Package org.jline.builtins

Class Less

java.lang.Object

org.jline.builtins.Less

public class Less
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	Less.InterruptibleInputStream
private class	Less.LineEditor
protected static class	Less.Operation
(package private) static class	Less.Pair<U,V>
private class	Less.SavedSourcePositions

Field Summary

Fields

Modifier and Type	Field	Description
protected BindingReader	bindingReader
protected java.lang.StringBuilder	buffer
boolean	chopLongLines
protected java.nio.file.Path	currentDir
protected Display	display
protected java.lang.String	displayPattern
protected java.lang.String	errorMessage
private static int	ESCAPE
protected int	firstColumnToDisplay
protected int	firstLineInMemory
protected int	firstLineToDisplay
protected int	halfWindow
private boolean	highlight
private java.lang.String	historyLog
boolean	ignoreCaseAlways
boolean	ignoreCaseCond
protected KeyMap<Less.Operation>	keys
protected java.util.List<AttributedString>	lines
protected java.lang.String	message
private static java.lang.String	MESSAGE_FILE_INFO
private boolean	nanorcIgnoreErrors
protected int	nbEof
boolean	noInit
boolean	noKeypad
protected int	offsetInLine
protected java.util.Map<java.lang.String,Less.Operation>	options
protected java.lang.String	pattern
protected Nano.PatternHistory	patternHistory
boolean	printLineNumbers
boolean	quiet
boolean	quitAtFirstEof
boolean	quitAtSecondEof
boolean	quitIfOneScreen
protected java.io.BufferedReader	reader
protected Size	size
protected int	sourceIdx
protected java.util.List<Source>	sources
private java.util.List<java.nio.file.Path>	syntaxFiles
(package private) Nano.SyntaxHighlighter	syntaxHighlighter
protected java.lang.String	syntaxName
protected java.util.List<java.lang.Integer>	tabs
protected Terminal	terminal
boolean	veryQuiet
protected int	window

Constructor Summary

Constructors

Constructor	Description
Less(Terminal terminal, java.nio.file.Path currentDir)
Less(Terminal terminal, java.nio.file.Path currentDir, Options opts)
Less(Terminal terminal, java.nio.file.Path currentDir, Options opts, ConfigurationPath configPath)

Method Summary

Modifier and Type	Method	Description
private void	addFile()
private void	addSource(java.lang.String file)
private void	bindKeys(KeyMap<Less.Operation> map)
private void	bof()
static void	checkInterrupted()	This is for long running commands to be interrupted by ctrl-c
(package private) boolean	display(boolean oneScreen)
(package private) boolean	display(boolean oneScreen, java.lang.Integer curPos)
private void	doTabs(java.lang.String val)
private void	eof()
(package private) AttributedString	getLine(int line)
private java.util.regex.Pattern	getPattern()
private java.util.regex.Pattern	getPattern(boolean doDisplayPattern)
(package private) int	getStrictPositiveNumberInBuffer(int def)
void	handle(Terminal.Signal signal)
private void	help()
(package private) void	moveBackward(int lines)
(package private) void	moveForward(int lines)
(package private) void	moveTo(int lineNum)
private void	moveToMatch(boolean forward, boolean spanFiles)
private void	moveToNextMatch()
private void	moveToNextMatch(boolean spanFiles)
private void	moveToPreviousMatch()
private void	moveToPreviousMatch(boolean spanFiles)
private Less.Pair<java.lang.Integer,AttributedString>	nextLine2display(int line, java.util.regex.Pattern dpCompiled)
protected void	openSource()
private void	parseConfig(java.nio.file.Path file)
private Less.Pair<java.lang.Integer,AttributedString>	prevLine2display(int line, java.util.regex.Pattern dpCompiled)
private java.lang.String	printable(java.lang.String s)
void	run(java.util.List<Source> sources)
void	run(Source... sources)
private boolean	search()
Less	tabs(java.util.List<java.lang.Integer> tabs)
private boolean	toBeDisplayed(AttributedString curLine, java.util.regex.Pattern dpCompiled)
static java.lang.String[]	usage()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ESCAPE

private static final int ESCAPE

See Also:

Constant Field Values

MESSAGE_FILE_INFO

private static final java.lang.String MESSAGE_FILE_INFO

See Also:

Constant Field Values

quitAtSecondEof

public boolean quitAtSecondEof

quitAtFirstEof

public boolean quitAtFirstEof

quitIfOneScreen

public boolean quitIfOneScreen

printLineNumbers

public boolean printLineNumbers

quiet

public boolean quiet

veryQuiet

public boolean veryQuiet

chopLongLines

public boolean chopLongLines

ignoreCaseCond

public boolean ignoreCaseCond

ignoreCaseAlways

public boolean ignoreCaseAlways

noKeypad

public boolean noKeypad

noInit

public boolean noInit

tabs

protected java.util.List<java.lang.Integer> tabs

syntaxName

protected java.lang.String syntaxName

historyLog

private java.lang.String historyLog

terminal

protected final Terminal terminal

display

protected final Display display

bindingReader

protected final BindingReader bindingReader

currentDir

protected final java.nio.file.Path currentDir

sources

protected java.util.List<Source> sources

sourceIdx

protected int sourceIdx

reader

protected java.io.BufferedReader reader

keys

protected KeyMap<Less.Operation> keys

firstLineInMemory

protected int firstLineInMemory

lines

protected java.util.List<AttributedString> lines

firstLineToDisplay

protected int firstLineToDisplay

firstColumnToDisplay

protected int firstColumnToDisplay

offsetInLine

protected int offsetInLine

message

protected java.lang.String message

errorMessage

protected java.lang.String errorMessage

buffer

protected final java.lang.StringBuilder buffer

options

protected final java.util.Map<java.lang.String,Less.Operation> options

window

protected int window

halfWindow

protected int halfWindow

nbEof

protected int nbEof

patternHistory

protected Nano.PatternHistory patternHistory

pattern

protected java.lang.String pattern

displayPattern

protected java.lang.String displayPattern

size

protected final Size size

syntaxHighlighter

Nano.SyntaxHighlighter syntaxHighlighter

syntaxFiles

private final java.util.List<java.nio.file.Path> syntaxFiles

highlight

private boolean highlight

nanorcIgnoreErrors

private boolean nanorcIgnoreErrors

Constructor Detail

Less

public Less(Terminal terminal,
            java.nio.file.Path currentDir)

Less

public Less(Terminal terminal,
            java.nio.file.Path currentDir,
            Options opts)

Less

public Less(Terminal terminal,
            java.nio.file.Path currentDir,
            Options opts,
            ConfigurationPath configPath)

Method Detail

usage

public static java.lang.String[] usage()

parseConfig

private void parseConfig(java.nio.file.Path file)
                  throws java.io.IOException

Throws:

java.io.IOException

doTabs

private void doTabs(java.lang.String val)

tabs

public Less tabs(java.util.List<java.lang.Integer> tabs)

handle

public void handle(Terminal.Signal signal)

run

public void run(Source... sources)
         throws java.io.IOException,
                java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

run

public void run(java.util.List<Source> sources)
         throws java.io.IOException,
                java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

moveToMatch

private void moveToMatch(boolean forward,
                         boolean spanFiles)
                  throws java.io.IOException

Throws:

java.io.IOException

addSource

private void addSource(java.lang.String file)
                throws java.io.IOException

Throws:

java.io.IOException

addFile

private void addFile()
              throws java.io.IOException,
                     java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

search

private boolean search()
                throws java.io.IOException,
                       java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

help

private void help()
           throws java.io.IOException

Throws:

java.io.IOException

openSource

protected void openSource()
                   throws java.io.IOException

Throws:

java.io.IOException

moveTo

void moveTo(int lineNum)
     throws java.io.IOException

Throws:

java.io.IOException

moveToNextMatch

private void moveToNextMatch()
                      throws java.io.IOException

Throws:

java.io.IOException

moveToNextMatch

private void moveToNextMatch(boolean spanFiles)
                      throws java.io.IOException

Throws:

java.io.IOException

moveToPreviousMatch

private void moveToPreviousMatch()
                          throws java.io.IOException

Throws:

java.io.IOException

moveToPreviousMatch

private void moveToPreviousMatch(boolean spanFiles)
                          throws java.io.IOException

Throws:

java.io.IOException

printable

private java.lang.String printable(java.lang.String s)

moveForward

void moveForward(int lines)
          throws java.io.IOException

Throws:

java.io.IOException

moveBackward

void moveBackward(int lines)
           throws java.io.IOException

Throws:

java.io.IOException

eof

private void eof()

bof

private void bof()

getStrictPositiveNumberInBuffer

int getStrictPositiveNumberInBuffer(int def)

nextLine2display

private Less.Pair<java.lang.Integer,AttributedString> nextLine2display(int line,
                                                                             java.util.regex.Pattern dpCompiled)
                                                                      throws java.io.IOException

Throws:

java.io.IOException

prevLine2display

private Less.Pair<java.lang.Integer,AttributedString> prevLine2display(int line,
                                                                             java.util.regex.Pattern dpCompiled)
                                                                      throws java.io.IOException

Throws:

java.io.IOException

toBeDisplayed

private boolean toBeDisplayed(AttributedString curLine,
                              java.util.regex.Pattern dpCompiled)

display

boolean display(boolean oneScreen)
         throws java.io.IOException

Throws:

java.io.IOException

display

boolean display(boolean oneScreen,
                java.lang.Integer curPos)
         throws java.io.IOException

Throws:

java.io.IOException

getPattern

private java.util.regex.Pattern getPattern()

getPattern

private java.util.regex.Pattern getPattern(boolean doDisplayPattern)

getLine

AttributedString getLine(int line)
                  throws java.io.IOException

Throws:

java.io.IOException

checkInterrupted

public static void checkInterrupted()
                             throws java.lang.InterruptedException

This is for long running commands to be interrupted by ctrl-c

Throws:

java.lang.InterruptedException - if the thread has been interruped

bindKeys

private void bindKeys(KeyMap<Less.Operation> map)