C++ Node::innerText方法代码示例

std::string XmlHandler::get_text_from_tag(const std::string &xpath) {
  Poco::XML::NodeIterator it(pDoc, Poco::XML::NodeFilter::SHOW_ELEMENT);
  Poco::XML::Node *pNode = it.nextNode();
  Poco::XML::Node *detectorNode = pNode->getNodeByPath(xpath);
  std::string value;
  if (detectorNode)
    value = detectorNode->innerText();
  return value;
}

			std::string XMLParserPoco::getFirstElementAtPathInnerText(std::string path)
			{
				if(_documentLoaded)
				{
					Poco::XML::Node* node = _document->getNodeByPath(path);
					if(node != nullptr)
					{
						return node->innerText();
					}
				}
				return "";
			}

/**
 * Build dictionary {string : string } of all tags in the dictionary
 * Composed tags: / replaced by _
 *
 */
std::map<std::string, std::string>
XmlHandler::get_metadata(const std::string &tag_to_ignore) {
  std::map<std::string, std::string> metadata;

  Poco::XML::NodeIterator it(pDoc, Poco::XML::NodeFilter::SHOW_ELEMENT);
  Poco::XML::Node *pNode = it.nextNode();

  while (pNode) {
    if (pNode->childNodes()->length() == 1 &&
        pNode->nodeName() != tag_to_ignore) {
      std::string key =
          pNode->parentNode()->nodeName() + "/" + pNode->nodeName();
      std::string value = pNode->innerText();
      metadata.emplace(key, value);
    }
    pNode = it.nextNode();
  }
  return metadata;
}

/** Parse XML file and define the following internal variables:
    std::vector<detid_t> m_maskDetID;
    //spectrum id-s to unmask
    std::vector<detid_t> m_unMaskDetID;

    spectra mask provided
    std::vector<specnum_t> m_maskSpecID;
    spectra unmask provided NOT IMPLEMENTED
    std::vector<specnum_t> m_unMaskSpecID;

    std::vector<std::string> m_maskCompIDSingle;
    std::vector<std::string> m_uMaskCompIDSingle;
//
Supported xml Node names are:
component:  the name of an instrument component, containing detectors.
ids      : spectra numbers
detids   : detector numbers
Full implementation needs unit tests verifying all these. Only detector id-s are
currently implemented
// There are also no current support for keyword, switching on un-masking
 */
void LoadMask::parseXML() {
  // 0. Check
  if (!m_pDoc)
    throw std::runtime_error("Call LoadMask::initialize() before parseXML.");

  // 1. Parse and create a structure
  Poco::AutoPtr<NodeList> pNL_type = m_pRootElem->getElementsByTagName("type");
  g_log.information() << "Node Size = " << pNL_type->length() << '\n';

  Poco::XML::NodeIterator it(m_pDoc, Poco::XML::NodeFilter::SHOW_ELEMENT);
  Poco::XML::Node *pNode = it.nextNode();

  std::vector<specnum_t> singleSp, pairSp;
  std::vector<detid_t> maskSingleDet, maskPairDet;
  std::vector<detid_t> umaskSingleDet, umaskPairDet;

  bool tomask = true;
  bool ingroup = false;
  while (pNode) {
    const Poco::XML::XMLString value = pNode->innerText();

    if (pNode->nodeName() == "group") {
      // Node "group"
      ingroup = true;
      tomask = true;

    } else if (pNode->nodeName() == "component") {
      // Node "component"
      if (ingroup) {
        parseComponent(value, tomask, m_maskCompIdSingle, m_uMaskCompIdSingle);
      } else {
        g_log.error() << "XML File hierarchical (component) error!\n";
      }

    } else if (pNode->nodeName() == "ids") {
      // Node "ids"
      if (ingroup) {
        parseRangeText(value, singleSp, pairSp);
      } else {
        g_log.error() << "XML File (ids) hierarchical error!"
                      << "  Inner Text = " << pNode->innerText() << '\n';
      }

    } else if (pNode->nodeName() == "detids") {
      // Node "detids"
      if (ingroup) {
        if (tomask) {
          parseRangeText(value, maskSingleDet, maskPairDet);
        } else { // NOTE -- currently never happens.TODO: NOT IMPLEMENTED
          parseRangeText(value, umaskSingleDet, umaskPairDet);
        }
      } else {
        g_log.error() << "XML File (detids) hierarchical error!\n";
      }

    } else if (pNode->nodeName() == "detector-masking") {
      // Node "detector-masking".  Check default value
      m_defaultToUse = true;
    } // END-IF-ELSE: pNode->nodeName()

    pNode = it.nextNode();
  } // ENDWHILE

  convertToVector(singleSp, pairSp, m_maskSpecID);
  convertToVector(maskSingleDet, maskPairDet, m_maskDetID);
  // NOTE: -- TODO: NOT IMPLEMENTD -- if unmasking is implemented, should be
  // enabled
  // convertToVector(umaskSingleDet, umaskPairDet, m_unMaskDetID);
}

/*
 * Parse XML file
 */
void LoadGroupXMLFile::parseXML() {
  // 0. Check
  if (!m_pDoc)
    throw std::runtime_error(
        "Call LoadDetectorsGroupingFile::initialize() before parseXML.");

  // 1. Parse and create a structure
  Poco::XML::NodeIterator it(m_pDoc, Poco::XML::NodeFilter::SHOW_ELEMENT);
  Poco::XML::Node *pNode = it.nextNode();

  int curgroupid = m_startGroupID - 1;
  bool isfirstgroup = true;

  // Add flag to figure out it is automatic group ID or user-defined group ID
  bool autogroupid = true;

  // While loop to go over all nodes!
  while (pNode) {

    const Poco::XML::XMLString value = pNode->innerText();

    if (pNode->nodeName().compare("detector-grouping") == 0) {
      // Node "detector-grouping" (first level)

      // Optional instrument name
      m_instrumentName =
          getAttributeValueByName(pNode, "instrument", m_userGiveInstrument);

      // Optional date for which is relevant
      m_date = getAttributeValueByName(pNode, "idf-date", m_userGiveDate);

      // Optional grouping description
      m_description =
          getAttributeValueByName(pNode, "description", m_userGiveDescription);

    } // "detector-grouping"
    else if (pNode->nodeName().compare("group") == 0) {
      // Group Node:  get ID, set map
      // a) Find group ID
      bool foundid;
      std::string idstr = getAttributeValueByName(pNode, "ID", foundid);

      if (isfirstgroup && foundid)
        autogroupid = false;
      else if (!isfirstgroup && !autogroupid && foundid)
        autogroupid = false;
      else
        autogroupid = true;

      isfirstgroup = false;

      if (autogroupid) {
        curgroupid++;
      } else {
        curgroupid = atoi(idstr.c_str());
      }

      // b) Set in map
      auto itc = m_groupComponentsMap.find(curgroupid);
      if (itc != m_groupComponentsMap.end()) {
        // Error! Duplicate Group ID defined in XML
        std::stringstream ss;
        ss << "Map (group ID, components) has group ID " << curgroupid
           << " already.  Duplicate Group ID error!" << std::endl;
        throw std::invalid_argument(ss.str());
      } else {
        // When group ID is sorted, check if user has specified a group name
        bool foundName;
        std::string name = getAttributeValueByName(pNode, "name", foundName);
        if (foundName)
          m_groupNamesMap[curgroupid] = name;

        // Set map
        std::vector<std::string> tempcomponents;
        std::vector<detid_t> tempdetids;
        std::vector<int> tempspectrumids;
        m_groupComponentsMap[curgroupid] = tempcomponents;
        m_groupDetectorsMap[curgroupid] = tempdetids;
        m_groupSpectraMap[curgroupid] = tempspectrumids;
      }
    } // "group"
    else if (pNode->nodeName().compare("component") == 0) {
      // Node "component" = value
      auto it = m_groupComponentsMap.find(curgroupid);
      if (it == m_groupComponentsMap.end()) {
        std::stringstream ss;
        ss << "XML File (component) heirachial error!"
           << "  Inner Text = " << pNode->innerText() << std::endl;
        throw std::invalid_argument(ss.str());
      } else {
        bool valfound;
        std::string val_value =
            this->getAttributeValueByName(pNode, "val", valfound);
        std::string finalvalue;
        if (valfound && value.size() > 0)
          finalvalue = value + ", " + val_value;
        else if (value.size() == 0)
//.........这里部分代码省略.........

/** Parse XML file
 */
void LoadMask::parseXML() {
  // 0. Check
  if (!m_pDoc)
    throw std::runtime_error("Call LoadMask::initialize() before parseXML.");

  // 1. Parse and create a structure
  Poco::AutoPtr<NodeList> pNL_type = m_pRootElem->getElementsByTagName("type");
  g_log.information() << "Node Size = " << pNL_type->length() << std::endl;

  Poco::XML::NodeIterator it(m_pDoc, Poco::XML::NodeFilter::SHOW_ELEMENT);
  Poco::XML::Node *pNode = it.nextNode();

  bool tomask = true;
  bool ingroup = false;
  while (pNode) {
    const Poco::XML::XMLString value = pNode->innerText();

    if (pNode->nodeName().compare("group") == 0) {
      // Node "group"
      ingroup = true;
      tomask = true;
      /*
      // get type
      Poco::AutoPtr<Poco::XML::NamedNodeMap> att = pNode->attributes();
      Poco::XML::Node* cNode = att->item(0);
      if (cNode->getNodeValue().compare("mask") == 0 ||
      cNode->getNodeValue().compare("notuse") == 0){
        tomask = true;
      } else if (cNode->getNodeValue().compare("unmask") == 0 ||
      cNode->getNodeValue().compare("use") == 0){
        tomask = false;
      } else {
        g_log.error() << "Type (" << cNode->localName() << ") = " <<
      cNode->getNodeValue() << " is not supported!" << std::endl;
      }
      g_log.information() << "Node Group:  child Node Name = " <<
      cNode->localName() << ": " << cNode->getNodeValue()
              << "(always)"<< std::endl;
      */

    } else if (pNode->nodeName().compare("component") == 0) {
      // Node "component"
      if (ingroup) {
        this->parseComponent(value, tomask);
      } else {
        g_log.error() << "XML File heirachial (component) error!" << std::endl;
      }
      // g_log.information() << "Component: " << value << std::endl;

    } else if (pNode->nodeName().compare("ids") == 0) {
      // Node "ids"
      if (ingroup) {
        this->parseSpectrumNos(value, tomask);
      } else {
        g_log.error() << "XML File (ids) heirachial error!"
                      << "  Inner Text = " << pNode->innerText() << std::endl;
      }
      // g_log.information() << "detids: " << value << std::endl;

    } else if (pNode->nodeName().compare("detids") == 0) {
      // Node "detids"
      if (ingroup) {
        this->parseDetectorIDs(value, tomask);
      } else {
        g_log.error() << "XML File (detids) heirachial error!" << std::endl;
      }

    } else if (pNode->nodeName().compare("detector-masking") == 0) {
      // Node "detector-masking".  Check default value
      m_defaultToUse = true;
      /*
      Poco::AutoPtr<Poco::XML::NamedNodeMap> att = pNode->attributes();
      if (att->length() > 0){
        Poco::XML::Node* cNode = att->item(0);
        m_defaultToUse = true;
        if (cNode->localName().compare("default") == 0){
          if (cNode->getNodeValue().compare("use") == 0){
            m_defaultToUse = true;
          } else {
            m_defaultToUse = false;
          }
      } // if - att-length
      */
    } // END-IF-ELSE: pNode->nodeName()

    pNode = it.nextNode();
  } // ENDWHILE

  return;
}