/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2017 Cppcheck team.
 *
 * 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.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include <QObject>
#include <QString>
#include <QFile>
#include <QXmlStreamReader>
#include "report.h"
#include "xmlreport.h"

static const char ResultElementName[] = "results";
static const char VersionAttribute[] = "version";

XmlReport::XmlReport(const QString &filename) :
 Report(filename)
{
}

QString XmlReport::quoteMessage(const QString &message)
{
 QString quotedMessage(message);
 quotedMessage.replace("&", "&amp;");
 quotedMessage.replace("\"", "&quot;");
 quotedMessage.replace("'", "&#039;");
 quotedMessage.replace("<", "&lt;");
 quotedMessage.replace(">", "&gt;");
 return quotedMessage;
}

QString XmlReport::unquoteMessage(const QString &message)
{
 QString quotedMessage(message);
 quotedMessage.replace("&amp;", "&");
 quotedMessage.replace("&quot;", "\"");
 quotedMessage.replace("&#039;", "'");
 quotedMessage.replace("&lt;", "<");
 quotedMessage.replace("&gt;", ">");
 return quotedMessage;
}

int XmlReport::determineVersion(const QString &filename)
{
 QFile file;
 file.setFileName(filename);
 bool succeed = file.open(QIODevice::ReadOnly | QIODevice::Text);
 if (!succeed)
 return 0;

 QXmlStreamReader reader(&file);
 while (!reader.atEnd()) {
 switch (reader.readNext()) {
 case QXmlStreamReader::StartElement:
 if (reader.name() == ResultElementName) {
 QXmlStreamAttributes attribs = reader.attributes();
 if (attribs.hasAttribute(QString(VersionAttribute))) {
 int ver = attribs.value(QString(), VersionAttribute).toString().toInt();
 return ver;
 } else
 return 1;
 }
 break;

 // Not handled
 case QXmlStreamReader::EndElement:
 case QXmlStreamReader::NoToken:
 case QXmlStreamReader::Invalid:
 case QXmlStreamReader::StartDocument:
 case QXmlStreamReader::EndDocument:
 case QXmlStreamReader::Characters:
 case QXmlStreamReader::Comment:
 case QXmlStreamReader::DTD:
 case QXmlStreamReader::EntityReference:
 case QXmlStreamReader::ProcessingInstruction:
 break;
 }
 }
 return 0;
}