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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "fileshareprotocol.h"
#include "fileshareprotocolsettingspage.h"
#include <coreplugin/icore.h>
#include <coreplugin/messagemanager.h>
#include <coreplugin/messageoutputwindow.h>
#include <utils/qtcassert.h>
#include <utils/fileutils.h>
#include <QXmlStreamReader>
#include <QXmlStreamAttribute>
#include <QTemporaryFile>
#include <QDir>
#include <QFileInfo>
#include <QDebug>
enum { debug = 0 };
static const char tempPatternC[] = "pasterXXXXXX.xml";
static const char tempGlobPatternC[] = "paster*.xml";
static const char pasterElementC[] = "paster";
static const char userElementC[] = "user";
static const char descriptionElementC[] = "description";
static const char textElementC[] = "text";
namespace CodePaster {
FileShareProtocol::FileShareProtocol() :
m_settings(new FileShareProtocolSettings),
m_settingsPage(new FileShareProtocolSettingsPage(m_settings))
{
m_settings->fromSettings(Core::ICore::settings());
}
FileShareProtocol::~FileShareProtocol()
{
}
QString FileShareProtocol::name() const
{
return m_settingsPage->displayName();
}
unsigned FileShareProtocol::capabilities() const
{
return ListCapability|PostDescriptionCapability;
}
bool FileShareProtocol::hasSettings() const
{
return true;
}
Core::IOptionsPage *FileShareProtocol::settingsPage() const
{
return m_settingsPage;
}
static bool parse(const QString &fileName,
QString *errorMessage,
QString *user = 0, QString *description = 0, QString *text = 0)
{
unsigned elementCount = 0;
errorMessage->clear();
if (user)
user->clear();
if (description)
description->clear();
if (text)
text->clear();
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly|QIODevice::Text)) {
*errorMessage = FileShareProtocol::tr("Cannot open %1: %2").arg(fileName, file.errorString());
return false;
}
QXmlStreamReader reader(&file);
while (!reader.atEnd()) {
if (reader.readNext() == QXmlStreamReader::StartElement) {
const QStringRef elementName = reader.name();
// Check start element
if (elementCount == 0 && elementName != QLatin1String(pasterElementC)) {
*errorMessage = FileShareProtocol::tr("%1 does not appear to be a paster file.").arg(fileName);
return false;
}
// Parse elements
elementCount++;
if (user && elementName == QLatin1String(userElementC)) {
*user = reader.readElementText();
} else if (description && elementName == QLatin1String(descriptionElementC)) {
*description = reader.readElementText();
} else if (text && elementName == QLatin1String(textElementC)) {
*text = reader.readElementText();
}
}
}
if (reader.hasError()) {
*errorMessage = FileShareProtocol::tr("Error in %1 at %2: %3")
.arg(fileName).arg(reader.lineNumber()).arg(reader.errorString());
return false;
}
return true;
}
bool FileShareProtocol::checkConfiguration(QString *errorMessage)
{
if (m_settings->path.isEmpty()) {
if (errorMessage)
*errorMessage = tr("Please configure a path.");
return false;
}
return true;
}
void FileShareProtocol::fetch(const QString &id)
{
// Absolute or relative path name.
QFileInfo fi(id);
if (fi.isRelative())
fi = QFileInfo(m_settings->path + QLatin1Char('/') + id);
QString errorMessage;
QString text;
if (parse(fi.absoluteFilePath(), &errorMessage, 0, 0, &text)) {
emit fetchDone(id, text, false);
} else {
emit fetchDone(id, errorMessage, true);
}
}
void FileShareProtocol::list()
{
// Read out directory, display by date (latest first)
QDir dir(m_settings->path, QLatin1String(tempGlobPatternC),
QDir::Time, QDir::Files|QDir::NoDotAndDotDot|QDir::Readable);
QStringList entries;
QString user;
QString description;
QString errorMessage;
const QChar blank = QLatin1Char(' ');
const QFileInfoList entryInfoList = dir.entryInfoList();
const int count = qMin(m_settings->displayCount, entryInfoList.size());
for (int i = 0; i < count; i++) {
const QFileInfo& entryFi = entryInfoList.at(i);
if (parse(entryFi.absoluteFilePath(), &errorMessage, &user, &description)) {
QString entry = entryFi.fileName();
entry += blank;
entry += user;
entry += blank;
entry += description;
entries.push_back(entry);
}
if (debug)
qDebug() << entryFi.absoluteFilePath() << errorMessage;
}
emit listDone(name(), entries);
}
void FileShareProtocol::paste(const QString &text,
ContentType /* ct */,
const QString &username,
const QString & /* comment */,
const QString &description)
{
// Write out temp XML file
Utils::TempFileSaver saver(m_settings->path + QLatin1Char('/') + QLatin1String(tempPatternC));
saver.setAutoRemove(false);
if (!saver.hasError()) {
// Flat text sections embedded into pasterElement
QXmlStreamWriter writer(saver.file());
writer.writeStartDocument();
writer.writeStartElement(QLatin1String(pasterElementC));
writer.writeTextElement(QLatin1String(userElementC), username);
writer.writeTextElement(QLatin1String(descriptionElementC), description);
writer.writeTextElement(QLatin1String(textElementC), text);
writer.writeEndElement();
writer.writeEndDocument();
saver.setResult(&writer);
}
if (!saver.finalize()) {
Core::ICore::messageManager()->printToOutputPanePopup(saver.errorString());
return;
}
const QString msg = tr("Pasted: %1").arg(saver.fileName());
Core::ICore::messageManager()->printToOutputPanePopup(msg);
}
} // namespace CodePaster
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