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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef UTILS_H
#define UTILS_H

#include <QtCore/qglobal.h>

QT_BEGIN_NAMESPACE

inline bool is_whitespace(char s)
{
    return (s == ' ' || s == '\t' || s == '\n');
}

inline bool is_space(char s)
{
    return (s == ' ' || s == '\t');
}

inline bool is_ident_start(char s)
{
    return ((s >= 'a' && s <= 'z')
            || (s >= 'A' && s <= 'Z')
            || s == '_'
       );
}

inline bool is_ident_char(char s)
{
    return ((s >= 'a' && s <= 'z')
            || (s >= 'A' && s <= 'Z')
            || (s >= '0' && s <= '9')
            || s == '_'
       );
}

inline bool is_digit_char(char s)
{
    return (s >= '0' && s <= '9');
}

inline bool is_octal_char(char s)
{
    return (s >= '0' && s <= '7');
}

inline bool is_hex_char(char s)
{
    return ((s >= 'a' && s <= 'f')
            || (s >= 'A' && s <= 'F')
            || (s >= '0' && s <= '9')
       );
}

inline const char *skipQuote(const char *data)
{
    while (*data && (*data != '\"')) {
        if (*data == '\\') {
            ++data;
            if (!*data) break;
        }
        ++data;
    }
    
    if (*data)  //Skip last quote
        ++data;
    return data; 
}

QT_END_NAMESPACE

#endif // UTILS_H