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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "perforcechecker.h"
#include "perforcetr.h"
#include <utils/qtcassert.h>
#include <QApplication>
#include <QCursor>
#include <QDir>
#include <QFileInfo>
#include <QRegularExpression>
#include <QTimer>
using namespace Utils;
namespace Perforce {
namespace Internal {
PerforceChecker::PerforceChecker(QObject *parent) : QObject(parent)
{
connect(&m_process, &Process::done, this, &PerforceChecker::slotDone);
}
PerforceChecker::~PerforceChecker()
{
if (m_process.isRunning()) {
m_process.kill();
m_process.waitForFinished();
}
resetOverrideCursor();
}
bool PerforceChecker::isRunning() const
{
return m_process.state() == QProcess::Running;
}
bool PerforceChecker::waitForFinished()
{
return m_process.waitForFinished() || m_process.state() == QProcess::NotRunning;
}
void PerforceChecker::resetOverrideCursor()
{
if (m_isOverrideCursor) {
QApplication::restoreOverrideCursor();
m_isOverrideCursor = false;
}
}
void PerforceChecker::start(const FilePath &binary, const FilePath &workingDirectory,
const QStringList &basicArgs,
int timeoutMS)
{
if (isRunning()) {
emitFailed(QLatin1String("Internal error: process still running"));
return;
}
if (binary.isEmpty()) {
emitFailed(Tr::tr("No executable specified"));
return;
}
m_binary = binary;
QStringList args = basicArgs;
args << QLatin1String("client") << QLatin1String("-o");
if (!workingDirectory.isEmpty())
m_process.setWorkingDirectory(workingDirectory);
m_process.setCommand({m_binary, args});
m_process.start();
// Timeout handling
m_timeOutMS = timeoutMS;
m_timedOut = false;
if (timeoutMS > 0)
QTimer::singleShot(m_timeOutMS, this, &PerforceChecker::slotTimeOut);
// Cursor
if (m_useOverideCursor) {
m_isOverrideCursor = true;
QApplication::setOverrideCursor(QCursor(Qt::BusyCursor));
}
}
void PerforceChecker::slotTimeOut()
{
if (!isRunning())
return;
m_timedOut = true;
m_process.stop();
m_process.waitForFinished();
emitFailed(Tr::tr("\"%1\" timed out after %2 ms.").arg(m_binary.toUserOutput()).arg(m_timeOutMS));
}
void PerforceChecker::slotDone()
{
if (m_timedOut)
return;
if (m_process.error() == QProcess::FailedToStart) {
emitFailed(Tr::tr("Unable to launch \"%1\": %2").
arg(m_binary.toUserOutput(), m_process.errorString()));
return;
}
switch (m_process.exitStatus()) {
case QProcess::CrashExit:
emitFailed(Tr::tr("\"%1\" crashed.").arg(m_binary.toUserOutput()));
break;
case QProcess::NormalExit:
if (m_process.exitCode()) {
const QString stdErr = m_process.cleanedStdErr();
emitFailed(Tr::tr("\"%1\" terminated with exit code %2: %3").
arg(m_binary.toUserOutput()).arg(m_process.exitCode()).arg(stdErr));
} else {
parseOutput(m_process.cleanedStdOut());
}
break;
}
}
static inline QString findTerm(const QString& in, const QLatin1String& term)
{
QRegularExpression regExp(QString("(\\n|\\r\\n|\\r)%1\\s*(.*)(\\n|\\r\\n|\\r)").arg(term));
QTC_ASSERT(regExp.isValid(), return {});
QRegularExpressionMatch match = regExp.match(in);
if (match.hasMatch())
return match.captured(2).trimmed();
return {};
}
// Parse p4 client output for the top level
static inline QString clientRootFromOutput(const QString &in)
{
const QString root = findTerm(in, QLatin1String("Root:"));
if (!root.isNull()) {
// Normalize slashes and capitalization of Windows drive letters for caching.
return QFileInfo(root).absoluteFilePath();
}
return {};
}
// When p4 port and p4 user is set a preconfigured Root: is given, which doesn't relate with
// the current mapped project. In this case "Client:" has the same value as "Host:", which is an
// invalid case.
static inline bool clientAndHostAreEqual(const QString &in)
{
const QString client = findTerm(in, QLatin1String("Client:"));
const QString host = findTerm(in, QLatin1String("Host:"));
return client == host;
}
void PerforceChecker::parseOutput(const QString &response)
{
if (!response.contains(QLatin1String("View:")) && !response.contains(QLatin1String("//depot/"))) {
emitFailed(Tr::tr("The client does not seem to contain any mapped files."));
return;
}
if (clientAndHostAreEqual(response)) {
// Is an invalid case. But not an error. QtC checks cmake install directories for
// p4 repositories, or the %temp% directory.
return;
}
const QString repositoryRoot = clientRootFromOutput(response);
if (repositoryRoot.isEmpty()) {
//: Unable to determine root of the p4 client installation
emitFailed(Tr::tr("Unable to determine the client root."));
return;
}
// Check existence. No precise check here, might be a symlink
if (QFileInfo::exists(repositoryRoot)) {
emitSucceeded(repositoryRoot);
} else {
emitFailed(Tr::tr("The repository \"%1\" does not exist.").
arg(QDir::toNativeSeparators(repositoryRoot)));
}
}
void PerforceChecker::emitFailed(const QString &m)
{
resetOverrideCursor();
emit failed(m);
}
void PerforceChecker::emitSucceeded(const QString &m)
{
resetOverrideCursor();
emit succeeded(FilePath::fromString(m));
}
bool PerforceChecker::useOverideCursor() const
{
return m_useOverideCursor;
}
void PerforceChecker::setUseOverideCursor(bool v)
{
m_useOverideCursor = v;
}
}
}
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