1 files changed, 137 insertions, 0 deletions
diff --git a/src/plugins/mesonprojectmanager/machinefiles/machinefilemanager.cpp b/src/plugins/mesonprojectmanager/machinefiles/machinefilemanager.cpp
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+++ b/src/plugins/mesonprojectmanager/machinefiles/machinefilemanager.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2020 Alexis Jeandet.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "machinefilemanager.h"
+#include "nativefilegenerator.h"
+#include <kithelper/kitdata.h>
+#include <kithelper/kithelper.h>
+#include <coreplugin/icore.h>
+#include <utils/optional.h>
+#include <utils/qtcassert.h>
+#include <QDir>
+#include <QFile>
+#include <QRegularExpression>
+
+namespace MesonProjectManager {
+namespace Internal {
+
+const char MACHINE_FILE_PREFIX[] = "Meson-MachineFile-";
+const char MACHINE_FILE_EXT[] = ".ini";
+
+template<typename F>
+bool withFile(const Utils::FilePath &path, const F &f)
+{
+    QFile file(path.toString());
+    if (file.open(QIODevice::WriteOnly)) {
+        f(&file);
+        return file.flush();
+    }
+    return false;
+}
+
+Utils::FilePath MachineFilesDir()
+{
+    return Utils::FilePath::fromString(Core::ICore::userResourcePath())
+        .pathAppended("Meson-machine-files");
+}
+
+MachineFileManager::MachineFileManager()
+{
+    using namespace ProjectExplorer;
+    connect(KitManager::instance(),
+            &KitManager::kitAdded,
+            this,
+            &MachineFileManager::addMachineFile);
+    connect(KitManager::instance(),
+            &KitManager::kitUpdated,
+            this,
+            &MachineFileManager::updateMachineFile);
+    connect(KitManager::instance(),
+            &KitManager::kitRemoved,
+            this,
+            &MachineFileManager::removeMachineFile);
+    connect(KitManager::instance(),
+            &KitManager::kitsLoaded,
+            this,
+            &MachineFileManager::cleanupMachineFiles);
+}
+
+Utils::FilePath MachineFileManager::machineFile(const ProjectExplorer::Kit *kit)
+{
+    QTC_ASSERT(kit, return {});
+    auto baseName
+        = QString("%1%2%3").arg(MACHINE_FILE_PREFIX).arg(kit->id().toString()).arg(MACHINE_FILE_EXT);
+    baseName = baseName.remove('{').remove('}');
+    return MachineFilesDir().pathAppended(baseName);
+}
+
+void MachineFileManager::addMachineFile(const ProjectExplorer::Kit *kit)
+{
+    auto filePath = machineFile(kit);
+    QTC_ASSERT(!filePath.isEmpty(), return );
+    auto data = KitHelper::kitData(kit);
+    QTC_ASSERT(withFile(filePath,
+                        [&data](QFile *file) { NativeFileGenerator::makeNativeFile(file, data); }),
+               return );
+}
+
+void MachineFileManager::removeMachineFile(const ProjectExplorer::Kit *kit)
+{
+    auto filePath = machineFile(kit);
+    if (filePath.exists())
+        QFile::remove(filePath.toString());
+}
+
+void MachineFileManager::updateMachineFile(const ProjectExplorer::Kit *kit)
+{
+    addMachineFile(kit);
+}
+
+void MachineFileManager::cleanupMachineFiles()
+{
+    const auto kits = ProjectExplorer::KitManager::kits();
+    auto machineFilesDir = QDir(MachineFilesDir().toString());
+    if (!machineFilesDir.exists()) {
+        machineFilesDir.mkdir(machineFilesDir.path());
+    }
+    auto machineFiles = QDir(MachineFilesDir().toString())
+                            .entryList(
+                                {QString("%1*%2").arg(MACHINE_FILE_PREFIX).arg(MACHINE_FILE_EXT)});
+    QStringList expected;
+    for (auto const *kit : kits) {
+        QString fname = machineFile(kit).toString();
+        expected.push_back(fname);
+        if (!machineFiles.contains(fname))
+            addMachineFile(kit);
+    }
+
+    for (const auto &file : machineFiles) {
+        if (!expected.contains(file))
+            QFile::remove(file);
+    }
+}
+
+} // namespace Internal
+} // namespace MesonProjectManager