| /**************************************************************************** |
| ** |
| ** Copyright (C) 2001-2004 Roberto Raggi |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the qt3to4 porting application of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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, Nokia gives you certain additional |
| ** rights. These rights are described in the Nokia 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. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef TOKENSTREAMADAPTER_H |
| #define TOKENSTREAMADAPTER_H |
| |
| #include "tokenengine.h" |
| #include "tokens.h" |
| |
| #include <QVector> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace TokenStreamAdapter { |
| struct TokenStream |
| { |
| TokenStream(TokenEngine::TokenSectionSequence translationUnit, QVector<Type> tokenKindList) |
| :m_translationUnit(translationUnit), |
| m_tokenKindList(tokenKindList), |
| m_cursor(0), |
| m_numTokens(tokenKindList.count()) |
| { |
| Q_ASSERT(translationUnit.count() == m_numTokens); |
| |
| // Copy out the container and containerIndex for each token so we can have |
| // constant time random access to it. |
| TokenEngine::TokenSectionSequenceIterator it(translationUnit); |
| while(it.nextToken()) { |
| m_tokenContainers.append(it.tokenContainer()); |
| m_containerIndices.append(it.containerIndex()); |
| } |
| } |
| |
| bool isHidden(int index) const |
| { |
| if(index >= m_numTokens) |
| return false; |
| QT_PREPEND_NAMESPACE(Type) type = m_tokenKindList.at(index); |
| return (type == Token_whitespaces || type == 10 /*newline*/ || |
| type == Token_comment || type == Token_preproc ); |
| } |
| |
| inline int lookAhead(int n = 0) const |
| { |
| if(m_cursor + n >= m_numTokens) |
| return 0; |
| return m_tokenKindList.at(m_cursor + n); |
| } |
| |
| inline int currentToken() const |
| { return lookAhead(); } |
| |
| inline QByteArray currentTokenText() const |
| { |
| return tokenText(m_cursor); |
| } |
| |
| inline TokenEngine::TokenContainer tokenContainer(int index = 0) const |
| { |
| if (index < m_numTokens) |
| return m_tokenContainers.at(index); |
| else |
| return TokenEngine::TokenContainer(); |
| } |
| |
| inline int containerIndex(int index = 0) const |
| { |
| if (index < m_numTokens) |
| return m_containerIndices.at(index); |
| else |
| return -1; |
| } |
| |
| inline QByteArray tokenText(int index = 0) const |
| { |
| if (index < m_numTokens) { |
| const TokenEngine::TokenContainer container = tokenContainer(index); |
| const int cIndex = containerIndex(index); |
| return container.text(cIndex); |
| } else { |
| return QByteArray(); |
| } |
| } |
| |
| inline void rewind(int index) |
| { m_cursor = index; } |
| |
| inline int cursor() const |
| { return m_cursor; } |
| |
| inline void nextToken() |
| { ++m_cursor; } |
| |
| inline bool tokenAtEnd() |
| { return m_cursor >= m_numTokens; } |
| |
| TokenEngine::TokenSectionSequence tokenSections() const |
| { return m_translationUnit; } |
| |
| private: |
| TokenEngine::TokenSectionSequence m_translationUnit; |
| QVector<Type> m_tokenKindList; |
| QList<TokenEngine::TokenContainer> m_tokenContainers; |
| QList<int> m_containerIndices; |
| int m_cursor; |
| int m_numTokens; |
| }; |
| |
| } //namespace TokenStreamAdapter |
| |
| QT_END_NAMESPACE |
| |
| #endif |