File: qiodevice.sip

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// qiodevice.sip generated by MetaSIP on Sat Jul 15 18:43:36 2006
//
// This file is part of the QtCore Python extension module.
//
// Copyright (c) 2006
// 	Riverbank Computing Limited <info@riverbankcomputing.co.uk>
// 
// This file is part of PyQt.
// 
// This copy of PyQt is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2, or (at your option) any later
// version.
// 
// PyQt is supplied in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
// details.
// 
// You should have received a copy of the GNU General Public License along with
// PyQt; see the file LICENSE.  If not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


%ModuleHeaderCode
#include <qiodevice.h>
%End


class QIODevice : QObject
{
%TypeHeaderCode
#include <qiodevice.h>
%End

public:
    enum OpenModeFlag
    {
        NotOpen,
        ReadOnly,
        WriteOnly,
        ReadWrite,
        Append,
        Truncate,
        Text,
        Unbuffered,
    };

    typedef QFlags<QIODevice::OpenModeFlag> OpenMode;
    QIODevice();
    explicit QIODevice(QObject *parent /TransferThis/);
    virtual ~QIODevice();
    QFlags<QIODevice::OpenModeFlag> openMode() const;
    void setTextModeEnabled(bool enabled);
    bool isTextModeEnabled() const;
    bool isOpen() const;
    bool isReadable() const;
    bool isWritable() const;
    virtual bool isSequential() const;
    virtual bool open(QFlags<QIODevice::OpenModeFlag> mode) /ReleaseGIL/;
    virtual void close() /ReleaseGIL/;
    virtual qint64 pos() const;
    virtual qint64 size() const;
    virtual bool seek(qint64 pos) /ReleaseGIL/;
    virtual bool atEnd() const;
    virtual bool reset();
    virtual qint64 bytesAvailable() const;
    virtual qint64 bytesToWrite() const;
    SIP_PYOBJECT read(qint64 maxlen) /ReleaseGIL/;
%MethodCode
        // Return the data read or None if there was an error.
        char *s;
        
        if ((s = (char *)sipMalloc(a0)) == NULL)
            sipIsErr = 1;
        else
        {
            qint64 len;
        
            Py_BEGIN_ALLOW_THREADS
            len = sipCpp->read(s, a0);
            Py_END_ALLOW_THREADS
        
            if (len < 0)
            {
                sipFree((ANY *)s);
        
                Py_INCREF(Py_None);
                sipRes = Py_None;
            }
            else
            {
                sipRes = PyString_FromStringAndSize(s, len);
        
                sipFree((ANY *)s);
        
                if (sipRes == NULL)
                    sipIsErr = 1;
            }
        }
%End

    QByteArray readAll() /ReleaseGIL/;
    SIP_PYOBJECT readLine(qint64 maxlen=0) /ReleaseGIL/;
%MethodCode
        // The two C++ overloads would have the same Python signature so we get most of
        // the combined functionality by treating an argument of 0 (the default) as
        // meaning return a QByteArray of any length.  Otherwise it is treated as a
        // maximum buffer size and a Python string is returned.
        if (a0 == 0)
        {
            QByteArray *ba;
        
            Py_BEGIN_ALLOW_THREADS
            ba = new QByteArray(sipCpp->readLine(a0));
            Py_END_ALLOW_THREADS
        
            sipRes = sipBuildResult(&sipIsErr, "B", ba, sipClass_QByteArray, 0);
        }
        else
        {
            char *s;
        
            if ((s = (char *)sipMalloc(a0)) == NULL)
                sipIsErr = 1;
            else
            {
                qint64 len;
        
                Py_BEGIN_ALLOW_THREADS
                len = sipCpp->readLine(s, a0);
                Py_END_ALLOW_THREADS
        
                if (len < 0)
                {
                    sipFree((ANY *)s);
        
                    Py_INCREF(Py_None);
                    sipRes = Py_None;
                }
                else
                {
                    sipRes = PyString_FromStringAndSize(s, len);
        
                    sipFree((ANY *)s);
        
                    if (sipRes == NULL)
                        sipIsErr = 1;
                }
            }
        }
%End

    virtual bool canReadLine() const;
    QByteArray peek(qint64 maxlen) /ReleaseGIL/;
    qint64 write(const QByteArray &data) /ReleaseGIL/;
    virtual bool waitForReadyRead(int msecs) /ReleaseGIL/;
    virtual bool waitForBytesWritten(int msecs) /ReleaseGIL/;
    void ungetChar(char c);
    bool putChar(char c);
    bool getChar(char *c /Out/);
    QString errorString() const;

signals:
    void readyRead();
    void bytesWritten(qint64 bytes);
    void aboutToClose();

protected:
    virtual SIP_PYOBJECT readData(qint64 maxlen) = 0 /ReleaseGIL/ [qint64 (char *data, qint64 maxlen)];
%MethodCode
        // Return the data read or None if there was an error.
        char *s;
        
        if ((s = (char *)sipMalloc(a0)) == NULL)
            sipIsErr = 1;
        else
        {
            qint64 len;
        
            Py_BEGIN_ALLOW_THREADS
            len = sipCpp->sipProtect_readData(s, a0);
            Py_END_ALLOW_THREADS
        
            if (len < 0)
            {
                sipFree((ANY *)s);
        
                Py_INCREF(Py_None);
                sipRes = Py_None;
            }
            else
            {
                sipRes = PyString_FromStringAndSize(s, len);
        
                sipFree((ANY *)s);
        
                if (sipRes == NULL)
                    sipIsErr = 1;
            }
        }
%End

%VirtualCatcherCode
        PyObject *result = sipCallMethod(&sipIsErr, sipMethod, "n", a1);
        
        if (result != NULL)
        {
            PyObject *buf;
        
            sipParseResult(&sipIsErr, sipMethod, result, "O", &buf);
        
            if (buf == Py_None)
                sipRes = -1L;
            else if (!PyString_Check(buf))
            {
                sipBadCatcherResult(sipMethod);
                sipIsErr = 1;
            }
            else
            {
                memcpy(a0, PyString_AS_STRING(buf), PyString_GET_SIZE(buf));
                sipRes = PyString_GET_SIZE(buf);
            }
        
            Py_DECREF(buf);
            Py_DECREF(result);
        }
%End

    virtual SIP_PYOBJECT readLineData(qint64 maxlen) /ReleaseGIL/ [qint64 (char *data, qint64 maxlen)];
%MethodCode
        // Return the data read or None if there was an error.
        char *s;
        
        if ((s = (char *)sipMalloc(a0)) == NULL)
            sipIsErr = 1;
        else
        {
            qint64 len;
        
            Py_BEGIN_ALLOW_THREADS
            len = sipCpp->sipProtectVirt_readLineData(sipSelfWasArg, s, a0);
            Py_END_ALLOW_THREADS
        
            if (len < 0)
            {
                sipFree((ANY *)s);
        
                Py_INCREF(Py_None);
                sipRes = Py_None;
            }
            else
            {
                sipRes = PyString_FromStringAndSize(s, len);
        
                sipFree((ANY *)s);
        
                if (sipRes == NULL)
                    sipIsErr = 1;
            }
        }
%End

%VirtualCatcherCode
        PyObject *result = sipCallMethod(&sipIsErr, sipMethod, "n", a1);
        
        if (result != NULL)
        {
            PyObject *buf;
        
            sipParseResult(&sipIsErr, sipMethod, result, "O", &buf);
        
            if (buf == Py_None)
                sipRes = -1L;
            else if (!PyString_Check(buf))
            {
                sipBadCatcherResult(sipMethod);
                sipIsErr = 1;
            }
            else
            {
                memcpy(a0, PyString_AS_STRING(buf), PyString_GET_SIZE(buf));
                sipRes = PyString_GET_SIZE(buf);
            }
        
            Py_DECREF(buf);
            Py_DECREF(result);
        }
%End

    virtual qint64 writeData(const char *data /Array/, qint64 len /ArraySize/) = 0;
    void setOpenMode(QFlags<QIODevice::OpenModeFlag> openMode);
    void setErrorString(const QString &errorString);

private:
    QIODevice(const QIODevice &);
};

QFlags<QIODevice::OpenModeFlag> operator|(QIODevice::OpenModeFlag f1, QFlags<QIODevice::OpenModeFlag> f2);
QFlags<QIODevice::OpenModeFlag> operator|(QIODevice::OpenModeFlag f1, QIODevice::OpenModeFlag f2);