qstringbuilder.cpp

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#include "qstringbuilder.h"
#include <QtCore/qtextcodec.h>

QT_BEGIN_NAMESPACE

/* \fn QStringBuilder::operator%(const A &a, const B &b)

    Returns a \c QStringBuilder object that is converted to a QString object
    when assigned to a variable of QString type or passed to a function that
    takes a QString parameter.

    This function is usable with arguments of type \c QString,
    \c QLatin1String, \c QLatin1Literal, \c QStringRef, 
    \c QChar, \c QCharRef, \c QLatin1Char, and \c char.
*/

void QAbstractConcatenable::convertFromAscii(const char *a, int len, QChar *&out)
{
#ifndef QT_NO_TEXTCODEC
    if (QString::codecForCStrings && len) {
        QString tmp = QString::fromAscii(a, len > 0 ? len - 1 : -1);
        memcpy(out, reinterpret_cast<const char *>(tmp.constData()), sizeof(QChar) * tmp.size());
        out += tmp.length();
        return;
    }
#endif
    if (len == -1) {
        if (!a)
            return;
        while (*a)
            *out++ = QLatin1Char(*a++);
    } else {
        for (int i = 0; i < len - 1; ++i)
            *out++ = QLatin1Char(a[i]);
    }
}

void QAbstractConcatenable::convertToAscii(const QChar* a, int len, char*& out) 
{
#ifndef QT_NO_TEXTCODEC
    if (QString::codecForCStrings) {
        QByteArray tmp = QString::codecForCStrings->fromUnicode(a, len);
        memcpy(out, tmp.constData(), tmp.size());
        out += tmp.length();
        return;
    }
#endif
    if (len == -1) {
        while (a->unicode())
            convertToLatin1(*a++, out);
    } else {
        for (int i = 0; i < len; ++i)
            convertToLatin1(a[i], out);
    }
}


QT_END_NAMESPACE