Leaked source code of windows server 2003
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/*++
Copyright (c) Microsoft Corporation
Module Name:
pcmwriter.cpp
Abstract:
implementation of Precompiled manifest writer
Author:
Xiaoyu Wu (xiaoyuw) June 2000
Revision History:
--*/
#include "stdinc.h"
#include "pcm.h"
#include "nodefactory.h"
//helper APIs
HRESULT CPrecompiledManifestWriter::SetFactory(IXMLNodeFactory *pNodeFactory)
{
if (! pNodeFactory)
return E_INVALIDARG;
m_pNodeFactory = pNodeFactory;
return NOERROR;
}
HRESULT CPrecompiledManifestWriter::Close()
{
HRESULT hr = NOERROR;
if (m_pFileStream)
hr = m_pFileStream->Close(m_ulRecordCount, m_usMaxNodeCount);
return hr;
}
HRESULT CPrecompiledManifestWriter::Initialize(PCWSTR pcmFileName)
{
HRESULT hr = NOERROR;
CStringBuffer buffFileName;
if ( ! pcmFileName )
return E_INVALIDARG;
hr = buffFileName.Assign(pcmFileName, ::wcslen(pcmFileName));
if (FAILED(hr))
return hr;
// Initialize() is assumed to be called only once
if (m_pFileStream != NULL){
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_ERROR,
"SXS.DLL: %S is called more than once\n", __FUNCTION__);
return E_UNEXPECTED;
}
m_pFileStream = new CPrecompiledManifestWriterStream;
if ( !m_pFileStream )
return E_OUTOFMEMORY;
hr = m_pFileStream->SetSink(buffFileName);
if (FAILED(hr))
goto Exit;
hr = WritePCMHeader();
if ( FAILED(hr))
goto Exit;
hr= NOERROR;
Exit:
return hr;
}
// we assume that this pStream is initialized by using SetSink....
HRESULT CPrecompiledManifestWriter::SetWriterStream(CPrecompiledManifestWriterStream * pSinkedStream)
{
if ( ! pSinkedStream )
return E_INVALIDARG;
ASSERT(pSinkedStream->IsSinkedStream() == TRUE);
m_pFileStream = pSinkedStream;
return NOERROR;
}
// write helper APIs
HRESULT CPrecompiledManifestWriter::GetPCMRecordSize(XML_NODE_INFO ** ppNodeInfo, USHORT iNodeCount, ULONG * pSize)
{
ULONG ulSize = 0 ;
XML_NODE_INFO *pNode = NULL;
USHORT i = 0 ;
ULONG ulSingleRecordSize = offsetof(XML_NODE_INFO, pNode);
HRESULT hr = NOERROR;
if ( pSize)
*pSize = 0 ;
if ((!pSize) || (!ppNodeInfo) || (!*ppNodeInfo))
return E_INVALIDARG;
// validate ppNodeInfo
for (i=0;i<iNodeCount;i++)
if (!ppNodeInfo[i])
return E_INVALIDARG;
*pSize = 0;
for ( i=0; i < iNodeCount; i++){
pNode = ppNodeInfo[i];
ASSERT(pNode);
//ulSize += ulSingleRecordSize = sizeof(XML_NODE_INFO)- sizeof(PVOID) - sizeof(PVOID);
ulSize += ulSingleRecordSize = offsetof(XML_NODE_INFO, pNode);
ulSize += pNode->ulLen * sizeof(WCHAR);
}
if ( pSize)
*pSize = ulSize;
return hr;
}
HRESULT CPrecompiledManifestWriter::WritePCMHeader()
{
HRESULT hr = NOERROR;
PCMHeader pcmHeader;
pcmHeader.iVersion = 1;
pcmHeader.ulRecordCount = 0 ;
pcmHeader.usMaxNodeCount = 0 ;
hr = m_pFileStream->WriteWithDelay((PVOID)&(pcmHeader), sizeof(PCMHeader), NULL);
if (FAILED(hr))
goto Exit;
hr = NOERROR;
Exit:
return hr;
}
HRESULT CPrecompiledManifestWriter::WritePCMRecordHeader(PCM_RecordHeader * pHeader)
{
HRESULT hr = NOERROR;
ASSERT(m_pFileStream);
if ( ! pHeader)
return E_INVALIDARG;
hr = m_pFileStream->WriteWithDelay((PVOID)(pHeader), sizeof(PCM_RecordHeader), NULL);
if ( FAILED(hr))
goto Exit;
hr = NOERROR;
Exit:
return hr;
}
inline void FromXMLNodeToPCMXMLNode(PCM_XML_NODE_INFO *pPCMNode, XML_NODE_INFO *pNode)
{
ASSERT(pPCMNode && pNode);
pPCMNode->dwSize = pNode->dwSize;
pPCMNode->dwType = pNode->dwType ;
pPCMNode->dwSubType = pNode->dwSubType ;
pPCMNode->fTerminal = pNode->fTerminal ;
pPCMNode->ulLen = pNode->ulLen ;
pPCMNode->ulNsPrefixLen = pNode->ulNsPrefixLen ;
pPCMNode->offset = 0 ;
return;
}
HRESULT CPrecompiledManifestWriter::WritePCMXmlNodeInfo(XML_NODE_INFO ** ppNodeInfo, USHORT iNodeCount, RECORD_TYPE_PRECOMP_MANIFEST typeID, PVOID param)
{
HRESULT hr = NOERROR;
ULONG offset ;
USHORT i;
PCM_XML_NODE_INFO pcmNode;
XML_NODE_INFO * pNode = NULL ;
USHORT uTextAddr;
USHORT uTextOffset;
ULONG cbWritten;
LPWSTR *ppText = NULL;
ULONG *pcbLen = NULL;
LPWSTR pstr;
ULONG ulLen;
if ((!ppNodeInfo) || (!*ppNodeInfo))
return E_INVALIDARG;
if (!((typeID == ENDCHILDREN_PRECOMP_MANIFEST) || (typeID == BEGINCHILDREN_PRECOMP_MANIFEST) ||
(typeID == CREATENODE_PRECOMP_MANIFEST)))
return E_INVALIDARG;
if (!m_pFileStream)
return E_UNEXPECTED;
//uTextAddr = sizeof(PCM_RecordHeader) + NodeCount * sizeof(PCM_XML_NODE_INFO);
// RecordHeader is read before the boby(XML_NODE_INFO) is read
uTextAddr = iNodeCount * sizeof(PCM_XML_NODE_INFO);
uTextOffset = 0;
if (typeID == ENDCHILDREN_PRECOMP_MANIFEST) // param1 is fEmpty;
uTextAddr += sizeof(BOOL);
else if (typeID == CREATENODE_PRECOMP_MANIFEST) // param1 = linenumber
uTextAddr += sizeof(ULONG);
if ( iNodeCount == 1) { // for BeginChildren and EndChildren
ppText = &pstr;
pcbLen = &ulLen;
}
else
{
ppText = FUSION_NEW_ARRAY(LPWSTR, iNodeCount);
if (!ppText) {
hr = E_OUTOFMEMORY;
goto Exit;
}
pcbLen = FUSION_NEW_ARRAY(ULONG, iNodeCount);
if (!pcbLen ){
hr = E_OUTOFMEMORY;
goto Exit;
}
}
// write all records
for (i=0; i<iNodeCount; i++) {
pNode = ppNodeInfo[i];
if (!pNode) {
hr = E_FAIL;
goto Exit;
}
ppText[i] = (LPWSTR)(pNode->pwcText) ;
pcbLen[i] = pNode->ulLen * sizeof(WCHAR);
//pPCMNode = static_cast<PCM_XML_NODE_INFO *>(pNode);
FromXMLNodeToPCMXMLNode(&pcmNode, pNode); // void function
pcmNode.offset = uTextAddr + uTextOffset;
uTextAddr = uTextAddr + uTextOffset;
uTextOffset = (USHORT)pcmNode.ulLen * sizeof(WCHAR) ;
hr = m_pFileStream->WriteWithDelay((PVOID)&pcmNode, sizeof(PCM_XML_NODE_INFO), &cbWritten);
if ( FAILED(hr))
goto Exit;
}
if ( typeID == ENDCHILDREN_PRECOMP_MANIFEST) // write fEmpty into the file
hr = m_pFileStream->WriteWithDelay(param, sizeof(BOOL), &cbWritten);
else if ( typeID == CREATENODE_PRECOMP_MANIFEST)
hr = m_pFileStream->WriteWithDelay(param, sizeof(ULONG), &cbWritten);
// write texts in all records
for (i=0; i<iNodeCount; i++) {
hr = m_pFileStream->WriteWithDelay((PVOID)ppText[i], (ULONG)pcbLen[i], &cbWritten);
if ( FAILED(hr))
goto Exit;
}
Exit :
if ((ppText) && (ppText != &pstr))
FUSION_DELETE_ARRAY(ppText);
if ( (pcbLen) && ( pcbLen != &ulLen))
FUSION_DELETE_ARRAY(pcbLen);
return hr;
}
// write APIs
HRESULT CPrecompiledManifestWriter::WritePrecompiledManifestRecord(RECORD_TYPE_PRECOMP_MANIFEST typeID,
PVOID pData, USHORT NodeCount, PVOID param)
{
HRESULT hr=NOERROR;
PCM_RecordHeader pcmHeader;
XML_NODE_INFO ** apNodeInfo = NULL ;
if (!pData)
return E_INVALIDARG;
// validate typeID and param
if ((typeID == ENDCHILDREN_PRECOMP_MANIFEST) || (typeID == CREATENODE_PRECOMP_MANIFEST)){
if (!param)
return E_INVALIDARG;
}else if (typeID != BEGINCHILDREN_PRECOMP_MANIFEST)
return E_INVALIDARG;
apNodeInfo = (XML_NODE_INFO **)pData;
pcmHeader.typeID = typeID;
hr = GetPCMRecordSize(apNodeInfo, NodeCount, &pcmHeader.RecordSize) ; // the size contains each string's length
if (FAILED(hr))
goto Exit;
if (typeID == ENDCHILDREN_PRECOMP_MANIFEST) // param1 is fEmpty;
pcmHeader.RecordSize += sizeof(BOOL);
else if (typeID == CREATENODE_PRECOMP_MANIFEST) // param1 is Current Line number
pcmHeader.RecordSize += sizeof(ULONG);
pcmHeader.NodeCount = NodeCount;
hr = WritePCMRecordHeader(&pcmHeader);
if (FAILED(hr))
goto Exit;
hr = WritePCMXmlNodeInfo(apNodeInfo, NodeCount, typeID, param);
if (FAILED(hr))
goto Exit;
m_ulRecordCount ++ ;
if ( NodeCount > m_usMaxNodeCount )
m_usMaxNodeCount = NodeCount;
hr = NOERROR;
Exit:
return hr;
}
// IUnknown
ULONG CPrecompiledManifestWriter::AddRef()
{
return ::SxspInterlockedIncrement(&m_cRef);
}
ULONG CPrecompiledManifestWriter::Release()
{
ULONG lRet = ::SxspInterlockedDecrement(&m_cRef);
if (!lRet)
FUSION_DELETE_SINGLETON(this);
return lRet;
}
HRESULT CPrecompiledManifestWriter::QueryInterface(REFIID riid, LPVOID *ppv)
{
if (riid == __uuidof(this))
{
*ppv = this;
}
else if (riid == IID_IUnknown
|| riid == IID_IXMLNodeFactory)
{
*ppv = static_cast<IXMLNodeFactory*> (this);
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
// IXMLNodeFactory methods:
HRESULT CPrecompiledManifestWriter::NotifyEvent(IXMLNodeSource *pSource, XML_NODEFACTORY_EVENT iEvt)
{
ASSERT(m_pNodeFactory);
// no hr-canonicalization is needed because these two nodefactories are supposed to return the correct range of values
return m_pNodeFactory->NotifyEvent(pSource, iEvt);
}
HRESULT CPrecompiledManifestWriter::BeginChildren(IXMLNodeSource *pSource, XML_NODE_INFO *pNodeInfo)
{
HRESULT hr = NOERROR;
ASSERT(m_pNodeFactory);
hr = m_pNodeFactory->BeginChildren(pSource, pNodeInfo);
if ( FAILED(hr))
goto Exit;
// write pcm file
hr = WritePrecompiledManifestRecord(BEGINCHILDREN_PRECOMP_MANIFEST,
&pNodeInfo, 1, NULL);
if ( FAILED(hr))
goto Exit;
hr = NOERROR;
Exit:
return hr;
}
HRESULT CPrecompiledManifestWriter::EndChildren(IXMLNodeSource *pSource, BOOL fEmpty, XML_NODE_INFO *pNodeInfo)
{
HRESULT hr = NOERROR;
ASSERT(m_pNodeFactory);
hr = m_pNodeFactory->EndChildren(pSource, fEmpty, pNodeInfo);
if ( FAILED(hr))
goto Exit;
// write pcm file
hr = WritePrecompiledManifestRecord(ENDCHILDREN_PRECOMP_MANIFEST, &pNodeInfo, 1, &fEmpty);
if ( FAILED(hr))
goto Exit;
hr = NOERROR;
Exit:
return hr;
}
HRESULT CPrecompiledManifestWriter::Error(IXMLNodeSource *pSource, HRESULT hrErrorCode, USHORT cNumRecs, XML_NODE_INFO **apNodeInfo)
{
ASSERT(m_pNodeFactory);
// no hr-canonicalization is needed because these two nodefactories are supposed to return the correct range of values
return m_pNodeFactory->Error(pSource, hrErrorCode, cNumRecs, apNodeInfo);
}
HRESULT CPrecompiledManifestWriter::CreateNode(IXMLNodeSource *pSource, PVOID pNodeParent, USHORT cNumRecs, XML_NODE_INFO **apNodeInfo)
{
ULONG ulLineNumber ;
HRESULT hr = NOERROR;
ASSERT(m_pNodeFactory);
if ( ! m_pNodeFactory)
return E_UNEXPECTED;
hr = m_pNodeFactory->CreateNode(pSource, pNodeParent, cNumRecs, apNodeInfo);
if ( FAILED(hr))
goto Exit;
ulLineNumber = pSource->GetLineNumber();
hr = WritePrecompiledManifestRecord(CREATENODE_PRECOMP_MANIFEST,
apNodeInfo, cNumRecs, &ulLineNumber);
if ( FAILED(hr))
goto Exit;
hr = NOERROR;
Exit:
return hr;
}
HRESULT CPrecompiledManifestWriter::Initialize(PACTCTXGENCTX ActCtxGenCtx, PASSEMBLY Assembly,
PACTCTXCTB_ASSEMBLY_CONTEXT AssemblyContext)
{
HRESULT hr = NOERROR;
FN_TRACE_HR(hr);
CSmartRef<CNodeFactory> pNodeFactory;
if (! m_pNodeFactory) {
pNodeFactory = new CNodeFactory;
if (!pNodeFactory) {
return E_OUTOFMEMORY;
}
m_pNodeFactory = pNodeFactory;
}
else {
hr = pNodeFactory.QueryInterfaceFrom(m_pNodeFactory);
ASSERT(SUCCEEDED(hr));
}
IFW32FALSE_EXIT(pNodeFactory->Initialize(ActCtxGenCtx, Assembly, AssemblyContext));
IFCOMFAILED_EXIT(this->SetWriterStream(reinterpret_cast<CPrecompiledManifestWriterStream*>(AssemblyContext->pcmWriterStream));
// this must be called in order for later use
IFCOMFAILED_EXIT(this->WritePCMHeader());
FN_EPILOG
}