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/*
Copyright (C) 2010 George Kiagiadakis <kiagiadakis.george@gmail.com>
Copyright (C) 2010 Collabora Ltd.
@author George Kiagiadakis <george.kiagiadakis@collabora.co.uk>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GENERATOR_H
#define GENERATOR_H
#include <QtCore/QList>
#include <QtCore/QByteArray>
#include <QtCore/QHash>
#include <QtCore/QTextStream>
class CodeGen
{
public:
typedef QHash<QByteArray, QByteArray> QByteArrayHash;
typedef QPair<QByteArray, QByteArray> QByteArrayPair;
static void parse(const QString & fileName, QTextStream & outStream);
static void printGlobalWrapperDefinitions(QTextStream & outStream);
inline CodeGen(const QString & fileName) : m_fileName(fileName) {}
inline void setCurrentNameSpace(const char *name) { m_currentNamespace = name; }
inline void setCurrentClass(const char *name) { m_currentClass = name; }
void addEnum(const QList<QByteArray> & values, const QByteArrayHash & options);
void addTypeRegistration(const QByteArray & namespaceId, const QByteArray & classId,
const QByteArray & enumId, const QByteArrayHash & options);
void addWrapperDefinition(const QByteArray & classId, const QByteArrayHash & options);
void addWrapperFakeSubclass(const QByteArray & prefix, const QByteArray & classId,
const QByteArrayHash & options);
void fatalError(const char *msg);
private:
struct Enum
{
QList<QByteArray> values;
QByteArrayHash options;
};
void generateOutput(QTextStream & outStream);
static void printTypeRegistration(QTextStream & outStream, const QByteArrayHash & typeReg);
static void printEnumAssertions(QTextStream & outStream, const Enum & enumDef);
void printWrapperDefinition(QTextStream & outStream, const QByteArrayHash & def);
static QByteArray toGstStyle(const QByteArray & str);
static QByteArray namespaceToGstStyle(const QByteArray & ns);
const QString m_fileName;
QByteArray m_currentNamespace;
QByteArray m_currentClass;
QList<Enum> m_enums;
QList<QByteArrayHash> m_typeRegistrations;
QList<QByteArrayHash> m_wrapperDefinitions;
//< <namespace, class>, <prefix + options> >
QHash<QByteArrayPair, QList<QByteArrayHash> > m_wrapperSubclasses;
static QHash<QByteArray, QList<QByteArray> > s_wrapperDefinitions; //<namespace, classes>
};
#endif // GENERATOR_H
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