411 lines
16 KiB
C
411 lines
16 KiB
C
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#ifndef NEWMLSTR
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// MLStr.h : Declaration of the CMLStr
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#ifndef __MLSTR_H_
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#define __MLSTR_H_
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#ifdef ASTRIMPL
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#include "mlstrw.h"
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#endif
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#include "mlstra.h"
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#ifdef ASTRIMPL
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#include "mlstrbuf.h"
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#endif
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#define MAX_LOCK_COUNT 4
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// Error Code
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#define FACILITY_MLSTR 0x0A15
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#define MLSTR_E_ACCESSDENIED MAKE_HRESULT(1, FACILITY_MLSTR, 1002)
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#define MLSTR_E_TOOMANYNESTOFLOCK MAKE_HRESULT(1, FACILITY_MLSTR, 1003)
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#define MLSTR_E_STRBUFNOTAVAILABLE MAKE_HRESULT(1, FACILITY_MLSTR, 1004)
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/////////////////////////////////////////////////////////////////////////////
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// CMLStr
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class ATL_NO_VTABLE CMLStr :
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public CComObjectRoot,
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public CComCoClass<CMLStr, &CLSID_CMLangString>,
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#ifdef ASTRIMPL
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public IMLangString
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#else
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public IMLangStringWStr
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#endif
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{
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typedef HRESULT (CMLStr::*PFNUNLOCKPROC)(void* pKey, const void* pszSrc, long cchSrc, long* pcchActual, long* plActualLen);
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public:
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CMLStr(void);
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DECLARE_NO_REGISTRY()
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BEGIN_COM_MAP(CMLStr)
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COM_INTERFACE_ENTRY(IMLangString)
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#ifdef ASTRIMPL
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COM_INTERFACE_ENTRY_TEAR_OFF(IID_IMLangStringWStr, CMLStrW)
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#else
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COM_INTERFACE_ENTRY(IMLangStringWStr)
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#endif
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COM_INTERFACE_ENTRY_TEAR_OFF(IID_IMLangStringAStr, CMLStrA)
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END_COM_MAP()
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public:
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// IMLangString
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STDMETHOD(Sync)(/*[in]*/ BOOL fNoAccess);
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STDMETHOD(GetLength)(/*[out, retval]*/ long* plLen);
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STDMETHOD(SetMLStr)(/*[in]*/ long lDestPos, /*[in]*/ long lDestLen, /*[in]*/ IUnknown* pSrcMLStr, /*[in]*/ long lSrcPos, /*[in]*/ long lSrcLen);
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STDMETHOD(GetMLStr)(/*[in]*/ long lSrcPos, /*[in]*/ long lSrcLen, /*[in]*/ IUnknown* pUnkOuter, /*[in]*/ DWORD dwClsContext, /*[in]*/ const IID* piid, /*[out]*/ IUnknown** ppDestMLStr, /*[out]*/ long* plDestPos, /*[out]*/ long* plDestLen);
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#ifndef ASTRIMPL
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// IMLangStringWStr
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STDMETHOD(SetWStr)(/*[in]*/ long lDestPos, /*[in]*/ long lDestLen, /*[in, size_is(cchSrc)]*/ const WCHAR* pszSrc, /*[in]*/ long cchSrc, /*[out]*/ long* pcchActual, /*[out]*/ long* plActualLen);
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STDMETHOD(SetStrBufW)(/*[in]*/ long lDestPos, /*[in]*/ long lDestLen, /*[in]*/ IMLangStringBufW* pSrcBuf, /*[out]*/ long* pcchActual, /*[out]*/ long* plActualLen);
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STDMETHOD(GetWStr)(/*[in]*/ long lSrcPos, /*[in]*/ long lSrcLen, /*[out, size_is(cchDest)]*/ WCHAR* pszDest, /*[in]*/ long cchDest, /*[out]*/ long* pcchActual, /*[out]*/ long* plActualLen);
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STDMETHOD(GetStrBufW)(/*[in]*/ long lSrcPos, /*[in]*/ long lSrcMaxLen, /*[out]*/ IMLangStringBufW** ppDestBuf, /*[out]*/ long* plDestLen);
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STDMETHOD(LockWStr)(/*[in]*/ long lSrcPos, /*[in]*/ long lSrcLen, /*[in]*/ long lFlags, /*[in]*/ long cchRequest, /*[out, size_is(,*pcchDest)]*/ WCHAR** ppszDest, /*[out]*/ long* pcchDest, /*[out]*/ long* plDestLen);
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STDMETHOD(UnlockWStr)(/*[in, size_is(cchSrc)]*/ const WCHAR* pszSrc, /*[in]*/ long cchSrc, /*[out]*/ long* pcchActual, /*[out]*/ long* plActualLen);
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#endif
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STDMETHOD(SetLocale)(/*[in]*/ long lDestPos, /*[in]*/ long lDestLen, /*[in]*/ LCID locale);
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STDMETHOD(GetLocale)(/*[in]*/ long lSrcPos, /*[in]*/ long lSrcMaxLen, /*[out]*/ LCID* plocale, /*[out]*/ long* plLocalePos, /*[out]*/ long* plLocaleLen);
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#ifdef ASTRIMPL
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protected:
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class CLockInfo
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{
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protected:
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class CLockInfoEntry
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{
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public:
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void* m_psz;
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PFNUNLOCKPROC m_pfnUnlockProc;
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long m_lFlags;
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UINT m_uCodePage;
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long m_lPos;
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long m_lLen;
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long m_cchPos;
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long m_cchLen;
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};
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public:
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CLockInfo(CMLStr* pMLStr) : m_pMLStr(pMLStr)
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{
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m_nLockCount = 0;
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m_pLockArray = NULL;
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}
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~CLockInfo(void)
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{
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UnlockAll();
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}
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HRESULT UnlockAll(void);
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HRESULT StartLock(BOOL fWrite)
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{
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if (fWrite && !m_nLockCount)
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m_nLockCount = -1; // Negative means write lock
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else if (!fWrite && m_nLockCount >= 0)
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m_nLockCount++;
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else
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return MLSTR_E_ACCESSDENIED;
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return S_OK;
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}
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HRESULT EndLock(BOOL fWrite)
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{
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ASSERT(m_nLockCount);
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if (fWrite)
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m_nLockCount = 0;
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else
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m_nLockCount--;
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return S_OK;
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}
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HRESULT Lock(PFNUNLOCKPROC pfnUnlockProc, long lFlags, UINT uCodePage, void* psz, long lPos, long lLen, long cchPos, long cchLen);
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HRESULT Find(const void* psz, long cch, void** ppKey);
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HRESULT Unlock(void* pKey, const void* psz, long cch, long* pcchActual, long* plActualLen);
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long GetFlags(void* pKey) {return ((CLockInfoEntry*)pKey)->m_lFlags;}
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UINT GetCodePage(void* pKey) {return ((CLockInfoEntry*)pKey)->m_uCodePage;}
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long GetPos(void* pKey) {return ((CLockInfoEntry*)pKey)->m_lPos;}
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long GetLen(void* pKey) {return ((CLockInfoEntry*)pKey)->m_lLen;}
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long GetCChPos(void* pKey) {return ((CLockInfoEntry*)pKey)->m_cchPos;}
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long GetCChLen(void* pKey) {return ((CLockInfoEntry*)pKey)->m_cchLen;}
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protected:
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CMLStr* const m_pMLStr;
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int m_nLockCount;
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CLockInfoEntry* m_pLockArray;
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};
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class CMLStrBufStandardW : public CMLStrBufW
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{
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protected:
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LPVOID MemAlloc(ULONG cb) {return ::CoTaskMemAlloc(cb);}
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LPVOID MemRealloc(LPVOID pv, ULONG cb) {return ::CoTaskMemRealloc(pv, cb);}
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void MemFree(LPVOID pv) {::CoTaskMemFree(pv);}
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long RoundBufSize(long cchStr);
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};
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#endif
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public:
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// Called from CMLStrW and CMLStrA
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#ifdef ASTRIMPL
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class CLock
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{
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public:
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CLock(BOOL fWrite, CMLStr* pMLStr, HRESULT& hr) : m_fWrite(fWrite), m_pMLStr(pMLStr) {m_fLocked = (SUCCEEDED(hr) && SUCCEEDED(hr = m_pMLStr->GetLockInfo()->StartLock(m_fWrite)));}
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~CLock(void) {if (m_fLocked) m_pMLStr->GetLockInfo()->EndLock(m_fWrite);}
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HRESULT FallThrough(void) {m_fLocked = FALSE; return S_OK;} // Don't call EndLock in destructor
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protected:
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const BOOL m_fWrite;
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CMLStr* const m_pMLStr;
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BOOL m_fLocked;
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};
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#endif
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HRESULT PrepareMLStrBuf(void);
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HRESULT SetStrBufCommon(void* pMLStrX, long lDestPos, long lDestLen, UINT uCodePage, IMLangStringBufW* pSrcBufW, IMLangStringBufA* pSrcBufA, long* pcchActual, long* plActualLen);
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#ifdef ASTRIMPL
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HRESULT UnlockStrCommon(const void* pszSrc, long cchSrc, long* pcchActual, long* plActualLen);
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#endif
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HRESULT CheckThread(void) {return (m_dwThreadID == ::GetCurrentThreadId()) ? S_OK : E_FAIL;}
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HRESULT RegularizePosLen(long* plPos, long* plLen);
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HRESULT GetLen(long cchOffset, long cchLen, long* plLen);
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HRESULT GetCCh(long cchOffset, long lLen, long* pcchLen);
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static HRESULT CalcLenW(const WCHAR*, long cchLen, long* plLen) {if (plLen) *plLen = cchLen; return S_OK;}
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static HRESULT CalcLenA(UINT uCodePage, const CHAR*, long cchLen, long* plLen);
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static HRESULT CalcCChW(const WCHAR*, long lLen, long* pcchLen) {if (pcchLen) *pcchLen = lLen; return S_OK;}
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static HRESULT CalcCChA(UINT uCodePage, const CHAR*, long lLen, long* pcchLen);
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static HRESULT CalcBufSizeW(long lLen, long* pcchSize) {if (pcchSize) *pcchSize = lLen; return S_OK;}
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static HRESULT CalcBufSizeA(long lLen, long* pcchSize) {if (pcchSize) *pcchSize = lLen * 2; return S_OK;}
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static HRESULT ConvAStrToWStr(UINT uCodePage, const CHAR* pszSrc, long cchSrc, WCHAR* pszDest, long cchDest, long* pcchActualA, long* pcchActualW, long* plActualLen);
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static HRESULT ConvWStrToAStr(BOOL fCanStopAtMiddle, UINT uCodePage, const WCHAR* pszSrc, long cchSrc, CHAR* pszDest, long cchDest, long* pcchActualA, long* pcchActualW, long* plActualLen);
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IMLangStringBufW* GetMLStrBufW(void) const {return m_pMLStrBufW;}
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void SetMLStrBufW(IMLangStringBufW* pBuf) {m_pMLStrBufW = pBuf;}
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IMLangStringBufA* GetMLStrBufA(void) const {return m_pMLStrBufA;}
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void SetMLStrBufA(IMLangStringBufA* pBuf) {m_pMLStrBufA = pBuf;}
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UINT GetCodePage(void) const {return m_uCodePage;}
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void SetCodePage(UINT uCodePage) {m_uCodePage = uCodePage;}
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long GetBufFlags(void) const {return m_lBufFlags;}
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void SetBufFlags(long lBufFlags) {m_lBufFlags = lBufFlags;}
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long GetBufCCh(void) const {return m_cchBuf;}
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void SetBufCCh(long cchBuf) {m_cchBuf = cchBuf;}
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LCID GetLocale(void) const {return m_locale;}
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void SetLocale(LCID locale) {m_locale = locale;}
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#ifdef ASTRIMPL
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CLockInfo* GetLockInfo(void) {return &m_LockInfo;}
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#else
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BOOL IsLocked(void) const {return (m_lLockFlags != 0);}
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BOOL IsDirectLock(void) const {return m_fDirectLock;}
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void SetDirectLockFlag(BOOL fDirectLock) {m_fDirectLock = fDirectLock;}
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long GetLockFlags(void) const {return m_lLockFlags;}
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void SetLockFlags(long lFlags) {m_lLockFlags = lFlags;}
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#endif
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HRESULT MemAlloc(ULONG cb, void** ppv) {void* pv = ::CoTaskMemAlloc(cb); if (ppv) *ppv = pv; return (pv) ? S_OK : E_OUTOFMEMORY;}
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HRESULT MemFree(void* pv) {::CoTaskMemFree(pv); return S_OK;}
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#ifdef ASTRIMPL
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HRESULT UnlockWStrDirect(void* pKey, const void* pszSrc, long cchSrc, long* pcchActual, long* plActualLen);
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HRESULT UnlockWStrIndirect(void* pKey, const void* pszSrc, long cchSrc, long* pcchActual, long* plActualLen);
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HRESULT UnlockAStrDirect(void* pKey, const void* pszSrc, long cchSrc, long* pcchActual, long* plActualLen);
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HRESULT UnlockAStrIndirect(void* pKey, const void* pszSrc, long cchSrc, long* pcchActual, long* plActualLen);
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#endif
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protected:
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~CMLStr(void);
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#ifndef ASTRIMPL
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static HRESULT ConvertMLStrBufAToWStr(UINT uCodePage, IMLangStringBufA* pMLStrBufA, long cchSrcPos, long cchSrcLen, WCHAR* pszBuf, long cchBuf, long* pcchActual);
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static HRESULT ConvertWStrToMLStrBufA(const WCHAR* pszSrc, long cchSrc, UINT uCodePage, IMLangStringBufA* pMLStrBufA, long cchDestPos, long cchDestLen);
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#endif
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DWORD m_dwThreadID;
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IMLangStringBufW* m_pMLStrBufW;
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IMLangStringBufA* m_pMLStrBufA;
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UINT m_uCodePage;
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long m_lBufFlags;
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long m_cchBuf;
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LCID m_locale;
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#ifdef ASTRIMPL
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CLockInfo m_LockInfo;
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#else
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BOOL m_fDirectLock;
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long m_lLockFlags;
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WCHAR* m_pszLockBuf;
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long m_cchLockPos;
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long m_cchLockLen;
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long m_lLockPos;
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long m_lLockLen;
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#endif
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};
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#endif //__MLSTR_H_
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#else // NEWMLSTR
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// MLStr.h : Declaration of the CMLStr
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#ifndef __MLSTR_H_
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#define __MLSTR_H_
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#include "mlstrw.h" // IMLangStringWStrImpl
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#include "mlstra.h" // IMLangStringAStrImpl
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#include "util.h"
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/////////////////////////////////////////////////////////////////////////////
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// CMLStr
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class ATL_NO_VTABLE CMLStr :
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public CComObjectRoot,
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public CComCoClass<CMLStr, &CLSID_CMLangString>,
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public IMLangString,
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public IMLStrAttrNotifySink,
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public IConnectionPointContainerImpl<CMLStr>,
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public IConnectionPointImpl<CMLStr, &IID_IMLangStringNotifySink>
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{
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public:
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CMLStr();
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DECLARE_NO_REGISTRY()
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BEGIN_COM_MAP(CMLStr)
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COM_INTERFACE_ENTRY(IMLangString)
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COM_INTERFACE_ENTRY_TEAR_OFF(IID_IMLangStringWStr, CMLStrW)
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COM_INTERFACE_ENTRY_TEAR_OFF(IID_IMLangStringAStr, CMLStrA)
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COM_INTERFACE_ENTRY(IMLStrAttrNotifySink)
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COM_INTERFACE_ENTRY_IMPL(IConnectionPointContainer)
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END_COM_MAP()
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BEGIN_CONNECTION_POINT_MAP(CMLStr)
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CONNECTION_POINT_ENTRY(IID_IMLangStringNotifySink)
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END_CONNECTION_POINT_MAP()
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public:
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// IMLangString
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STDMETHOD(LockMLStr)(/*[in]*/ long lPos, /*[in]*/ long lLen, /*[in]*/ DWORD dwFlags, /*[out]*/ DWORD* pdwCookie, /*[out]*/ long* plActualPos, /*[out]*/ long* plActualLen);
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STDMETHOD(UnlockMLStr)(/*[in]*/ DWORD dwCookie);
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STDMETHOD(GetLength)(/*[out, retval]*/ long* plLen);
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STDMETHOD(SetMLStr)(/*[in]*/ long lDestPos, /*[in]*/ long lDestLen, /*[in]*/ IUnknown* pSrcMLStr, /*[in]*/ long lSrcPos, /*[in]*/ long lSrcLen);
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STDMETHOD(RegisterAttr)(/*[in]*/ IUnknown* pUnk, /*[out]*/ DWORD* pdwCookie);
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STDMETHOD(UnregisterAttr)(/*[in]*/ DWORD dwCookie);
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STDMETHOD(EnumAttr)(/*[out]*/ IEnumUnknown** ppEnumUnk);
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STDMETHOD(FindAttr)(/*[in]*/ REFIID riid, /*[in]*/ LPARAM lParam, /*[out]*/ IUnknown** ppUnk);
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// IMLStrAttrNotifySink
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STDMETHOD(OnRequestEdit)(/*[in]*/ long lDestPos, /*[in]*/ long lDestLen, /*[in]*/ long lNewLen, /*[in]*/ REFIID riid, /*[in]*/ LPARAM lParam, /*[in]*/ IUnknown* pUnk);
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STDMETHOD(OnCanceledEdit)(/*[in]*/ long lDestPos, /*[in]*/ long lDestLen, /*[in]*/ long lNewLen, /*[in]*/ REFIID riid, /*[in]*/ LPARAM lParam, /*[in]*/ IUnknown* pUnk);
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STDMETHOD(OnChanged)(/*[in]*/ long lDestPos, /*[in]*/ long lDestLen, /*[in]*/ long lNewLen, /*[in]*/ REFIID riid, /*[in]*/ LPARAM lParam, /*[in]*/ IUnknown* pUnk);
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//---------------------------------------------------------------------------
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protected:
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struct LOCKINFO
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{
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long lPos;
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long lLen;
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DWORD dwFlags;
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DWORD dwThrd;
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};
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//---------------------------------------------------------------------------
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protected:
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class CLockList : public CMLListFast
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{
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protected:
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struct CCell : public CMLListFast::CCell
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{
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LOCKINFO m_linfo;
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};
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public:
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inline CLockList(void) : CMLListFast(sizeof(CCell), sizeof(CCell) * 8) {}
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inline HRESULT SetLock(void* pv, long lPos, long lLen, DWORD dwFlags, DWORD dwThrd)
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{
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((CCell*)pv)->m_linfo.lPos = lPos;
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((CCell*)pv)->m_linfo.lLen = lLen;
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((CCell*)pv)->m_linfo.dwFlags = dwFlags;
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((CCell*)pv)->m_linfo.dwThrd = dwThrd;
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return S_OK;
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}
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inline HRESULT GetLockInfo(void* pv, LOCKINFO** pplinfo)
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{
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*pplinfo = &((CCell*)pv)->m_linfo;
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return S_OK;
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}
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};
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//---------------------------------------------------------------------------
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protected:
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class CAttrList : public CMLListLru
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{
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protected:
|
||
|
struct CCell : public CMLListLru::CCell
|
||
|
{
|
||
|
IMLStrAttr* m_pAttr;
|
||
|
DWORD m_dwCookie;
|
||
|
};
|
||
|
|
||
|
public:
|
||
|
inline CAttrList(void) : CMLListLru(sizeof(CCell), sizeof(CCell) * 8) {}
|
||
|
inline IMLStrAttr* GetAttr(void* pv) {return ((CCell*)pv)->m_pAttr;}
|
||
|
inline void SetAttr(void* pv, IMLStrAttr* pAttr) {((CCell*)pv)->m_pAttr = pAttr;}
|
||
|
inline DWORD GetCookie(void* pv) const {return ((CCell*)pv)->m_dwCookie;}
|
||
|
inline void SetCookie(void* pv, DWORD dwCookie) {((CCell*)pv)->m_dwCookie = dwCookie;}
|
||
|
};
|
||
|
//---------------------------------------------------------------------------
|
||
|
// IEnumUnknown object for IMLangString::EnumAttr()
|
||
|
protected:
|
||
|
class ATL_NO_VTABLE CEnumAttr :
|
||
|
public CComObjectRoot,
|
||
|
public IEnumUnknown
|
||
|
{
|
||
|
public:
|
||
|
CEnumAttr(void);
|
||
|
~CEnumAttr(void);
|
||
|
void Init(CMLStr* pMLStr);
|
||
|
|
||
|
BEGIN_COM_MAP(CEnumAttr)
|
||
|
COM_INTERFACE_ENTRY(IEnumUnknown)
|
||
|
END_COM_MAP()
|
||
|
|
||
|
STDMETHOD(Next)(ULONG celt, IUnknown** rgelt, ULONG* pceltFetched);
|
||
|
STDMETHOD(Skip)(ULONG celt);
|
||
|
STDMETHOD(Reset)(void);
|
||
|
STDMETHOD(Clone)(IEnumUnknown** ppEnum);
|
||
|
|
||
|
protected:
|
||
|
CMLStr* m_pMLStr;
|
||
|
void* m_pv;
|
||
|
};
|
||
|
friend class CEnumAttr;
|
||
|
//---------------------------------------------------------------------------
|
||
|
// Fire notification to all of IMLangStringNotifySink advised.
|
||
|
protected:
|
||
|
class CFire : public CFireConnection<IMLangStringNotifySink, &IID_IMLangStringNotifySink>
|
||
|
{
|
||
|
public:
|
||
|
inline CFire(HRESULT& rhr, CMLStr* const pMLStr) :
|
||
|
CFireConnection<IMLangStringNotifySink, &IID_IMLangStringNotifySink>(rhr)
|
||
|
{
|
||
|
if (SUCCEEDED(*m_phr) &&
|
||
|
FAILED(*m_phr = pMLStr->EnumConnections(&m_pEnumConn)))
|
||
|
{
|
||
|
m_pEnumConn = NULL;
|
||
|
}
|
||
|
}
|
||
|
};
|
||
|
//---------------------------------------------------------------------------
|
||
|
|
||
|
protected:
|
||
|
~CMLStr(void);
|
||
|
HRESULT CheckAccessValidation(long lPos, long lLen, DWORD dwFlags, DWORD dwThrd, long* plActualPos, long* plActualLen);
|
||
|
|
||
|
inline HRESULT StartEndConnectionAttr(IUnknown* const pUnk, DWORD* const pdwCookie, DWORD dwCookie)
|
||
|
{
|
||
|
return ::StartEndConnection(pUnk, &IID_IMLStrAttrNotifySink, (IMLStrAttrNotifySink*)this, pdwCookie, dwCookie);
|
||
|
}
|
||
|
|
||
|
protected:
|
||
|
long m_lLen;
|
||
|
CLockList m_lock;
|
||
|
CAttrList m_attr;
|
||
|
HANDLE m_hUnlockEvent;
|
||
|
int m_cWaitUnlock;
|
||
|
HANDLE m_hZeroEvent;
|
||
|
};
|
||
|
|
||
|
#endif //__MLSTR_H_
|
||
|
|
||
|
#endif // NEWMLSTR
|