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C++ IXMLDOMDocument::selectSingleNode方法代码示例

本文整理汇总了C++中IXMLDOMDocument::selectSingleNode方法的典型用法代码示例。如果您正苦于以下问题：C++ IXMLDOMDocument::selectSingleNode方法的具体用法？C++ IXMLDOMDocument::selectSingleNode怎么用？C++ IXMLDOMDocument::selectSingleNode使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IXMLDOMDocument的用法示例。


在下文中一共展示了IXMLDOMDocument::selectSingleNode方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: insertDTIFileItem

int DicomImageSet::insertDTIFileItem(const QString &datasetFolderName, const QString &queryString, const QString &dtiFileName)
{
	HRESULT hr = CoInitialize(NULL);
	if (!SUCCEEDED(hr))
	{
		return 0;
	}
	QString datasetFileName = datasetFolderName+DATASET_FILE_NAME;
	IXMLDOMDocument *pXMLDom = NULL;
	IXMLDOMElement *pNode = NULL, *pParent = NULL;
	BSTR bstrQuery = NULL;
	VARIANT varFileName;
	VARIANT_BOOL varStatus;
	QString queryDTIFile;

	CHK_HR(CreateAndInitDOM(&pXMLDom));
	CHK_HR(VariantFromString(datasetFileName.toStdWString().c_str(), varFileName));
	CHK_HR(pXMLDom->load(varFileName, &varStatus));

	/*queryDTIFile = queryString+QString("/DTI[@file_name = '%1']").arg(dtiFileName);
	bstrQuery = SysAllocString(queryString.toStdWString().c_str());
	CHK_ALLOC(bstrQuery);
	CHK_HR(pXMLDom->selectSingleNode(bstrQuery, (IXMLDOMNode**)&pNode));
	SysFreeString(bstrQuery);
	if (pNode)
	{
		return 1;
	}*/	

	bstrQuery = SysAllocString(queryString.toStdWString().c_str());
	CHK_ALLOC(bstrQuery);
	CHK_HR(pXMLDom->selectSingleNode(bstrQuery, (IXMLDOMNode**)&pParent));
	SysFreeString(bstrQuery);

	if (pParent)
	{
		CHK_HR(CreateElement(pXMLDom, L"DTI", &pNode));
		CHK_HR(CreateAndAddAttributeNode(pXMLDom, L"file_name", dtiFileName.toStdWString().c_str(), pNode));
		CHK_HR(CreateAndAddTextNode(pXMLDom, L"\n", pParent));
		CHK_HR(AppendChildToParent(pNode, pParent));
		CHK_HR(pXMLDom->save(varFileName));
		return 1;
	}

CleanUp:
	SAFE_RELEASE(pXMLDom);
	SAFE_RELEASE(pNode);
	return 0;
}
开发者ID:vcpudding，项目名称:DTI-Visualization，代码行数:49，代码来源:DicomImageSet.cpp

示例2: getDTIFileName

QString DicomImageSet::getDTIFileName(const QString &datasetFolderName, const QString &queryString)
{
	QString datasetFileName = datasetFolderName+DATASET_FILE_NAME;
	HRESULT hr = S_OK;
	IXMLDOMDocument *pXMLDom = NULL;
	IXMLDOMNode *pFileNode = NULL;
	VARIANT_BOOL varStatus;
	VARIANT varFileName;
	BSTR bstrQuery;

	QStringList fileList;

	CHK_HR(CreateAndInitDOM(&pXMLDom));

	CHK_HR(VariantFromString(datasetFileName.toStdWString().c_str(), varFileName));
	CHK_HR(pXMLDom->load(varFileName, &varStatus));
	if (varStatus != VARIANT_TRUE)
	{
		CHK_HR(ReportParseError(pXMLDom, "Failed to load DOM from stocks.xml."));
	}

	bstrQuery = SysAllocString(QString(queryString+"/DTI").toStdWString().c_str());
	CHK_ALLOC(bstrQuery);
	CHK_HR(pXMLDom->selectSingleNode(bstrQuery, &pFileNode));
	if (pFileNode)
	{
		VARIANT varValue;
		CHK_HR(GetAttributeFromNode(pFileNode, L"file_name", &varValue));
		return QString::fromWCharArray(_bstr_t(varValue));
	}

CleanUp:
	SAFE_RELEASE(pXMLDom);
	SAFE_RELEASE(pFileNode);
	return QString();
}
开发者ID:vcpudding，项目名称:DTI-Visualization，代码行数:36，代码来源:DicomImageSet.cpp

示例3: SetShadersGLSL

bool COpenGL::SetShadersGLSL(const TCHAR *glslFileName)
{
	char *fragment=NULL, *vertex=NULL;
	IXMLDOMDocument * pXMLDoc = NULL;
	IXMLDOMElement * pXDE = NULL;
	IXMLDOMNode * pXDN = NULL;
	HRESULT hr;
	BSTR queryString, nodeContent;

	TCHAR errorMsg[MAX_PATH + 50];

	if(fragmentShader) {
		glDetachShader(shaderProgram,fragmentShader);
		glDeleteShader(fragmentShader);
		fragmentShader = 0;
	}
	if(vertexShader) {
		glDetachShader(shaderProgram,vertexShader);
		glDeleteShader(vertexShader);
		vertexShader = 0;
	}
	if(shaderProgram) {
		glUseProgram(0);
		glDeleteProgram(shaderProgram);
		shaderProgram = 0;
	}

	if(glslFileName==NULL || *glslFileName==TEXT('\0'))
		return true;

	if(!LoadShaderFunctions()) {
        MessageBox(NULL, TEXT("Unable to load OpenGL shader functions"), TEXT("Shader Loading Error"),
			MB_OK|MB_ICONEXCLAMATION);
        return false;
    }

	hr = CoCreateInstance(CLSID_DOMDocument,NULL,CLSCTX_INPROC_SERVER,IID_PPV_ARGS(&pXMLDoc));

	if(FAILED(hr)) {
		MessageBox(NULL, TEXT("Error creating XML Parser"), TEXT("Shader Loading Error"),
			MB_OK|MB_ICONEXCLAMATION);
		return false;
	}

	VARIANT fileName;
	VARIANT_BOOL ret;
	fileName.vt = VT_BSTR;
#ifdef UNICODE
	fileName.bstrVal = SysAllocString(glslFileName);
#else
	wchar_t tempfilename[MAX_PATH];
	MultiByteToWideChar(CP_UTF8,0,glslFileName,-1,tempfilename,MAX_PATH);
	fileName.bstrVal = SysAllocString(tempfilename);
#endif
	hr = pXMLDoc->load(fileName,&ret);
	SysFreeString(fileName.bstrVal);

	if(FAILED(hr) || hr==S_FALSE) {
		_stprintf(errorMsg,TEXT("Error loading GLSL shader file:\n%s"),glslFileName);
		MessageBox(NULL, errorMsg, TEXT("Shader Loading Error"), MB_OK|MB_ICONEXCLAMATION);
		pXMLDoc->Release();
		return false;
	}

	VARIANT attributeValue;
	BSTR attributeName;

	hr = pXMLDoc->get_documentElement(&pXDE);
	if(FAILED(hr) || hr==S_FALSE) {
		_stprintf(errorMsg,TEXT("Error loading root element from file:\n%s"),glslFileName);
		MessageBox(NULL, errorMsg, TEXT("Shader Loading Error"), MB_OK|MB_ICONEXCLAMATION);
		pXMLDoc->Release();
		return false;
	}

	attributeName=SysAllocString(L"language");
	pXDE->getAttribute(attributeName,&attributeValue);
	SysFreeString(attributeName);
	pXDE->Release();

	if(attributeValue.vt!=VT_BSTR || lstrcmpiW(attributeValue.bstrVal,L"glsl")) {
		_stprintf(errorMsg,TEXT("Shader language is <%s>, expected <GLSL> in file:\n%s"),attributeValue.bstrVal,glslFileName);
		MessageBox(NULL, errorMsg, TEXT("Shader Loading Error"), MB_OK|MB_ICONEXCLAMATION);
		if(attributeValue.vt==VT_BSTR) SysFreeString(attributeValue.bstrVal);
		pXMLDoc->Release();
		return false;
	}
	if(attributeValue.vt==VT_BSTR) SysFreeString(attributeValue.bstrVal);

	queryString=SysAllocString(L"/shader/fragment");
	hr = pXMLDoc->selectSingleNode(queryString,&pXDN);
	SysFreeString(queryString);

	if(hr == S_OK) {
		hr = pXDN->get_text(&nodeContent);
		if(hr == S_OK) {
			int requiredChars = WideCharToMultiByte(CP_ACP,0,nodeContent,-1,fragment,0,NULL,NULL);
			fragment = new char[requiredChars];
			WideCharToMultiByte(CP_UTF8,0,nodeContent,-1,fragment,requiredChars,NULL,NULL);
		}
//.........这里部分代码省略.........
开发者ID:chuckries，项目名称:snes9x，代码行数:101，代码来源:COpenGL.cpp

示例4: FAILED

bool CDirect3D::SetShaderHLSL(const TCHAR *file)
{
	//MUDLORD: the guts
	//Compiles a shader from files on disc
	//Sets LUT textures to texture files in PNG format.

	TCHAR folder[MAX_PATH];
	TCHAR rubyLUTfileName[MAX_PATH];
	TCHAR *slash;
	char *shaderText = NULL;

	TCHAR errorMsg[MAX_PATH + 50];

	IXMLDOMDocument * pXMLDoc = NULL;
	IXMLDOMElement * pXDE = NULL;
	IXMLDOMNode * pXDN = NULL;
	BSTR queryString, nodeContent;

	HRESULT hr;

	shaderTimer = 1.0f;
	shaderTimeStart = 0;
	shaderTimeElapsed = 0;

	if(effect) {
		effect->Release();
		effect = NULL;
	}
	for(int i = 0; i < MAX_SHADER_TEXTURES; i++) {
		if (rubyLUT[i] != NULL) {
			rubyLUT[i]->Release();
			rubyLUT[i] = NULL;
		}
	}
	if (file == NULL || *file==TEXT('\0'))
		return true;

	hr = CoCreateInstance(CLSID_DOMDocument,NULL,CLSCTX_INPROC_SERVER,IID_PPV_ARGS(&pXMLDoc));

	if(FAILED(hr)) {
		MessageBox(NULL, TEXT("Error creating XML Parser"), TEXT("Shader Loading Error"),
			MB_OK|MB_ICONEXCLAMATION);
		return false;
	}

	VARIANT fileName;
	VARIANT_BOOL ret;
	fileName.vt = VT_BSTR;
#ifdef UNICODE
	fileName.bstrVal = SysAllocString(file);
#else
	wchar_t tempfilename[MAX_PATH];
	MultiByteToWideChar(CP_UTF8,0,file,-1,tempfilename,MAX_PATH);
	fileName.bstrVal = SysAllocString(tempfilename);
#endif
	hr = pXMLDoc->load(fileName,&ret);
	SysFreeString(fileName.bstrVal);

	if(FAILED(hr) || hr==S_FALSE) {
		_stprintf(errorMsg,TEXT("Error loading HLSL shader file:\n%s"),file);
		MessageBox(NULL, errorMsg, TEXT("Shader Loading Error"), MB_OK|MB_ICONEXCLAMATION);
		pXMLDoc->Release();
		return false;
	}

	VARIANT attributeValue;
	BSTR attributeName;

	hr = pXMLDoc->get_documentElement(&pXDE);
	if(FAILED(hr) || hr==S_FALSE) {
		_stprintf(errorMsg,TEXT("Error loading root element from file:\n%s"),file);
		MessageBox(NULL, errorMsg, TEXT("Shader Loading Error"), MB_OK|MB_ICONEXCLAMATION);
		pXMLDoc->Release();
		return false;
	}

	attributeName=SysAllocString(L"language");
	pXDE->getAttribute(attributeName,&attributeValue);
	SysFreeString(attributeName);
	pXDE->Release();

	if(attributeValue.vt!=VT_BSTR || lstrcmpiW(attributeValue.bstrVal,L"hlsl")) {
		_stprintf(errorMsg,TEXT("Shader language is <%s>, expected <HLSL> in file:\n%s"),attributeValue.bstrVal,file);
		MessageBox(NULL, errorMsg, TEXT("Shader Loading Error"), MB_OK|MB_ICONEXCLAMATION);
		if(attributeValue.vt==VT_BSTR) SysFreeString(attributeValue.bstrVal);
		pXMLDoc->Release();
		return false;
	}
	if(attributeValue.vt==VT_BSTR) SysFreeString(attributeValue.bstrVal);

	queryString=SysAllocString(L"/shader/source");
	hr = pXMLDoc->selectSingleNode(queryString,&pXDN);
	SysFreeString(queryString);

	if(hr == S_OK) {
		hr = pXDN->get_text(&nodeContent);
		if(hr == S_OK) {
			int requiredChars = WideCharToMultiByte(CP_ACP,0,nodeContent,-1,shaderText,0,NULL,NULL);
			shaderText = new char[requiredChars];
			WideCharToMultiByte(CP_UTF8,0,nodeContent,-1,shaderText,requiredChars,NULL,NULL);
//.........这里部分代码省略.........
开发者ID:LuigiBlood，项目名称:snes9x-sx2，代码行数:101，代码来源:CDirect3D.cpp

示例5: readDatasetFile


//.........这里部分代码省略.........
			patientItem->setExpanded(true);

			IXMLDOMNodeList * pDates = NULL;
			CHK_HR(pPatient->get_childNodes(&pDates));
			long nDates;
			CHK_HR(pDates->get_length(&nDates));
			for (long j=0; j<nDates; ++j)
			{
				IXMLDOMNode * pDate = NULL;
				CHK_HR(pDates->get_item(j, &pDate));
				CHK_HR(pDate->get_nodeType(&nodeType));
				if(nodeType!=NODE_ELEMENT)
				{
					continue;
				}
				CHK_HR(GetAttributeFromNode(pDate, L"acquisition_date", &varValue));
				queryDate = QString::fromWCharArray(_bstr_t(varValue));
				int intDate = queryDate.toInt();
				QDate date = (QDate::fromString("1900-01-01", "yyyy-MM-dd")).addDays(intDate-693962);
				QTreeWidgetItem * dateItem = new QTreeWidgetItem(patientItem, QStringList(date.toString("yyyy-MM-dd")));
				dateItem->setExpanded(true);

				IXMLDOMNodeList * pProtocols = NULL;
				CHK_HR(pDate->get_childNodes(&pProtocols));
				long nProtocols;
				CHK_HR(pProtocols->get_length(&nProtocols));
				for (long j=0; j<nProtocols; ++j)
				{
					IXMLDOMNode * pProtocol = NULL;
					CHK_HR(pProtocols->get_item(j, &pProtocol));
					CHK_HR(pProtocol->get_nodeType(&nodeType));
					if(nodeType!=NODE_ELEMENT)
					{
						continue;
					}
					CHK_HR(GetAttributeFromNode(pProtocol, L"protocol_name", &varValue));
					queryProtocol = QString::fromWCharArray(_bstr_t(varValue));
					QTreeWidgetItem * protocolItem = new QTreeWidgetItem(dateItem, QStringList(queryProtocol));
					protocolItem->setExpanded(true);

					IXMLDOMNodeList * pCollections = NULL;
					CHK_HR(pProtocol->get_childNodes(&pCollections));
					long nCollections;
					CHK_HR(pCollections->get_length(&nCollections));
					for (long j=0; j<nCollections; ++j)
					{
						IXMLDOMNode * pCollection = NULL;
						CHK_HR(pCollections->get_item(j, &pCollection));
						CHK_HR(pCollection->get_nodeType(&nodeType));
						if(nodeType!=NODE_ELEMENT)
						{
							continue;
						}
						CHK_HR(GetAttributeFromNode(pCollection, L"acquisition_number", &varValue));
						queryCollection = QString::fromWCharArray(_bstr_t(varValue));
						QTreeWidgetItem * collectionItem = new QTreeWidgetItem(protocolItem);
						QString queryStr = QString("root/Patient[@patients_name = '%1']/Date[@acquisition_date = '%2']/Protocol[@protocol_name = '%3']/Collection[@acquisition_number = '%4']")
							.arg(queryPatient).arg(queryDate).arg(queryProtocol).arg(queryCollection);

						IXMLDOMElement * pDtiNode = NULL;
						bstrQuery = SysAllocString(QString(queryStr+"/DTI").toStdWString().c_str());
						CHK_ALLOC(bstrQuery);
						CHK_HR(pXMLDom->selectSingleNode(bstrQuery, (IXMLDOMNode**)&pDtiNode));
						SysFreeString(bstrQuery);
						if (pDtiNode)
						{
							collectionItem->setText(0,queryCollection+"*");
						} else
						{
							collectionItem->setText(0, queryCollection);
						}

						collectionItem->setData(0, Qt::UserRole, queryStr);
						collectionItem->setExpanded(true);


						protocolItem->addChild(collectionItem);
						SAFE_RELEASE(pCollection);
					}

					dateItem->addChild(protocolItem);
					SAFE_RELEASE(pProtocol);
				}

				patientItem->addChild(dateItem);
				SAFE_RELEASE(pDate);
			}
			treeWidget->insertTopLevelItem(i, patientItem);
			SAFE_RELEASE(pPatient);
		}
	}

CleanUp:
    SAFE_RELEASE(pXMLDom);
    SAFE_RELEASE(pPatients);
    SAFE_RELEASE(pPatient);
    VariantClear(&varFileName);

	return SUCCEEDED(hr);
}
开发者ID:vcpudding，项目名称:DTI-Visualization，代码行数:101，代码来源:DicomImageSet.cpp

示例6: queryNodes

void queryNodes()
{
    HRESULT hr = S_OK;
    IXMLDOMDocument *pXMLDom = NULL;
    IXMLDOMNodeList *pNodes = NULL;
    IXMLDOMNode *pNode = NULL;

    BSTR bstrQuery1 = NULL;
    BSTR bstrQuery2 = NULL;
    BSTR bstrNodeName = NULL;
    BSTR bstrNodeValue = NULL;
    VARIANT_BOOL varStatus;
    VARIANT varFileName;
    VariantInit(&varFileName);

    CHK_HR(CreateAndInitDOM(&pXMLDom));

    CHK_HR(VariantFromString(L"stocks.xml", varFileName));
    CHK_HR(pXMLDom->load(varFileName, &varStatus));
    if (varStatus != VARIANT_TRUE)
    {
        CHK_HR(ReportParseError(pXMLDom, "Failed to load DOM from stocks.xml."));
    }

    // Query a single node.
    bstrQuery1 = SysAllocString(L"//stock[1]/*");
    CHK_ALLOC(bstrQuery1);
    CHK_HR(pXMLDom->selectSingleNode(bstrQuery1, &pNode));
    if (pNode)
    {
        printf("Result from selectSingleNode:\n");
        CHK_HR(pNode->get_nodeName(&bstrNodeName));
        printf("Node, <%S>:\n", bstrNodeName);
        SysFreeString(bstrNodeName);

        CHK_HR(pNode->get_xml(&bstrNodeValue));
        printf("\t%S\n\n", bstrNodeValue);
        SysFreeString(bstrNodeValue);
        SAFE_RELEASE(pNode);
    }
    else
    {
        CHK_HR(ReportParseError(pXMLDom, "Error while calling selectSingleNode."));
    }

    // Query a node-set.
    bstrQuery2 = SysAllocString(L"//stock[1]/*");
    CHK_ALLOC(bstrQuery2);
    CHK_HR(pXMLDom->selectNodes(bstrQuery2, &pNodes));
    if(pNodes)
    {
        printf("Results from selectNodes:\n");
        //get the length of node-set
        long length;
        CHK_HR(pNodes->get_length(&length));
        for (long i = 0; i < length; i++)
        {
            CHK_HR(pNodes->get_item(i, &pNode));
            CHK_HR(pNode->get_nodeName(&bstrNodeName));
			/*if(0== wcscmp(bstrNodeValue, L"symbol"))
			{
				 
			}
           */
			printf("Node (%d), <%S>:\n", i, bstrNodeName);
            SysFreeString(bstrNodeName);

            CHK_HR(pNode->get_xml(&bstrNodeValue));
			
            printf("\t%S\n", bstrNodeValue);
            SysFreeString(bstrNodeValue);
            SAFE_RELEASE(pNode);
        }
    }
    else
    {
        CHK_HR(ReportParseError(pXMLDom, "Error while calling selectNodes."));
    }

CleanUp:
    SAFE_RELEASE(pXMLDom);
    SAFE_RELEASE(pNodes);
    SAFE_RELEASE(pNode);
    SysFreeString(bstrQuery1);
    SysFreeString(bstrQuery2);
    SysFreeString(bstrNodeName);
    SysFreeString(bstrNodeValue);
    VariantClear(&varFileName);
}
开发者ID:maheshmahajanplk，项目名称:Continuum，代码行数:89，代码来源:XMLParsing.cpp


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