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Diffstat (limited to 'tools/porting/src/replacetoken.cpp')
-rw-r--r-- | tools/porting/src/replacetoken.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/tools/porting/src/replacetoken.cpp b/tools/porting/src/replacetoken.cpp new file mode 100644 index 0000000..52757a1 --- /dev/null +++ b/tools/porting/src/replacetoken.cpp @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the qt3to4 porting application of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "replacetoken.h" +#include "tokenreplacements.h" +#include <QByteArray> + +QT_BEGIN_NAMESPACE + +/* + Add an entry to the tokenRuleLookup map for each token replacement rule. +*/ +ReplaceToken::ReplaceToken(const QList<TokenReplacement*> &tokenReplacementRules) +:tokenReplacementRules(tokenReplacementRules) +{ + foreach (TokenReplacement* rep, tokenReplacementRules) { + QByteArray key = rep->getReplaceKey(); + if(!key.isEmpty()) { + tokenRuleLookup.insert(key, rep); + } + } +} + +TextReplacements ReplaceToken::getTokenTextReplacements(const TokenEngine::TokenContainer &container) +{ + TextReplacements textReplacements; + + int t=0; + const int numTokens = container.count(); + while(t < numTokens) { + QByteArray tokenText = container.text(t); + bool changed = false; + + if(isPreprocessorDirective(tokenText)) { + foreach(TokenReplacement *tokenReplacementRule, tokenReplacementRules) { + if(!changed) + changed = tokenReplacementRule->doReplace(container, t, textReplacements); + if(changed) + break; + } + } else if (isInterestingToken(tokenText.trimmed())) { + foreach (TokenReplacement* value, tokenRuleLookup.values(tokenText)) { + changed = value->doReplace(container, t, textReplacements); + if(changed) { + goto end; + } + } + } + end: + ++t; + } + return textReplacements; +} + +bool ReplaceToken::isInterestingToken(const QByteArray &text) +{ + return !(text.isEmpty() || text==";" || text=="(" || text==")" || text=="{" || text=="}" || text=="=" + || text=="+=" || text=="-=" || text=="if" || text=="then" || text=="else" + ); +} + +bool ReplaceToken::isPreprocessorDirective(const QByteArray &token) +{ + return (token[0]=='#'); +} + +QT_END_NAMESPACE |