Posted on 2011-03-06 22:15
kongkongzi 阅读(1207)
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third
myfile.xml
<level1>
<level2>
<name>abc</name>
</level2>
<level2>
<name>xyz</name>
</level2>
</level1>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/framework/XMLFormatter.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
#include <xercesc/framework/MemBufInputSource.hpp>
#include <xercesc/framework/LocalFileInputSource.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/dom/DOMNode.hpp>
#include <xercesc/dom/DOMNodeList.hpp>
#include <stdio.h>
#include <iostream>
#include <vector>
#include <string>
using namespace XERCES_CPP_NAMESPACE;
using namespace std;
int main()
{
/* initialise xerces */
try
{
XMLPlatformUtils::Initialize ();
}
catch (const XMLException & toCatch)
{
char *pMsg = XMLString::transcode (toCatch.getMessage ());
printf ("Error during Xerces-c Initialization.\n"
" Exception message: %s", pMsg);
delete[] pMsg;
return -1;
}
/* parse a XML file */
XercesDOMParser *m_DOMParser = new XercesDOMParser();
m_DOMParser->setValidationScheme(XercesDOMParser::Val_Always);
// ErrorHandler *m_ERRHandler = (ErrorHandler*)new HandlerBase();
// m_DOMParser->setErrorHandler(m_ERRHandler);
try
{
m_DOMParser->parse("myfile.xml");
}
catch(const XMLException& toCatch)
{
return -1;
}
XMLCh temp[257];
DOMNode *root = m_DOMParser->getDocument(); // 取得了整个树的根节点
DOMNodeList* childList = root->getChildNodes(); // 获取所有子节点
for (int j = 0; j < childList->getLength(); ++j)
{
XMLString::transcode("level1", temp, 256); // 内部使用UTF-16编码，所以需要转换
if (childList->item(j)->getNodeType() == DOMNode::ELEMENT_NODE
&& XMLString::compareString(childList->item(j)->getNodeName(), temp) == 0)
{
char *tn = XMLString::transcode(childList->item(j)->getNodeName());
std::cout << tn << std::endl;
DOMNode *subRoot = childList->item(j);
DOMNodeList *subChildList = subRoot->getChildNodes();
for (int k = 0; k < subChildList->getLength(); ++k)
{
XMLString::transcode("level2", temp, 256); // 内部使用UTF-16编码，所以需要转换
if (subChildList->item(k)->getNodeType() == DOMNode::ELEMENT_NODE
&& XMLString::compareString(subChildList->item(k)->getNodeName(), temp) == 0)
{
char *tn = XMLString::transcode(subChildList->item(k)->getNodeName());
std::cout << "\t" << tn << std::endl;
DOMNode *ssubRoot = subChildList->item(k);
DOMNodeList *ssubChildList = ssubRoot->getChildNodes();
for (int m = 0; m < ssubChildList->getLength(); ++m)
{
XMLString::transcode("name", temp, 256); // 内部使用UTF-16编码，所以需要转换
if (ssubChildList->item(m)->getNodeType() == DOMNode::ELEMENT_NODE
&& XMLString::compareString(ssubChildList->item(m)->getNodeName(), temp) == 0)
{
char *tn = XMLString::transcode(ssubChildList->item(m)->getNodeName());
char *tv = XMLString::transcode(ssubChildList->item(m)->getFirstChild()->getNodeValue());//每个ELEMENT的第一子节点为TEXT_NODE
std::cout << "\t\t" << tn << ":" << tv << std::endl; // tv=="abc",
XMLString::release(&tn);
XMLString::release(&tv);
}
}
}
}
}
}
XMLPlatformUtils::Terminate();
return 0;
}
g++ -g -O2 -msse2 -o DOMPrint src/DOMPrint/DOMPrint.o src/DOMPrint/DOMPrintErrorHandler.o src/DOMPrint/DOMPrintFilter.o src/DOMPrint/DOMTreeErrorReporter.o ../src/.libs/libxerces-c.so -lnsl -lpthread
参考：
1，http://panpan.blog.51cto.com/489034/187272
2，http://blog.csdn.net/wangpeng110m/archive/2009/05/14/4181668.aspx
遇到的错误：
1，xml文件本身有问题，结束标签忘记写“/“。