XDG_CACHE_HOME support

Author: BLumia

qxdg/qxdgstandardpath.cpp

@@ -30,13 +30,25 @@
 static QString xdgConfigHomeDir()
 {
     QString xdgConfigHome = QFile::decodeName(qgetenv("XDG_CONFIG_HOME"));
+    // https://specifications.freedesktop.org/basedir-spec/basedir-spec-0.8.html
     if (xdgConfigHome.isEmpty()) {
         xdgConfigHome = QDir::homePath() + QLatin1String("/.config");
     }
 
     return xdgConfigHome;
 }
 
+static QString xdgCacheHomeDir()
+{
+    QString xdgCacheHome = QFile::decodeName(qgetenv("XDG_CACHE_HOME"));
+    // https://specifications.freedesktop.org/basedir-spec/basedir-spec-0.8.html
+    if (xdgCacheHome.isEmpty()) {
+        xdgCacheHome = QDir::homePath() + QLatin1String("/.cache");
+    }
+
+    return xdgCacheHome;
+}
+
 static QStringList xdgConfigDirs()
 {
     QStringList dirs;
@@ -276,6 +288,8 @@ QStringList QXdgStandardPath::standardLocations(QXdgStandardPath::StandardLocati
         return xdgDataDirs();
     case XdgDataHomeLocation:
         return {xdgDataHomeDir()};
+    case XdgCacheHomeLocation:
+        return {xdgCacheHomeDir()};
     // xdg-user-dirs:
     case DesktopLocation:
     case DownloadLocation:

qxdg/qxdgstandardpath.h

@@ -48,6 +48,7 @@ class QXDGSHARED_EXPORT QXdgStandardPath
         XdgConfigDirsLocation,
         XdgDataDirsLocation,
         XdgDataHomeLocation,
+        XdgCacheHomeLocation,
         // KDE Framework paths
         Kf5ServicesLocation,
         Kf5SoundLocation,

utils/main.cpp

@@ -18,15 +18,16 @@ const QMap<QString, QPair<QXdgStandardPath::StandardLocation, QString>> pathType
     {"XDG_CONFIG_HOME", {QXdgStandardPath::XdgConfigHomeLocation, "Single base directory relative to which user-specific configuration files should be written, defined by basedir-spec."}},
     {"XDG_CONFIG_DIRS", {QXdgStandardPath::XdgConfigDirsLocation, "Set of preference ordered base directories relative to which configuration files should be searched, defined by basedir-spec."}},
     {"XDG_DATA_DIRS", {QXdgStandardPath::XdgDataDirsLocation, "set of preference ordered base directories relative to which data files should be searched, defined by basedir-spec."}},
-    {"XDG_DATA_HOME", {QXdgStandardPath::XdgDataHomeLocation, "Single base directory relative to which user-specific data files should be written., defined by basedir-spec."}},
+    {"XDG_DATA_HOME", {QXdgStandardPath::XdgDataHomeLocation, "Single base directory relative to which user-specific data files should be written, defined by basedir-spec."}},
+    {"XDG_CACHE_HOME", {QXdgStandardPath::XdgCacheHomeLocation, "Defines the base directory relative to which user specific non-essential data files should be stored, defined by basedir-spec."}},
     {"KF5_SERVICES", {QXdgStandardPath::Kf5ServicesLocation, "(*) KDE Framework 5 services. (kf5-config --path services)"}}, // not part of XDG or FreeDesktop standard
     {"KF5_SOUND", {QXdgStandardPath::Kf5SoundLocation, "(*) KDE Framework 5 application sounds. (kf5-config --path sound)"}},
     {"KF5_TEMPLATES", {QXdgStandardPath::Kf5TemplatesLocation, "(*) KDE Framework 5 templates. (kf5-config --path templates)"}}
 };
 
 const QStringList typesList = {
     "DESKTOP", "DOWNLOAD", "TEMPLATES", "PUBLICSHARE", "DOCUMENTS", "MUSIC", "PICTURES", "VIDEOS",
-    "XDG_CONFIG_HOME", "XDG_CONFIG_DIRS", "XDG_DATA_DIRS", "XDG_DATA_HOME",
+    "XDG_CONFIG_HOME", "XDG_CONFIG_DIRS", "XDG_DATA_DIRS", "XDG_DATA_HOME", "XDG_CACHE_HOME",
     "KF5_SERVICES", "KF5_SOUND", "KF5_TEMPLATES"
 };