > cchSrcLen &&
|
||
|
|
SUCCEEDED(hr = pMLStrBufW->Insert(cchSrcPos + cchSrcLen, cchRequest - cchSrcLen, &cchInserted)))
|
||
|
|
{
|
||
|
|
SetBufCCh(GetBufCCh() + cchInserted);
|
||
|
|
cchLockLen += cchInserted;
|
||
|
|
|
||
|
|
if (!pcchDest && cchLockLen < cchRequest)
|
||
|
|
hr = E_OUTOFMEMORY; // Can't insert in StrBuf
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr) &&
|
||
|
|
SUCCEEDED(hr = pMLStrBufW->LockBuf(cchSrcPos, cchLockLen, &pszBuf, &cchBuf)) &&
|
||
|
|
!pcchDest && cchBuf < max(cchSrcLen, cchRequest))
|
||
|
|
{
|
||
|
|
hr = E_OUTOFMEMORY; // Can't lock StrBuf
|
||
|
|
}
|
||
|
|
|
||
|
|
if (plDestLen && SUCCEEDED(hr))
|
||
|
|
hr = CalcLenW(pszBuf, cchBuf, &lLockLen);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
long cchSize;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr = CalcBufSizeW(lSrcLen, &cchSize)))
|
||
|
|
{
|
||
|
|
cchBuf = max(cchSize, cchRequest);
|
||
|
|
hr = MemAlloc(sizeof(*pszBuf) * cchBuf, (void**)&pszBuf);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr) && (lFlags & MLSTR_READ))
|
||
|
|
hr = GetWStr(lSrcPos, lSrcLen, pszBuf, cchBuf, (pcchDest) ? &cchBuf : NULL, (plDestLen) ? &lLockLen : NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr) &&
|
||
|
|
SUCCEEDED(hr = Lock.FallThrough()))
|
||
|
|
{
|
||
|
|
hr = GetLockInfo()->Lock((fDirectLock) ? UnlockWStrDirect : UnlockWStrIndirect, lFlags, 0, pszBuf, lSrcPos, lSrcLen, cchSrcPos, cchBuf);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
if (ppszDest)
|
||
|
|
*ppszDest = pszBuf;
|
||
|
|
if (pcchDest)
|
||
|
|
*pcchDest = cchBuf;
|
||
|
|
if (plDestLen)
|
||
|
|
*plDestLen = lLockLen;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (pszBuf)
|
||
|
|
{
|
||
|
|
if (fDirectLock)
|
||
|
|
GetMLStrBufW()->UnlockBuf(pszBuf, 0, 0);
|
||
|
|
else
|
||
|
|
MemFree(pszBuf);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ppszDest)
|
||
|
|
*ppszDest = NULL;
|
||
|
|
if (pcchDest)
|
||
|
|
*pcchDest = 0;
|
||
|
|
if (plDestLen)
|
||
|
|
*plDestLen = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CMLStrAttrWStr::UnlockWStr(const WCHAR* pszSrc, long cchSrc, long* pcchActual, long* plActualLen)
|
||
|
|
{
|
||
|
|
ASSERT_THIS;
|
||
|
|
ASSERT_READ_BLOCK(pszSrc, cchSrc);
|
||
|
|
ASSERT_WRITE_PTR_OR_NULL(pcchActual);
|
||
|
|
ASSERT_WRITE_PTR_OR_NULL(plActualLen);
|
||
|
|
|
||
|
|
return UnlockStrCommon(pszSrc, cchSrc, pcchActual, plActualLen);
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CMLStrAttrWStr::OnRegisterAttr(IUnknown* pUnk)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL; // CMLStrAttrWStr::OnRegisterAttr()
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CMLStrAttrWStr::OnUnregisterAttr(IUnknown* pUnk)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL; // CMLStrAttrWStr::OnUnregisterAttr()
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CMLStrAttrWStr::OnRequestEdit(long lDestPos, long lDestLen, long lNewLen, REFIID riid, LPARAM lParam, IUnknown* pUnk)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL; // CMLStrAttrWStr::OnRequestEdit()
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CMLStrAttrWStr::OnCanceledEdit(long lDestPos, long lDestLen, long lNewLen, REFIID riid, LPARAM lParam, IUnknown* pUnk)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL; // CMLStrAttrWStr::OnCanceledEdit()
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CMLStrAttrWStr::OnChanged(long lDestPos, long lDestLen, long lNewLen, REFIID riid, LPARAM lParam, IUnknown* pUnk)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL; // CMLStrAttrWStr::OnChanged()
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // NEWMLSTR
|