teditor::Buffer Class Reference

#include <buffer.h>

Inheritance diagram for teditor::Buffer:

Classes
struct	OpData
	The state before/after applying insertion/deletion operations on the Buffer object. More...
struct	RemovedLine

Public Member Functions
	Buffer (const std::string &name="", bool noUndoRedo=false)
virtual	~Buffer ()
virtual void	insert (char c)
virtual void	insert (const std::string &str)
void	remove (bool removeCurrent=false)
	main remove method More...
std::string	removeAndCopy ()
std::string	removeRegion (const Point &start, const Point &end)
	removes region between start and end More...
std::string	killLine (bool pushToStack=true)
void	sortRegion ()
void	keepRemoveLines (parser::NFA &regex, bool keep)
	Keep/Remove lines that match the input regex. More...
virtual void	clear ()
bool	undo ()
	undo the previous operation More...
bool	redo ()
	redo the previously undid operation. More...
bool	matchCurrentParen ()
	find matching paren at the current location More...
virtual void	load (const std::string &file, int line=0)
int	length () const
Line &	at (int idx)
const Line &	at (int idx) const
Point	buffer2screen (const Point &loc, const Point &start, const Point &dim) const
Point	screen2buffer (const Point &loc, const Point &start, const Point &dim) const
char	charAt (const Point &pos) const
virtual void	draw (Editor &ed, const Window &win)
void	drawPoint (Editor &ed, const AttrColor &bg, const Window &win)
void	startOfLine ()
void	endOfLine ()
void	left ()
void	right ()
void	down ()
void	up ()
void	begin ()
void	end ()
void	pageDown (int ijump)
void	pageUp (int ijump)
void	nextPara ()
void	previousPara ()
void	nextWord ()
void	previousWord ()
void	gotoLine (int lineNum, const Point &dim)
bool	hasPointOn (int line) const
const Point &	getPoint () const
void	setPoint (const Point &p)
bool	isRegionActive () const
std::string	regionAsStr () const
std::string	regionAsStr (const Point &start, const Point &end) const
void	startRegion ()
void	stopRegion ()
const Point &	getRegion () const
int	lengthOf (int i) const
void	indent ()
virtual int	totalLinesNeeded (const Point &dim) const
virtual void	lineUp (const Point &dim)
virtual void	lineDown ()
void	lineReset ()
void	lineEnd (const Point &start, const Point &dim)
virtual bool	save (const std::string &fName="")
const std::string &	bufferName () const
const std::string &	getFileName () const
const std::string &	pwd () const
bool	isRO () const
bool	isModified () const
virtual int	getMinStartLoc () const
std::string	dirModeGetFileAtLine (int line)
void	reload ()
const AttrColor &	getColor (const std::string &name) const
const std::string &	getWord () const
const std::string &	modeName () const
void	makeReadOnly ()
void	setMode (ModePtr m)
template<typename ModeT >
ModeT *	getMode (const std::string &name)
Strings	cmdNames () const

Protected Types
enum	OpType { OpInsert = 0, OpDelete, OpKillLine, OpKeepRemoveLines }
typedef std::vector< RemovedLine >	RemovedLines
typedef std::stack< OpData >	OpStack

Protected Member Functions
void	insertImpl (char c)
void	addLine ()
void	resetBufferState (int line, const std::string &file, bool dir)
KeyCmdMap &	getKeyCmdMap ()
void	loadFile (const std::string &file, int line)
void	loadDir (const std::string &dir)
std::string	removeFrom (const Point &start, const Point &end)
Point	matchCurrentParen (bool &isOpen)
int	dirModeFileOffset () const
void	drawStatusBar (Editor &ed, const Window &win)
virtual int	drawLine (int y, const std::string &line, Editor &ed, int lineNum, const Window &win)
std::string	removeChar ()
std::string	removeCurrentChar ()
void	applyInsertOp (OpData &op, bool pushToStack=true)
	Insert characters into the buffer. More...
void	applyDeleteOp (OpData &op)
	Delete characters/regions from the buffer. More...
void	addLines (const RemovedLines &rlines)
void	removeLines (const RemovedLines &rlines)
void	pushNewOp (OpData &op)
void	clearStack (OpStack &st)

Protected Attributes
std::vector< Line >	lines
int	startLine
bool	modified
bool	readOnly
std::string	buffName
std::string	fileName
std::string	dirName
std::string	tmpFileName
Point	region
ModePtr	mode
Point	cu
int	longestX
OpStack	undoStack
OpStack	redoStack
bool	disableStack

Friends
class	Editor

Detailed Description

Class for representing text files as a vector of lines (aka Buffer)

Member Typedef Documentation

OpStack

typedef std::stack<OpData> teditor::Buffer::OpStack

protected

the stack for undo/redo operations

RemovedLines

typedef std::vector<RemovedLine> teditor::Buffer::RemovedLines

protected

list of removed lines

Member Enumeration Documentation

OpType

enum teditor::Buffer::OpType

protected

the operation type

Enumerator
OpInsert	insertion operation
OpDelete	backspace operation
OpKillLine	deleting the rest of the line
OpKeepRemoveLines	keep/remove lines

Constructor & Destructor Documentation

Buffer()

teditor::Buffer::Buffer	(	const std::string &	name = "",
		bool	noUndoRedo = false
	)

~Buffer()

virtual teditor::Buffer::~Buffer ( )

inlinevirtual

Member Function Documentation

addLine()

void teditor::Buffer::addLine ( )

inlineprotected

bufferName()

const std::string& teditor::Buffer::bufferName ( ) const

inline

charAt()

char teditor::Buffer::charAt

(

const Point &

pos

)

const

returns character at a given buffer location

cmdNames()

Strings teditor::Buffer::cmdNames ( ) const

inline

dirModeFileOffset()

int teditor::Buffer::dirModeFileOffset ( ) const

inlineprotected

dirModeGetFileAtLine()

std::string teditor::Buffer::dirModeGetFileAtLine

(

int

line

)

getColor()

const AttrColor & teditor::Buffer::getColor

(

const std::string &

name

)

const

getFileName()

const std::string& teditor::Buffer::getFileName ( ) const

inline

getKeyCmdMap()

KeyCmdMap& teditor::Buffer::getKeyCmdMap ( )

inlineprotected

getMinStartLoc()

virtual int teditor::Buffer::getMinStartLoc ( ) const

inlinevirtual

Reimplemented in teditor::CmdMsgBar.

getMode()

template<typename ModeT >

ModeT* teditor::Buffer::getMode ( const std::string &  name )

inline

getWord()

const std::string& teditor::Buffer::getWord ( ) const

inline

indent()

void teditor::Buffer::indent

(

)

indent the current line

insertImpl()

void teditor::Buffer::insertImpl ( char  c )

protected

isModified()

bool teditor::Buffer::isModified ( ) const

inline

isRO()

bool teditor::Buffer::isRO ( ) const

inline

length()

int teditor::Buffer::length ( ) const

inline

number of lines in this buffer

lengthOf()

int teditor::Buffer::lengthOf ( int  i ) const

inline

length of a given line in this buffer

lineDown()

void teditor::Buffer::lineDown ( )

virtual

Reimplemented in teditor::CmdMsgBar.

lineEnd()

void teditor::Buffer::lineEnd	(	const Point &	start,
		const Point &	dim
	)

lineReset()

void teditor::Buffer::lineReset ( )

inline

lineUp()

void teditor::Buffer::lineUp ( const Point &  dim )

virtual

Reimplemented in teditor::CmdMsgBar.

load()

void teditor::Buffer::load ( const std::string &  file, int  line = 0  )

virtual

Load a file/dir into the buffer and optionally jump to a line

Reimplemented in teditor::CmdMsgBar.

loadDir()

void teditor::Buffer::loadDir ( const std::string &  dir )

protected

loadFile()

void teditor::Buffer::loadFile ( const std::string &  file, int  line  )

protected

makeReadOnly()

void teditor::Buffer::makeReadOnly

(

)

matchCurrentParen() [1/2]

bool teditor::Buffer::matchCurrentParen

(

)

find matching paren at the current location

Returns

true if open-paren was matched, else false

matchCurrentParen() [2/2]

Point teditor::Buffer::matchCurrentParen ( bool &  isOpen )

protected

modeName()

const std::string& teditor::Buffer::modeName ( ) const

inline

pwd()

const std::string& teditor::Buffer::pwd ( ) const

inline

reload()

void teditor::Buffer::reload

(

)

removeFrom()

std::string teditor::Buffer::removeFrom ( const Point &  start, const Point &  end  )

protected

resetBufferState()

void teditor::Buffer::resetBufferState ( int  line, const std::string &  file, bool  dir  )

protected

save()

bool teditor::Buffer::save ( const std::string &  fName = "" )

virtual

Reimplemented in teditor::CmdMsgBar.

setMode()

void teditor::Buffer::setMode ( ModePtr  m )

inline

totalLinesNeeded()

int teditor::Buffer::totalLinesNeeded ( const Point &  dim ) const

virtual

number of lines needed to draw the currrent buffer in this window

Reimplemented in teditor::CmdMsgBar.

Friends And Related Function Documentation

Editor

friend class Editor

friend

Member Data Documentation

buffName

std::string teditor::Buffer::buffName

protected

cu

Point teditor::Buffer::cu

protected

cursor

dirName

std::string teditor::Buffer::dirName

protected

disableStack

bool teditor::Buffer::disableStack

protected

whether to disable undo/redo stack for this buffer

fileName

std::string teditor::Buffer::fileName

protected

lines

std::vector<Line> teditor::Buffer::lines

protected

longestX

int teditor::Buffer::longestX

protected

cursor's longest 'x' location

mode

ModePtr teditor::Buffer::mode

protected

modified

bool teditor::Buffer::modified

protected

readOnly

bool teditor::Buffer::readOnly

protected

redoStack

OpStack teditor::Buffer::redoStack

protected

stack of operations for redo

region

Point teditor::Buffer::region

protected

start of a region

startLine

int teditor::Buffer::startLine

protected

tmpFileName

std::string teditor::Buffer::tmpFileName

protected

undoStack

OpStack teditor::Buffer::undoStack

protected

stack of operations for undo

---

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

• buffer.h
• buffer.cpp