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Diffstat (limited to 'src/xmlpatterns/expr/qncnameconstructor_p.h')
| -rw-r--r-- | src/xmlpatterns/expr/qncnameconstructor_p.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qncnameconstructor_p.h b/src/xmlpatterns/expr/qncnameconstructor_p.h new file mode 100644 index 0000000..8632a24 --- /dev/null +++ b/src/xmlpatterns/expr/qncnameconstructor_p.h @@ -0,0 +1,154 @@ +/**************************************************************************** +** +** 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Patternist_NCNameConstructor_H +#define Patternist_NCNameConstructor_H + +#include "qsinglecontainer_p.h" +#include "qpatternistlocale_p.h" +#include "private/qxmlutils_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * @short Ensures the lexical space of the string value of the Item returned + * from its child Expression is an NCName. + * + * @note It doesn't actually construct an @c xs:NCName. It only ensures the lexical + * space is an @c NCName. The atomic value can be of any string type, such as @c xs:untypedAtomic + * of @c xs:string. + * + * @author Frans Englich <fenglich@trolltech.com> + * @ingroup Patternist_expressions + */ + class NCNameConstructor : public SingleContainer + { + public: + + NCNameConstructor(const Expression::Ptr &source); + + virtual Item evaluateSingleton(const DynamicContext::Ptr &) const; + + virtual SequenceType::List expectedOperandTypes() const; + + virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context, + const SequenceType::Ptr &reqType); + + virtual SequenceType::Ptr staticType() const; + + virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const; + + /** + * Validates @p lexicalNCName as a processing instruction's target + * name, and raise an error if it's not an @c NCName. + */ + template<typename TReportContext, + const ReportContext::ErrorCode NameIsXML, + const ReportContext::ErrorCode LexicallyInvalid> + static inline + void validateTargetName(const QString &lexicalNCName, + const TReportContext &context, + const SourceLocationReflection *const r); + private: + + /** + * This translation string is put here in order to avoid duplicate messages and + * hence reduce work for translators and increase consistency. + */ + static + const QString nameIsXML(const QString &lexTarget) + { + return QtXmlPatterns::tr("The target name in a processing instruction " + "cannot be %1 in any combination of upper " + "and lower case. Therefore, is %2 invalid.") + .arg(formatKeyword("xml"), formatKeyword(lexTarget)); + } + }; + + template<typename TReportContext, + const ReportContext::ErrorCode NameIsXML, + const ReportContext::ErrorCode LexicallyInvalid> + inline + void NCNameConstructor::validateTargetName(const QString &lexicalTarget, + const TReportContext &context, + const SourceLocationReflection *const r) + { + Q_ASSERT(context); + + if(QXmlUtils::isNCName(lexicalTarget)) + { + if(QString::compare(QLatin1String("xml"), lexicalTarget, Qt::CaseInsensitive) == 0) + context->error(nameIsXML(lexicalTarget), NameIsXML, r); + } + else + { + context->error(QtXmlPatterns::tr("%1 is not a valid target name in " + "a processing instruction. It " + "must be a %2 value, e.g. %3.") + .arg(formatKeyword(lexicalTarget)) + .arg(formatType(context->namePool(), + BuiltinTypes::xsNCName)) + .arg(formatKeyword("my-name.123")), + LexicallyInvalid, + r); + } + } +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |