qtextstream.cpp File Reference

#include "qtextstream.h"
#include "qbuffer.h"
#include "qfile.h"
#include "qnumeric.h"
#include "qtextcodec.h"
#include "private/qlocale_p.h"
#include <stdlib.h>
#include <limits.h>
#include <new>
#include "qtextstream.moc"

Go to the source code of this file.

Classes
class	QDeviceClosedNotifier
class	QTextStreamPrivate

Macros
#define	CHECK_VALID_STREAM(x)
#define	IMPLEMENT_STREAM_RIGHT_INT_OPERATOR(type)
#define	IMPLEMENT_STREAM_RIGHT_REAL_OPERATOR(type)
#define	Q_VOID

Functions
static void	copyConverterStateHelper (QTextCodec::ConverterState *dest, const QTextCodec::ConverterState *src)
static void	resetCodecConverterStateHelper (QTextCodec::ConverterState *state)

Variables
static const int	QTEXTSTREAM_BUFFERSIZE = 16384

Macro Definition Documentation

CHECK_VALID_STREAM

#define CHECK_VALID_STREAM

(

x

)

Value:

do { \
    if (!d->string && !d->device) { \
        qWarning("QTextStream: No device"); \
        return x; \
    } } while (0)

Definition at line 295 of file qtextstream.cpp.

Referenced by QTextStream::atEnd(), QTextStream::operator<<(), QTextStream::operator>>(), QTextStream::read(), QTextStream::readAll(), QTextStream::readLine(), and QTextStream::skipWhiteSpace().

IMPLEMENT_STREAM_RIGHT_INT_OPERATOR

#define IMPLEMENT_STREAM_RIGHT_INT_OPERATOR

(

type

)

Value:

do { \
    Q_D(QTextStream); \
    CHECK_VALID_STREAM(*this); \
    qulonglong tmp; \
    switch (d->getNumber(&tmp)) { \
    case QTextStreamPrivate::npsOk: \
        i = (type)tmp; \
        break; \
    case QTextStreamPrivate::npsMissingDigit: \
    case QTextStreamPrivate::npsInvalidPrefix: \
        i = (type)0; \
        setStatus(atEnd() ? QTextStream::ReadPastEnd : QTextStream::ReadCorruptData); \
        break; \
    } \
    return *this; } while (0)

Definition at line 302 of file qtextstream.cpp.

Referenced by QTextStream::operator>>().

IMPLEMENT_STREAM_RIGHT_REAL_OPERATOR

#define IMPLEMENT_STREAM_RIGHT_REAL_OPERATOR

(

type

)

Value:

do { \
    Q_D(QTextStream); \
    CHECK_VALID_STREAM(*this); \
    double tmp; \
    if (d->getReal(&tmp)) { \
        f = (type)tmp; \
    } else { \
        f = (type)0; \
        setStatus(atEnd() ? QTextStream::ReadPastEnd : QTextStream::ReadCorruptData); \
    } \
    return *this; } while (0)

Definition at line 318 of file qtextstream.cpp.

Referenced by QTextStream::operator>>().

Q_VOID

#define Q_VOID

Definition at line 294 of file qtextstream.cpp.

Referenced by QTextStream::skipWhiteSpace().

Function Documentation

copyConverterStateHelper()

static void copyConverterStateHelper ( QTextCodec::ConverterState *  dest, const QTextCodec::ConverterState *  src  )

static

Definition at line 482 of file qtextstream.cpp.

Referenced by QTextStreamPrivate::restoreToSavedConverterState(), and QTextStreamPrivate::saveConverterState().

{
    // ### QTextCodec::ConverterState's copy constructors and assignments are
    // private. This function copies the structure manually.
    Q_ASSERT(!src->d);
    dest->flags = src->flags;
    dest->invalidChars = src->invalidChars;
    dest->state_data[0] = src->state_data[0];
    dest->state_data[1] = src->state_data[1];
    dest->state_data[2] = src->state_data[2];
}

resetCodecConverterStateHelper()

static void resetCodecConverterStateHelper ( QTextCodec::ConverterState *  state )

static

Definition at line 476 of file qtextstream.cpp.

Referenced by QTextStream::locale(), QTextStreamPrivate::reset(), QTextStreamPrivate::restoreToSavedConverterState(), and QTextStream::seek().

{
    state->~ConverterState();
    new (state) QTextCodec::ConverterState;
}

Variable Documentation

QTEXTSTREAM_BUFFERSIZE

const int QTEXTSTREAM_BUFFERSIZE = 16384

static

Definition at line 43 of file qtextstream.cpp.

Referenced by QTextStreamPrivate::consume(), QTextStreamPrivate::fillReadBuffer(), and QTextStreamPrivate::write().