SVN commit 1195170 by dfaure:

Make it possible to change the save location for a resource, using a new relative path.
 (Was looking for this in order to make kconfigtest not delete my kdebugrc).
Led to an interesting discussion with coolo and his old memories of the code :)


 M  +16 -8     kernel/kstandarddirs.cpp  
 M  +11 -0     tests/kstandarddirstest.cpp  
 M  +1 -0      tests/kstandarddirstest.h  


--- trunk/KDE/kdelibs/kdecore/kernel/kstandarddirs.cpp #1195169:1195170
@@ -96,8 +96,9 @@
     QStringList m_prefixes;
 
     // Directory dictionaries
-    QMap<QByteArray, QStringList> m_absolutes;
-    QMap<QByteArray, QStringList> m_relatives;
+    QMap<QByteArray, QStringList> m_absolutes; // For each resource type, the list of absolute paths, from most local (most priority) to most global
+    QMap<QByteArray, QStringList> m_relatives; // Same with relative paths
+    // The search path is "all relative paths" < "all absolute paths", from most priority to least priority.
 
     // Caches (protected by mutex in const methods, cf ctor docu)
     QMap<QByteArray, QStringList> m_dircache;
@@ -413,7 +414,9 @@
             rels.prepend(copy);
         else
             rels.append(copy);
-        d->m_dircache.remove(type); // clean the cache
+        // clean the caches
+        d->m_dircache.remove(type);
+        d->m_savelocations.remove(type);
         return true;
     }
     return false;
@@ -436,7 +439,9 @@
             paths.prepend(copy);
         else
             paths.append(copy);
-        d->m_dircache.remove(type); // clean the cache
+        // clean the caches
+        d->m_dircache.remove(type);
+        d->m_savelocations.remove(type);
         return true;
     }
     return false;
@@ -1481,7 +1486,7 @@
         }
         if (!dirs.isEmpty())
         {
-            path = dirs.last();
+            path = dirs.first();
 
             if (path.startsWith(QLatin1Char('%'))) {
                 // grab the "data" from "%data/apps"
@@ -1505,8 +1510,9 @@
             dirs = d->m_absolutes.value(type);
             if (dirs.isEmpty()) {
                 qFatal("KStandardDirs: The resource type %s is not registered", type);
+            } else {
+                path = realPath(dirs.first());
             }
-            path = realPath(dirs.last());
         }
 
         d->m_savelocations.insert(type, path.endsWith(QLatin1Char('/')) ? path : path + QLatin1Char('/'));
@@ -2030,8 +2036,10 @@
             if (!cg.readEntry(key, true))
             {
                 d->m_restrictionsActive = true;
-                d->m_restrictions.insert(key.toLatin1(), true);
-                d->m_dircache.remove(key.toLatin1());
+                const QByteArray cKey = key.toLatin1();
+                d->m_restrictions.insert(cKey, true);
+                d->m_dircache.remove(cKey);
+                d->m_savelocations.remove(cKey);
             }
         }
     }
--- trunk/KDE/kdelibs/kdecore/tests/kstandarddirstest.cpp #1195169:1195170
@@ -66,6 +66,17 @@
     QCOMPARE_PATHS( fooAppData, m_kdehome + "/share/apps/foo/" );
 }
 
+void KStandarddirsTest::testChangeSaveLocation()
+{
+    KComponentData cData("changeSave");
+    QCOMPARE_PATHS(cData.dirs()->saveLocation("config"), m_kdehome + "/share/config/");
+    // Can we change the save location?
+    const QString newSaveLoc = m_kdehome + "/newconfigdir/";
+    //cData.dirs()->addResourceDir("config", newSaveLoc); // can't be done, absolute paths have less priority than relative paths
+    cData.dirs()->addResourceType("config", 0, "newconfigdir");
+    QCOMPARE_PATHS(cData.dirs()->saveLocation("config"), newSaveLoc);
+}
+
 static bool isKdelibsInstalled()
 {
     // If there's only one dir, it's the local one (~/.kde-unit-test/share/apps/),
--- trunk/KDE/kdelibs/kdecore/tests/kstandarddirstest.h #1195169:1195170
@@ -29,6 +29,7 @@
     void testLocateLocal();
     void testSaveLocation();
     void testAppData();
+    void testChangeSaveLocation();
     void testFindResource();
     void testFindAllResources();
     void testFindAllResourcesNewDir();