XMLReader.hh
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/*
* XMLReader.hh
*
* Created on: 7 août 2013
* Author: CS
*/
#ifndef XMLREADER_HH_
#define XMLREADER_HH_
#include "AbstractReader.hh"
#include <libxml/xmlreader.h>
namespace TimeTableCatalog {
class XMLReader: public TimeTableCatalog::AbstractReader {
public:
XMLReader(const std::string& pPath);
virtual ~XMLReader();
/**
* Reads an XML file
*/
void read(TimeTable& pTT);
/**
* Checks the XML tt reader is the right one. Returns false if
* the tt XML format is not the expected format.
*/
bool canRead(const std::string& pPath);
protected:
/**
* Parses an XML file
*/
void parse(TimeTable& pTT);
/**
* Processes each interested node of an XMl file.
*/
virtual void processNode(TimeTable& pTT, xmlTextReaderPtr reader, int &crtIndex) = 0;
/**
* Checks one of the pMaxTagToRead first nodes is named pNode.
* Calls containsNode(xmlTextReaderPtr reader, std::string& pNode).
*/
bool containsNode(const std::string& pPath, std::string pNode,
int pMaxTagToRead = 5);
/**
* Processes a node and returns true if the currently processed
* node is nammed pNode.
*/
bool containsNode(xmlTextReaderPtr reader, std::string& pNode);
/**
* Gets the xml expected first node name (except xml tag).
*/
virtual std::string getFirstNode() = 0;
/**
* Steps during read : the reader first reads a start tag,
* then reads the tag value and then reads the end tag.
*/
enum READ_STEP {
NO_TAG = 0, START_TAG = 1, TEXT = 2, END_TAG = 3
};
/**
* The previous start date of an interval, to create an interval
* when the stop date is read.
*/
double _tmpIntervalstartdate;
/**
* The current tag (set when step is START_TAG).
*/
std::string _tmpCurrentTag;
/**
* The current step.
*/
READ_STEP _step;
};
} /* namespace TimeTableCatalog */
#endif /* XMLREADER_HH_ */