1 files changed, 125 insertions, 0 deletions
diff --git a/generator/parser/symbol.h b/generator/parser/symbol.h
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+++ b/generator/parser/symbol.h
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+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
+**
+** This file is part of the Qt Script Generator project on Trolltech Labs.
+**
+** This file may be used under the terms of the GNU General Public
+** License version 2.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of
+** this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+** http://www.trolltech.com/products/qt/opensource.html
+**
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://www.trolltech.com/products/qt/licensing.html or contact the
+** sales department at sales@trolltech.com.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+****************************************************************************/
+
+
+#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) == 0;
+  }
+
+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;