Package com.intellij.openapi.editor.ex.util

Class SegmentArrayWithData

java.lang.Object

com.intellij.openapi.editor.ex.util.SegmentArray

com.intellij.openapi.editor.ex.util.SegmentArrayWithData

public class SegmentArrayWithData
extends SegmentArray

Expands SegmentArray contract in providing ability to attach additional data to target segment, i.e. holds mappings like 'index <-> (data, (start; end))'.

Not thread-safe.

Field Summary

Fields inherited from class com.intellij.openapi.editor.ex.util.SegmentArray

INITIAL_SIZE, myEnds, mySegmentCount, myStarts

Constructor Summary

Constructors

Constructor and Description
SegmentArrayWithData(DataStorage storage)

Method Summary

Modifier and Type	Method and Description
SegmentArrayWithData	copy()
DataStorage	createStorage()
int	getSegmentData(int index)
void	insert(SegmentArrayWithData segmentArray, int startIndex)
int	packData(IElementType tokenType, int state, boolean isRestartableState) Packs tokenType and lexer state in data
protected static int []	reallocateArray(int [] array, int index)
void	remove(int startIndex, int endIndex)
void	replace(int startIndex, int endIndex, SegmentArrayWithData newData)
protected void	replace(int startOffset, SegmentArrayWithData data, int len)
void	setElementAt(int i, int startOffset, int endOffset, int data)
int	unpackStateFromData(int data) Unpacks state from segment data returned by
IElementType	unpackTokenFromData(int data) Unpacks token type from segment data returned by getSegmentData(int)

Methods inherited from class com.intellij.openapi.editor.ex.util.SegmentArray

changeSegmentLength, findSegmentIndex, getLastValidOffset, getSegmentCount, getSegmentEnd, getSegmentStart, insert, insert, noSegmentsAvailable, offsetOutOfRange, remove, removeAll, replace, segmentNotFound, setElementAt, shiftSegments

Methods inherited from class java.lang.Object

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

Constructor Detail

SegmentArrayWithData

public SegmentArrayWithData(DataStorage storage)

Method Detail

createStorage

public DataStorage createStorage()

setElementAt

public void setElementAt(int i,
                         int startOffset,
                         int endOffset,
                         int data)

remove

public void remove(int startIndex,
                   int endIndex)

Overrides:

remove in class SegmentArray

replace

public void replace(int startIndex,
                    int endIndex,
                    SegmentArrayWithData newData)

replace

protected void replace(int startOffset,
                       SegmentArrayWithData data,
                       int len)

insert

public void insert(SegmentArrayWithData segmentArray,
                   int startIndex)

getSegmentData

public int getSegmentData(int index)

reallocateArray

protected static int [] reallocateArray(int [] array,
                                        int index)

copy

public SegmentArrayWithData copy()

unpackStateFromData

public int unpackStateFromData(int data)

Unpacks state from segment data returned by

Parameters:

data - see getSegmentData(int)

Returns:

lexer state stored in data

unpackTokenFromData

public IElementType unpackTokenFromData(int data)

Unpacks token type from segment data returned by getSegmentData(int)

Parameters:

data - to unpack

Returns:

element type stored in data

Throws:

java.lang.IndexOutOfBoundsException - if encoded IElementType can not be found in IElementType registry

packData

public int packData(IElementType tokenType,
                    int state,
                    boolean isRestartableState)

Packs tokenType and lexer state in data

Parameters:

tokenType - lexer current token type

state - lexer current state

isRestartableState - true if state is restartable

Returns:

packed lexer state and tokenType in data