diff options
Diffstat (limited to 'sources/shiboken6/ApiExtractor/dotview.cpp')
-rw-r--r-- | sources/shiboken6/ApiExtractor/dotview.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sources/shiboken6/ApiExtractor/dotview.cpp b/sources/shiboken6/ApiExtractor/dotview.cpp new file mode 100644 index 000000000..0bd192257 --- /dev/null +++ b/sources/shiboken6/ApiExtractor/dotview.cpp @@ -0,0 +1,58 @@ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 + +#include "dotview.h" + +#include <QtCore/QDebug> +#include <QtCore/QDir> +#include <QtCore/QFile> +#include <QtCore/QProcess> +#include <QtCore/QTemporaryFile> + +using namespace Qt::StringLiterals; + +bool showDotGraph(const QString &name, const QString &graph) +{ + constexpr auto imageType = "jpg"_L1; + + // Write out the graph to a temporary file + QTemporaryFile dotFile(QDir::tempPath() + u'/' + name + u"_XXXXXX.dot"_s); + if (!dotFile.open()) { + qWarning("Cannot open temporary file: %s", qPrintable(dotFile.errorString())); + return false; + } + const QString tempDotFile = dotFile.fileName(); + dotFile.write(graph.toUtf8()); + dotFile.close(); + + // Convert to image using "dot" + const QString imageFile = tempDotFile.left(tempDotFile.size() - 3) + imageType; + QProcess process; + process.start(u"dot"_s, {u"-T"_s + imageType, u"-o"_s + imageFile, tempDotFile}); + if (!process.waitForStarted() || !process.waitForFinished()) { + qWarning("Image conversion failed: %s", qPrintable(process.errorString())); + return false; + } + if (process.exitStatus() != QProcess::NormalExit || process.exitCode() != 0) { + qWarning("Image conversion failed (%d): %s", + process.exitCode(), + process.readAllStandardError().constData()); + return false; + } + + // Launch image. Should use QDesktopServices::openUrl(), + // but we don't link against QtGui +#ifdef Q_OS_UNIX + constexpr auto imageViewer = "gwenview"_L1; +#else + constexpr auto imageViewer = "mspaint"_L1; +#endif + if (!QProcess::startDetached(imageViewer, {imageFile})) { + qWarning("Failed to launch viewer: %s", qPrintable(imageViewer)); + return false; + } + qInfo().noquote().nospace() << "Viewing: " + << QDir::toNativeSeparators(tempDotFile) + << ' ' << QDir::toNativeSeparators(imageFile); + return true; +} |