| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** Commercial License Usage |
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| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 2.1 or version 3 as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.LGPLv21 and |
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| ** |
| ** As a special exception, The Qt Company gives you certain additional |
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| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #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 "qtextstream.h" |
| #ifndef QT_NO_TEXTCODEC |
| #include "qtextcodec.h" |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| #ifndef QT_NO_QOBJECT |
| class QDeviceClosedNotifier : public QObject |
| { |
| Q_OBJECT |
| public: |
| inline QDeviceClosedNotifier() |
| { } |
| |
| inline void setupDevice(QTextStream *stream, QIODevice *device) |
| { |
| disconnect(); |
| if (device) |
| connect(device, SIGNAL(aboutToClose()), this, SLOT(flushStream())); |
| this->stream = stream; |
| } |
| |
| public Q_SLOTS: |
| inline void flushStream() { stream->flush(); } |
| |
| private: |
| QTextStream *stream; |
| }; |
| #endif |
| |
| class QTextStreamPrivate |
| { |
| Q_DECLARE_PUBLIC(QTextStream) |
| public: |
| // streaming parameters |
| class Params |
| { |
| public: |
| void reset(); |
| |
| int realNumberPrecision; |
| int integerBase; |
| int fieldWidth; |
| QChar padChar; |
| QTextStream::FieldAlignment fieldAlignment; |
| QTextStream::RealNumberNotation realNumberNotation; |
| QTextStream::NumberFlags numberFlags; |
| }; |
| |
| QTextStreamPrivate(QTextStream *q_ptr); |
| ~QTextStreamPrivate(); |
| void reset(); |
| |
| // device |
| QIODevice *device; |
| #ifndef QT_NO_QOBJECT |
| QDeviceClosedNotifier deviceClosedNotifier; |
| #endif |
| |
| // string |
| QString *string; |
| int stringOffset; |
| QIODevice::OpenMode stringOpenMode; |
| |
| #ifndef QT_NO_TEXTCODEC |
| // codec |
| QTextCodec *codec; |
| QTextCodec::ConverterState readConverterState; |
| QTextCodec::ConverterState writeConverterState; |
| QTextCodec::ConverterState *readConverterSavedState; |
| #endif |
| |
| QString writeBuffer; |
| QString readBuffer; |
| int readBufferOffset; |
| int readConverterSavedStateOffset; //the offset between readBufferStartDevicePos and that start of the buffer |
| qint64 readBufferStartDevicePos; |
| |
| Params params; |
| |
| // status |
| QTextStream::Status status; |
| QLocale locale; |
| QTextStream *q_ptr; |
| |
| int lastTokenSize; |
| bool deleteDevice; |
| #ifndef QT_NO_TEXTCODEC |
| bool autoDetectUnicode; |
| #endif |
| |
| // i/o |
| enum TokenDelimiter { |
| Space, |
| NotSpace, |
| EndOfLine |
| }; |
| |
| QString read(int maxlen); |
| bool scan(const QChar **ptr, int *tokenLength, |
| int maxlen, TokenDelimiter delimiter); |
| inline const QChar *readPtr() const; |
| inline void consumeLastToken(); |
| inline void consume(int 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); |
| |
| inline void write(const QString &data) { write(data.begin(), data.length()); } |
| inline void write(QChar ch); |
| void write(const QChar *data, int len); |
| inline void putString(const QString &ch, bool number = false) { putString(ch.constData(), ch.length(), number); } |
| void putString(const QChar *data, int len, bool number = false); |
| inline void putChar(QChar ch); |
| void putNumber(qulonglong number, bool negative); |
| |
| // buffers |
| bool fillReadBuffer(qint64 maxBytes = -1); |
| void resetReadBuffer(); |
| void flushWriteBuffer(); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QTEXTSTREAM_P_H |