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io.cpp
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io.cpp
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#include <QFile>
#include <QXmlStreamWriter>
#include<QXmlStreamReader>
#include<DB.h>
#include<Info.h>
#include<Rete.h>
#include<QTextStream>
QXmlStreamReader Rxml;
void savexml (std::map<QString,Utente*>& db)//non uso accenti per evitare problemi di compatibilità per editor che non usano l'UTF8
{
QFile file("database.xml");
file.open(QIODevice::WriteOnly);
QXmlStreamWriter xmlWriter(&file);
xmlWriter.setAutoFormatting(true);
xmlWriter.writeStartDocument();
xmlWriter.writeStartElement("Database");
for (std::map<QString,Utente*>::iterator it=db.begin(); it!=db.end(); ++it)
{
xmlWriter.writeStartElement((it->first));
xmlWriter.writeTextElement("nome", (it->second->info->Nome));
xmlWriter.writeTextElement("cognome",(it->second->info->Cognome));
xmlWriter.writeTextElement("data_nascita", (it->second->info->data_nascita));
xmlWriter.writeTextElement("citta", (it->second->info->Citta));
xmlWriter.writeTextElement("lavori", it->second->info->lavori);
xmlWriter.writeTextElement("lingue", it->second->info->lingue);
xmlWriter.writeTextElement("telefono", it->second->info->telefono);
xmlWriter.writeTextElement("email", it->second->info->email);
xmlWriter.writeTextElement("tipologia_utente",(it->second->get_tipologia_utente()));
if(!(it->second->rete->net.empty())) for(unsigned int i=0;i<(it->second->rete->net.size());i++)
{
xmlWriter.writeTextElement("amico",(it->second->rete->net[i]));
}
xmlWriter.writeEndElement();
}
xmlWriter.writeEndElement();
xmlWriter.writeEndDocument();
file.close();
}
void READNEXT()//per facilitare la comprensione
{
Rxml.readNext();
}
QString get_Element()
{
while(!Rxml.atEnd())
{
if(Rxml.isEndElement())
{
READNEXT();
break;
}
else if(Rxml.isStartElement())
{
return (Rxml.readElementText());
READNEXT();
break;
}
else if(Rxml.isCharacters())
{
READNEXT();
}
else
{
READNEXT();
}
}
return "";
}
void ReadUtente(Utente* utente)
{
while(!Rxml.atEnd())
{
if(Rxml.isEndElement())
{
READNEXT();
break;
}
else if(Rxml.isCharacters())
{
READNEXT();
}
else if(Rxml.isStartElement())
{
if(Rxml.name() == "amico")//alla fine gli amici dovrebbero essere più degli altri., quindi vanno prima, per guadagnare in efficenza
{
utente->rete->insert(get_Element());
}
else if(Rxml.name() == "nome")
{
utente->info->Nome=get_Element();
}
else if(Rxml.name() == "cognome")
{
utente->info->Cognome=get_Element();
}
else if(Rxml.name() == "data_nascita")
{
utente->info->data_nascita=get_Element();
}
else if(Rxml.name() == "citta")
{
utente->info->Citta=get_Element();
}
else if(Rxml.name() == "lavori")
{
utente->info->lavori= get_Element();
}
else if(Rxml.name() == "lingue")
{
utente->info->lingue=get_Element();
}
else if (Rxml.name() == "telefono")
{
utente->info->telefono=get_Element();
}
else if (Rxml.name() == "email")
{
utente->info->email=get_Element();
}
else if(Rxml.name() == "tipologia_utente")
{
utente->tipologia_utente=get_Element();
}
READNEXT();
}
else
{
READNEXT();
}
}
}
void loadxml(std::map<QString,Utente*>& d)
{
QFile file("database.xml");
if (!file.exists())
{
file.open(QIODevice::WriteOnly);
QXmlStreamWriter xmlWriter(&file);
xmlWriter.setAutoFormatting(true);
xmlWriter.writeStartDocument();
xmlWriter.writeStartElement("Database");
xmlWriter.writeEndElement();
xmlWriter.writeEndDocument();
file.close();
}
if (!file.open(QFile::ReadOnly | QFile::Text))
{
std::cout << "Error: Cannot read file " << qPrintable("database.xml")
<< ": " << qPrintable(file.errorString())
<< std::endl;
}
Rxml.setDevice(&file);
Rxml.readNext();
while(!Rxml.atEnd())
{
if(Rxml.isStartElement())//
{
if(Rxml.name() == "Database")
{
READNEXT();
}
else if(Rxml.isStartElement())
{
QString chiave=(Rxml.name().toString());
Utente* valore=new Utente(Username((chiave)));
valore->info= new Info;
valore->rete= new Rete;
ReadUtente(valore);//entra
d.insert(std::pair<QString,Utente*>(chiave,valore));
}
else
{
std::cout<<"no bookindex file";
}
}
else
{
READNEXT();
}
}
file.close();
if (Rxml.hasError())
{
std::cout << "Error: Failed to parse file "
<< qPrintable("database.xml") << ": "
<< qPrintable(Rxml.errorString()) << std::endl;
}
else if (file.error() != QFile::NoError)
{
std::cout << "Error: Cannot read file " << qPrintable("prova.xml")
<< ": " << qPrintable(file.errorString())
<< std::endl;
}
}
QString ShowXmlOnScreen()
{
QFile file("database.xml");
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
return"Errore, impossibile aprire il file!";
QString risposta="";
while (!file.atEnd())
{
risposta+= file.readLine();
}
return risposta;
}
void save_admin_password(QString& password)
{
QFile file("password.txt");
file.open(QIODevice::WriteOnly);
file.write(password.toUtf8());
file.close();
}
bool Adminlogged(QString password)
{
QFile file("password.txt");
if (!file.exists())
{
file.open(QIODevice::WriteOnly);
file.write("Admin");
file.close();
}
if(file.open(QFile::ReadOnly | QFile::Text))
{
QString password_corretta;
QTextStream in(&file);
while (!in.atEnd())
{
password_corretta=in.readLine()+password_corretta;//per evitare inconvenienti faccio così
}
if (password==password_corretta)
return true;
else
return false;
}
else
return false;
}