libcore|Record: Utility for removing members

skyjake · Dec 21, 2019 · b543937 · b543937
1 parent 977df19
commit b543937
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Showing 2 changed files with 17 additions and 0 deletions.
diff --git a/doomsday/sdk/libcore/include/de/data/record.h b/doomsday/sdk/libcore/include/de/data/record.h
@@ -246,6 +246,12 @@ class DENG2_PUBLIC Record
 
     Variable *tryRemove(String const &variableName);
 
+    /**
+     * Removes all members whose name begins with @a prefix.
+     * @param prefix  Prefix string.
+     */
+    void removeMembersWithPrefix(const String &prefix);
+
     /**
      * Adds a new variable to the record with a NoneValue. If there is an existing
      * variable with the given name, the old variable is deleted first.

diff --git a/doomsday/sdk/libcore/src/data/record.cpp b/doomsday/sdk/libcore/src/data/record.cpp
@@ -566,6 +566,17 @@ Variable *Record::tryRemove(String const &variableName)
     return nullptr;
 }
 
+void Record::removeMembersWithPrefix(const String &prefix)
+{
+    for (const String &name : members().keys())
+    {
+        if (name.beginsWith(prefix))
+        {
+            remove(name);
+        }
+    }
+}
+
 Variable &Record::add(String const &name, Variable::Flags variableFlags)
 {
     return d->parentRecordByPath(name)