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Diffstat (limited to 'src/xmlpatterns/functions/qassemblestringfns.cpp')
| -rw-r--r-- | src/xmlpatterns/functions/qassemblestringfns.cpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/xmlpatterns/functions/qassemblestringfns.cpp b/src/xmlpatterns/functions/qassemblestringfns.cpp new file mode 100644 index 0000000..513ba67 --- /dev/null +++ b/src/xmlpatterns/functions/qassemblestringfns.cpp @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns module 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 "qcommonvalues_p.h" +#include "qpatternistlocale_p.h" +#include "qschemanumeric_p.h" +#include "qatomicstring_p.h" +#include "qtocodepointsiterator_p.h" + +#include "qassemblestringfns_p.h" + +QT_BEGIN_NAMESPACE + +using namespace QPatternist; + +/* + * Determines whether @p cp is a valid XML 1.0 character. + * + * @see <a href="http://www.w3.org/TR/REC-xml/#charsets">Extensible Markup + * Language (XML) 1.0 (Third Edition)2.2 Characters</a> + */ +static inline bool isValidXML10Char(const qint32 cp) +{ + /* [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | + * [#xE000-#xFFFD] | [#x10000-#x10FFFF] + */ + return (cp == 0x9 || + cp == 0xA || + cp == 0xD || + (0x20 <= cp && cp <= 0xD7FF) || + (0xE000 <= cp && cp <= 0xFFFD) || + (0x10000 <= cp && cp <= 0x10FFFF)); +} + +Item CodepointsToStringFN::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + const Item::Iterator::Ptr it(m_operands.first()->evaluateSequence(context)); + + if(!it) + return CommonValues::EmptyString; + + QString retval; + Item item(it->next()); + while(item) + { + const qint32 cp = static_cast<qint32>(item.as<Numeric>()->toInteger()); + + if(!isValidXML10Char(cp)) + { + context->error(QtXmlPatterns::tr("%1 is not a valid XML 1.0 character.") + .arg(formatData(QLatin1String("0x") + + QString::number(cp, 16))), + ReportContext::FOCH0001, this); + + return CommonValues::EmptyString; + } + retval.append(QChar(cp)); + item = it->next(); + } + + return AtomicString::fromValue(retval); +} + +Item::Iterator::Ptr StringToCodepointsFN::evaluateSequence(const DynamicContext::Ptr &context) const +{ + const Item item(m_operands.first()->evaluateSingleton(context)); + if(!item) + return CommonValues::emptyIterator; + + const QString str(item.stringValue()); + if(str.isEmpty()) + return CommonValues::emptyIterator; + else + return Item::Iterator::Ptr(new ToCodepointsIterator(str)); +} + +QT_END_NAMESPACE |