source: trunk/src/xmlpatterns/data/qhexbinary.cpp@ 5

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#include <QtGlobal>

#include "qbase64binary_p.h"
#include "qbuiltintypes_p.h"
#include "qpatternistlocale_p.h"
#include "qvalidationerror_p.h"

#include "qhexbinary_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

HexBinary::HexBinary(const QByteArray &val) : Base64Binary(val)
{
}

qint8 HexBinary::fromHex(const QChar &c)
{
    if(c.unicode() > 'f')
        return -1;

    const char *const range = "0123456789ABCDEFabcdef";

    const char *const in = strchr(range, c.unicode());

    if(!in)
        return -1;

    /* Pointer arithmetic. */
    int digit = in - range;

    if(digit > 15)
        digit -= 6;

    return digit;
}

AtomicValue::Ptr HexBinary::fromLexical(const NamePool::Ptr &np, const QString &str)
{
    const QString lexical(str.trimmed());
    const int len = lexical.length();

    if(len == 0)
        return AtomicValue::Ptr(new HexBinary(QByteArray()));

    if((len & 1) != 0)
    {