fixing error in ofXml.cpp

gistfile1.txt

string ofXml::getAttribute(const string& path) const {

    Poco::XML::Node *e;
    if(element) {

        if(path.find("[@") == string::npos) {
            // we need to create a proper path
            string attributePath = "[@" + path + "]";
            e = element->getNodeByPath(attributePath);
        } else {
            e = element->getNodeByPath(path);
        }
    } else {
        ofLogWarning("ofXml") << "getAttribute(): no element set yet";
        return "";
    }
    
    if(e) {
        return e->getNodeValue(); // this will be the value of the attribute
    }
    return "";
}

bool ofXml::removeAttribute(const string& path) 
{
    Poco::XML::Element *e;
    if(element) {
        // you're *not* using a path
        if(path.find("[@") == string::npos) {
            e = element;
        } else {
            e = (Poco::XML::Element*) element->getNodeByPath(path);
        }
        
    } else {
        ofLogWarning("ofXml") << "clearAttributes(): no element set yet";
        return false;
    }
    
    if(e) {
        Poco::XML::NamedNodeMap *map = e->attributes();
        
        for(int i = 0; i < (int)map->length(); i++) {
            e->removeAttribute(map->item(i)->nodeName());
        }
        
        map->release();
        return true;
    }
    return false;
}

bool ofXml::removeAttributes(const string& path) 
{
    Poco::XML::Element *e;
    if(element) {
        if(path.find("[@") == string::npos) {
            // we need to create a proper path
            string attributePath = "[@" + path + "]";
            e = (Poco::XML::Element*) element->getNodeByPath(attributePath);
        } else {
            e = (Poco::XML::Element*) element->getNodeByPath(path);
        }

    } else {
        ofLogWarning("ofXml") << "clearAttributes(): no element set yet";
        return false;
    }
    
    if(e) {
        Poco::XML::NamedNodeMap *map = e->attributes();
        
        for(int i = 0; i < (int)map->length(); i++) {
            e->removeAttribute(map->item(i)->nodeName());
        }
        
        map->release();
        return true;
    }
    return false;
}