crashes.cpp

#include "ofMain.h"

#define STRINGIFY(x) #x

class ofApp : public ofBaseApp
{
public:
    
    ofParameter<bool> createBoolean(ofXml& xmlParser)
    {
        string childName = xmlParser.getName();
        ofParameter<bool> item;
        item.set(childName, xmlParser.getBoolValue());
        return item;
    }
    
    ofParameterGroup createParameterGroup(ofXml& xmlParser)
    {
        ofParameterGroup parameterGroup;
        string elementName = xmlParser.getName();
        parameterGroup.setName(elementName);
        int numElementChildren = xmlParser.getNumChildren();
        for(int j=0; j<numElementChildren; j++)
        {
            xmlParser.setToChild(j);
                ofParameter<bool> item = createBoolean(xmlParser);
                parameterGroup.add(item);
            xmlParser.setToParent();
        }
        return parameterGroup;
    }
    void setup()
    {
        ofSetLogLevel(OF_LOG_VERBOSE);
        
        
        inputXML = STRINGIFY(
                            <root>
                                <single>0</single>
                                <double>0</double>
                                <triple>0</triple>
                                <quad>0</quad>
                                <clauses>
                                    <who>0</who>
                                    <what>0</what>
                                    <where>0</where>
                                    <how>0</how>
                                </clauses>
                                <locations>
                                    <here>0</here>
                                    <there>0</there>
                                </locations>
                            </root>
                             );
        
        ofLogVerbose() << "inputXML: " << inputXML;
        xmlParser.loadFromBuffer(inputXML);
        
        xmlParser.setTo("root");
        mainGroup.setName("main");
        
        int numRootChildren =  xmlParser.getNumChildren();
        ofLogVerbose() << "numRootChildren: " << numRootChildren;
        for(int i=0; i<numRootChildren; i++)
        {
            xmlParser.setToChild(i);
            int numElementChildren = xmlParser.getNumChildren();
            ofLogVerbose() << "xmlParser.getName(): " << xmlParser.getName();
            if (numElementChildren>0)
            {
                ofParameterGroup parameterGroup = createParameterGroup(xmlParser);
                mainGroup.add(parameterGroup);
                ofLogVerbose() << mainGroup.getName() << "\n" << mainGroup.toString();
            }else
            {
                ofParameter<bool> singleItem = createBoolean(xmlParser);
                mainGroup.add(singleItem);
                ofLogVerbose() << mainGroup.getName() << ":" << mainGroup.toString();
            }
            xmlParser.setToParent();
        }
        
        //next line will crash
        ofLogVerbose() << mainGroup.getName() << ":" << mainGroup.toString();
        //;
    }
    string inputXML;
    ofXml xmlParser;
    ofParameterGroup mainGroup;
    
};
//========================================================================
int main( ){

	ofSetupOpenGL(1024,768, OF_WINDOW);			// <-------- setup the GL context

	// this kicks off the running of my app
	// can be OF_WINDOW or OF_FULLSCREEN
	// pass in width and height too:
	ofRunApp( new ofApp());

}

works.cpp

#include "ofMain.h"

#define STRINGIFY(x) #x

class ofApp : public ofBaseApp
{
public:
    
    ofParameter<bool> createBoolean(ofXml& xmlParser)
    {
        string childName = xmlParser.getName();
        ofParameter<bool> item;
        item.set(childName, xmlParser.getBoolValue());
        return item;
    }
    
    ofParameterGroup* createParameterGroup(ofXml& xmlParser)
    {
        ofParameterGroup* parameterGroup = new ofParameterGroup();
        string elementName = xmlParser.getName();
        parameterGroup->setName(elementName);
        int numElementChildren = xmlParser.getNumChildren();
        for(int j=0; j<numElementChildren; j++)
        {
            xmlParser.setToChild(j);
                ofParameter<bool> item = createBoolean(xmlParser);
                parameterGroup->add(item);
            xmlParser.setToParent();
        }
        return parameterGroup;
    }
    void setup()
    {
        ofSetLogLevel(OF_LOG_VERBOSE);
        
        
        inputXML = STRINGIFY(
                            <root>
                                <single>0</single>
                                <double>0</double>
                                <triple>0</triple>
                                <quad>0</quad>
                                <clauses>
                                    <who>0</who>
                                    <what>0</what>
                                    <where>0</where>
                                    <how>0</how>
                                </clauses>
                                <locations>
                                    <here>0</here>
                                    <there>0</there>
                                </locations>
                            </root>
                             );
        
        ofLogVerbose() << "inputXML: " << inputXML;
        xmlParser.loadFromBuffer(inputXML);
        
        xmlParser.setTo("root");
        mainGroup.setName("main");
        
        int numRootChildren =  xmlParser.getNumChildren();
        ofLogVerbose() << "numRootChildren: " << numRootChildren;
        for(int i=0; i<numRootChildren; i++)
        {
            xmlParser.setToChild(i);
            int numElementChildren = xmlParser.getNumChildren();
            ofLogVerbose() << "xmlParser.getName(): " << xmlParser.getName();
            if (numElementChildren>0)
            {
                ofParameterGroup* parameterGroup = createParameterGroup(xmlParser);
                mainGroup.add(*parameterGroup);
                ofLogVerbose() << mainGroup.getName() << "\n" << mainGroup.toString();
            }else
            {
                ofParameter<bool> singleItem = createBoolean(xmlParser);
                mainGroup.add(singleItem);
                ofLogVerbose() << mainGroup.getName() << ":" << mainGroup.toString();
            }
            xmlParser.setToParent();
        }

        ofLogVerbose() << mainGroup.getName() << ":" << mainGroup.toString();
        //
    }
    string inputXML;
    ofXml xmlParser;
    ofParameterGroup mainGroup;
    
};
//========================================================================
int main( ){

	ofSetupOpenGL(1024,768, OF_WINDOW);			// <-------- setup the GL context

	// this kicks off the running of my app
	// can be OF_WINDOW or OF_FULLSCREEN
	// pass in width and height too:
	ofRunApp( new ofApp());

}