XercesParser Class Reference

#include <XercesParser.h>

Inheritance diagram for XercesParser:

Collaboration diagram for XercesParser:

Public Member Functions
	XercesParser (XMLHandlerStore &xs)
	XercesParser (XMLHandlerStore &xs, const std::string &)
virtual	~XercesParser ()
virtual bool	ParseFile (const std::string &) override
virtual bool	ParseFileAndNavigate (AGDDController &c, const std::string &) override
virtual bool	ParseString (const std::string &) override
virtual bool	ParseStringAndNavigate (AGDDController &c, const std::string &) override
virtual bool	WriteToFile (const std::string &) override
virtual void	navigateTree (AGDDController &c) override
virtual void	elementLoop () override
virtual void	elementLoop (AGDDController &c, xercesc::DOMNode *) override
bool	Initialize ()
bool	Finalize ()

Protected Attributes
std::string	m_fileName

Private Attributes
xercesc::DOMDocument *	m_doc
xercesc::XercesDOMParser *	m_parser
bool	m_initialized
XMLHandlerStore &	m_xs

Detailed Description

Definition at line 18 of file XercesParser.h.

Constructor & Destructor Documentation

XercesParser() [1/2]

XercesParser::XercesParser

(

XMLHandlerStore &

xs

)

Definition at line 33 of file XercesParser.cxx.

  : IAGDDParser(),m_doc(0),m_parser(0),m_initialized(false),
    m_xs(xs)
{
}

XercesParser() [2/2]

XercesParser::XercesParser	(	XMLHandlerStore &	xs,
		const std::string &	s
	)

Definition at line 39 of file XercesParser.cxx.

  : IAGDDParser(s),m_doc(0),m_parser(0),m_initialized(false),
    m_xs(xs)
{
}

~XercesParser()

XercesParser::~XercesParser ( )

virtual

Definition at line 26 of file XercesParser.cxx.

{
    delete m_parser;
    m_parser=0;
    Finalize();
}

Member Function Documentation

elementLoop() [1/2]

void XercesParser::elementLoop ( )

overridevirtual

Implements IAGDDParser.

Definition at line 193 of file XercesParser.cxx.

{}

elementLoop() [2/2]

virtual void XercesParser::elementLoop ( AGDDController &  c, xercesc::DOMNode *    )

overridevirtual

Implements IAGDDParser.

Finalize()

bool XercesParser::Finalize

(

)

Definition at line 243 of file XercesParser.cxx.

{
    XMLPlatformUtils::Terminate();
    m_initialized=false;
    return 0;
}

Initialize()

bool XercesParser::Initialize

(

)

Definition at line 227 of file XercesParser.cxx.

{
    try {
        XMLPlatformUtils::Initialize();
    }
 
    catch(const XMLException &toCatch) {
        XERCES_STD_QUALIFIER cerr << "Error during Xerces-c Initialization.\n"
            << "  Exception message:"
            << XERCES_STD_QUALIFIER endl;
        return 1;
    }
    m_initialized=true;
    return 0;
}

navigateTree()

void XercesParser::navigateTree ( AGDDController &  c )

overridevirtual

Implements IAGDDParser.

Definition at line 180 of file XercesParser.cxx.

{
    if (!m_doc) {
        MsgStream log(Athena::getMessageSvc(), "XercesParser");
        log<<MSG::WARNING<<"navigateTree() - something is wrong! no document set! doing nothing!"<<endmsg;
        return;
    }
    DOMNode* node = 0;
    node = dynamic_cast<DOMNode*>(m_doc->getDocumentElement());
    if( !node ) std::abort();
    elementLoop(c, node);
}

ParseFile()

bool XercesParser::ParseFile ( const std::string &  s_in )

overridevirtual

Implements IAGDDParser.

Definition at line 45 of file XercesParser.cxx.

{
    bool errorsOccured = false;
        m_fileName=s_in;
        std::string s=PathResolver::find_file(s_in,"XMLPATH");
    if (s.empty()) {
        MsgStream log(Athena::getMessageSvc(), "XercesParser");
        log<<MSG::WARNING<<"ParseFile() - something wrong, could not find XML file "<<s<<endmsg;
        errorsOccured = true;
    }
    else
    {
        if (!m_initialized) Initialize();
        m_parser = new XercesDOMParser;
        try
        {
            m_parser->parse(s.c_str());
        }
        catch (const OutOfMemoryException&)
        {
            XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
            errorsOccured = true;
        }
        catch (const XMLException& e)
        {
            XERCES_STD_QUALIFIER cerr << "An error occurred during parsing\n   Message: "
                << XMLString::transcode(e.getMessage()) << XERCES_STD_QUALIFIER endl;
            errorsOccured = true;
        }
        catch (const DOMException& e)
        {
            const unsigned int maxChars = 2047;
            XMLCh errText[maxChars + 1];
 
            XERCES_STD_QUALIFIER cerr << "\nDOM Error during parsing: '" << s << "'\n"
                 << "DOMException code is:  " << e.code << XERCES_STD_QUALIFIER endl;
 
            if (DOMImplementation::loadDOMExceptionMsg(e.code, errText, maxChars))
                XERCES_STD_QUALIFIER cerr << "Message is: " << XMLString::transcode(errText) << XERCES_STD_QUALIFIER endl;
 
            errorsOccured = true;
        }
        catch (...)
        {
            XERCES_STD_QUALIFIER cerr << "An error occurred during parsing\n " << XERCES_STD_QUALIFIER endl;
            errorsOccured = true;
        }  
        m_doc=m_parser->getDocument();
        return errorsOccured;
    }
    return errorsOccured;
}

ParseFileAndNavigate()

bool XercesParser::ParseFileAndNavigate ( AGDDController &  c, const std::string &  s  )

overridevirtual

Implements IAGDDParser.

Definition at line 97 of file XercesParser.cxx.

{
    bool errorOccured = ParseFile(s);
    if (errorOccured) return false;
    navigateTree(c);
    return true;
}

ParseString()

bool XercesParser::ParseString ( const std::string &  s )

overridevirtual

Implements IAGDDParser.

Definition at line 105 of file XercesParser.cxx.

{
    const char* str=s.c_str();
    MemBufInputSource memBuf (reinterpret_cast<const XMLByte*>(str),strlen(str),"prodInfo",false);
    m_parser = new XercesDOMParser;
    bool errorsOccured = false;
    if (!m_initialized) Initialize();
    try
    {
        m_parser->parse(memBuf);
    }
    catch (const OutOfMemoryException&)
    {
        XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
        errorsOccured = true;
    }
    catch (const XMLException& e)
    {
        XERCES_STD_QUALIFIER cerr << "An error occurred during parsing\n   Message: "
                << XMLString::transcode(e.getMessage()) << XERCES_STD_QUALIFIER endl;
        errorsOccured = true;
    }
    catch (const DOMException& e)
    {
        const unsigned int maxChars = 2047;
        XMLCh errText[maxChars + 1];
 
        XERCES_STD_QUALIFIER cerr << "\nDOM Error during parsing: '" << s << "'\n"
                 << "DOMException code is:  " << e.code << XERCES_STD_QUALIFIER endl;
 
        if (DOMImplementation::loadDOMExceptionMsg(e.code, errText, maxChars))
                XERCES_STD_QUALIFIER cerr << "Message is: " << XMLString::transcode(errText) << XERCES_STD_QUALIFIER endl;
 
        errorsOccured = true;
    }
    catch (...)
    {
        XERCES_STD_QUALIFIER cerr << "An error occurred during parsing\n " << XERCES_STD_QUALIFIER endl;
        errorsOccured = true;
    }  
    m_doc=m_parser->getDocument();
    return errorsOccured;
}

ParseStringAndNavigate()

bool XercesParser::ParseStringAndNavigate ( AGDDController &  c, const std::string &  s  )

overridevirtual

Implements IAGDDParser.

Definition at line 148 of file XercesParser.cxx.

{
    bool errorOccured = ParseString(s);
    if (!errorOccured) navigateTree(c);
    return true;
}

WriteToFile()

bool XercesParser::WriteToFile ( const std::string &  s )

overridevirtual

Implements IAGDDParser.

Definition at line 156 of file XercesParser.cxx.

{
    XMLCh tempStr[100];
    XMLString::transcode("LS 3.0 Core 2.0", tempStr, 99);
    DOMImplementation* implementation = DOMImplementationRegistry::getDOMImplementation(tempStr);
    DOMLSSerializer*   serializer     = static_cast<DOMImplementationLS*>(implementation)->createLSSerializer();
    // if one wants a nicely indented file -- not in this case as it goes to the DB and be compressed
    // DOMConfiguration*  domconfig     = serializer->getDomConfig();
    // domconfig->setParameter(XMLUni::fgDOMWRTFormatPrettyPrint, true);
    XMLFormatTarget* target    = new LocalFileFormatTarget(s.c_str());
    DOMLSOutput*     domoutput = static_cast<DOMImplementationLS*>(implementation)->createLSOutput();
    // remove all comments
    if( m_doc->getDOMConfig()->canSetParameter(XMLUni::fgDOMComments, true) ) m_doc->getDOMConfig()->setParameter(XMLUni::fgDOMComments, false);
    m_doc->normalizeDocument();
 
    domoutput->setByteStream(target);
    serializer->write(m_doc, domoutput);
    domoutput->release();
    serializer->release();
    delete target;
 
    return true;
}

Member Data Documentation

m_doc

xercesc::DOMDocument* XercesParser::m_doc

private

Definition at line 36 of file XercesParser.h.

m_fileName

std::string IAGDDParser::m_fileName

protectedinherited

Definition at line 31 of file IAGDDParser.h.

m_initialized

bool XercesParser::m_initialized

private

Definition at line 38 of file XercesParser.h.

m_parser

xercesc::XercesDOMParser* XercesParser::m_parser

private

Definition at line 37 of file XercesParser.h.

m_xs

XMLHandlerStore& XercesParser::m_xs

private

Definition at line 39 of file XercesParser.h.

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The documentation for this class was generated from the following files:

• XercesParser.h
• XercesParser.cxx