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/*!
\file MonitorXMLParser.h
\brief monitor db xml elements parsing tool
\author B. Gobbo
*/
#ifndef MonitorXMLParser_h
#define MonitorXMLParser_h
#include <iostream>
#include <map>
#include <sstream>
#include <string>
#include <vector>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/dom/DOMElement.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
// - - - - - - - - - - - - - - - - - - - -
enum { ERROR_ARGS = 1, ERROR_XERCES_INIT, ERROR_PARSE, ERROR_EMPTY_DOCUMENT };
// - - - - - - - - - - - - - - - - - - - -
struct DbQuery {
std::string query;
std::string arg;
std::string alias;
};
struct DB_ME {
std::string type;
std::string title;
int xbins;
double xfrom;
double xto;
int ybins;
double yfrom;
double yto;
int zbins;
double zfrom;
double zto;
unsigned int ncycle;
unsigned int loop;
std::vector<DbQuery> queries;
};
// - - - - - - - - - - - - - - - - - - - -
class TagNames {
public:
XMLCh *TAG_DBE;
XMLCh *TAG_ME;
XMLCh *TAG_1D;
XMLCh *TAG_2D;
XMLCh *TAG_TPROFILE;
XMLCh *TAG_TPROFILE2D;
XMLCh *TAG_QUERY;
XMLCh *ATTR_TITLE;
XMLCh *ATTR_XBINS;
XMLCh *ATTR_XFROM;
XMLCh *ATTR_XTO;
XMLCh *ATTR_YBINS;
XMLCh *ATTR_YFROM;
XMLCh *ATTR_YTO;
XMLCh *ATTR_ZBINS;
XMLCh *ATTR_ZFROM;
XMLCh *ATTR_ZTO;
XMLCh *ATTR_NCYCLE;
XMLCh *ATTR_LOOP;
XMLCh *ATTR_NAME;
XMLCh *ATTR_ARG;
XMLCh *ATTR_ALIAS;
TagNames()
: TAG_DBE(xercesc::XMLString::transcode("dbelements")),
TAG_ME(xercesc::XMLString::transcode("me")),
TAG_1D(xercesc::XMLString::transcode("th1d")),
TAG_2D(xercesc::XMLString::transcode("th2d")),
TAG_TPROFILE(xercesc::XMLString::transcode("tprofile")),
TAG_TPROFILE2D(xercesc::XMLString::transcode("tprofile2d")),
TAG_QUERY(xercesc::XMLString::transcode("query")),
ATTR_TITLE(xercesc::XMLString::transcode("title")),
ATTR_XBINS(xercesc::XMLString::transcode("xbins")),
ATTR_XFROM(xercesc::XMLString::transcode("xfrom")),
ATTR_XTO(xercesc::XMLString::transcode("xto")),
ATTR_YBINS(xercesc::XMLString::transcode("ybins")),
ATTR_YFROM(xercesc::XMLString::transcode("yfrom")),
ATTR_YTO(xercesc::XMLString::transcode("yto")),
ATTR_ZBINS(xercesc::XMLString::transcode("ybins")),
ATTR_ZFROM(xercesc::XMLString::transcode("yfrom")),
ATTR_ZTO(xercesc::XMLString::transcode("yto")),
ATTR_NCYCLE(xercesc::XMLString::transcode("ncycle")),
ATTR_LOOP(xercesc::XMLString::transcode("loop")),
ATTR_NAME(xercesc::XMLString::transcode("name")),
ATTR_ARG(xercesc::XMLString::transcode("arg")),
ATTR_ALIAS(xercesc::XMLString::transcode("alias")) {
return;
}
~TagNames() noexcept(false) {
try {
xercesc::XMLString::release(&TAG_DBE);
xercesc::XMLString::release(&TAG_ME);
xercesc::XMLString::release(&TAG_1D);
xercesc::XMLString::release(&TAG_2D);
xercesc::XMLString::release(&TAG_TPROFILE);
xercesc::XMLString::release(&TAG_TPROFILE2D);
xercesc::XMLString::release(&TAG_QUERY);
xercesc::XMLString::release(&ATTR_TITLE);
xercesc::XMLString::release(&ATTR_XFROM);
xercesc::XMLString::release(&ATTR_XTO);
xercesc::XMLString::release(&ATTR_XBINS);
xercesc::XMLString::release(&ATTR_YFROM);
xercesc::XMLString::release(&ATTR_YTO);
xercesc::XMLString::release(&ATTR_YBINS);
xercesc::XMLString::release(&ATTR_NCYCLE);
xercesc::XMLString::release(&ATTR_LOOP);
xercesc::XMLString::release(&ATTR_NAME);
xercesc::XMLString::release(&ATTR_ARG);
xercesc::XMLString::release(&ATTR_ALIAS);
} catch (xercesc::XMLException &e) {
char *message = xercesc::XMLString::transcode(e.getMessage());
std::ostringstream buf;
buf << "Error parsing file: " << message << std::flush;
xercesc::XMLString::release(&message);
throw(std::runtime_error(buf.str()));
} catch (const xercesc::DOMException &e) {
char *message = xercesc::XMLString::transcode(e.getMessage());
std::ostringstream buf;
buf << "Encountered DOM Exception: " << message << std::flush;
xercesc::XMLString::release(&message);
throw(std::runtime_error(buf.str()));
}
}
}; // class TagNames
// - - - - - - - - - - - - - - - - - - - -
class MonitorXMLParser {
private:
std::vector<DB_ME> DBMonitoringElements_;
std::string xmlFile_;
xercesc::XercesDOMParser *parser_;
TagNames *tags_;
void handleElement(xercesc::DOMElement *element);
public:
MonitorXMLParser(const std::string &fromFile);
~MonitorXMLParser() throw();
const std::vector<DB_ME> &getDB_ME(void) const { return (DBMonitoringElements_); }
void load() noexcept(false);
}; // class MonitorXMLParser
#endif // MonitorXMLParser_h
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