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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // Copyright (C) 2016 Intel Corporation.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:header-decls-only
++
++ #ifndef QTEXTSTREAM_P_H
++ #define QTEXTSTREAM_P_H
++
++ //
++ // 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.
++ //
++
++ #include <QtCore/private/qglobal_p.h>
++ #include <QtCore/qstringconverter.h>
++ #include <QtCore/qiodevice.h>
++ #include <QtCore/qlocale.h>
++ #include "qtextstream.h"
++
++ QT_BEGIN_NAMESPACE
++
++ class QTextStreamPrivate
++ {
++ Q_DECLARE_PUBLIC(QTextStream)
++ public:
++ // streaming parameters
++ class Params
++ {
++ public:
++ void reset();
++
++ // As for QString, QLocale functions taking these: the values of
++ // precision, base and width can't sensibly need even eight bits, so
++ // there's no sense expanding beyond int.
++ int realNumberPrecision;
++ int integerBase;
++ int fieldWidth;
++ QChar padChar;
++ QTextStream::FieldAlignment fieldAlignment;
++ QTextStream::RealNumberNotation realNumberNotation;
++ QTextStream::NumberFlags numberFlags;
++ };
++
++ QTextStreamPrivate(QTextStream *q_ptr);
++ ~QTextStreamPrivate();
++ void reset();
++
++ inline void setupDevice(QIODevice *device);
++ inline void disconnectFromDevice();
++
++ // device
++ QIODevice *device;
++ #ifndef QT_NO_QOBJECT
++ QMetaObject::Connection aboutToCloseConnection;
++ #endif
++
++ // string
++ QString *string;
++ qsizetype stringOffset;
++ QIODevice::OpenMode stringOpenMode;
++
++ QStringConverter::Encoding encoding = QStringConverter::Utf8;
++ QStringEncoder fromUtf16;
++ QStringDecoder toUtf16;
++ QStringDecoder savedToUtf16;
++
++ QString writeBuffer;
++ QString readBuffer;
++ qsizetype readBufferOffset;
++ qsizetype readConverterSavedStateOffset; //the offset between readBufferStartDevicePos and that start of the buffer
++ qint64 readBufferStartDevicePos;
++
++ Params params;
++
++ // status
++ QTextStream::Status status;
++ QLocale locale;
++ QTextStream *q_ptr;
++
++ qsizetype lastTokenSize;
++ bool deleteDevice;
++ bool autoDetectUnicode;
++ bool hasWrittenData = false;
++ bool generateBOM = false;
++
++ // i/o
++ enum TokenDelimiter {
++ Space,
++ NotSpace,
++ EndOfLine
++ };
++
++ QString read(qsizetype maxlen);
++ bool scan(const QChar **ptr, qsizetype *tokenLength,
++ qsizetype maxlen, TokenDelimiter delimiter);
++ inline const QChar *readPtr() const;
++ inline void consumeLastToken();
++ inline void consume(qsizetype nchars);
++ void saveConverterState(qint64 newPos);
++ void restoreToSavedConverterState();
++
++ // Return value type for getNumber()
++ enum NumberParsingStatus {
++ npsOk,
++ npsMissingDigit,
++ npsInvalidPrefix
++ };
++
++ inline bool getChar(QChar *ch);
++ inline void ungetChar(QChar ch);
++ NumberParsingStatus getNumber(qulonglong *l);
++ bool getReal(double *f);
++
++ void write(QStringView data);
++ void write(QChar ch);
++ void write(QLatin1StringView data);
++ void writePadding(qsizetype len);
++
++ enum class PutStringMode : bool { String, Number };
++ void putString(QStringView string, PutStringMode = PutStringMode::String);
++ void putString(QLatin1StringView data, PutStringMode = PutStringMode::String);
++ void putString(QUtf8StringView data, PutStringMode = PutStringMode::String);
++
++ inline void putChar(QChar ch);
++ void putNumber(qulonglong number, bool negative);
++
++ struct PaddingResult {
++ qsizetype left, right;
++ };
++ PaddingResult padding(qsizetype len) const;
++
++ // buffers
++ bool fillReadBuffer(qint64 maxBytes = -1);
++ void resetReadBuffer();
++ void flushWriteBuffer();
++
++ private:
++ template <typename Appendable>
++ void writeImpl(Appendable data);
++ template <typename StringView>
++ void putStringImpl(StringView view, PutStringMode mode);
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QTEXTSTREAM_P_H