1 files changed, 127 insertions, 0 deletions
diff --git a/sources/shiboken2/ApiExtractor/parser/symbol.h b/sources/shiboken2/ApiExtractor/parser/symbol.h
new file mode 100644
index 000000000..588653846
--- /dev/null
+++ b/sources/shiboken2/ApiExtractor/parser/symbol.h
@@ -0,0 +1,127 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of PySide2.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#ifndef SYMBOL_H
+#define SYMBOL_H
+
+#include <QtCore/QString>
+#include <cstring>
+
+#include <QtCore/QHash>
+#include <QtCore/QPair>
+
+struct NameSymbol
+{
+    const char *data;
+    std::size_t count;
+
+    inline QString as_string() const
+    {
+        return QString::fromUtf8(data, (int) count);
+    }
+
+    inline bool operator == (const NameSymbol &other) const
+    {
+        return count == other.count
+               && !std::strncmp(data, other.data, count);
+    }
+
+protected:
+    inline NameSymbol() {}
+    inline NameSymbol(const char *d, std::size_t c)
+            : data(d), count(c) {}
+
+private:
+    void operator = (const NameSymbol &);
+
+    friend class NameTable;
+};
+
+inline uint qHash(const NameSymbol &r)
+{
+    uint hash_value = 0;
+
+    for (std::size_t i = 0; i < r.count; ++i)
+        hash_value = (hash_value << 5) - hash_value + r.data[i];
+
+    return hash_value;
+}
+
+inline uint qHash(const QPair<const char*, std::size_t> &r)
+{
+    uint hash_value = 0;
+
+    for (std::size_t i = 0; i < r.second; ++i)
+        hash_value = (hash_value << 5) - hash_value + r.first[i];
+
+    return hash_value;
+}
+
+class NameTable
+{
+public:
+    typedef QPair<const char *, std::size_t> KeyType;
+    typedef QHash<KeyType, NameSymbol*> ContainerType;
+
+public:
+    NameTable() {}
+
+    ~NameTable()
+    {
+        qDeleteAll(_M_storage);
+    }
+
+    inline const NameSymbol *findOrInsert(const char *str, std::size_t len)
+    {
+        KeyType key(str, len);
+
+        NameSymbol *name = _M_storage.value(key);
+        if (!name) {
+            name = new NameSymbol(str, len);
+            _M_storage.insert(key, name);
+        }
+
+        return name;
+    }
+
+    inline std::size_t count() const { return _M_storage.size(); }
+
+private:
+    ContainerType _M_storage;
+
+private:
+    NameTable(const NameTable &other);
+    void operator=(const NameTable &other);
+};
+
+#endif // SYMBOL_H
+
+// kate: space-indent on; indent-width 2; replace-tabs on;
+