Revise string literal usage

PR #16703.

src/base/utils/fs.cpp

@@ -80,12 +80,12 @@ bool Utils::Fs::smartRemoveEmptyFolderTree(const Path &path)
     const QStringList deleteFilesList =
     {
         // Windows
-        QLatin1String("Thumbs.db"),
-        QLatin1String("desktop.ini"),
+        u"Thumbs.db"_qs,
+        u"desktop.ini"_qs,
         // Linux
-        QLatin1String(".directory"),
+        u".directory"_qs,
         // Mac OS
-        QLatin1String(".DS_Store")
+        u".DS_Store"_qs
     };
 
     // travel from the deepest folder and remove anything unwanted on the way out.
@@ -182,7 +182,7 @@ bool Utils::Fs::sameFiles(const Path &path1, const Path &path2)
 
 QString Utils::Fs::toValidFileName(const QString &name, const QString &pad)
 {
-    const QRegularExpression regex {QLatin1String("[\\\\/:?\"*<>|]+")};
+    const QRegularExpression regex {u"[\\\\/:?\"*<>|]+"_qs};
 
     QString validName = name.trimmed();
     validName.replace(regex, pad);
@@ -192,7 +192,7 @@ QString Utils::Fs::toValidFileName(const QString &name, const QString &pad)
 
 Path Utils::Fs::toValidPath(const QString &name, const QString &pad)
 {
-    const QRegularExpression regex {QLatin1String("[:?\"*<>|]+")};
+    const QRegularExpression regex {u"[:?\"*<>|]+"_qs};
 
     QString validPathStr = name;
     validPathStr.replace(regex, pad);
@@ -238,7 +238,7 @@ bool Utils::Fs::isNetworkFileSystem(const Path &path)
         return false;
     return (::GetDriveTypeW(volumePath.get()) == DRIVE_REMOTE);
 #else
-    const QString file = path.toString() + QLatin1String("/.");
+    const QString file = (path.toString() + u"/.");
     struct statfs buf {};
     if (statfs(file.toLocal8Bit().constData(), &buf) != 0)
         return false;

src/base/utils/fs.h

@@ -35,6 +35,7 @@
 
 #include <QString>
 
+#include "base/global.h"
 #include "base/pathfwd.h"
 
 class QDateTime;
@@ -52,8 +53,8 @@ namespace Utils::Fs
     QDateTime lastModified(const Path &path);
     bool sameFiles(const Path &path1, const Path &path2);
 
-    QString toValidFileName(const QString &name, const QString &pad = QLatin1String(" "));
-    Path toValidPath(const QString &name, const QString &pad = QLatin1String(" "));
+    QString toValidFileName(const QString &name, const QString &pad = u" "_qs);
+    Path toValidPath(const QString &name, const QString &pad = u" "_qs);
     Path toCanonicalPath(const Path &path);
 
     bool copyFile(const Path &from, const Path &to);

src/base/utils/misc.cpp

@@ -298,8 +298,8 @@ bool Utils::Misc::isPreviewable(const Path &filePath)
 {
     const QString mime = QMimeDatabase().mimeTypeForFile(filePath.data(), QMimeDatabase::MatchExtension).name();
 
-    if (mime.startsWith(QLatin1String("audio"), Qt::CaseInsensitive)
-        || mime.startsWith(QLatin1String("video"), Qt::CaseInsensitive))
+    if (mime.startsWith(u"audio", Qt::CaseInsensitive)
+        || mime.startsWith(u"video", Qt::CaseInsensitive))
     {
         return true;
     }

src/base/utils/net.cpp

@@ -36,6 +36,8 @@
 #include <QString>
 #include <QVector>
 
+#include "base/global.h"
+
 namespace Utils
 {
     namespace Net
@@ -65,7 +67,7 @@ namespace Utils
         {
             return (addr == QHostAddress::LocalHost)
                     || (addr == QHostAddress::LocalHostIPv6)
-                    || (addr == QHostAddress(QLatin1String("::ffff:127.0.0.1")));
+                    || (addr == QHostAddress(u"::ffff:127.0.0.1"_qs));
         }
 
         bool isIPInRange(const QHostAddress &addr, const QVector<Subnet> &subnets)

src/base/utils/version.h

@@ -34,6 +34,7 @@
 #include <QString>
 
 #include "base/exceptions.h"
+#include "base/global.h"
 
 namespace Utils
 {
@@ -63,7 +64,7 @@ namespace Utils
          * @throws RuntimeError if parsing fails
          */
         Version(const QString &version)
-            : Version {version.split(QLatin1Char('.'))}
+            : Version {version.split(u'.')}
         {
         }
 
@@ -119,7 +120,7 @@ namespace Utils
 
             QString res = QString::number((*this)[0]);
             for (std::size_t i = 1; i <= lastSignificantIndex; ++i)
-                res += QLatin1Char('.') + QString::number((*this)[i]);
+                res += (u'.' + QString::number((*this)[i]));
             return res;
         }
 
@@ -162,7 +163,7 @@ namespace Utils
             if ((static_cast<std::size_t>(versionParts.size()) > N)
                 || (static_cast<std::size_t>(versionParts.size()) < Mandatory))
             {
-                throw RuntimeError(QLatin1String("Incorrect number of version components"));
+                throw RuntimeError(u"Incorrect number of version components"_qs);
             }
 
             bool ok = false;
@@ -171,7 +172,7 @@ namespace Utils
             {
                 res[i] = static_cast<T>(versionParts[static_cast<typename StringsList::size_type>(i)].toInt(&ok));
                 if (!ok)
-                    throw RuntimeError(QLatin1String("Can not parse version component"));
+                    throw RuntimeError(u"Can not parse version component"_qs);
             }
             return res;
         }