refs #475, added file utilities

src/blackmisc/fileutilities.cpp

@@ -0,0 +1,57 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "blackmisc/worker.h"
+#include "fileutilities.h"
+
+#include <QFile>
+#include <QCoreApplication>
+
+namespace BlackMisc
+{
+    bool CFileUtils::writeStringToFile(const QString &content, const QString &fileNameAndPath)
+    {
+        if (fileNameAndPath.isEmpty()) { return false; }
+        QFile file(fileNameAndPath);
+        if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) { return false; }
+        QTextStream stream(&file);
+        stream << content;
+        file.close();
+        return true;
+    }
+
+    QString CFileUtils::readFileToString(const QString &fileNameAndPath)
+    {
+        QFile file(fileNameAndPath);
+        if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) { return ""; }
+        QTextStream stream(&file);
+        QString content(stream.readAll());
+        file.close();
+        return content;
+    }
+
+    bool CFileUtils::writeStringToFileInBackground(const QString &content, const QString &fileNameAndPath)
+    {
+        if (fileNameAndPath.isEmpty()) { return false; }
+        CWorker *worker = BlackMisc::CWorker::fromTask(QCoreApplication::instance(), "writeStringToFileInBackground", [content, fileNameAndPath]()
+        {
+            bool s = CFileUtils::writeStringToFile(content, fileNameAndPath);
+            Q_UNUSED(s);
+        });
+        return worker ? true : false;
+    }
+
+    QString CFileUtils::appendFilePaths(const QString &path1, const QString &path2)
+    {
+        if (path1.isEmpty()) { return QDir::cleanPath(path2); }
+        if (path2.isEmpty()) { return QDir::cleanPath(path1); }
+        return QDir::cleanPath(path1 + QDir::separator() + path2);
+    }
+
+} // ns