| -rw-r--r-- | qmake/tools/qdatastream.cpp | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/qmake/tools/qdatastream.cpp b/qmake/tools/qdatastream.cpp index 9c573c7..51a1448 100644 --- a/qmake/tools/qdatastream.cpp +++ b/qmake/tools/qdatastream.cpp @@ -497,528 +497,542 @@ static Q_INT32 read_int_ascii( QDataStream *s ) */ QDataStream &QDataStream::operator>>( Q_INT8 &i ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data i = (Q_INT8)dev->getch(); if ( i == '\\' ) { // read octal code char buf[4]; dev->readBlock( buf, 3 ); i = (buf[2] & 0x07)+((buf[1] & 0x07) << 3)+((buf[0] & 0x07) << 6); } } else { // data or text i = (Q_INT8)dev->getch(); } return *this; } /*! \overload QDataStream &QDataStream::operator>>( Q_UINT16 &i ) Reads an unsigned 16-bit integer from the stream into \a i, and returns a reference to the stream. */ /*! \overload Reads a signed 16-bit integer from the stream into \a i, and returns a reference to the stream. */ QDataStream &QDataStream::operator>>( Q_INT16 &i ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data i = (Q_INT16)read_int_ascii( this ); } else if ( noswap ) { // no conversion needed dev->readBlock( (char *)&i, sizeof(Q_INT16) ); } else { // swap bytes register uchar *p = (uchar *)(&i); char b[2]; dev->readBlock( b, 2 ); *p++ = b[1]; *p = b[0]; } return *this; } /*! \overload QDataStream &QDataStream::operator>>( Q_UINT32 &i ) Reads an unsigned 32-bit integer from the stream into \a i, and returns a reference to the stream. */ /*! \overload Reads a signed 32-bit integer from the stream into \a i, and returns a reference to the stream. */ QDataStream &QDataStream::operator>>( Q_INT32 &i ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data i = read_int_ascii( this ); } else if ( noswap ) { // no conversion needed dev->readBlock( (char *)&i, sizeof(Q_INT32) ); } else { // swap bytes uchar *p = (uchar *)(&i); char b[4]; dev->readBlock( b, 4 ); *p++ = b[3]; *p++ = b[2]; *p++ = b[1]; *p = b[0]; } return *this; } /*! \overload QDataStream &QDataStream::operator>>( Q_ULONG &i ) Reads an unsigned integer of the system's word length from the stream, into \a i, and returns a reference to the stream. */ /*! \overload Reads a signed integer of the system's word length from the stream into \a i, and returns a reference to the stream. */ QDataStream &QDataStream::operator>>( Q_LONG &i ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data i = read_int_ascii( this ); } else if ( noswap ) { // no conversion needed dev->readBlock( (char *)&i, sizeof(Q_LONG) ); } else { // swap bytes register uchar *p = (uchar *)(&i); char b[sizeof(Q_LONG)]; dev->readBlock( b, sizeof(Q_LONG) ); for ( int j = sizeof(Q_LONG); j; ) *p++ = b[--j]; } return *this; } static double read_double_ascii( QDataStream *s ) { register int n = 0; char buf[80]; for ( ;; ) { buf[n] = s->device()->getch(); if ( buf[n] == '\n' || n > 78 ) // $-terminator break; n++; } buf[n] = '\0'; return atof( buf ); } /*! \overload Reads a 32-bit floating point number from the stream into \a f, using the standard IEEE754 format. Returns a reference to the stream. */ QDataStream &QDataStream::operator>>( float &f ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data f = (float)read_double_ascii( this ); } else if ( noswap ) { // no conversion needed dev->readBlock( (char *)&f, sizeof(float) ); } else { // swap bytes uchar *p = (uchar *)(&f); char b[4]; dev->readBlock( b, 4 ); *p++ = b[3]; *p++ = b[2]; *p++ = b[1]; *p = b[0]; } return *this; } /*! \overload Reads a 64-bit floating point number from the stream into \a f, using the standard IEEE754 format. Returns a reference to the stream. */ QDataStream &QDataStream::operator>>( double &f ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data f = read_double_ascii( this ); } else if ( noswap ) { // no conversion needed dev->readBlock( (char *)&f, sizeof(double) ); } else { // swap bytes register uchar *p = (uchar *)(&f); char b[8]; dev->readBlock( b, 8 ); *p++ = b[7]; *p++ = b[6]; *p++ = b[5]; *p++ = b[4]; *p++ = b[3]; *p++ = b[2]; *p++ = b[1]; *p = b[0]; } return *this; } /*! \overload Reads the '\0'-terminated string \a s from the stream and returns a reference to the stream. Space for the string is allocated using \c new -- the caller must destroy it with delete[]. */ QDataStream &QDataStream::operator>>( char *&s ) { uint len = 0; return readBytes( s, len ); } /*! Reads the buffer \a s from the stream and returns a reference to the stream. The buffer \a s is allocated using \c new. Destroy it with the \c delete[] operator. If the length is zero or \a s cannot be allocated, \a s is set to 0. The \a l parameter will be set to the length of the buffer. The serialization format is a Q_UINT32 length specifier first, then \a l bytes of data. Note that the data is \e not encoded. \sa readRawBytes(), writeBytes() */ QDataStream &QDataStream::readBytes( char *&s, uint &l ) { CHECK_STREAM_PRECOND Q_UINT32 len; *this >> len; // first read length spec l = (uint)len; if ( len == 0 || eof() ) { s = 0; return *this; } else { s = new char[len]; // create char array Q_CHECK_PTR( s ); if ( !s ) // no memory return *this; return readRawBytes( s, (uint)len ); } } /*! Reads \a len bytes from the stream into \a s and returns a reference to the stream. The buffer \a s must be preallocated. The data is \e not encoded. \sa readBytes(), QIODevice::readBlock(), writeRawBytes() */ QDataStream &QDataStream::readRawBytes( char *s, uint len ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data register Q_INT8 *p = (Q_INT8*)s; - while ( len-- ) - *this >> *p++; + if ( version() < 4 ) { + while ( len-- ) { + Q_INT32 tmp; + *this >> tmp; + *p++ = tmp; + } + } else { + while ( len-- ) + *this >> *p++; + } } else { // read data char array dev->readBlock( s, len ); } return *this; } /***************************************************************************** QDataStream write functions *****************************************************************************/ /*! \overload QDataStream &QDataStream::operator<<( Q_UINT8 i ) Writes an unsigned byte, \a i, to the stream and returns a reference to the stream. */ /*! Writes a signed byte, \a i, to the stream and returns a reference to the stream. */ QDataStream &QDataStream::operator<<( Q_INT8 i ) { CHECK_STREAM_PRECOND if ( printable && (i == '\\' || !isprint((uchar) i)) ) { char buf[6]; // write octal code buf[0] = '\\'; buf[1] = '0' + ((i >> 6) & 0x07); buf[2] = '0' + ((i >> 3) & 0x07); buf[3] = '0' + (i & 0x07); buf[4] = '\0'; dev->writeBlock( buf, 4 ); } else { dev->putch( i ); } return *this; } /*! \overload QDataStream &QDataStream::operator<<( Q_UINT16 i ) Writes an unsigned 16-bit integer, \a i, to the stream and returns a reference to the stream. */ /*! \overload Writes a signed 16-bit integer, \a i, to the stream and returns a reference to the stream. */ QDataStream &QDataStream::operator<<( Q_INT16 i ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data char buf[16]; sprintf( buf, "%d\n", i ); dev->writeBlock( buf, strlen(buf) ); } else if ( noswap ) { // no conversion needed dev->writeBlock( (char *)&i, sizeof(Q_INT16) ); } else { // swap bytes register uchar *p = (uchar *)(&i); char b[2]; b[1] = *p++; b[0] = *p; dev->writeBlock( b, 2 ); } return *this; } /*! \overload Writes a signed 32-bit integer, \a i, to the stream and returns a reference to the stream. */ QDataStream &QDataStream::operator<<( Q_INT32 i ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data char buf[16]; sprintf( buf, "%d\n", i ); dev->writeBlock( buf, strlen(buf) ); } else if ( noswap ) { // no conversion needed dev->writeBlock( (char *)&i, sizeof(Q_INT32) ); } else { // swap bytes register uchar *p = (uchar *)(&i); char b[4]; b[3] = *p++; b[2] = *p++; b[1] = *p++; b[0] = *p; dev->writeBlock( b, 4 ); } return *this; } /*! \overload QDataStream &QDataStream::operator<<( Q_ULONG i ) Writes an unsigned integer \a i, of the system's word length, to the stream and returns a reference to the stream. */ /*! \overload Writes a signed integer \a i, of the system's word length, to the stream and returns a reference to the stream. */ QDataStream &QDataStream::operator<<( Q_LONG i ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data char buf[20]; sprintf( buf, "%ld\n", i ); dev->writeBlock( buf, strlen(buf) ); } else if ( noswap ) { // no conversion needed dev->writeBlock( (char *)&i, sizeof(Q_LONG) ); } else { // swap bytes register uchar *p = (uchar *)(&i); char b[sizeof(Q_LONG)]; for ( int j = sizeof(Q_LONG); j; ) b[--j] = *p++; dev->writeBlock( b, sizeof(Q_LONG) ); } return *this; } /*! \overload QDataStream &QDataStream::operator<<( Q_UINT32 i ) Writes an unsigned integer, \a i, to the stream as a 32-bit unsigned integer (Q_UINT32). Returns a reference to the stream. */ /*! \overload Writes a 32-bit floating point number, \a f, to the stream using the standard IEEE754 format. Returns a reference to the stream. */ QDataStream &QDataStream::operator<<( float f ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data char buf[32]; sprintf( buf, "%g\n", (double)f ); dev->writeBlock( buf, strlen(buf) ); } else { float g = f; // fixes float-on-stack problem if ( noswap ) { // no conversion needed dev->writeBlock( (char *)&g, sizeof(float) ); } else { // swap bytes register uchar *p = (uchar *)(&g); char b[4]; b[3] = *p++; b[2] = *p++; b[1] = *p++; b[0] = *p; dev->writeBlock( b, 4 ); } } return *this; } /*! \overload Writes a 64-bit floating point number, \a f, to the stream using the standard IEEE754 format. Returns a reference to the stream. */ QDataStream &QDataStream::operator<<( double f ) { CHECK_STREAM_PRECOND if ( printable ) { // printable data char buf[32]; sprintf( buf, "%g\n", f ); dev->writeBlock( buf, strlen(buf) ); } else if ( noswap ) { // no conversion needed dev->writeBlock( (char *)&f, sizeof(double) ); } else { // swap bytes register uchar *p = (uchar *)(&f); char b[8]; b[7] = *p++; b[6] = *p++; b[5] = *p++; b[4] = *p++; b[3] = *p++; b[2] = *p++; b[1] = *p++; b[0] = *p; dev->writeBlock( b, 8 ); } return *this; } /*! \overload Writes the '\0'-terminated string \a s to the stream and returns a reference to the stream. The string is serialized using writeBytes(). */ QDataStream &QDataStream::operator<<( const char *s ) { if ( !s ) { *this << (Q_UINT32)0; return *this; } uint len = qstrlen( s ) + 1; // also write null terminator *this << (Q_UINT32)len; // write length specifier return writeRawBytes( s, len ); } /*! Writes the length specifier \a len and the buffer \a s to the stream and returns a reference to the stream. The \a len is serialized as a Q_UINT32, followed by \a len bytes from \a s. Note that the data is \e not encoded. \sa writeRawBytes(), readBytes() */ QDataStream &QDataStream::writeBytes(const char *s, uint len) { CHECK_STREAM_PRECOND *this << (Q_UINT32)len; // write length specifier if ( len ) writeRawBytes( s, len ); return *this; } /*! Writes \a len bytes from \a s to the stream and returns a reference to the stream. The data is \e not encoded. \sa writeBytes(), QIODevice::writeBlock(), readRawBytes() */ QDataStream &QDataStream::writeRawBytes( const char *s, uint len ) { CHECK_STREAM_PRECOND if ( printable ) { // write printable - register Q_INT8 *p = (Q_INT8*)s; - while ( len-- ) - *this << *p++; + if ( version() < 4 ) { + register char *p = (char *)s; + while ( len-- ) + *this << *p++; + } else { + register Q_INT8 *p = (Q_INT8*)s; + while ( len-- ) + *this << *p++; + } } else { // write data char array dev->writeBlock( s, len ); } return *this; } #endif // QT_NO_DATASTREAM |