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** GNU General Public License Usage | |
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// | |
// 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 <frans.englich@nokia.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, %2 is 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 |