233 lines
6.6 KiB
C++
233 lines
6.6 KiB
C++
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//+--------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1992.
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//
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// File: rpubdf.cxx
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//
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// Contents: CRootPubDocFile implementation
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//
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//---------------------------------------------------------------
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#include "dfhead.cxx"
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#include "h/header.hxx"
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#include "h/rexpdf.hxx"
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#include "dfbasis.hxx"
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#include "h/tchar.h"
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// Priority mode lock permissions
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#define PRIORITY_PERMS DF_READ
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//+--------------------------------------------------------------
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//
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// Member: CRootExposedDocFile::CRootExposedDocFile, public
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//
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// Synopsis: Ctor - Initializes empty object
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//
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//---------------------------------------------------------------
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CRootExposedDocFile::CRootExposedDocFile(CDFBasis *pdfb) :
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CExposedDocFile(NULL, NULL, 0, ROOT_LUID, NULL, NULL, NULL, pdfb)
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{
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olDebugOut((DEB_ITRACE, "CRootExposedDocFile constructor called\n"));
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}
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//+--------------------------------------------------------------
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//
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// Member: CRootExposedDocFile::Init, private
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//
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// Synopsis: Dependent root initialization
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//
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// Arguments: [plstBase] - Base
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// [snbExclude] - Limited instantiation exclusions
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// [dwStartFlags] - Startup flags
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//
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// Returns: Appropriate status code
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//
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//---------------------------------------------------------------
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SCODE CRootExposedDocFile::Init( ILockBytes *plstBase,
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SNBW snbExclude,
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DWORD const dwStartFlags)
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{
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CDocFile *pdf;
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SCODE sc;
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CMStream *pms;
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olDebugOut((DEB_ITRACE, "In CRootExposedDocFile::Init()\n"));
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if (snbExclude)
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{
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olChk(DllMultiStreamFromStream(&pms, &plstBase, dwStartFlags));
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olMemTo(EH_pms,
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pdf = new CDocFile(pms, SIDROOT, ROOT_LUID, _pilbBase));
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pdf->AddRef();
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olChkTo(EH_pdf, pdf->ExcludeEntries(pdf, snbExclude));
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olChkTo(EH_pdf, pms->Flush(0));
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pdf->Release();
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}
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plstBase->AddRef();
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_pilbBase = plstBase;
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olDebugOut((DEB_ITRACE, "Out CRootExposedDocFile::Init()\n"));
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return S_OK;
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EH_pdf:
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pdf->Release();
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EH_pms:
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DllReleaseMultiStream(pms);
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EH_Err:
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: CRootExposedDocFile::InitRoot, public
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//
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// Synopsis: Initialising a root storage
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//
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// Arguments: [plstBase] - Base LStream
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// [dwStartFlags] - How to start things
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// [df] - Transactioning flags
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// [snbExclude] - Parital instantiation list
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// [ppdfb] - Basis pointer return
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//
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// Returns: Appropriate status code
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//
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// Modifies: [ppdfb]
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//
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//---------------------------------------------------------------
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SCODE CRootExposedDocFile::InitRoot( ILockBytes *plstBase,
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DWORD const dwStartFlags,
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DFLAGS const df,
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SNBW snbExclude)
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{
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CDocFile *pdfBase;
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SCODE sc, scConv = S_OK;
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STATSTG statstg;
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olDebugOut((DEB_ITRACE, "In CRootExposedDocFile::InitRoot("
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"%p, %lX, %lX, %p)\n",
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plstBase, dwStartFlags, df, snbExclude));
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// Exclusion only works with a plain open
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olAssert(snbExclude == NULL ||
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(dwStartFlags & (RSF_CREATEFLAGS | RSF_CONVERT)) == 0);
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olHChk(plstBase->Stat(&statstg, STATFLAG_NONAME));
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olChkTo(EH_GetPriority,
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Init(plstBase, snbExclude, dwStartFlags));
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scConv = DllMultiStreamFromStream(&_pmsBase, &_pilbBase,
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dwStartFlags);
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if (scConv == STG_E_INVALIDHEADER)
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scConv = STG_E_FILEALREADYEXISTS;
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olChkTo(EH_pfstScratchInit, scConv);
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olMemTo(EH_pmsBase,
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pdfBase = new CDocFile(_pmsBase, SIDROOT, ROOT_LUID, _pilbBase));
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pdfBase->AddRef();
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_pdf = pdfBase;
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_df = df;
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olDebugOut((DEB_ITRACE, "Out CRootExposedDocFile::InitRoot\n"));
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return scConv;
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EH_pmsBase:
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DllReleaseMultiStream(_pmsBase);
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EH_pfstScratchInit:
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EH_GetPriority:
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EH_Err:
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: CRootExposedDocFile::~CRootExposedDocFile,
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// public virutal
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//
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// Synopsis: dtor (virtual)
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//
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//---------------------------------------------------------------
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CRootExposedDocFile::~CRootExposedDocFile(void)
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{
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olDebugOut((DEB_TRACE, "In CRootExposedDocFile::~CRootExposedDocFile\n"));
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olAssert(_cReferences == 0);
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if (SUCCEEDED(CheckReverted()))
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{
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if (_pilbBase) {
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_pilbBase->Release();
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_pilbBase = NULL;
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}
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}
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olDebugOut((DEB_TRACE, "Out CRootExposedDocFile::~CRootExposedDocFile\n"));
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}
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//+-------------------------------------------------------------------
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//
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// Member: CRootExposedDocFile::Stat, public
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// virtual fr. CExposedDocFile
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//
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// Synopsis: Fills in a stat buffer from the base LStream
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//
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// Arguments: [pstatstg] - Stat buffer
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// [grfStatFlag] - Stat flags
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//
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// Returns: Appropriate status code
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//
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// Modifies: [pstatstg]
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//
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//--------------------------------------------------------------------
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SCODE CRootExposedDocFile::Stat(STATSTGW *pstatstgw, DWORD grfStatFlag)
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{
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SCODE sc;
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STATSTG *pstatstg= (STATSTG*)pstatstgw;
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olDebugOut((DEB_ITRACE, "In CRootExposedDocFile::Stat(%p, %lu)\n",
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pstatstg, grfStatFlag));
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olChk(ValidateOutBuffer(pstatstg, sizeof(STATSTGW)));
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olChk(VerifyStatFlag(grfStatFlag));
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olChk(CheckReverted());
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olHChk(_pilbBase->Stat(pstatstg, grfStatFlag));
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pstatstg->type = STGTY_STORAGE;
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ULISet32(pstatstg->cbSize, 0); // size undefined for storage obj
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pstatstg->grfLocksSupported = 0;
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pstatstg->reserved = 0;
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if (pstatstg->pwcsName)
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{
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// pilbBase returns either wide or ansi names depending on
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// system type, so we have to convert to ANSI char if neccessay
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WCHAR *pwcs;
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olChkTo(EH_pwcsName,
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DfAllocWC(_tcslen(pstatstg->pwcsName)+1, &pwcs));
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TTOW(pstatstg->pwcsName, pwcs, _tcslen(pstatstg->pwcsName)+1);
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delete[] pstatstg->pwcsName;
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pstatstgw->pwcsName = pwcs;
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}
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pstatstg->grfMode = DFlagsToMode(_df);
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olChkTo(EH_pwcsName, _pdf->GetClass(&pstatstg->clsid));
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olChkTo(EH_pwcsName, _pdf->GetStateBits(&pstatstg->grfStateBits));
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olDebugOut((DEB_ITRACE, "Out CRootExposedDocFile::Stat\n"));
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return S_OK;
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EH_pwcsName:
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if (pstatstg->pwcsName)
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delete[] pstatstg->pwcsName;
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EH_Err:
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return sc;
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}
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