KWBuffer Class Reference

#include </home/clem/local/src/opie/noncore/apps/tinykate/libkate/document/katebuffer.h>

Collaboration diagram for KWBuffer:

[legend]List of all members.

Signals
void	textChanged ()
void	linesChanged (int lines)
void	needHighlight (long, long)
Public Member Functions
	KWBuffer ()
void	insertFile (int line, const QString &file, QTextCodec *codec)
void	insertData (int line, const QByteArray &data, QTextCodec *codec)
int	count ()
TextLine::Ptr	line (int i)
void	insertLine (int i, TextLine::Ptr line)
void	removeLine (int i)
void	changeLine (int i)
void	clear ()
Protected Slots
void	slotLoadFile ()
Protected Member Functions
void	loadBlock (KWBufBlock *buf)
void	parseBlock (KWBufBlock *buf)
void	dirtyBlock (KWBufBlock *buf)
KWBufBlock *	findBlock (int i)
void	loadFilePart ()
void	seek (int i)
Protected Attributes
TextLine::List	m_stringList
TextLine::List::Iterator	m_stringListIt
int	m_stringListCurrent
int	m_lineCount

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Detailed Description

The KWBuffer class maintains a collections of lines. It allows to maintain state information in a lazy way. It handles swapping out of data using secondary storage.

It is designed to handle large amounts of text-data efficiently with respect to CPU and memory usage.

Author:

Waldo Bastian <bastian@kde.org>

Definition at line 44 of file katebuffer.h.

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Constructor & Destructor Documentation

KWBuffer::KWBuffer (   )

Create an empty buffer. Definition at line 48 of file katebuffer.cpp. References clear().

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Member Function Documentation

void KWBuffer::changeLine (  int  i  )

Change line i Definition at line 177 of file katebuffer.cpp. Referenced by KateDocument::doDelLine(), KateDocument::doNewLine(), KateDocument::doReplace(), KateDocument::doWordUnWrap(), KateDocument::doWordWrap(), and KateDocument::recordReplace().

void KWBuffer::clear (   )

Clear the buffer. Definition at line 54 of file katebuffer.cpp. References FastValueList< T >::append(), QValueList< T >::clear(), m_lineCount, m_stringList, m_stringListCurrent, and m_stringListIt. Referenced by KateDocument::clear(), insertFile(), KWBuffer(), and KateDocument::openURL().

int KWBuffer::count (   )

Return the total number of lines in the buffer. Definition at line 123 of file katebuffer.cpp. References QValueList< T >::count(), m_lineCount, m_stringList, odebug, and oendl. Referenced by insertFile(), and KateDocument::numLines().

void KWBuffer::dirtyBlock (  KWBufBlock *  buf  )  [protected]

Mark buf dirty.

KWBufBlock* KWBuffer::findBlock (  int  i  )  [protected]

Find the block containing line i

void KWBuffer::insertData (  int  line, const QByteArray &  data, QTextCodec *  codec )

Insert a block of data at line line in the buffer. Using codec to decode the file. Definition at line 107 of file katebuffer.cpp.

void KWBuffer::insertFile (  int  line, const QString &  file, QTextCodec *  codec )

Insert a file at line line in the buffer. Using codec to decode the file. Definition at line 67 of file katebuffer.cpp. References FastValueList< T >::append(), clear(), count(), IO_ReadOnly, QString::length(), m_lineCount, m_stringList, m_stringListCurrent, m_stringListIt, QString::null, odebug, oendl, QFile::open(), QTextStream::readLine(), QTextStream::setCodec(), stream, and QString::unicode(). Referenced by KateDocument::openURL().

void KWBuffer::insertLine (  int  i, TextLine::Ptr  line )

Insert line in front of line i Definition at line 158 of file katebuffer.cpp. References FastValueList< T >::insert(), m_lineCount, m_stringList, m_stringListCurrent, m_stringListIt, and seek(). Referenced by KateDocument::doInsLine(), KateDocument::doNewLine(), KateDocument::insert_Line(), KateDocument::setText(), and KateDocument::wrapText().

TextLine::Ptr KWBuffer::line (  int  i  )

Return line i Definition at line 150 of file katebuffer.cpp. References QValueList< T >::count(), m_stringList, m_stringListIt, and seek(). Referenced by KateDocument::clear(), KateDocument::getTextLine(), KateDocument::setTabWidth(), KateDocument::setText(), KateDocument::text(), and KateDocument::updateLines().

void KWBuffer::linesChanged (  int  lines  )  [signal]

Emitted during loading. Referenced by slotLoadFile().

void KWBuffer::loadBlock (  KWBufBlock *  buf  )  [protected]

Make sure buf gets loaded.

void KWBuffer::loadFilePart (   )  [protected]

Load a part of the file that is currently loading. Definition at line 101 of file katebuffer.cpp. Referenced by slotLoadFile().

void KWBuffer::needHighlight (  long  , long  )  [signal]

void KWBuffer::parseBlock (  KWBufBlock *  buf  )  [protected]

Make sure buf gets parsed.

void KWBuffer::removeLine (  int  i  )

Remove line i Definition at line 168 of file katebuffer.cpp. References m_lineCount, m_stringList, m_stringListCurrent, m_stringListIt, FastValueList< T >::remove(), and seek(). Referenced by KateDocument::doDelLine(), KateDocument::doKillLine(), and KateDocument::remove_Line().

void KWBuffer::seek (  int  i  )  [protected]

Definition at line 132 of file katebuffer.cpp. References m_stringListCurrent, and m_stringListIt. Referenced by insertLine(), line(), and removeLine().

void KWBuffer::slotLoadFile (   )  [protected, slot]

Definition at line 112 of file katebuffer.cpp. References linesChanged(), and loadFilePart().

void KWBuffer::textChanged (   )  [signal]

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Member Data Documentation

int KWBuffer::m_lineCount [protected]

Definition at line 137 of file katebuffer.h. Referenced by clear(), count(), insertFile(), insertLine(), and removeLine().

TextLine::List KWBuffer::m_stringList [protected]

Definition at line 134 of file katebuffer.h. Referenced by clear(), count(), insertFile(), insertLine(), line(), and removeLine().

int KWBuffer::m_stringListCurrent [protected]

Definition at line 136 of file katebuffer.h. Referenced by clear(), insertFile(), insertLine(), removeLine(), and seek().

TextLine::List::Iterator KWBuffer::m_stringListIt [protected]

Definition at line 135 of file katebuffer.h. Referenced by clear(), insertFile(), insertLine(), line(), removeLine(), and seek().

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

• noncore/apps/tinykate/libkate/document/katebuffer.h
• noncore/apps/tinykate/libkate/document/katebuffer.cpp

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