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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef CPLUSPLUS_INTERNAL_PPTOKEN_H
#define CPLUSPLUS_INTERNAL_PPTOKEN_H
#include <CPlusPlus.h>
#include <Token.h>
#include <QByteArray>
namespace CPlusPlus {
class CPLUSPLUS_EXPORT ByteArrayRef
{
public:
ByteArrayRef()
: m_start("")
, m_length(0)
{}
ByteArrayRef(const QByteArray *ref)
: m_start(ref->constData())
, m_length(ref->length())
{}
ByteArrayRef(const char *start, int length)
: m_start(start)
, m_length(length)
{}
ByteArrayRef(const QByteArray *ref, int offset, int length)
: m_start(ref->constData() + offset)
, m_length(length)
{
Q_ASSERT(ref);
Q_ASSERT(offset >= 0);
Q_ASSERT(length >= 0);
Q_ASSERT(offset + length <= ref->size());
}
inline const char *start() const
{ return m_start; }
inline int length() const
{ return m_length; }
inline int size() const
{ return length(); }
inline char at(int pos) const
{ return pos >= 0 && pos < m_length ? m_start[pos] : '\0'; }
inline char operator[](int pos) const
{ return at(pos); }
QByteArray toByteArray() const
{ return QByteArray(m_start, m_length); }
bool operator==(const QByteArray &other) const
{ return m_length == other.length() && !qstrncmp(m_start, other.constData(), m_length); }
bool operator!=(const QByteArray &other) const
{ return !this->operator==(other); }
bool operator==(const char *other) const
{ return qstrncmp(m_start, other, qstrlen(other)) == 0; }
bool operator!=(const char *other) const
{ return !this->operator==(other); }
bool startsWith(const char *ch) const;
int count(char c) const;
private:
const char *m_start;
const int m_length;
};
inline bool operator==(const QByteArray &other, const ByteArrayRef &ref)
{ return ref == other; }
inline bool operator!=(const QByteArray &other, const ByteArrayRef &ref)
{ return ref != other; }
namespace Internal {
class CPLUSPLUS_EXPORT PPToken: public Token
{
public:
PPToken() {}
PPToken(const QByteArray &src)
: m_src(src)
{}
void setSource(const QByteArray &src)
{ m_src = src; }
const QByteArray &source() const
{ return m_src; }
bool hasSource() const
{ return !m_src.isEmpty(); }
void squeezeSource();
const char *bufferStart() const
{ return m_src.constData(); }
const char *tokenStart() const
{ return bufferStart() + offset; }
ByteArrayRef asByteArrayRef() const
{ return ByteArrayRef(&m_src, offset, length()); }
private:
QByteArray m_src;
};
} // namespace Internal
} // namespace CPlusPlus
#endif // CPLUSPLUS_INTERNAL_PPTOKEN_H
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