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added enum wrapper classes derived from python int, so that enums are distinguishable from normal python integers. This will allow better overload handling e.g. of QColor constructors in the future...
added enum wrapper classes derived from python int, so that enums are distinguishable from normal python integers. This will allow better overload handling e.g. of QColor constructors in the future git-svn-id: svn://svn.code.sf.net/p/pythonqt/code/trunk@87 ea8d5007-eb21-0410-b261-ccb3ea6e24a9
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symbol.h
125 lines | 2.9 KiB | text/x-c | CLexer
/ generator / parser / symbol.h
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florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 /****************************************************************************
**
** 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
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