104 lines
4.1 KiB
C++
104 lines
4.1 KiB
C++
/***************************************************************************
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PUserFcnBase.cpp
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Author: Andreas Suter
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e-mail: andreas.suter@psi.ch
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$Id$
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***************************************************************************/
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/***************************************************************************
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* Copyright (C) 2007-2012 by Andreas Suter *
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* andreas.suter@psi.ch *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <vector>
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#include <fstream>
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using namespace std;
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#include "PUserFcnBase.h"
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ClassImp(PUserFcnBase)
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//--------------------------------------------------------------------------
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// Constructor
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//--------------------------------------------------------------------------
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/**
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* <p>Constructor
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*/
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PUserFcnBase::PUserFcnBase()
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{
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}
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//--------------------------------------------------------------------------
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// Destructor
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//--------------------------------------------------------------------------
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/**
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* <p>Destructor
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*/
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PUserFcnBase::~PUserFcnBase()
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{
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}
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//--------------------------------------------------------------------------
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// This function is a replacement for the ParseFile method of TSAXParser.
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// It is needed because in certain environments ParseFile does not work but ParseBuffer does.
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//--------------------------------------------------------------------------
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/**
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* <p> Replacement for the ParseFile method of TSAXParser
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* that can be used in user functions.
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*
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* <p><b>return:</b>
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* - 1 if file cannot be read
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* - 0 if the file has been parsed successfully
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* - parse error code otherwise
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*
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* \param saxParser pointer to a TSAXParser object
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* \param startup_path_name full path to the XML file to be read
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*/
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Int_t parseXmlFile(TSAXParser *saxParser, const char *startup_path_name)
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{
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Int_t status;
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fstream xmlFile;
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UInt_t xmlSize = 0;
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Char_t *xmlBuffer = 0;
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xmlFile.open(startup_path_name, ios::in | ios::ate); // open file for reading and go to the end of the file
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if (xmlFile.is_open()) { // check if file has been opened successfully
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xmlSize = xmlFile.tellg(); // get the position within the stream == size of the file (since we are at the end)
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xmlFile.seekg(0, ios::beg); // go back to the beginning of the stream
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xmlBuffer = new Char_t[xmlSize]; // allocate buffer memory for the whole XML file
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xmlFile.read(xmlBuffer, xmlSize); // read in the whole XML file into the buffer
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xmlFile.close(); // close the XML file
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}
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if (!xmlBuffer) { // file has not been read into the buffer
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status = 1;
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} else {
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status = saxParser->ParseBuffer(xmlBuffer, xmlSize); // parse buffer
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delete[] xmlBuffer; // free the buffer memory
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xmlBuffer = 0;
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}
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return status;
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}
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// place a void pointer vector for global user function objects which might be needed
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vector<void *> gGlobalUserFcn;
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