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C++ DOMDocument::hasChildNodes方法代码示例

本文整理汇总了C++中DOMDocument::hasChildNodes方法的典型用法代码示例。如果您正苦于以下问题:C++ DOMDocument::hasChildNodes方法的具体用法?C++ DOMDocument::hasChildNodes怎么用?C++ DOMDocument::hasChildNodes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DOMDocument的用法示例。


在下文中一共展示了DOMDocument::hasChildNodes方法的1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: main

XERCES_CPP_NAMESPACE_USE

int main( int argc, char *argv[] )
{
    std::cout << "****************************" << std::endl;
    std::cout << "XML DOM PARSER PLAY" << std::endl;
    std::cout << "****************************" << std::endl;

    try
    {
        XMLPlatformUtils::Initialize();
    }
    catch( const XMLException& ex )
    {
        std::cerr << "error with xml initialisation:" << ex.getMessage() << std::endl;
        return 1;
    }

    std::cout << "Building parser ..." << std::endl;
    XercesDOMParser* parser = new XercesDOMParser();
    if( !parser )
    {
        std::cerr << "no parser" << std::endl;
        return 1;
    }
    parser->setValidationScheme(XercesDOMParser::Val_Always);
    parser->setDoNamespaces(false);
    parser->setDoSchema(false);
    parser->setCreateEntityReferenceNodes(false);

    std::cout << "Building error handler" << std::endl;
    ErrorHandler* errHandler = dynamic_cast<ErrorHandler*>(new HandlerBase());
    if( errHandler == 0 )
    {
        std::cerr << "ibad cast" << std::endl;
        return 1;
    } 
    
    if( errHandler == 0 )
    {
        std::cerr << "error with errorhandler caszting:" << std::endl;
        return 1;
    }
    parser->setErrorHandler(errHandler);

    char* xmlFile = "/home/suggitpe/test/RPMS/config/rpms_config.xml";
    try
    {
        parser->parse(xmlFile);
        if( parser->getErrorCount() == 0 )
        {
            std::cerr << "errors in parsing" << std::endl;
            return 1;
        }
        DOMDocument * doc = parser->getDocument();
        if( doc->hasChildNodes() )
        {
            std::cout << "Num nodes: " << doc->getChildNodes()->getLength() << std::endl;
            for( int i = 0; i < doc->getChildNodes()->getLength();++i )
            {
                cout << "\t" << i << " type: " << doc->getChildNodes()->item(i)->getNodeType() << endl;
                if( doc->getChildNodes()->item(i)->getNodeType() == 1 )
                {
                    DOMElement *e = dynamic_cast<DOMElement*>(doc->getChildNodes()->item(i));
                    if( !e ) { cerr << "bad cast" << endl; }
                    if( e->hasChildNodes() )
                    {
                        cout << "\t\telement found with " << e->getChildNodes()->getLength() << " nodes"<< endl;
                    }
                    else
                    {
                        cout << "No child nodes" << endl;
                    }
                }
            }

            cout << "now for the other way" << endl;
            XMLCh * name = XMLString::transcode("system_components");
            DOMNodeList *list = doc->getDocumentElement()->getElementsByTagName( name );
            XMLString::release(&name);
            
            std::cout << "Got list [" << list->getLength() << "]" << std::endl;
            for( XMLSize_t i =0; i < list->getLength(); ++i )
            {
                std::cout << "." << std::endl;
            }
        }
        else
        {
            std::cout << "no child nodes" << std::endl;
        }
    }
    catch( const XMLException& ex )
    {
        std::cerr << "error with xml parser:" << ex.getMessage() << std::endl;
        return 1;
    }
    catch( const DOMException& dex )
    {
        std::cerr << "error with xml parser:" << dex.msg << std::endl;
//.........这里部分代码省略.........
开发者ID:suggitpe,项目名称:RPMS,代码行数:101,代码来源:domparserplay.cpp


注:本文中的DOMDocument::hasChildNodes方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。