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/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DS_FOUNDATION_STRING_TOKENIZER_H
#define QT3DS_FOUNDATION_STRING_TOKENIZER_H
#include "EASTL/string.h"
namespace qt3ds {
namespace foundation {
template <typename TStrType>
class QT3DS_FOUNDATION_API StringTokenizer
{
typedef typename eastl::basic_string<TStrType>::size_type size_t;
public:
StringTokenizer(const eastl::basic_string<TStrType> &inString,
const eastl::basic_string<TStrType> &inToken)
{
eastl::basic_string<TStrType> mStr = inString;
eastl::basic_string<TStrType> theTempString = inString.substr(0, inToken.length());
while (inToken.length() && theTempString.compare(inToken) == 0) {
mStr = mStr.substr(inToken.length());
theTempString = mStr.substr(0, inToken.length());
}
theTempString = mStr.substr(mStr.length() - 1 - inToken.length());
while (theTempString.compare(inToken) == 0) {
mStr = mStr.substr(0, mStr.length() - inToken.length());
theTempString = mStr.substr(mStr.length() - 1 - inToken.length());
}
m_OriginalString = mStr;
m_Token = inToken;
m_Index = 0;
}
eastl::basic_string<TStrType> GetCurrentPartition()
{
eastl::basic_string<TStrType> theReturnString;
if (m_Index != eastl::basic_string<TStrType>::npos) {
size_t theCurrentTokenIndex = m_OriginalString.find(m_Token, m_Index);
if (theCurrentTokenIndex == eastl::basic_string<TStrType>::npos) {
theReturnString = m_OriginalString.substr(m_Index);
} else {
theReturnString =
m_OriginalString.substr(m_Index, theCurrentTokenIndex - m_Index);
}
}
return theReturnString;
}
bool HasNextPartition() { return m_Index != eastl::basic_string<TStrType>::npos; }
void operator++()
{
if (m_Index != eastl::basic_string<TStrType>::npos) {
size_t theCurrentTokenIndex = m_OriginalString.find(m_Token, m_Index);
if (theCurrentTokenIndex == eastl::basic_string<TStrType>::npos) {
m_Index = eastl::basic_string<TStrType>::npos;
} else {
m_Index = theCurrentTokenIndex + m_Token.length();
if (m_Index > m_OriginalString.length())
m_Index = eastl::basic_string<TStrType>::npos;
}
}
}
private:
size_t m_Index;
eastl::basic_string<TStrType> m_Token;
eastl::basic_string<TStrType> m_OriginalString;
};
} // namespace foundation
} // namespace qt3ds
#endif
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