QGStringBuffer Class Reference

Inheritance diagram for QGStringBuffer:

Public Member Functions
	QGStringBuffer (QGString *str)
	~QGStringBuffer ()
bool	open (int m)
void	close ()
void	flush ()
uint	size () const
int	at () const
bool	at (int pos)
int	readBlock (char *, uint)
int	writeBlock (const char *p, uint len)
int	getch ()
int	putch (int ch)
int	ungetch (int)

Protected Attributes
QGString *	m_str

Private Member Functions
	QGStringBuffer (const QGStringBuffer &)
QGStringBuffer &	operator= (const QGStringBuffer &)

Detailed Description

Definition at line 6 of file ftextstream.cpp.

Constructor & Destructor Documentation

QGStringBuffer::QGStringBuffer

(

QGString *

str

)

Definition at line 31 of file ftextstream.cpp.

                                              : m_str(str)
{
  //printf("QGStringBuffer::QGStringBuffer(%p)\n",str);
}

QGStringBuffer::~QGStringBuffer

(

)

Definition at line 36 of file ftextstream.cpp.

{
}

QGStringBuffer::QGStringBuffer ( const QGStringBuffer &  )

private

Member Function Documentation

int QGStringBuffer::at

(

)

const

Definition at line 92 of file ftextstream.cpp.

{
  return ioIndex;
}

bool QGStringBuffer::at

(

int

pos

)

Definition at line 97 of file ftextstream.cpp.

References m_str.

{
#if defined(CHECK_STATE)
  if ( !isOpen() ) 
  {
    qWarning( "QGStringBuffer::at: Buffer is not open" );
    return FALSE;
  }
#endif
  if ( (uint)pos >= m_str->length() ) 
  {
#if defined(CHECK_RANGE)
    qWarning( "QGStringBuffer::at: Index %d out of range", pos );
#endif
    return FALSE;
  }

  ioIndex = pos;
  return TRUE;
}

void QGStringBuffer::close

(

)

Definition at line 74 of file ftextstream.cpp.

{
  if ( isOpen() ) 
  {
    setFlags( IO_Direct );
    ioIndex = 0;
  }
}

void QGStringBuffer::flush

(

)

Definition at line 83 of file ftextstream.cpp.

{
}

int QGStringBuffer::getch ( )

inline

Definition at line 19 of file ftextstream.cpp.

{ return -1; }

bool QGStringBuffer::open

(

int

m

)

Definition at line 40 of file ftextstream.cpp.

References m_str.

{
    if ( !m_str ) 
    {
#if defined(CHECK_STATE)
    qWarning( "QGStringBuffer::open: No string" );
#endif
    return FALSE;
    }
    if ( isOpen() ) 
    {                           // buffer already open
#if defined(CHECK_STATE)
    qWarning( "QGStringBuffer::open: Buffer already open" );
#endif
    return FALSE;
    }
    setMode( m );
    if ( m & IO_Truncate ) 
    {                    // truncate buffer
    m_str->truncate( 0 );
    }
    if ( m & IO_Append ) 
    {                      // append to end of buffer
    ioIndex = m_str->length();
    } 
    else 
    {
    ioIndex = 0;
    }
    setState( IO_Open );
    setStatus( 0 );
    return TRUE;
}

QGStringBuffer& QGStringBuffer::operator= ( const QGStringBuffer &  )

private

int QGStringBuffer::putch

(

int

ch

)

Definition at line 130 of file ftextstream.cpp.

References m_str.

{
  //printf("QGStringBuffer::putch(%d) m_str=%p ioIndex=%d\n",
  //    ch,m_str,ioIndex);
  m_str->enlarge(ioIndex+2);
  m_str->data()[ioIndex] = (char)ch;
  ioIndex++;
  m_str->data()[ioIndex] = '\0';
  m_str->setLen(ioIndex);
  return ch;
}

int QGStringBuffer::readBlock ( char *  , uint    )

inline

Definition at line 17 of file ftextstream.cpp.

{ return -1; }

uint QGStringBuffer::size

(

)

const

Definition at line 87 of file ftextstream.cpp.

References m_str.

{
  return m_str ? m_str->length() : 0;
}

int QGStringBuffer::ungetch ( int  )

inline

Definition at line 21 of file ftextstream.cpp.

{ return -1; }

int QGStringBuffer::writeBlock	(	const char *	p,
		uint	len
	)

Definition at line 118 of file ftextstream.cpp.

References m_str.

{
  //printf("QGStringBuffer::writeBlock(%p,%d) m_str=%p ioIndex=%d\n",p,len,
  //    m_str,ioIndex);
  m_str->enlarge(ioIndex+len+1);
  memcpy(m_str->data()+ioIndex,p,len);
  ioIndex+=len;
  m_str->data()[ioIndex]='\0';
  m_str->setLen(ioIndex);
  return len;
}

Member Data Documentation

QGString* QGStringBuffer::m_str

protected

Definition at line 24 of file ftextstream.cpp.

Referenced by at(), open(), putch(), size(), and writeBlock().

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The documentation for this class was generated from the following file:

• ftextstream.cpp