first commit, again.

src/util/xqptrmaptor.h

@@ -0,0 +1,128 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#ifndef XQPTRMAPTOR_H
+#define XQPTRMAPTOR_H
+
+#include <xqmaptor.h>
+
+/**
+ * @brief A XQMaptor implementation for pointers to to data entries.
+ */
+
+template<class T>
+class  XQPtrMaptor : public XQMaptor<T*>
+{
+
+public:
+
+  virtual ~XQPtrMaptor()
+  {
+    for (int i = 0; i < this->_data.size(); ++i)
+      delete this->_data[i];
+  }
+
+  T& entry(const QString& key)
+  {
+    int i = this->indexOf(key);
+    if (i < 0)
+      throw  XQException("XQPtrMaptor: entry: not found: " + key);
+    return *(this->_data[i]);
+  }
+
+  const T& entry(const QString& key) const
+  {
+    int i = this->indexOf(key);
+    if (i < 0)
+      throw  XQException("XQPtrMaptor: entry: not found: " + key);
+    return *(this->_data[i]);
+  }
+
+  T& entry(int index)
+  {
+    if ((int)index < this->_data.size())
+      return *(this->_data[index]);
+    throw XQException("ddmapptr entry( int index ): out of range");
+  }
+
+
+  const T& entry(int index) const
+  {
+    if (index > 0 && index < this->_data.size())
+      return *(this->_data[index]);
+    throw XQException("ddmapptr const entry( int index ): out of range");
+  }
+
+
+  bool killEntry(const QString& key) override
+  {
+    int idx = this->indexOf(key);
+    // warum keine exception?
+    if (idx < 0)
+      return false;
+    return killEntry((int)idx);
+  }
+
+  bool killEntry(int index) override
+  {
+    T* item = this->_data[index];
+    if (XQMaptor<T*>::killEntry(index))
+    {
+      delete item;
+      return true;
+    }
+    return false;
+  }
+
+
+  bool removeEntry(const QString& key)
+  {
+    int idx = this->indexOf(key);
+    // warum keine exception?
+    if (idx < 0)
+      return false;
+    return removeEntry((int)idx);
+  }
+
+
+  bool removeEntry(int index)
+  {
+    if (index >= this->_data.size())
+      return false;
+
+    // eintrag löschen
+    this->_data.erase(this->_data.begin() + index);
+    // index updaten
+    this->_index.update(index);
+
+    return true;
+  }
+
+
+  void replace(int index, T* entry)
+  {
+    if ((int)index >= this->_data.size())
+      throw XQException("ddmapptr replace( int index ): out of range");
+    delete(this->_data[index]);
+    this->_data[index] = entry;
+  }
+
+  void replace(const QString& key, T* entry)
+  {
+    replace(this->indexOf(key), entry);
+  }
+
+};
+ö
+#endif // XQPTRMAPTOR_H