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diff --git a/parser/rpp/pp-iterator.h b/parser/rpp/pp-iterator.h
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+/*
+ * This file is part of the API Extractor project.
+ *
+ * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+ * Copyright 2005 Roberto Raggi <roberto@kdevelop.org>
+ *
+ * Contact: PySide team <contact@pyside.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef PP_ITERATOR_H
+#define PP_ITERATOR_H
+
+#include <iterator>
+
+namespace rpp
+{
+
+class pp_null_output_iterator
+        : public std::iterator<std::output_iterator_tag, void, void, void, void>
+{
+public:
+    pp_null_output_iterator() {}
+
+    template <typename _Tp>
+    pp_null_output_iterator &operator=(_Tp const &) {
+        return *this;
+    }
+
+    inline pp_null_output_iterator &operator *() {
+        return *this;
+    }
+    inline pp_null_output_iterator &operator ++ () {
+        return *this;
+    }
+    inline pp_null_output_iterator operator ++ (int) {
+        return *this;
+    }
+};
+
+template <typename _Container>
+class pp_output_iterator
+        : public std::iterator<std::output_iterator_tag, void, void, void, void>
+{
+    std::string &_M_result;
+
+public:
+    explicit pp_output_iterator(std::string &__result):
+            _M_result(__result) {}
+
+    inline pp_output_iterator &operator=(typename _Container::const_reference __v) {
+        if (_M_result.capacity() == _M_result.size())
+            _M_result.reserve(_M_result.capacity() << 2);
+
+        _M_result.push_back(__v);
+        return *this;
+    }
+
+    inline pp_output_iterator &operator *() {
+        return *this;
+    }
+    inline pp_output_iterator &operator ++ () {
+        return *this;
+    }
+    inline pp_output_iterator operator ++ (int) {
+        return *this;
+    }
+};
+
+} // namespace rpp
+
+#endif // PP_ITERATOR_H
+
+// kate: space-indent on; indent-width 2; replace-tabs on;