Rename LinkName to AbsoluteLinkTarget

The existing symLinkTarget() always resolves the symlink
target to an absolute path; It will be clearer to change
LinkName to AbsoluteLinkTarget. It is ready for the commit
about add symLinkPath() to read the raw link path.

Fixes: QTBUG-96761
Change-Id: I8da7e23b066c9ac1a16abb691aa1c4a5f1ff8361
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Wang Fei <wangfeia@uniontech.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

src/corelib/io/qabstractfileengine.cpp

@@ -262,9 +262,9 @@ QAbstractFileEngine *QAbstractFileEngine::create(const QString &fileName)
     the base name).
     \value AbsolutePathName The absolute path to the file (excluding
     the base name).
-    \value LinkName The full file name of the file that this file is a
+    \value AbsoluteLinkTarget The full file name of the file that this file is a
     link to. (This will be empty if this file is not a link.)
-    \value CanonicalName Often very similar to LinkName. Will return the true path to the file.
+    \value CanonicalName Often very similar to AbsoluteLinkTarget. Will return the true path to the file.
     \value CanonicalPathName Same as CanonicalName, excluding the base name.
     \value BundleName Returns the name of the bundle implies BundleType is set.
     \value JunctionName The full name of the directory that this NTFS junction

src/corelib/io/qabstractfileengine_p.h

@@ -102,7 +102,7 @@ public:
         PathName,
         AbsoluteName,
         AbsolutePathName,
-        LinkName,
+        AbsoluteLinkTarget,
         CanonicalName,
         CanonicalPathName,
         BundleName,

src/corelib/io/qfile.cpp

@@ -412,7 +412,7 @@ QFile::exists(const QString &fileName)
 QString QFile::symLinkTarget() const
 {
     Q_D(const QFile);
-    return d->engine()->fileName(QAbstractFileEngine::LinkName);
+    return d->engine()->fileName(QAbstractFileEngine::AbsoluteLinkTarget);
 }
 
 /*!

src/corelib/io/qfileinfo.cpp

@@ -67,7 +67,7 @@ QString QFileInfoPrivate::getFileName(QAbstractFileEngine::FileName name) const
                     ret = entry.path();
                 break;
             }
-            case QAbstractFileEngine::LinkName:
+            case QAbstractFileEngine::AbsoluteLinkTarget:
                 ret = QFileSystemEngine::getLinkTarget(fileEntry, metaData).filePath();
                 break;
             case QAbstractFileEngine::JunctionName:
@@ -1224,7 +1224,7 @@ QString QFileInfo::symLinkTarget() const
     Q_D(const QFileInfo);
     if (d->isDefaultConstructed)
         return QLatin1String("");
-    return d->getFileName(QAbstractFileEngine::LinkName);
+    return d->getFileName(QAbstractFileEngine::AbsoluteLinkTarget);
 }
 
 /*!

src/corelib/io/qfsfileengine_unix.cpp

@@ -470,7 +470,7 @@ QString QFSFileEngine::fileName(FileName file) const
         QFileSystemEntry entry(QFileSystemEngine::canonicalName(d->fileEntry, d->metaData));
         return file == CanonicalPathName ? entry.path() : entry.filePath();
     }
-    case LinkName:
+    case AbsoluteLinkTarget:
         if (d->isSymlink()) {
             QFileSystemEntry entry = QFileSystemEngine::getLinkTarget(d->fileEntry, d->metaData);
             return entry.filePath();

src/corelib/io/qfsfileengine_win.cpp

@@ -646,7 +646,7 @@ QString QFSFileEngine::fileName(FileName file) const
             return entry.path();
         return entry.filePath();
     }
-    case LinkName:
+    case AbsoluteLinkTarget:
         return QFileSystemEngine::getLinkTarget(d->fileEntry, d->metaData).filePath();
     case BundleName:
         return QString();

src/corelib/io/qtemporaryfile.cpp

@@ -439,7 +439,7 @@ bool QTemporaryFileEngine::close()
 QString QTemporaryFileEngine::fileName(QAbstractFileEngine::FileName file) const
 {
     if (isUnnamedFile()) {
-        if (file == LinkName) {
+        if (file == AbsoluteLinkTarget) {
             // we know our file isn't (won't be) a symlink
             return QString();
         }

tests/auto/corelib/io/qabstractfileengine/tst_qabstractfileengine.cpp

@@ -265,8 +265,8 @@ public:
                 return QLatin1String("AbsoluteName");
             case AbsolutePathName:
                 return QLatin1String("AbsolutePathName");
-            case LinkName:
-                return QLatin1String("LinkName");
+            case AbsoluteLinkTarget:
+                return QLatin1String("AbsoluteLinkTarget");
             case CanonicalName:
                 return QLatin1String("CanonicalName");
             case CanonicalPathName: