source: trunk/src/xmlpatterns/functions/qpatternplatform.cpp@ 439

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#include <QHash>

#include "qpatternistlocale_p.h"

#include "qpatternplatform_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

namespace QPatternist
{
    /**
     * @short Used internally by PatternPlatform and describes
     * a flag that affects how a pattern is treated.
     *
     * The member variables aren't declared @c const, in order
     * to make the synthesized assignment operator and copy constructor work.
     *
     * @ingroup Patternist_utils
     * @author Frans Englich <[email protected]>
     */
    class PatternFlag
    {
    public:
        typedef QHash<QChar, PatternFlag> Hash;

        inline PatternFlag() : flag(PatternPlatform::NoFlags)
        {
        }

        inline PatternFlag(const PatternPlatform::Flag opt,
                           const QString &descr) : flag(opt),
                                                   description(descr)
        {
        }

        PatternPlatform::Flag   flag;
        QString                 description;

        static inline Hash flagDescriptions();
    };
}

static inline PatternFlag::Hash flagDescriptions()
{
    PatternFlag::Hash retval;

    retval.insert(QChar(QLatin1Char('s')),
                  PatternFlag(PatternPlatform::DotAllMode,
                              QtXmlPatterns::tr("%1 matches newline characters").arg(formatKeyword(QLatin1Char('.')))));

    retval.insert(QChar(QLatin1Char('m')),
                  PatternFlag(PatternPlatform::MultiLineMode,
                              QtXmlPatterns::tr("%1 and %2 match the start and end of a line.")
                                   .arg(formatKeyword(QLatin1Char('^')))
                                   .arg(formatKeyword(QLatin1Char('$')))));

    retval.insert(QChar(QLatin1Char('i')),
                  PatternFlag(PatternPlatform::CaseInsensitive,
                              QtXmlPatterns::tr("Matches are case insensitive")));

    retval.insert(QChar(QLatin1Char('x')),
                  PatternFlag(PatternPlatform::SimplifyWhitespace,
                              QtXmlPatterns::tr("Whitespace characters are removed, except when they appear "
                                 "in character classes")));

    return retval;
}

PatternPlatform::PatternPlatform(const qint8 flagsPosition) : m_compiledParts(NoPart),
                                                              m_flags(NoFlags),
                                                              m_flagsPosition(flagsPosition)
{
}

const QRegExp PatternPlatform::pattern(const DynamicContext::Ptr &context) const