InputNode.cpp

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/***************************************************************************
 *   Copyright (C) 2015 by Laboratoire d'Economie Forestière               *
 *   http://ffsm-project.org                                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version, given the compliance with the     *
 *   exceptions listed in the file COPYING that is distribued together     *
 *   with this file.                                                       *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
//#include <QtGui>   // Qt4
#include <QtWidgets> // Qt5
#include <QtXml>
 
#include "InputNode.h"
//#include "InputDocument.h"
 
 
InputNode::InputNode(){
}
 
InputNode::~InputNode(){
}
 
bool
InputNode::setWorkingFile(std::string filename_h){
 
  QString errorStr;
  int errorLine;
  int errorColumn;
  
  QFile file(filename_h.c_str());
  QIODevice* device;
  device = &file;
    
  QDomDocument doc;
  if (!doc.setContent(device, true, &errorStr, &errorLine, &errorColumn)) {
    string message = "XML error on file "+ filename_h + " at line ";
    message.append(i2s(errorLine));
    message.append(" column ");
    message = message.c_str() + i2s(errorColumn);
    message = message + ": ";
    message = message + errorStr.toStdString();
    msgOut(MSG_WARNING, message.c_str());
    return false;
    }
  domElement = doc.documentElement();
  return true;
}
 
// *******************************************************************************
int
InputNode::getIntContent(){
  return domElement.text().toInt();
}
 
double
InputNode::getDoubleContent(){
  return domElement.text().toDouble(); // This is a Qt function that works both with dot and comma separators !
}
 
std::string
InputNode::getStringContent(){
  return domElement.text().toStdString();
}
 
bool
InputNode::getBoolContent(){
  string content = domElement.text().toStdString();
  if (content == "false" || content == "falso" || content == "FALSE" || content == "0")
    return false;
  else if (content == "true" || content == "vero" || content == "TRUE" || content == "1")
    return true;
  msgOut(MSG_WARNING, "Sorry, I don't know how to convert "+content+" to a bool value. I return true... hope for the best");
  return true;
}
 
int 
InputNode::getIntAttributeByName(std::string attributeName_h){
  if (domElement.hasAttribute(attributeName_h.c_str())){
    return domElement.attribute(attributeName_h.c_str()).toInt();
  }else{
    msgOut(MSG_ERROR, "Element doens't have attribute " + attributeName_h );
    return 0;
  }
}
 
double 
InputNode::getDoubleAttributeByName(std::string attributeName_h){
  if (domElement.hasAttribute(attributeName_h.c_str())){
    return domElement.attribute(attributeName_h.c_str()).toDouble();
  }else{
    msgOut(MSG_ERROR, "Element doens't have attribute " + attributeName_h );
    return 0;
  }
}
 
string 
InputNode::getStringAttributeByName(std::string attributeName_h){
  if (domElement.hasAttribute(attributeName_h.c_str())){
    return domElement.attribute(attributeName_h.c_str()).toStdString();
  }else{
    msgOut(MSG_ERROR, "Element doens't have attribute " + attributeName_h );
    return "";
  }
}
 
bool 
InputNode::hasAttributeByName(std::string attributeName_h){
  if (domElement.hasAttribute(attributeName_h.c_str())){
    return 1;
  }else{
    return 0;
  }
}
 
InputNode
InputNode::getNodeByName(string nodeName_h, int debugLevel, bool childFlag){
  /*
  QDomNodeList myElementList = domElement.elementsByTagName ( nodeName_h.c_str() );
  if (myElementList.size()>1){
    msgOut(debugLevel, "Too many elements. Expected only one of type "+nodeName_h);
  }
  if (myElementList.isEmpty()){
    msgOut(debugLevel, "No elements in the XML file. Expected 1 of type "+nodeName_h);
  }
  QDomElement myElement = myElementList.item(0).toElement() ;
  InputNode myInputNode(myElement);
  return myInputNode; */
  vector<InputNode> myNodes = getNodesByName(nodeName_h, debugLevel, childFlag);
  if (myNodes.size()>1){
    msgOut(debugLevel, "Too many elements. Expected only one of type "+nodeName_h);
    return myNodes[0];
  }
  if (myNodes.size() == 0){
    msgOut(debugLevel, "No elements in the XML file. Expected 1 of type "+nodeName_h+". Returning emty node!!");
    InputNode toReturn;
    return toReturn;
  }
  return myNodes[0];
}
 
vector <InputNode>
InputNode::getNodesByName(string nodeName_h, int debugLevel, bool childFlag){
  vector <InputNode> myNodeVector;
  if (!childFlag){
    QDomNodeList myElementList = domElement.elementsByTagName ( nodeName_h.c_str() );
    for (int i=0;i<myElementList.size();i++){
      InputNode myInputNode(myElementList.item(i).toElement());
      myNodeVector.push_back(myInputNode);
    }
    
  }
  else {
    QDomNodeList myElementList = domElement.childNodes();
    for (int i=0;i<myElementList.size();i++){
      if (   myElementList.item(i).nodeType() == QDomNode::ElementNode
          && myElementList.item(i).toElement().tagName().toStdString() == nodeName_h){
        InputNode myInputNode(myElementList.item(i).toElement());
        myNodeVector.push_back(myInputNode);
      }
    }
  }
  if (myNodeVector.size()==0){
    msgOut(debugLevel, "No elements in the XML file. Expected at least one of type "+nodeName_h);
  }
  //for (int i=0;i<myElementList.size();i++){
  //  InputNode myInputNode(myElementList.item(i).toElement());
  //  myNodeVector.push_back(myInputNode);
 
    /*InputNode myInputNode(myElementList.item(i).toElement());
    string firstNodeContent= myInputNode.getStringContent();
    // checking that the setting is not an empy line nor a comment (e.g. starting with "#")..
    if(firstNodeContent=="") continue;
    unsigned int z;
    z = firstNodeContent.find("#");
    if( z!=string::npos && z == 0) continue;
    // chacking also the "childs" as in the XMLs deriving from csv I want delete the whole "<record>" tree, including his childs (fields)
    vector <InputNode> childs = myInputNode.getChildNodes();
    if(childs.size()>0){
      string firstChildContent= childs[0].getStringContent();
      // checking that the setting is not an empy line nor a comment (e.g. starting with "#")..
      if(firstChildContent=="") continue;
      unsigned int y;
      y = firstChildContent.find("#");
      if( y!=string::npos && y == 0) continue;
    }
    myNodeVector.push_back(myInputNode);
    */
 
 
  //}
  return myNodeVector;
}
 
 
/*
InputNode
InputNode::getNode(string nodeName_h, string attributeName_h, string attributeValue_h, int debugLevel){
  vector <InputNode> nodes = getNodes(nodeName_h, attributeName_h, attributeValue_h, debugLevel);
  if (nodes.size()>1){
    msgOut(debugLevel,"I got more than one node with specified carhacteristics. Returned the first one or aborting.");
    return nodes[0];
  } else if (nodes.size() == 0) {
    msgOut(debugLevel,"I don't have any node with the requested parameters. Returning an empty node.");
    InputNode toReturn;
    return toReturn;
  } else {
    return nodes[0];
  }
}
 
vector <InputNode>
InputNode::getNodes(string nodeName_h, string attributeName_h, string attributeValue_h, int debugLevel){
  vector <InputNode> nodes;
 
  return nodes;
 
}
*/
 
 
vector <InputNode>
InputNode::getChildNodes(){
  vector <InputNode> myNodeVector;
  QDomNodeList myElementList = domElement.childNodes();
  for (int i=0;i<myElementList.size();i++){
    if (myElementList.item(i).nodeType() == QDomNode::ElementNode ){
      InputNode myInputNode(myElementList.item(i).toElement());
      myNodeVector.push_back(myInputNode);
    }
  }
  return myNodeVector;
}
 
bool
InputNode::hasChildNode(string name_h){
  bool toReturn = false;
  QDomNodeList myElementList = domElement.childNodes();
  for (int i=0;i<myElementList.size();i++){
    if (myElementList.item(i).nodeType() == QDomNode::ElementNode ){
      if(myElementList.item(i).toElement().tagName().toStdString() == name_h) return true;
    }
  }
  return toReturn;
}
 
int
InputNode::getChildNodesCount(){
  int myElementListCountInt = 0;
  QDomNodeList myElementList = domElement.childNodes();
  for (int i=0;i<myElementList.size();i++){
    if (myElementList.item(i).nodeType() == QDomNode::ElementNode ){
      myElementListCountInt++ ;
    }
  }
  return myElementListCountInt;
}
 
string
InputNode::getNodeName(){
  return domElement.tagName().toStdString();
}